FELIX-4888 : ServletHandler's are not sorted by longest matching path. Finish error page registry. Start DTO handling (WiP)

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1679975 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/dispatch/Dispatcher.java b/http/base/src/main/java/org/apache/felix/http/base/internal/dispatch/Dispatcher.java
index e533580..d37d7dd 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/dispatch/Dispatcher.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/dispatch/Dispatcher.java
@@ -51,10 +51,10 @@
 import javax.servlet.http.HttpSession;
 
 import org.apache.felix.http.base.internal.context.ExtServletContext;
+import org.apache.felix.http.base.internal.handler.FilterHandler;
 import org.apache.felix.http.base.internal.handler.HandlerRegistry;
 import org.apache.felix.http.base.internal.handler.HttpSessionWrapper;
-import org.apache.felix.http.base.internal.handler.holder.FilterHolder;
-import org.apache.felix.http.base.internal.handler.holder.ServletHolder;
+import org.apache.felix.http.base.internal.handler.ServletHandler;
 import org.apache.felix.http.base.internal.registry.PathResolution;
 import org.apache.felix.http.base.internal.registry.ServletResolution;
 import org.apache.felix.http.base.internal.util.UriUtils;
@@ -138,14 +138,14 @@
         private final String servletName;
 
         public ServletResponseWrapper(final HttpServletRequest req, final HttpServletResponse res,
-                final ServletHolder servletHolder)
+                final ServletHandler servletHandler)
         {
             super(res);
             this.request = req;
-            if ( servletHolder != null )
+            if ( servletHandler != null )
             {
-                this.serviceId = servletHolder.getContextServiceId();
-                this.servletName = servletHolder.getName();
+                this.serviceId = servletHandler.getContextServiceId();
+                this.servletName = servletHandler.getName();
             }
             else
             {
@@ -201,10 +201,10 @@
 
                             final RequestInfo requestInfo = new RequestInfo(servletPath, pathInfo, queryString);
 
-                            final FilterHolder[] filterHolders = handlerRegistry.getFilters(errorResolution, DispatcherType.ERROR, request.getRequestURI());
+                            final FilterHandler[] filterHandlers = handlerRegistry.getFilters(errorResolution, DispatcherType.ERROR, request.getRequestURI());
 
                             // TODO - is async = false correct?
-                            invokeChain(errorResolution.holder, filterHolders, new ServletRequestWrapper(request, errorResolution.holder.getContext(), requestInfo, this.serviceId, false), this);
+                            invokeChain(errorResolution.holder, filterHandlers, new ServletRequestWrapper(request, errorResolution.holder.getContext(), requestInfo, this.serviceId, false), this);
 
                             invokeSuper = false;
                         }
@@ -607,7 +607,7 @@
         final HttpServletRequest wrappedRequest = new ServletRequestWrapper(req, servletContext, requestInfo,
                 pr.holder.getContextServiceId(),
                 pr.holder.getServletInfo().isAsyncSupported());
-        final FilterHolder[] filterHolders = this.handlerRegistry.getFilters(pr, req.getDispatcherType(), pr.requestURI);
+        final FilterHandler[] filterHandlers = this.handlerRegistry.getFilters(pr, req.getDispatcherType(), pr.requestURI);
 
         try
         {
@@ -615,7 +615,7 @@
             {
                 servletContext.getServletRequestListener().requestInitialized(new ServletRequestEvent(servletContext, wrappedRequest));
             }
-            invokeChain(pr.holder, filterHolders, wrappedRequest, wrappedResponse);
+            invokeChain(pr.holder, filterHandlers, wrappedRequest, wrappedResponse);
         }
         catch ( final Exception e)
         {
@@ -681,9 +681,9 @@
     void forward(final ServletResolution resolution, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
     {
         String requestURI = getRequestURI(request);
-        FilterHolder[] filterHolders = this.handlerRegistry.getFilters(resolution, DispatcherType.FORWARD, requestURI);
+        FilterHandler[] filterHandlers = this.handlerRegistry.getFilters(resolution, DispatcherType.FORWARD, requestURI);
 
-        invokeChain(resolution.holder, filterHolders, request, response);
+        invokeChain(resolution.holder, filterHandlers, request, response);
     }
 
     /**
@@ -694,9 +694,9 @@
     void include(final ServletResolution resolution, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
     {
         String requestURI = getRequestURI(request);
-        FilterHolder[] filterHolders = this.handlerRegistry.getFilters(resolution, DispatcherType.INCLUDE, requestURI);
+        FilterHandler[] filterHandlers = this.handlerRegistry.getFilters(resolution, DispatcherType.INCLUDE, requestURI);
 
-        invokeChain(resolution.holder, filterHolders, request, response);
+        invokeChain(resolution.holder, filterHandlers, request, response);
     }
 
     private String getRequestURI(HttpServletRequest req)
@@ -704,13 +704,13 @@
         return UriUtils.relativePath(req.getContextPath(), req.getRequestURI());
     }
 
-    private void invokeChain(final ServletHolder servletHolder,
-            final FilterHolder[] filterHolders,
+    private void invokeChain(final ServletHandler servletHandler,
+            final FilterHandler[] filterHandlers,
             final HttpServletRequest request,
             final HttpServletResponse response)
     throws IOException, ServletException
     {
-        final FilterChain filterChain = new InvocationChain(servletHolder, filterHolders);
+        final FilterChain filterChain = new InvocationChain(servletHandler, filterHandlers);
         filterChain.doFilter(request, response);
     }
 }
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/dispatch/InvocationChain.java b/http/base/src/main/java/org/apache/felix/http/base/internal/dispatch/InvocationChain.java
index 991b276..eda9509 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/dispatch/InvocationChain.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/dispatch/InvocationChain.java
@@ -29,20 +29,20 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
-import org.apache.felix.http.base.internal.handler.holder.FilterHolder;
-import org.apache.felix.http.base.internal.handler.holder.ServletHolder;
+import org.apache.felix.http.base.internal.handler.FilterHandler;
+import org.apache.felix.http.base.internal.handler.ServletHandler;
 
 public class InvocationChain implements FilterChain
 {
-    private final ServletHolder servletHolder;
-    private final FilterHolder[] filterHolders;
+    private final ServletHandler servletHandler;
+    private final FilterHandler[] filterHandlers;
 
     private int index = -1;
 
-    public InvocationChain(@Nonnull final ServletHolder servletHolder, @Nonnull final FilterHolder[] filterHolders)
+    public InvocationChain(@Nonnull final ServletHandler servletHandler, @Nonnull final FilterHandler[] filterHandlers)
     {
-        this.filterHolders = filterHolders;
-        this.servletHolder = servletHolder;
+        this.filterHandlers = filterHandlers;
+        this.servletHandler = servletHandler;
     }
 
     @Override
@@ -54,7 +54,7 @@
             final HttpServletResponse hRes = (HttpServletResponse) res;
 
             // invoke security
-            if ( !servletHolder.getContext().handleSecurity(hReq, hRes))
+            if ( !servletHandler.getContext().handleSecurity(hReq, hRes))
             {
                 // FELIX-3988: If the response is not yet committed and still has the default
                 // status, we're going to override this and send an error instead.
@@ -69,14 +69,14 @@
         }
         this.index++;
 
-        if (this.index < this.filterHolders.length)
+        if (this.index < this.filterHandlers.length)
         {
-            this.filterHolders[this.index].handle(req, res, this);
+            this.filterHandlers[this.index].handle(req, res, this);
         }
         else
         {
             // Last entry in the chain...
-            this.servletHolder.handle(req, res);
+            this.servletHandler.handle(req, res);
         }
     }
 }
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/AbstractHandler.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/AbstractHandler.java
deleted file mode 100644
index ccef7a0..0000000
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/AbstractHandler.java
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.felix.http.base.internal.handler;
-
-import java.util.Map;
-import java.util.regex.Pattern;
-
-import javax.servlet.Filter;
-import javax.servlet.Servlet;
-import javax.servlet.ServletException;
-
-import org.apache.felix.http.base.internal.context.ExtServletContext;
-
-public abstract class AbstractHandler<T extends AbstractHandler<?>> implements Comparable<T>
-{
-    private final String name;
-    private final ExtServletContext context;
-    private final Map<String, String> initParams;
-
-    public AbstractHandler(final ExtServletContext context,
-            final Map<String, String> initParams,
-            final String name)
-    {
-        this.context = context;
-        this.name = name;
-        this.initParams = initParams;
-    }
-
-    public final Map<String, String> getInitParams()
-    {
-        return this.initParams;
-    }
-
-    public final String getName()
-    {
-        String name = this.name;
-        if (name == null)
-        {
-            name = getSubject().getClass().getName();
-        }
-        return name;
-    }
-
-    public ExtServletContext getContext()
-    {
-        return this.context;
-    }
-
-    public abstract void init() throws ServletException;
-
-    public abstract void destroy();
-
-    /**
-     * @return the {@link Servlet} or {@link Filter} this handler handles.
-     */
-    protected abstract Object getSubject();
-
-    protected abstract long getServiceId();
-
-    public abstract Pattern[] getPatterns();
-}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/FilterHandler.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/FilterHandler.java
index a8eb611..138a8d0 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/FilterHandler.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/FilterHandler.java
@@ -21,6 +21,7 @@
 import java.util.List;
 import java.util.regex.Pattern;
 
+import javax.annotation.Nonnull;
 import javax.servlet.Filter;
 import javax.servlet.FilterChain;
 import javax.servlet.ServletException;
@@ -28,23 +29,35 @@
 import javax.servlet.ServletResponse;
 
 import org.apache.felix.http.base.internal.context.ExtServletContext;
+import org.apache.felix.http.base.internal.logger.SystemLogger;
 import org.apache.felix.http.base.internal.runtime.FilterInfo;
-import org.apache.felix.http.base.internal.runtime.ServletContextHelperInfo;
 import org.apache.felix.http.base.internal.runtime.dto.FilterRuntime;
 import org.apache.felix.http.base.internal.util.PatternUtil;
+import org.osgi.service.http.runtime.dto.DTOConstants;
 
-public final class FilterHandler extends AbstractHandler<FilterHandler> implements FilterRuntime
+/**
+ * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
+ */
+public class FilterHandler implements Comparable<FilterHandler>, FilterRuntime
 {
-    private final Filter filter;
-    private final FilterInfo filterInfo;
-    private final Pattern[] patterns;
-
     private final long contextServiceId;
 
-    public FilterHandler(final ServletContextHelperInfo contextInfo, ExtServletContext context, Filter filter, FilterInfo filterInfo)
+    private final FilterInfo filterInfo;
+
+    private final ExtServletContext context;
+
+    private volatile Filter filter;
+
+    protected volatile int useCount;
+
+    private final Pattern[] patterns;
+
+    public FilterHandler(final long contextServiceId,
+            final ExtServletContext context,
+            final FilterInfo filterInfo)
     {
-        super(context, filterInfo.getInitParameters(), filterInfo.getName());
-        this.filter = filter;
+        this.contextServiceId = contextServiceId;
+        this.context = context;
         this.filterInfo = filterInfo;
         // Compose a single array of all patterns & regexs the filter must represent...
         String[] patterns = getFilterPatterns(filterInfo);
@@ -54,59 +67,6 @@
         {
             this.patterns[i] = Pattern.compile(patterns[i]);
         }
-        if ( contextInfo != null )
-        {
-            this.contextServiceId = contextInfo.getServiceId();
-        }
-        else
-        {
-            this.contextServiceId = 0;
-        }
-    }
-
-    @Override
-    public int compareTo(FilterHandler other)
-    {
-        return this.filterInfo.compareTo(other.filterInfo);
-    }
-
-    @Override
-    public void destroy()
-    {
-        this.filter.destroy();
-    }
-
-    public Filter getFilter()
-    {
-        return this.filter;
-    }
-
-    @Override
-    public FilterInfo getFilterInfo()
-    {
-        return this.filterInfo;
-    }
-
-    public int getRanking()
-    {
-        return filterInfo.getRanking();
-    }
-
-    public void handle(ServletRequest req, ServletResponse res, FilterChain chain) throws ServletException, IOException
-    {
-        this.filter.doFilter(req, res, chain);
-    }
-
-    @Override
-    public void init() throws ServletException
-    {
-        this.filter.init(new FilterConfigImpl(getName(), getContext(), getInitParams()));
-    }
-
-    @Override
-    protected Object getSubject()
-    {
-        return this.filter;
     }
 
     private static String[] getFilterPatterns(FilterInfo filterInfo)
@@ -129,20 +89,124 @@
         return result.toArray(new String[result.size()]);
     }
 
-    @Override
     public Pattern[] getPatterns() {
         return this.patterns;
     }
 
     @Override
+    public int compareTo(final FilterHandler other)
+    {
+        return this.filterInfo.compareTo(other.filterInfo);
+    }
+
+    @Override
     public long getContextServiceId()
     {
         return this.contextServiceId;
     }
 
-    @Override
-    protected long getServiceId()
+    public ExtServletContext getContext()
     {
-        return this.filterInfo.getServiceId();
+        return this.context;
+    }
+
+    public Filter getFilter()
+    {
+        return filter;
+    }
+
+    protected void setFilter(final Filter f)
+    {
+        this.filter = f;
+    }
+
+    @Override
+    public FilterInfo getFilterInfo()
+    {
+        return this.filterInfo;
+    }
+
+    public String getName()
+    {
+        String name = this.filterInfo.getName();
+        if (name == null)
+        {
+            name = filter.getClass().getName();
+        }
+        return name;
+    }
+
+    /**
+     * Initialize the object
+     * @return {code -1} on success, a failure reason according to {@link DTOConstants} otherwise.
+     */
+    public int init()
+    {
+        if ( this.useCount > 0 )
+        {
+            this.useCount++;
+            return -1;
+        }
+
+        if (this.filter == null)
+        {
+            return DTOConstants.FAILURE_REASON_SERVICE_NOT_GETTABLE;
+        }
+
+        try
+        {
+            filter.init(new FilterConfigImpl(getName(), getContext(), getFilterInfo().getInitParameters()));
+        }
+        catch (final ServletException e)
+        {
+            SystemLogger.error(this.getFilterInfo().getServiceReference(),
+                    "Error during calling init() on filter " + this.filter,
+                    e);
+            return DTOConstants.FAILURE_REASON_EXCEPTION_ON_INIT;
+        }
+        this.useCount++;
+        return -1;
+    }
+
+    public void handle(@Nonnull final ServletRequest req,
+            @Nonnull final ServletResponse res,
+            @Nonnull final FilterChain chain) throws ServletException, IOException
+    {
+        this.filter.doFilter(req, res, chain);
+    }
+
+    public boolean destroy()
+    {
+        if (this.filter == null)
+        {
+            return false;
+        }
+
+        this.useCount--;
+        if ( this.useCount == 0 )
+        {
+            try
+            {
+                filter.destroy();
+            }
+            catch ( final Exception ignore )
+            {
+                // we ignore this
+                SystemLogger.error(this.getFilterInfo().getServiceReference(),
+                        "Error during calling destroy() on filter " + this.filter,
+                        ignore);
+            }
+
+            filter = null;
+            return true;
+        }
+        return false;
+    }
+
+    public boolean dispose()
+    {
+        // fully destroy the filter
+        this.useCount = 1;
+        return this.destroy();
     }
 }
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/HandlerMapping.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/HandlerMapping.java
deleted file mode 100644
index ee9066f..0000000
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/HandlerMapping.java
+++ /dev/null
@@ -1,339 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.felix.http.base.internal.handler;
-
-import static java.util.Collections.unmodifiableCollection;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-import java.util.SortedMap;
-import java.util.TreeMap;
-import java.util.TreeSet;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-import org.apache.felix.http.base.internal.util.PatternUtil;
-import org.apache.felix.http.base.internal.util.PatternUtil.PatternComparator;
-
-/**
- * Represents a Map-like structure that can map path-patterns to servlet/filter handlers, allowing
- * for easy access to those handlers, based on the match rules defined in section 12.1 of Servlet
- * 3.0 specification.
- * <p>
- * {@link HandlerMapping} instances are immutable.
- *
- * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
- */
-public final class HandlerMapping<V extends AbstractHandler<V>>
-{
-    private final SortedMap<Pattern, Set<V>> exactMap;
-    private final SortedMap<Pattern, Set<V>> wildcardMap;
-    private final Set<V> mappedHandlers;
-
-    /**
-     * Creates a new, empty, {@link HandlerMapping} instance.
-     */
-    public HandlerMapping()
-    {
-        this(Collections.<Pattern, Collection<V>>emptyMap());
-    }
-
-    /**
-     * Creates a new {@link HandlerMapping} instance for the given elements.
-     *
-     * @param mappings the elements to map.
-     */
-    private HandlerMapping(Map<Pattern, Collection<V>> mappings)
-    {
-        this.exactMap = new TreeMap<Pattern, Set<V>>(PatternComparator.INSTANCE);
-        this.wildcardMap = new TreeMap<Pattern, Set<V>>(PatternComparator.INSTANCE);
-        this.mappedHandlers = new TreeSet<V>();
-
-        for (Map.Entry<Pattern, Collection<V>> mapping : mappings.entrySet())
-        {
-            Pattern pattern = mapping.getKey();
-            Collection<V> handlers = mapping.getValue();
-
-            mappedHandlers.addAll(handlers);
-
-            if (PatternUtil.isWildcardPattern(pattern))
-            {
-                Set<V> vs = this.wildcardMap.get(pattern);
-                if (vs == null)
-                {
-                    vs = new TreeSet<V>();
-                    this.wildcardMap.put(pattern, vs);
-                }
-                vs.addAll(handlers);
-            }
-            else
-            {
-                Set<V> vs = this.exactMap.get(pattern);
-                if (vs == null)
-                {
-                    vs = new TreeSet<V>();
-                    this.exactMap.put(pattern, vs);
-                }
-                vs.addAll(handlers);
-            }
-        }
-    }
-
-    /**
-     * Returns a new {@link HandlerMapping} instance with a mapping for the
-     * given handler.
-     *
-     * @param handler the handler to be added to the mapping.
-     * @return a new {@link HandlerMapping} instance with a mapping for the
-     *         given handler.
-     */
-    public HandlerMapping<V> add(V handler)
-    {
-        Map<Pattern, V> mappings = new TreeMap<Pattern, V>(PatternComparator.INSTANCE);
-        for (Pattern pattern : handler.getPatterns())
-        {
-            mappings.put(pattern, handler);
-        }
-        return add(mappings);
-    }
-
-    HandlerMapping<V> add(Map<Pattern, V> mappings)
-    {
-        Map<Pattern, Collection<V>> newMappings = getAllMappings();
-        addMappings(mappings, newMappings);
-        return new HandlerMapping<V>(newMappings);
-    }
-
-    /**
-     * Returns a new {@link HandlerMapping} instance without a mapping for the
-     * given handler.
-     *
-     * @param subject the handled element to be removed from the mapping
-     * @return a new {@link HandlerMapping} instance without a mapping for the
-     *         given handler.
-     */
-    public HandlerMapping<V> remove(V handler)
-    {
-        Map<Pattern, V> mappings = new TreeMap<Pattern, V>(PatternComparator.INSTANCE);
-        for (Pattern pattern : handler.getPatterns())
-        {
-            mappings.put(pattern, handler);
-        }
-        return remove(mappings);
-    }
-
-    HandlerMapping<V> remove(Map<Pattern, V> mappings)
-    {
-        Map<Pattern, Collection<V>> newMappings = getAllMappings();
-        removeMappings(mappings, newMappings);
-        return new HandlerMapping<V>(newMappings);
-    }
-
-    HandlerMapping<V> update(Map<Pattern, V> add, Map<Pattern, V> remove)
-    {
-        Map<Pattern, Collection<V>> newMappings = getAllMappings();
-        removeMappings(remove, newMappings);
-        addMappings(add, newMappings);
-        return new HandlerMapping<V>(newMappings);
-    }
-
-    private void addMappings(Map<Pattern, V> mappings, Map<Pattern, Collection<V>> target)
-    {
-        for (Map.Entry<Pattern, V> mapping : mappings.entrySet())
-        {
-            if (!target.containsKey(mapping.getKey()))
-            {
-                target.put(mapping.getKey(), new TreeSet<V>());
-            }
-            target.get(mapping.getKey()).add(mapping.getValue());
-        }
-    }
-
-    private void removeMappings(Map<Pattern, V> mappings, Map<Pattern, Collection<V>> target)
-    {
-        for (Map.Entry<Pattern, V> mapping : mappings.entrySet())
-        {
-            Collection<V> mappedHandlers = target.get(mapping.getKey());
-            if (mappedHandlers == null)
-            {
-                continue;
-            }
-            mappedHandlers.remove(mapping.getValue());
-            if (mappedHandlers.isEmpty())
-            {
-                target.remove(mapping.getKey());
-            }
-        }
-    }
-
-    private Map<Pattern, Collection<V>> getAllMappings()
-    {
-        Map<Pattern, Collection<V>> newMappings = new TreeMap<Pattern, Collection<V>>(PatternComparator.INSTANCE);
-        newMappings.putAll(exactMap);
-        newMappings.putAll(wildcardMap);
-        return newMappings;
-    }
-
-    /**
-     * Returns all mapped handlers.
-     *
-     * @return the handlers contained in this mapping. The returned
-     *         <code>Collection</code> is unmodifiable and never
-     *         <code>null</code>.
-     */
-    public Collection<V> values()
-    {
-        return unmodifiableCollection(mappedHandlers);
-    }
-
-    /**
-     * Returns whether this mapping contains the specified handler.
-     *
-     * @return <code>true</code> if the handlers contains the specified handler,
-     *         <code>false</code> otherwise
-     */
-    public boolean contains(V handler)
-    {
-        return mappedHandlers.contains(handler);
-    }
-
-    /**
-     * Returns all matching handlers for the given path.
-     *
-     * @param path the path that should match, cannot be <code>null</code>.
-     * @return a {@link Collection} of all matching handlers, never <code>null</code>.
-     */
-    public List<V> getAllMatches(String path)
-    {
-        return getAllMatches(path, false /* firstOnly */);
-    }
-
-    /**
-     * Returns the best matching handler for the given path, according to the rules defined in section 12.1 of Servlet 3.0 specification:
-     * <ul>
-     * <li>find an exact match of the path of the request to the path of the handler. A successful match selects the handler;</li>
-     * <li>recursively try to match the longest path-prefix. This is done by stepping down the path tree a directory at a time, using the
-     *     '/' character as a path separator. The longest match determines the servlet selected;</li>
-     * <li>if the last segment in the URL path contains an extension (e.g. .jsp), the servlet container will try to match a servlet that
-     *     handles requests for the extension. An extension is defined as the part of the last segment after the last '.' character.</li>
-     * </ul>
-     *
-     * @param path the path that should match, cannot be <code>null</code>.
-     * @return the best matching handler for the given path, or <code>null</code> in case no handler matched.
-     */
-    V getBestMatch(String path)
-    {
-        List<V> allMatches = getAllMatches(path, true /* firstOnly */);
-        return allMatches.isEmpty() ? null : allMatches.get(0);
-    }
-
-    /**
-     * Returns the (first) handler identified by the given name.
-     *
-     * @param name the name of the handler to return, can be <code>null</code> in which case this method will return <code>null</code>.
-     * @return the element with the given name, or <code>null</code> if not found, or the given argument was <code>null</code>.
-     */
-    V getByName(String name)
-    {
-        if (name == null)
-        {
-            return null;
-        }
-
-        for (V element : this.mappedHandlers)
-        {
-            if (name.equals(element.getName()))
-            {
-                return element;
-            }
-        }
-
-        return null;
-    }
-
-    /**
-     * Provides information on whether there are elements mapped or not.
-     *
-     * @return <code>false</code> if there is at least one element mapped, <code>true</code> otherwise.
-     */
-    boolean isEmpty()
-    {
-        return this.mappedHandlers.isEmpty();
-    }
-
-    /**
-     * Performs the actual matching, yielding a list of either the first or all matching patterns.
-     *
-     * @param path the path to match, can be <code>null</code> in which case an empty string is
-     *        used;
-     * @param firstOnly <code>true</code> if only the first matching pattern should be returned,
-     *        <code>false</code> if all matching patterns should be returned.
-     * @return a list with matching elements, never <code>null</code>.
-     */
-    private List<V> getAllMatches(String path, boolean firstOnly)
-    {
-        path = (path == null) ? "" : path.trim();
-
-        Set<V> result = new TreeSet<V>();
-        // Look for exact matches only, that is, those patterns without wildcards...
-        for (Entry<Pattern, Set<V>> entry : this.exactMap.entrySet())
-        {
-            Matcher matcher = entry.getKey().matcher(path);
-            // !!! we should always match the *entire* pattern, instead of the longest prefix...
-            if (matcher.matches())
-            {
-                Set<V> vs = entry.getValue();
-                for (V v : vs)
-                {
-                    result.add(v);
-                    if (firstOnly)
-                    {
-                        return new ArrayList<V>(result);
-                    }
-                }
-            }
-        }
-
-        // Try to apply the wildcard patterns...
-        for (Entry<Pattern, Set<V>> entry : this.wildcardMap.entrySet())
-        {
-            Matcher matcher = entry.getKey().matcher(path);
-            if (matcher.find(0))
-            {
-                Set<V> vs = entry.getValue();
-                for (V v : vs)
-                {
-                    result.add(v);
-
-                    if (firstOnly)
-                    {
-                        break;
-                    }
-                }
-            }
-        }
-
-        return new ArrayList<V>(result);
-    }
-}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/HandlerRankingMultimap.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/HandlerRankingMultimap.java
deleted file mode 100644
index 70322cc..0000000
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/HandlerRankingMultimap.java
+++ /dev/null
@@ -1,322 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.felix.http.base.internal.handler;
-
-import static java.util.Arrays.asList;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.PriorityQueue;
-import java.util.Set;
-import java.util.TreeMap;
-import java.util.TreeSet;
-
-
-public final class HandlerRankingMultimap<K>
-{
-    private final Map<ServletHandler, Integer> useCounts = new TreeMap<ServletHandler, Integer>();
-
-    private final Map<K, PriorityQueue<ServletHandler>> handlerMultimap;
-    private final Comparator<ServletHandler> handlerComparator;
-    private final Comparator<K> keyComparator;
-
-    private int size = 0;
-
-    public HandlerRankingMultimap()
-    {
-        this.handlerMultimap = new HashMap<K, PriorityQueue<ServletHandler>>();
-        this.keyComparator = null;
-        this.handlerComparator = null;
-    }
-
-    public HandlerRankingMultimap(Comparator<K> keyComparator)
-    {
-        this(keyComparator, null);
-    }
-
-    public HandlerRankingMultimap(Comparator<K> keyComparator, Comparator<ServletHandler> handlerComparator)
-    {
-        this.keyComparator = keyComparator;
-        this.handlerMultimap = new TreeMap<K, PriorityQueue<ServletHandler>>(keyComparator);
-        this.handlerComparator = handlerComparator;
-    }
-
-    boolean isActive(ServletHandler handler)
-    {
-        return useCounts.containsKey(handler);
-    }
-
-    public Update<K> add(K[] keys, ServletHandler handler)
-    {
-        return add(asList(keys), handler);
-    }
-
-    Update<K> add(Collection<K> keys, ServletHandler handler)
-    {
-        if (handler == null)
-        {
-            throw new NullPointerException("handler must not be null");
-        }
-        Map<K, ServletHandler> activate = createMap();
-        Map<K, ServletHandler> deactivate = createMap();
-        Set<ServletHandler> destroy = new TreeSet<ServletHandler>();
-        for (K key : keys)
-        {
-            PriorityQueue<ServletHandler> queue = getQueue(key);
-
-            if (queue.isEmpty() || compareHandlers(queue.peek(), handler) > 0)
-            {
-                activateEntry(key, handler, activate, null);
-
-                if (!queue.isEmpty())
-                {
-                    ServletHandler currentHead = queue.peek();
-                    deactivateEntry(key, currentHead, deactivate, destroy);
-                }
-            }
-
-            queue.add(handler);
-        }
-
-        size += 1;
-
-        return Update.forAdd(activate, deactivate, destroy);
-    }
-
-    public Update<K> remove(K[] keys, ServletHandler handler)
-    {
-        return remove(asList(keys), handler);
-    }
-
-    Update<K> remove(Collection<K> keys, ServletHandler handler)
-    {
-        Map<K, ServletHandler> activate = createMap();
-        Map<K, ServletHandler> deactivate = createMap();
-        Set<ServletHandler> init = new TreeSet<ServletHandler>();
-        for (K key : keys)
-        {
-            PriorityQueue<ServletHandler> queue = handlerMultimap.get(key);
-            if (queue == null)
-            {
-                throw new IllegalArgumentException("Map does not contain key: " + key);
-            }
-
-            boolean isDeactivate = !queue.isEmpty() && compareHandlers(queue.peek(), handler) == 0;
-            queue.remove(handler);
-
-            if (isDeactivate)
-            {
-                deactivateEntry(key, handler, deactivate, null);
-
-                if (!queue.isEmpty())
-                {
-                    ServletHandler newHead = queue.peek();
-                    activateEntry(key, newHead, activate, init);
-                }
-            }
-
-            if (queue.isEmpty())
-            {
-                handlerMultimap.remove(key);
-            }
-        }
-
-        size -= 1;
-
-        return Update.forRemove(activate, deactivate, init);
-    }
-
-    private PriorityQueue<ServletHandler> getQueue(K key)
-    {
-        PriorityQueue<ServletHandler> queue = handlerMultimap.get(key);
-        if (queue == null)
-        {
-            queue = new PriorityQueue<ServletHandler>(1, handlerComparator);
-            handlerMultimap.put(key, queue);
-        }
-        return queue;
-    }
-
-    private void activateEntry(K key, ServletHandler handler, Map<K, ServletHandler> activate, Set<ServletHandler> init)
-    {
-        activate.put(key, handler);
-        if (incrementUseCount(handler) == 1 && init != null)
-        {
-            init.add(handler);
-        };
-    }
-
-    private void deactivateEntry(K key, ServletHandler handler, Map<K, ServletHandler> deactivate, Set<ServletHandler> destroy)
-    {
-        deactivate.put(key, handler);
-        if (decrementUseCount(handler) == 0 && destroy != null)
-        {
-            destroy.add(handler);
-        }
-    }
-
-    private int incrementUseCount(ServletHandler handler)
-    {
-        Integer currentCount = useCounts.get(handler);
-        Integer newCount = currentCount == null ? 1 : currentCount + 1;
-
-        useCounts.put(handler, newCount);
-
-        return newCount;
-    }
-
-    private int decrementUseCount(ServletHandler handler)
-    {
-        int currentCount = useCounts.get(handler);
-        if (currentCount == 1)
-        {
-            useCounts.remove(handler);
-            return 0;
-        }
-
-        int newCount = currentCount - 1;
-        useCounts.put(handler, newCount);
-        return newCount;
-    }
-
-    public void clear()
-    {
-        handlerMultimap.clear();
-        useCounts.clear();
-    }
-
-    public Collection<ServletHandler> getActiveValues()
-    {
-        TreeSet<ServletHandler> activeValues = new TreeSet<ServletHandler>();
-        for (PriorityQueue<ServletHandler> queue : handlerMultimap.values())
-        {
-            activeValues.add(queue.peek());
-        }
-        return activeValues;
-    }
-
-    public Collection<ServletHandler> getShadowedValues()
-    {
-        TreeSet<ServletHandler> shadowedValues = new TreeSet<ServletHandler>();
-        for (PriorityQueue<ServletHandler> queue : handlerMultimap.values())
-        {
-            ServletHandler head = queue.element();
-            for (ServletHandler value : queue)
-            {
-                if (compareHandlers(value, head) != 0)
-                {
-                    shadowedValues.add(value);
-                }
-            }
-        }
-        return shadowedValues;
-    }
-
-    int size()
-    {
-        return size;
-    }
-
-    private int compareHandlers(ServletHandler one, ServletHandler two)
-    {
-        if (handlerComparator == null)
-        {
-            return one.compareTo(two);
-        }
-        return handlerComparator.compare(one, two);
-    }
-
-    private Map<K,ServletHandler> createMap()
-    {
-        return keyComparator == null ? new HashMap<K, ServletHandler>() : new TreeMap<K, ServletHandler>(keyComparator);
-    }
-
-    public static final class Update<K>
-    {
-        private final Map<K, ServletHandler> activate;
-        private final Map<K, ServletHandler> deactivate;
-        private final Collection<ServletHandler> init;
-        private final Collection<ServletHandler> destroy;
-
-        Update(Map<K, ServletHandler> activate,
-                Map<K, ServletHandler> deactivate,
-                Collection<ServletHandler> init,
-                Collection<ServletHandler> destroy)
-        {
-            this.activate = activate;
-            this.deactivate = deactivate;
-            this.init = init;
-            this.destroy = destroy;
-        }
-
-        private static <K> Update<K> forAdd(Map<K, ServletHandler> activate,
-                Map<K, ServletHandler> deactivate,
-                Collection<ServletHandler> destroy)
-        {
-            // activate contains at most one value, mapped to multiple keys
-            Collection<ServletHandler> init = valueAsCollection(activate);
-            return new Update<K>(activate, deactivate, init, destroy);
-        }
-
-        private static <K> Update<K> forRemove(Map<K, ServletHandler> activate,
-                Map<K, ServletHandler> deactivate,
-                Collection<ServletHandler> init)
-        {
-            // deactivate contains at most one value, mapped to multiple keys
-            Collection<ServletHandler> destroy = valueAsCollection(deactivate);
-            return new Update<K>(activate, deactivate, init, destroy);
-        }
-
-        private static <K> Collection<ServletHandler> valueAsCollection(Map<K, ServletHandler> valueMap)
-        {
-            if (valueMap.isEmpty())
-            {
-                return Collections.emptyList();
-            }
-
-            Collection<ServletHandler> valueSet = new ArrayList<ServletHandler>(1);
-            valueSet.add(valueMap.values().iterator().next());
-            return valueSet;
-        }
-
-        public Map<K, ServletHandler> getActivated()
-        {
-            return activate;
-        }
-
-        public Map<K, ServletHandler> getDeactivated()
-        {
-            return deactivate;
-        }
-
-        public Collection<ServletHandler> getInit()
-        {
-            return init;
-        }
-
-        public Collection<ServletHandler> getDestroy()
-        {
-            return destroy;
-        }
-    }
-}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/HandlerRegistry.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/HandlerRegistry.java
index ac025d2..160d3af 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/HandlerRegistry.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/HandlerRegistry.java
@@ -24,8 +24,6 @@
 import javax.annotation.Nonnull;
 import javax.servlet.DispatcherType;
 
-import org.apache.felix.http.base.internal.handler.holder.FilterHolder;
-import org.apache.felix.http.base.internal.handler.holder.ServletHolder;
 import org.apache.felix.http.base.internal.registry.PathResolution;
 import org.apache.felix.http.base.internal.registry.PerContextHandlerRegistry;
 import org.apache.felix.http.base.internal.registry.ServletResolution;
@@ -44,20 +42,17 @@
  */
 public final class HandlerRegistry
 {
-    private static FilterHolder[] EMPTY_FILTER_HOLDER = new FilterHolder[0];
+    private static FilterHandler[] EMPTY_FILTER_HOLDER = new FilterHandler[0];
 
     /** Current list of context registrations. */
     private volatile List<PerContextHandlerRegistry> registrations = Collections.emptyList();
 
-    private final ServletHandlerRegistry servletRegistry = new ServletHandlerRegistry();
-
     /**
      * Register default context registry for Http Service
      */
     public void init()
     {
         this.add(new PerContextHandlerRegistry());
-        servletRegistry.init();
     }
 
     /**
@@ -74,7 +69,6 @@
 
         }
 
-        servletRegistry.shutdown();
         for(final PerContextHandlerRegistry r : list)
         {
             r.removeAll();
@@ -90,7 +84,6 @@
         synchronized ( this )
         {
             this.add(new PerContextHandlerRegistry(info));
-            this.servletRegistry.add(info);
         }
     }
 
@@ -102,7 +95,6 @@
     {
         synchronized ( this )
         {
-            this.servletRegistry.remove(info);
             final List<PerContextHandlerRegistry> updatedList = new ArrayList<PerContextHandlerRegistry>(this.registrations);
             final Iterator<PerContextHandlerRegistry> i = updatedList.iterator();
             while ( i.hasNext() )
@@ -134,7 +126,7 @@
         }
     }
 
-    public void addFilter(@Nonnull final FilterHolder holder)
+    public void addFilter(@Nonnull final FilterHandler holder)
     {
         final PerContextHandlerRegistry reg = this.getRegistry(holder.getContextServiceId());
         // TODO - check whether we need to handle the null case as well
@@ -194,7 +186,7 @@
         }
         if ( reg != null )
         {
-            final ServletHolder holder = reg.getErrorHandler(code, exception);
+            final ServletHandler holder = reg.getErrorHandler(code, exception);
             if ( holder != null )
             {
                 final ServletResolution res = new ServletResolution();
@@ -207,18 +199,18 @@
         return null;
     }
 
-    public FilterHolder[] getFilters(@Nonnull final ServletResolution pr,
+    public FilterHandler[] getFilters(@Nonnull final ServletResolution pr,
             final DispatcherType dispatcherType,
             @Nonnull String requestURI)
     {
         if ( pr != null && pr.handlerRegistry != null )
         {
-            return pr.handlerRegistry.getFilterHolders(pr.holder, dispatcherType, requestURI);
+            return pr.handlerRegistry.getFilterHandlers(pr.holder, dispatcherType, requestURI);
         }
         return EMPTY_FILTER_HOLDER;
     }
 
-    public void addServlet(final ServletHolder holder)
+    public void addServlet(final ServletHandler holder)
     {
         final PerContextHandlerRegistry reg = this.getRegistry(holder.getContextServiceId());
         // TODO - check whether we need to handle the null case as well
@@ -274,7 +266,7 @@
         final PerContextHandlerRegistry reg = (contextId == null ? null : this.getRegistry(contextId));
         if ( reg != null )
         {
-            final ServletHolder holder = reg.resolveServletByName(name);
+            final ServletHandler holder = reg.resolveServletByName(name);
             if ( holder != null )
             {
                 final ServletResolution resolution = new ServletResolution();
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/HttpServiceFilterHolder.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/HttpServiceFilterHandler.java
similarity index 86%
rename from http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/HttpServiceFilterHolder.java
rename to http/base/src/main/java/org/apache/felix/http/base/internal/handler/HttpServiceFilterHandler.java
index 68b1a38..a2139f3 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/HttpServiceFilterHolder.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/HttpServiceFilterHandler.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.felix.http.base.internal.handler.holder;
+package org.apache.felix.http.base.internal.handler;
 
 import javax.servlet.Filter;
 
@@ -24,9 +24,9 @@
 /**
  * Servlet holder for filters registered through the ext http service.
  */
-public final class HttpServiceFilterHolder extends FilterHolder
+public final class HttpServiceFilterHandler extends FilterHandler
 {
-    public HttpServiceFilterHolder(final long contextServiceId,
+    public HttpServiceFilterHandler(final long contextServiceId,
             final ExtServletContext context,
             final FilterInfo filterInfo,
             final Filter filter)
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/HttpServiceServletHolder.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/HttpServiceServletHandler.java
similarity index 81%
rename from http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/HttpServiceServletHolder.java
rename to http/base/src/main/java/org/apache/felix/http/base/internal/handler/HttpServiceServletHandler.java
index 8c3cdd1..92fce74 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/HttpServiceServletHolder.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/HttpServiceServletHandler.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.felix.http.base.internal.handler.holder;
+package org.apache.felix.http.base.internal.handler;
 
 import javax.servlet.Servlet;
 
@@ -22,11 +22,11 @@
 import org.apache.felix.http.base.internal.runtime.ServletInfo;
 
 /**
- * Servlet holder for servlets registered through the http service.
+ * Servlet handler for servlets registered through the http service.
  */
-public final class HttpServiceServletHolder extends ServletHolder
+public final class HttpServiceServletHandler extends ServletHandler
 {
-    public HttpServiceServletHolder(final long contextServiceId,
+    public HttpServiceServletHandler(final long contextServiceId,
             final ExtServletContext context,
             final ServletInfo servletInfo,
             final Servlet servlet)
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/ResourceServletHandler.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/ResourceServletHandler.java
deleted file mode 100644
index a4c2de4..0000000
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/ResourceServletHandler.java
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.felix.http.base.internal.handler;
-
-import javax.servlet.Servlet;
-import javax.servlet.ServletException;
-
-import org.apache.felix.http.base.internal.context.ExtServletContext;
-import org.apache.felix.http.base.internal.runtime.ServletContextHelperInfo;
-import org.apache.felix.http.base.internal.runtime.ServletInfo;
-import org.apache.felix.http.base.internal.whiteboard.ResourceServlet;
-
-public final class ResourceServletHandler extends ServletHandler
-{
-    private Servlet servlet;
-
-    public ResourceServletHandler(ServletContextHelperInfo contextInfo,
-            ExtServletContext context,
-            ServletInfo servletInfo)
-    {
-        super(contextInfo.getServiceId(), context, checkIsResource(servletInfo, true));
-    }
-
-    @Override
-    public Servlet getServlet()
-    {
-        return servlet;
-    }
-
-    @Override
-    public void init() throws ServletException
-    {
-        if (servlet != null)
-        {
-            return;
-        }
-
-        servlet = new ResourceServlet(getServletInfo().getPrefix());
-        servlet.init(new ServletConfigImpl(getName(), getContext(), getInitParams()));
-    }
-
-    @Override
-    public void destroy()
-    {
-        if (servlet == null)
-        {
-            return;
-        }
-
-        servlet.destroy();
-        servlet = null;
-    }
-}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/ServletHandler.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/ServletHandler.java
index 5d10a1a..9872ec1 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/ServletHandler.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/ServletHandler.java
@@ -17,47 +17,40 @@
 package org.apache.felix.http.base.internal.handler;
 
 import java.io.IOException;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
+import javax.servlet.Servlet;
 import javax.servlet.ServletException;
 import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
 
 import org.apache.felix.http.base.internal.context.ExtServletContext;
+import org.apache.felix.http.base.internal.logger.SystemLogger;
 import org.apache.felix.http.base.internal.runtime.ServletInfo;
 import org.apache.felix.http.base.internal.runtime.dto.ServletRuntime;
-import org.apache.felix.http.base.internal.util.PatternUtil;
+import org.osgi.service.http.runtime.dto.DTOConstants;
 
 /**
  * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
  */
-public abstract class ServletHandler extends AbstractHandler<ServletHandler> implements ServletRuntime
+public abstract class ServletHandler implements Comparable<ServletHandler>, ServletRuntime
 {
-    private final ServletInfo servletInfo;
-    private final Pattern[] patterns;
     private final long contextServiceId;
 
+    private final ServletInfo servletInfo;
+
+    private final ExtServletContext context;
+
+    private volatile Servlet servlet;
+
+    protected volatile int useCount;
+
     public ServletHandler(final long contextServiceId,
             final ExtServletContext context,
             final ServletInfo servletInfo)
     {
-        super(context, servletInfo.getInitParameters(), servletInfo.getName());
-
-        this.servletInfo = servletInfo;
-
-        // Can be null in case of error-handling servlets...
-        String[] patterns = this.servletInfo.getPatterns();
-        final int length = patterns == null ? 0 : patterns.length;
-
-        this.patterns = new Pattern[length];
-        for (int i = 0; i < length; i++)
-        {
-            final String pattern = patterns[i];
-            this.patterns[i] = Pattern.compile(PatternUtil.convertToRegEx(pattern));
-        }
-
         this.contextServiceId = contextServiceId;
+        this.context = context;
+        this.servletInfo = servletInfo;
     }
 
     @Override
@@ -66,35 +59,32 @@
         return this.servletInfo.compareTo(other.servletInfo);
     }
 
-    public void handle(ServletRequest req, ServletResponse res) throws ServletException, IOException
+    @Override
+    public long getContextServiceId()
     {
-        getServlet().service(req, res);
+        return this.contextServiceId;
     }
 
-    public String determineServletPath(String uri)
+    public ExtServletContext getContext()
     {
-        if (uri == null)
-        {
-            uri = "/";
-        }
-
-        // Patterns are sorted on length in descending order, so we should get the longest match first...
-        for (int i = 0; i < this.patterns.length; i++)
-        {
-            Matcher matcher = this.patterns[i].matcher(uri);
-            if (matcher.find(0))
-            {
-                return matcher.groupCount() > 0 ? matcher.group(1) : matcher.group();
-            }
-        }
-
-        return null;
+        return this.context;
     }
 
     @Override
-    public Pattern[] getPatterns()
+    public Servlet getServlet()
     {
-        return this.patterns;
+        return servlet;
+    }
+
+    protected void setServlet(final Servlet s)
+    {
+        this.servlet = s;
+    }
+
+    public void handle(final ServletRequest req, final ServletResponse res)
+            throws ServletException, IOException
+    {
+        this.servlet.service(req, res);
     }
 
     @Override
@@ -103,31 +93,81 @@
         return this.servletInfo;
     }
 
-    @Override
-    public long getContextServiceId()
+    public String getName()
     {
-        return this.contextServiceId;
-    }
-
-    @Override
-    protected long getServiceId()
-    {
-        return this.servletInfo.getServiceId();
-    }
-
-    @Override
-    protected Object getSubject()
-    {
-        return getServlet();
-    }
-
-    protected static ServletInfo checkIsResource(ServletInfo servletInfo, boolean checkTrue)
-    {
-        if (checkTrue != servletInfo.isResource())
+        String name = this.servletInfo.getName();
+        if (name == null)
         {
-            String message = "ServletInfo must " + (checkTrue ? "" : "not") + " represent a resource";
-            throw new IllegalArgumentException(message);
+            name = servlet.getClass().getName();
         }
-        return servletInfo;
+        return name;
+    }
+
+    /**
+     * Initialize the object
+     * @return {code -1} on success, a failure reason according to {@link DTOConstants} otherwise.
+     */
+    public int init()
+    {
+        if ( this.useCount > 0 )
+        {
+            this.useCount++;
+            return -1;
+        }
+
+        if (this.servlet == null)
+        {
+            return DTOConstants.FAILURE_REASON_SERVICE_NOT_GETTABLE;
+        }
+
+        try
+        {
+            servlet.init(new ServletConfigImpl(getName(), getContext(), getServletInfo().getInitParameters()));
+        }
+        catch (final ServletException e)
+        {
+            SystemLogger.error(this.getServletInfo().getServiceReference(),
+                    "Error during calling init() on servlet " + this.servlet,
+                    e);
+            return DTOConstants.FAILURE_REASON_EXCEPTION_ON_INIT;
+        }
+        this.useCount++;
+        return -1;
+    }
+
+
+    public boolean destroy()
+    {
+        if (this.servlet == null)
+        {
+            return false;
+        }
+
+        this.useCount--;
+        if ( this.useCount == 0 )
+        {
+            try
+            {
+                servlet.destroy();
+            }
+            catch ( final Exception ignore )
+            {
+                // we ignore this
+                SystemLogger.error(this.getServletInfo().getServiceReference(),
+                        "Error during calling destroy() on servlet " + this.servlet,
+                        ignore);
+            }
+
+            servlet = null;
+            return true;
+        }
+        return false;
+    }
+
+    public boolean dispose()
+    {
+        // fully destroy the servlet
+        this.useCount = 1;
+        return this.destroy();
     }
 }
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/ServletHandlerRegistry.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/ServletHandlerRegistry.java
deleted file mode 100644
index 200634a..0000000
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/ServletHandlerRegistry.java
+++ /dev/null
@@ -1,532 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.felix.http.base.internal.handler;
-
-import static java.util.Arrays.asList;
-import static org.osgi.service.http.runtime.dto.DTOConstants.FAILURE_REASON_EXCEPTION_ON_INIT;
-import static org.osgi.service.http.runtime.dto.DTOConstants.FAILURE_REASON_SERVICE_IN_USE;
-import static org.osgi.service.http.runtime.dto.DTOConstants.FAILURE_REASON_SERVLET_CONTEXT_FAILURE;
-import static org.osgi.service.http.runtime.dto.DTOConstants.FAILURE_REASON_SHADOWED_BY_OTHER_SERVICE;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.SortedSet;
-import java.util.TreeMap;
-import java.util.TreeSet;
-import java.util.regex.Pattern;
-
-import javax.annotation.Nonnull;
-import javax.servlet.Servlet;
-import javax.servlet.ServletException;
-
-import org.apache.felix.http.base.internal.handler.HandlerRankingMultimap.Update;
-import org.apache.felix.http.base.internal.runtime.ServletContextHelperInfo;
-import org.apache.felix.http.base.internal.runtime.ServletInfo;
-import org.apache.felix.http.base.internal.runtime.dto.FailureRuntime;
-import org.apache.felix.http.base.internal.runtime.dto.ServletRegistryRuntime;
-import org.apache.felix.http.base.internal.runtime.dto.ServletRuntime;
-import org.apache.felix.http.base.internal.util.PatternUtil;
-import org.apache.felix.http.base.internal.util.PatternUtil.PatternComparator;
-import org.apache.felix.http.base.internal.whiteboard.RegistrationFailureException;
-
-final class ServletHandlerRegistry
-{
-    private final HandlerRankingMultimap<String> registeredServletHandlers;
-    private final SortedSet<ServletHandler> allServletHandlers = new TreeSet<ServletHandler>();
-    private final Set<ServletHandler> initFailures = new TreeSet<ServletHandler>();
-
-    private volatile ContextRegistry contextRegistry;
-
-    ServletHandlerRegistry()
-    {
-        this.contextRegistry = new ContextRegistry();
-        this.registeredServletHandlers = new HandlerRankingMultimap<String>(null, new ServletHandlerComparator());
-    }
-
-    /**
-     * Register default context registry for Http Service
-     */
-    synchronized void init()
-    {
-        contextRegistry = contextRegistry.add(0L, new ContextRanking());
-    }
-
-    synchronized void shutdown()
-    {
-        removeAll();
-    }
-
-    synchronized void add(@Nonnull ServletContextHelperInfo info)
-    {
-        contextRegistry = contextRegistry.add(info);
-    }
-
-    synchronized void remove(@Nonnull ServletContextHelperInfo info)
-    {
-        contextRegistry = contextRegistry.remove(info);
-    }
-
-    synchronized void addServlet(final ServletHandler handler) throws RegistrationFailureException
-    {
-        if (this.allServletHandlers.contains(handler))
-        {
-            throw new RegistrationFailureException(handler.getServletInfo(), FAILURE_REASON_SERVICE_IN_USE,
-                "Servlet instance " + handler.getName() + " already registered");
-        }
-
-        registerServlet(handler);
-
-        this.allServletHandlers.add(handler);
-    }
-
-    private void registerServlet(ServletHandler handler) throws RegistrationFailureException
-    {
-        long contextId = handler.getContextServiceId();
-        List<String> patterns = getFullPathsChecked(handler);
-
-        Update<String> update = this.registeredServletHandlers.add(patterns, handler);
-        initFirstHandler(update.getInit());
-        contextRegistry = contextRegistry.updateServletMapping(update.getActivated(), update.getDeactivated(), contextId);
-        destroyHandlers(update.getDestroy());
-    }
-
-    synchronized void removeAll()
-    {
-        Collection<ServletHandler> servletHandlers = this.contextRegistry.getServletHandlers();
-
-        this.contextRegistry = new ContextRegistry();
-
-        destroyHandlers(servletHandlers);
-
-        this.allServletHandlers.clear();
-        this.registeredServletHandlers.clear();
-    }
-
-    synchronized Servlet removeServlet(ServletInfo servletInfo)
-    {
-        return removeServlet(0L, servletInfo, true);
-    }
-
-    synchronized Servlet removeServlet(Long contextId, ServletInfo servletInfo)
-    {
-        return removeServlet(contextId, servletInfo, true);
-    }
-
-    synchronized Servlet removeServlet(Long contextId, ServletInfo servletInfo, final boolean destroy)
-    {
-        ServletHandler handler = getServletHandler(servletInfo);
-        if (handler == null)
-        {
-            return null;
-        }
-
-        Servlet servlet = handler.getServlet();
-
-        removeServlet(handler, destroy);
-
-        if (destroy)
-        {
-            handler.destroy();
-        }
-
-
-        return servlet;
-    }
-
-    private ServletHandler getServletHandler(final ServletInfo servletInfo)
-    {
-        Iterator<ServletHandler> it = this.allServletHandlers.iterator();
-        while (it.hasNext())
-        {
-            ServletHandler handler = it.next();
-            if (handler.getServletInfo().compareTo(servletInfo) == 0)
-            {
-                return handler;
-            }
-        }
-        return null;
-    }
-
-    synchronized void removeServlet(Servlet servlet, final boolean destroy)
-    {
-        Iterator<ServletHandler> it = this.allServletHandlers.iterator();
-        List<ServletHandler> removals = new ArrayList<ServletHandler>();
-        while (it.hasNext())
-        {
-            ServletHandler handler = it.next();
-            if (handler.getServlet() != null && handler.getServlet() == servlet)
-            {
-                removals.add(handler);
-            }
-        }
-
-        for (ServletHandler servletHandler : removals)
-        {
-            removeServlet(0L, servletHandler.getServletInfo(), destroy);
-        }
-    }
-
-    private void removeServlet(ServletHandler handler, boolean destroy)
-    {
-        long contextId = handler.getContextServiceId();
-        List<String> patterns = getFullPaths(handler);
-        Update<String> update = this.registeredServletHandlers.remove(patterns, handler);
-        Set<ServletHandler> initializedHandlers = initHandlers(update.getInit());
-        Map<String, ServletHandler> activated = update.getActivated();
-        activated = removeFailures(activated, initializedHandlers);
-        contextRegistry = contextRegistry.updateServletMapping(activated, update.getDeactivated(), contextId);
-        if (destroy)
-        {
-            destroyHandlers(update.getDestroy());
-        }
-        this.initFailures.remove(handler);
-        this.allServletHandlers.remove(handler);
-    }
-
-    private Map<String, ServletHandler> removeFailures(Map<String, ServletHandler> activated,
-        Set<ServletHandler> initializedHandlers)
-    {
-        if (activated.size() == initializedHandlers.size())
-        {
-            return activated;
-        }
-
-        Map<String, ServletHandler> result = new HashMap<String, ServletHandler>();
-        for (Map.Entry<String, ServletHandler> entry : activated.entrySet())
-        {
-            if (initializedHandlers.contains(entry.getValue()))
-            {
-                result.put(entry.getKey(), entry.getValue());
-            }
-        }
-        return result;
-    }
-
-    private List<String> getFullPathsChecked(ServletHandler handler) throws RegistrationFailureException
-    {
-        String contextPath = contextRegistry.getPath(handler.getContextServiceId());
-        if (contextPath == null)
-        {
-            throw new RegistrationFailureException(handler.getServletInfo(), FAILURE_REASON_SERVLET_CONTEXT_FAILURE);
-        }
-        return getFullPaths(contextPath, handler);
-    }
-
-    private List<String> getFullPaths(ServletHandler handler)
-    {
-        String contextPath = contextRegistry.getPath(handler.getContextServiceId());
-        return getFullPaths(contextPath, handler);
-    }
-
-    private List<String> getFullPaths(String contextPath, ServletHandler handler)
-    {
-        contextPath = contextPath.equals("/") ? "" : contextPath;
-
-        List<String> patterns = new ArrayList<String>(asList(handler.getServletInfo().getPatterns()));
-        for (int i = 0; i < patterns.size(); i++)
-        {
-            patterns.set(i, contextPath + patterns.get(i));
-        }
-        return patterns;
-    }
-
-    private void initFirstHandler(Collection<ServletHandler> handlers) throws RegistrationFailureException
-    {
-        if (handlers.isEmpty())
-        {
-            return;
-        }
-
-        ServletHandler handler = handlers.iterator().next();
-        try
-        {
-            handler.init();
-        }
-        catch (ServletException e)
-        {
-            throw new RegistrationFailureException(handler.getServletInfo(), FAILURE_REASON_EXCEPTION_ON_INIT, e);
-        }
-    }
-
-    private Set<ServletHandler> initHandlers(Collection<ServletHandler> handlers)
-    {
-        Set<ServletHandler> success = new TreeSet<ServletHandler>();
-        List<ServletHandler> failure = new ArrayList<ServletHandler>();
-        for (ServletHandler servletHandler : handlers)
-        {
-            try
-            {
-                servletHandler.init();
-                success.add(servletHandler);
-            }
-            catch (ServletException e)
-            {
-                failure.add(servletHandler);
-            }
-        }
-
-        this.initFailures.addAll(failure);
-
-        return success;
-    }
-
-    private void destroyHandlers(Collection<? extends AbstractHandler<?>> servletHandlers)
-    {
-        for (AbstractHandler<?> handler : servletHandlers)
-        {
-            handler.destroy();
-        }
-    }
-
-    ServletHandler getServletHandler(String requestURI)
-    {
-        return contextRegistry.getServletHandler(requestURI);
-    }
-
-    ServletHandler getServletHandlerByName(final Long contextId, @Nonnull final String name)
-    {
-        HandlerMapping<ServletHandler> servletMapping = contextRegistry.getServletMapping(contextId);
-        return servletMapping != null ? servletMapping.getByName(name) : null;
-    }
-
-    synchronized ServletRegistryRuntime getRuntime(FailureRuntime.Builder failureRuntimeBuilder)
-    {
-        addFailures(failureRuntimeBuilder, this.registeredServletHandlers.getShadowedValues(), FAILURE_REASON_SHADOWED_BY_OTHER_SERVICE);
-        addFailures(failureRuntimeBuilder, this.initFailures, FAILURE_REASON_EXCEPTION_ON_INIT);
-
-        Collection<ServletRuntime> servletRuntimes = new TreeSet<ServletRuntime>(ServletRuntime.COMPARATOR);
-        Collection<ServletRuntime> resourceRuntimes = new TreeSet<ServletRuntime>(ServletRuntime.COMPARATOR);
-        for (ServletHandler activeHandler : this.registeredServletHandlers.getActiveValues())
-        {
-            if (activeHandler.getServletInfo().isResource())
-            {
-                resourceRuntimes.add(activeHandler);
-            }
-            else
-            {
-                servletRuntimes.add(activeHandler);
-            }
-        }
-        return new ServletRegistryRuntime(servletRuntimes, resourceRuntimes);
-    }
-
-    private void addFailures(FailureRuntime.Builder failureRuntimeBuilder, Collection<ServletHandler> handlers, int failureCode)
-    {
-        for (ServletHandler handler : handlers)
-        {
-            failureRuntimeBuilder.add(handler.getServletInfo(), failureCode);
-        }
-    }
-
-    private class ServletHandlerComparator implements Comparator<ServletHandler>
-    {
-        @Override
-        public int compare(ServletHandler o1, ServletHandler o2)
-        {
-            ContextRanking contextRankingOne = contextRegistry.getContextRanking(o1.getContextServiceId());
-            ContextRanking contextRankingTwo = contextRegistry.getContextRanking(o2.getContextServiceId());
-            int contextComparison = contextRankingOne.compareTo(contextRankingTwo);
-            return contextComparison == 0 ? o1.compareTo(o2) : contextComparison;
-        }
-    }
-
-    private static class ContextRegistry
-    {
-        private final Map<Long, ContextRanking> contextRankingsPerId;
-        private final TreeSet<ContextRanking> contextRankings;
-        private final Map<Long, HandlerMapping<ServletHandler>> servletMappingsPerContext;
-
-        ContextRegistry()
-        {
-            this(new HashMap<Long, ContextRanking>(),
-                new TreeSet<ContextRanking>(),
-                new HashMap<Long, HandlerMapping<ServletHandler>>());
-        }
-
-        ContextRegistry(Map<Long, ContextRanking> contextRankingsPerId, TreeSet<ContextRanking> contextRankings, Map<Long, HandlerMapping<ServletHandler>> servletMappingsPerContext)
-        {
-            this.contextRankingsPerId = contextRankingsPerId;
-            this.contextRankings = contextRankings;
-            this.servletMappingsPerContext = servletMappingsPerContext;
-        }
-
-        ContextRanking getContextRanking(long contextServiceId)
-        {
-            return contextRankingsPerId.get(contextServiceId);
-        }
-
-        ServletHandler getServletHandler(String requestURI)
-        {
-            List<Long> contextIds = getContextId(requestURI);
-            for (Long contextId : contextIds)
-            {
-                HandlerMapping<ServletHandler> servletMapping = this.servletMappingsPerContext.get(contextId);
-                if (servletMapping != null)
-                {
-                    ServletHandler bestMatch = servletMapping.getBestMatch(requestURI);
-                    if (bestMatch != null)
-                    {
-                        return bestMatch;
-                    }
-                }
-            }
-            return null;
-        }
-
-        HandlerMapping<ServletHandler> getServletMapping(Long contextId)
-        {
-            return servletMappingsPerContext.get(contextId);
-        }
-
-        ContextRegistry add(long id, ContextRanking contextRanking)
-        {
-            Map<Long, ContextRanking> newContextRankingsPerId = new HashMap<Long, ContextRanking>(contextRankingsPerId);
-            TreeSet<ContextRanking> newContextRankings = new TreeSet<ContextRanking>(contextRankings);
-            Map<Long, HandlerMapping<ServletHandler>> newServletMappingsPerContext = new HashMap<Long, HandlerMapping<ServletHandler>>(servletMappingsPerContext);
-            newContextRankingsPerId.put(id, contextRanking);
-            newContextRankings.add(contextRanking);
-            newServletMappingsPerContext.put(id, new HandlerMapping<ServletHandler>());
-
-            return new ContextRegistry(newContextRankingsPerId, newContextRankings, newServletMappingsPerContext);
-        }
-
-        ContextRegistry add(ServletContextHelperInfo info)
-        {
-            return add(info.getServiceId(), new ContextRanking(info));
-        }
-
-        ContextRegistry remove(ServletContextHelperInfo info)
-        {
-            Map<Long, ContextRanking> newContextRankingsPerId = new HashMap<Long, ContextRanking>(contextRankingsPerId);
-            TreeSet<ContextRanking> newContextRankings = new TreeSet<ContextRanking>(contextRankings);
-            Map<Long, HandlerMapping<ServletHandler>> newServletMappingsPerContext = new HashMap<Long, HandlerMapping<ServletHandler>>(servletMappingsPerContext);
-            newContextRankingsPerId.remove(info.getServiceId());
-            newContextRankings.remove(new ContextRanking(info));
-            newServletMappingsPerContext.remove(info.getServiceId());
-
-            return new ContextRegistry(newContextRankingsPerId, newContextRankings, newServletMappingsPerContext);
-        }
-
-        String getPath(long contextId)
-        {
-            return contextRankingsPerId.get(contextId).path;
-        }
-
-        private List<Long> getContextId(String path)
-        {
-            List<Long> ids = new ArrayList<Long>();
-            for (ContextRanking contextRanking : contextRankings)
-            {
-                if (contextRanking.isMatching(path))
-                {
-                    ids.add(contextRanking.serviceId);
-                }
-            }
-            return ids;
-        }
-
-        ContextRegistry updateServletMapping(Map<String, ServletHandler> activated, Map<String, ServletHandler> deactivated, long contextId)
-        {
-            Map<Long, HandlerMapping<ServletHandler>> newServletMappingsPerContext = new HashMap<Long, HandlerMapping<ServletHandler>>(servletMappingsPerContext);
-            HandlerMapping<ServletHandler> servletMapping = newServletMappingsPerContext.get(contextId);
-            if (servletMapping == null)
-            {
-                servletMapping = new HandlerMapping<ServletHandler>();
-            }
-            newServletMappingsPerContext.put(contextId, servletMapping.update(convert(activated), convert(deactivated)));
-            return new ContextRegistry(contextRankingsPerId, contextRankings, newServletMappingsPerContext);
-        }
-
-        private Map<Pattern, ServletHandler> convert(Map<String, ServletHandler> mapping)
-        {
-            TreeMap<Pattern, ServletHandler> converted = new TreeMap<Pattern, ServletHandler>(PatternComparator.INSTANCE);
-            for (Map.Entry<String, ServletHandler> entry : mapping.entrySet())
-            {
-                Pattern pattern = Pattern.compile(PatternUtil.convertToRegEx(entry.getKey()));
-                converted.put(pattern, entry.getValue());
-            }
-            return converted;
-        }
-
-        Collection<ServletHandler> getServletHandlers()
-        {
-            Collection<ServletHandler> servletHandlers = new ArrayList<ServletHandler>();
-            for (HandlerMapping<ServletHandler> servletMapping : this.servletMappingsPerContext.values())
-            {
-                servletHandlers.addAll(servletMapping.values());
-            }
-
-            return servletHandlers;
-        }
-    }
-
-    // TODO combine with PerContextHandlerRegistry
-    private static class ContextRanking implements Comparable<ContextRanking>
-    {
-        private final long serviceId;
-        private final int ranking;
-        private final String path;
-
-        ContextRanking()
-        {
-            this.serviceId = 0;
-            this.ranking = Integer.MAX_VALUE;
-            this.path = "/";
-        }
-
-        ContextRanking(ServletContextHelperInfo info)
-        {
-            this.serviceId = info.getServiceId();
-            this.ranking = info.getRanking();
-            this.path = info.getPath();
-        }
-
-        @Override
-        public int compareTo(ContextRanking other)
-        {
-            // the context of the HttpService is the least element
-            if (this.serviceId == 0 ^ other.serviceId == 0)
-            {
-                return this.serviceId == 0 ? -1 : 1;
-            }
-
-            final int result = Integer.compare(other.path.length(), this.path.length());
-            if ( result == 0 ) {
-                if (this.ranking == other.ranking)
-                {
-                    // Service id's can be negative. Negative id's follow the reverse natural ordering of integers.
-                    int reverseOrder = ( this.serviceId <= 0 && other.serviceId <= 0 ) ? -1 : 1;
-                    return reverseOrder * Long.compare(this.serviceId, other.serviceId);
-                }
-
-                return Integer.compare(other.ranking, this.ranking);
-            }
-            return result;
-        }
-
-        boolean isMatching(final String requestURI)
-        {
-            return "".equals(path) || "/".equals(path) || requestURI.startsWith(path);
-        }
-    }
-}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/SimpleServletHandler.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/SimpleServletHandler.java
deleted file mode 100644
index fe1d962..0000000
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/SimpleServletHandler.java
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.felix.http.base.internal.handler;
-
-import javax.servlet.Servlet;
-import javax.servlet.ServletException;
-
-import org.apache.felix.http.base.internal.context.ExtServletContext;
-import org.apache.felix.http.base.internal.runtime.ServletInfo;
-
-public final class SimpleServletHandler extends ServletHandler
-{
-    private final Servlet servlet;
-
-    public SimpleServletHandler(ExtServletContext context,
-            ServletInfo servletInfo,
-            Servlet servlet)
-    {
-        this(0, context, servletInfo, servlet);
-    }
-
-    public SimpleServletHandler(long contextServiceId,
-            ExtServletContext context,
-            ServletInfo servletInfo,
-            Servlet servlet)
-    {
-        super(contextServiceId, context, servletInfo);
-        this.servlet = servlet;
-    }
-
-    @Override
-    public Servlet getServlet()
-    {
-        return servlet;
-    }
-
-    @Override
-    public void init() throws ServletException
-    {
-        servlet.init(new ServletConfigImpl(getName(), getContext(), getInitParams()));
-    }
-
-    @Override
-    public void destroy()
-    {
-        servlet.destroy();
-    }
-
-    @Override
-    protected Object getSubject()
-    {
-        return servlet;
-    }
-}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/WhiteboardFilterHolder.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/WhiteboardFilterHandler.java
similarity index 92%
rename from http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/WhiteboardFilterHolder.java
rename to http/base/src/main/java/org/apache/felix/http/base/internal/handler/WhiteboardFilterHandler.java
index cc794c8..698cbf4 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/WhiteboardFilterHolder.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/WhiteboardFilterHandler.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.felix.http.base.internal.handler.holder;
+package org.apache.felix.http.base.internal.handler;
 
 import javax.servlet.Filter;
 
@@ -27,11 +27,11 @@
 /**
  * Filter holder for filters registered through the http whiteboard.
  */
-public final class WhiteboardFilterHolder extends FilterHolder
+public final class WhiteboardFilterHandler extends FilterHandler
 {
     private final BundleContext bundleContext;
 
-    public WhiteboardFilterHolder(final long contextServiceId,
+    public WhiteboardFilterHandler(final long contextServiceId,
             final ExtServletContext context,
             final FilterInfo filterInfo,
             final BundleContext bundleContext)
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/WhiteboardServletHandler.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/WhiteboardServletHandler.java
index 920f7b7..25d8792 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/WhiteboardServletHandler.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/WhiteboardServletHandler.java
@@ -17,85 +17,69 @@
 package org.apache.felix.http.base.internal.handler;
 
 import javax.servlet.Servlet;
-import javax.servlet.ServletException;
 
 import org.apache.felix.http.base.internal.context.ExtServletContext;
-import org.apache.felix.http.base.internal.runtime.ServletContextHelperInfo;
 import org.apache.felix.http.base.internal.runtime.ServletInfo;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.ServiceObjects;
 import org.osgi.framework.ServiceReference;
 
+/**
+ * Servlet handler for servlets registered through the http whiteboard.
+ */
 public final class WhiteboardServletHandler extends ServletHandler
 {
     private final BundleContext bundleContext;
 
-    private Servlet servlet;
-
-    public WhiteboardServletHandler(ServletContextHelperInfo contextInfo,
-            ExtServletContext context,
-            ServletInfo servletInfo,
-            BundleContext bundleContext)
+    public WhiteboardServletHandler(final long contextServiceId,
+            final ExtServletContext context,
+            final ServletInfo servletInfo,
+            final BundleContext bundleContext)
     {
-        super(contextInfo.getServiceId(), context, checkIsResource(servletInfo, false));
+        super(contextServiceId, context, servletInfo);
         this.bundleContext = bundleContext;
     }
 
     @Override
-    public Servlet getServlet()
+    public int init()
     {
-        return servlet;
+        if ( this.useCount > 0 )
+        {
+            this.useCount++;
+            return -1;
+        }
+
+        final ServiceReference<Servlet> serviceReference = getServletInfo().getServiceReference();
+        final ServiceObjects<Servlet> so = this.bundleContext.getServiceObjects(serviceReference);
+
+        this.setServlet((so == null ? null : so.getService()));
+
+        final int reason = super.init();
+        if ( reason != -1 )
+        {
+            so.ungetService(this.getServlet());
+            this.setServlet(null);
+        }
+        return reason;
     }
 
     @Override
-    protected Object getSubject()
+    public boolean destroy()
     {
-        return getServlet();
-    }
-
-    @Override
-    public void init() throws ServletException
-    {
-        if (servlet != null)
+        final Servlet s = this.getServlet();
+        if ( s != null )
         {
-            return;
+            if ( super.destroy() )
+            {
+
+                final ServiceObjects<Servlet> so = this.bundleContext.getServiceObjects(getServletInfo().getServiceReference());
+                if (so != null)
+                {
+                    so.ungetService(s);
+                }
+                return true;
+            }
         }
-
-        ServiceReference<Servlet> serviceReference = getServletInfo().getServiceReference();
-        ServiceObjects<Servlet> so = this.bundleContext.getServiceObjects(serviceReference);
-
-        servlet = so.getService();
-
-        if (servlet == null)
-        {
-            // TODO throw Exception - service ungettable ?
-            return;
-        }
-
-        try {
-            servlet.init(new ServletConfigImpl(getName(), getContext(), getInitParams()));
-        } catch (ServletException e) {
-            so.ungetService(servlet);
-            throw e;
-        }
-    }
-
-    @Override
-    public void destroy()
-    {
-        if (servlet == null)
-        {
-            return;
-        }
-
-        servlet.destroy();
-
-        ServiceObjects<Servlet> so = this.bundleContext.getServiceObjects(getServletInfo().getServiceReference());
-        // TODO check if this is needed
-        if (so != null)
-        {
-            so.ungetService(servlet);
-        }
-        servlet = null;
+        return false;
     }
 }
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/FilterHolder.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/FilterHolder.java
deleted file mode 100644
index 71261f2..0000000
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/FilterHolder.java
+++ /dev/null
@@ -1,213 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.felix.http.base.internal.handler.holder;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.regex.Pattern;
-
-import javax.annotation.Nonnull;
-import javax.servlet.Filter;
-import javax.servlet.FilterChain;
-import javax.servlet.ServletException;
-import javax.servlet.ServletRequest;
-import javax.servlet.ServletResponse;
-
-import org.apache.felix.http.base.internal.context.ExtServletContext;
-import org.apache.felix.http.base.internal.handler.FilterConfigImpl;
-import org.apache.felix.http.base.internal.logger.SystemLogger;
-import org.apache.felix.http.base.internal.runtime.FilterInfo;
-import org.apache.felix.http.base.internal.runtime.dto.FilterRuntime;
-import org.apache.felix.http.base.internal.util.PatternUtil;
-import org.osgi.service.http.runtime.dto.DTOConstants;
-
-/**
- * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
- */
-public class FilterHolder implements Comparable<FilterHolder>, FilterRuntime
-{
-    private final long contextServiceId;
-
-    private final FilterInfo filterInfo;
-
-    private final ExtServletContext context;
-
-    private volatile Filter filter;
-
-    protected volatile int useCount;
-
-    private final Pattern[] patterns;
-
-    public FilterHolder(final long contextServiceId,
-            final ExtServletContext context,
-            final FilterInfo filterInfo)
-    {
-        this.contextServiceId = contextServiceId;
-        this.context = context;
-        this.filterInfo = filterInfo;
-        // Compose a single array of all patterns & regexs the filter must represent...
-        String[] patterns = getFilterPatterns(filterInfo);
-
-        this.patterns = new Pattern[patterns.length];
-        for (int i = 0; i < patterns.length; i++)
-        {
-            this.patterns[i] = Pattern.compile(patterns[i]);
-        }
-    }
-
-    private static String[] getFilterPatterns(FilterInfo filterInfo)
-    {
-        List<String> result = new ArrayList<String>();
-        if (filterInfo.getPatterns() != null)
-        {
-            for (int i = 0; i < filterInfo.getPatterns().length; i++)
-            {
-                result.add(PatternUtil.convertToRegEx(filterInfo.getPatterns()[i]));
-            }
-        }
-        if (filterInfo.getRegexs() != null)
-        {
-            for (int i = 0; i < filterInfo.getRegexs().length; i++)
-            {
-                result.add(filterInfo.getRegexs()[i]);
-            }
-        }
-        return result.toArray(new String[result.size()]);
-    }
-
-    public Pattern[] getPatterns() {
-        return this.patterns;
-    }
-
-    @Override
-    public int compareTo(final FilterHolder other)
-    {
-        return this.filterInfo.compareTo(other.filterInfo);
-    }
-
-    @Override
-    public long getContextServiceId()
-    {
-        return this.contextServiceId;
-    }
-
-    public ExtServletContext getContext()
-    {
-        return this.context;
-    }
-
-    public Filter getFilter()
-    {
-        return filter;
-    }
-
-    protected void setFilter(final Filter f)
-    {
-        this.filter = f;
-    }
-
-    @Override
-    public FilterInfo getFilterInfo()
-    {
-        return this.filterInfo;
-    }
-
-    public String getName()
-    {
-        String name = this.filterInfo.getName();
-        if (name == null)
-        {
-            name = filter.getClass().getName();
-        }
-        return name;
-    }
-
-    /**
-     * Initialize the object
-     * @return {code -1} on success, a failure reason according to {@link DTOConstants} otherwise.
-     */
-    public int init()
-    {
-        if ( this.useCount > 0 )
-        {
-            this.useCount++;
-            return -1;
-        }
-
-        if (this.filter == null)
-        {
-            return DTOConstants.FAILURE_REASON_SERVICE_NOT_GETTABLE;
-        }
-
-        try
-        {
-            filter.init(new FilterConfigImpl(getName(), getContext(), getFilterInfo().getInitParameters()));
-        }
-        catch (final ServletException e)
-        {
-            SystemLogger.error(this.getFilterInfo().getServiceReference(),
-                    "Error during calling init() on filter " + this.filter,
-                    e);
-            return DTOConstants.FAILURE_REASON_EXCEPTION_ON_INIT;
-        }
-        this.useCount++;
-        return -1;
-    }
-
-    public void handle(@Nonnull final ServletRequest req,
-            @Nonnull final ServletResponse res,
-            @Nonnull final FilterChain chain) throws ServletException, IOException
-    {
-        this.filter.doFilter(req, res, chain);
-    }
-
-    public boolean destroy()
-    {
-        if (this.filter == null)
-        {
-            return false;
-        }
-
-        this.useCount--;
-        if ( this.useCount == 0 )
-        {
-            try
-            {
-                filter.destroy();
-            }
-            catch ( final Exception ignore )
-            {
-                // we ignore this
-                SystemLogger.error(this.getFilterInfo().getServiceReference(),
-                        "Error during calling destroy() on filter " + this.filter,
-                        ignore);
-            }
-
-            filter = null;
-            return true;
-        }
-        return false;
-    }
-
-    public boolean dispose()
-    {
-        // fully destroy the filter
-        this.useCount = 1;
-        return this.destroy();
-    }
-}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/ServletHolder.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/ServletHolder.java
deleted file mode 100644
index ead0b94..0000000
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/ServletHolder.java
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.felix.http.base.internal.handler.holder;
-
-import java.io.IOException;
-
-import javax.servlet.Servlet;
-import javax.servlet.ServletException;
-import javax.servlet.ServletRequest;
-import javax.servlet.ServletResponse;
-
-import org.apache.felix.http.base.internal.context.ExtServletContext;
-import org.apache.felix.http.base.internal.handler.ServletConfigImpl;
-import org.apache.felix.http.base.internal.logger.SystemLogger;
-import org.apache.felix.http.base.internal.runtime.ServletInfo;
-import org.apache.felix.http.base.internal.runtime.dto.ServletRuntime;
-import org.osgi.service.http.runtime.dto.DTOConstants;
-
-/**
- * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
- */
-public abstract class ServletHolder implements Comparable<ServletHolder>, ServletRuntime
-{
-    private final long contextServiceId;
-
-    private final ServletInfo servletInfo;
-
-    private final ExtServletContext context;
-
-    private volatile Servlet servlet;
-
-    protected volatile int useCount;
-
-    public ServletHolder(final long contextServiceId,
-            final ExtServletContext context,
-            final ServletInfo servletInfo)
-    {
-        this.contextServiceId = contextServiceId;
-        this.context = context;
-        this.servletInfo = servletInfo;
-    }
-
-    @Override
-    public int compareTo(final ServletHolder other)
-    {
-        return this.servletInfo.compareTo(other.servletInfo);
-    }
-
-    @Override
-    public long getContextServiceId()
-    {
-        return this.contextServiceId;
-    }
-
-    public ExtServletContext getContext()
-    {
-        return this.context;
-    }
-
-    @Override
-    public Servlet getServlet()
-    {
-        return servlet;
-    }
-
-    protected void setServlet(final Servlet s)
-    {
-        this.servlet = s;
-    }
-
-    public void handle(final ServletRequest req, final ServletResponse res)
-            throws ServletException, IOException
-    {
-        this.servlet.service(req, res);
-    }
-
-    @Override
-    public ServletInfo getServletInfo()
-    {
-        return this.servletInfo;
-    }
-
-    public String getName()
-    {
-        String name = this.servletInfo.getName();
-        if (name == null)
-        {
-            name = servlet.getClass().getName();
-        }
-        return name;
-    }
-
-    /**
-     * Initialize the object
-     * @return {code -1} on success, a failure reason according to {@link DTOConstants} otherwise.
-     */
-    public int init()
-    {
-        if ( this.useCount > 0 )
-        {
-            this.useCount++;
-            return -1;
-        }
-
-        if (this.servlet == null)
-        {
-            return DTOConstants.FAILURE_REASON_SERVICE_NOT_GETTABLE;
-        }
-
-        try
-        {
-            servlet.init(new ServletConfigImpl(getName(), getContext(), getServletInfo().getInitParameters()));
-        }
-        catch (final ServletException e)
-        {
-            SystemLogger.error(this.getServletInfo().getServiceReference(),
-                    "Error during calling init() on servlet " + this.servlet,
-                    e);
-            return DTOConstants.FAILURE_REASON_EXCEPTION_ON_INIT;
-        }
-        this.useCount++;
-        return -1;
-    }
-
-
-    public boolean destroy()
-    {
-        if (this.servlet == null)
-        {
-            return false;
-        }
-
-        this.useCount--;
-        if ( this.useCount == 0 )
-        {
-            try
-            {
-                servlet.destroy();
-            }
-            catch ( final Exception ignore )
-            {
-                // we ignore this
-                SystemLogger.error(this.getServletInfo().getServiceReference(),
-                        "Error during calling destroy() on servlet " + this.servlet,
-                        ignore);
-            }
-
-            servlet = null;
-            return true;
-        }
-        return false;
-    }
-
-    public boolean dispose()
-    {
-        // fully destroy the servlet
-        this.useCount = 1;
-        return this.destroy();
-    }
-}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/WhiteboardServletHolder.java b/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/WhiteboardServletHolder.java
deleted file mode 100644
index 8aea9b0..0000000
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/handler/holder/WhiteboardServletHolder.java
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.felix.http.base.internal.handler.holder;
-
-import javax.servlet.Servlet;
-
-import org.apache.felix.http.base.internal.context.ExtServletContext;
-import org.apache.felix.http.base.internal.runtime.ServletInfo;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.ServiceObjects;
-import org.osgi.framework.ServiceReference;
-
-/**
- * Servlet holder for servlets registered through the http whiteboard.
- */
-public final class WhiteboardServletHolder extends ServletHolder
-{
-    private final BundleContext bundleContext;
-
-    public WhiteboardServletHolder(final long contextServiceId,
-            final ExtServletContext context,
-            final ServletInfo servletInfo,
-            final BundleContext bundleContext)
-    {
-        super(contextServiceId, context, servletInfo);
-        this.bundleContext = bundleContext;
-    }
-
-    @Override
-    public int init()
-    {
-        if ( this.useCount > 0 )
-        {
-            this.useCount++;
-            return -1;
-        }
-
-        final ServiceReference<Servlet> serviceReference = getServletInfo().getServiceReference();
-        final ServiceObjects<Servlet> so = this.bundleContext.getServiceObjects(serviceReference);
-
-        this.setServlet((so == null ? null : so.getService()));
-
-        final int reason = super.init();
-        if ( reason != -1 )
-        {
-            so.ungetService(this.getServlet());
-            this.setServlet(null);
-        }
-        return reason;
-    }
-
-    @Override
-    public boolean destroy()
-    {
-        final Servlet s = this.getServlet();
-        if ( s != null )
-        {
-            if ( super.destroy() )
-            {
-
-                final ServiceObjects<Servlet> so = this.bundleContext.getServiceObjects(getServletInfo().getServiceReference());
-                if (so != null)
-                {
-                    so.ungetService(s);
-                }
-                return true;
-            }
-        }
-        return false;
-    }
-}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ErrorPageRegistry.java b/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ErrorPageRegistry.java
index b544653..abd1b16 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ErrorPageRegistry.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ErrorPageRegistry.java
@@ -30,7 +30,7 @@
 
 import javax.annotation.Nonnull;
 
-import org.apache.felix.http.base.internal.handler.holder.ServletHolder;
+import org.apache.felix.http.base.internal.handler.ServletHandler;
 import org.apache.felix.http.base.internal.runtime.ServletInfo;
 import org.apache.felix.http.base.internal.runtime.dto.ErrorPageRuntime;
 import org.apache.felix.http.base.internal.runtime.dto.ServletRuntime;
@@ -76,8 +76,8 @@
         return null;
     }
 
-    private final Map<Long, List<ServletHolder>> errorCodesMap = new ConcurrentHashMap<Long, List<ServletHolder>>();
-    private final Map<String, List<ServletHolder>> exceptionsMap = new ConcurrentHashMap<String, List<ServletHolder>>();
+    private final Map<Long, List<ServletHandler>> errorCodesMap = new ConcurrentHashMap<Long, List<ServletHandler>>();
+    private final Map<String, List<ServletHandler>> exceptionsMap = new ConcurrentHashMap<String, List<ServletHandler>>();
 
     private final Map<ServletInfo, ErrorRegistrationStatus> statusMapping = new ConcurrentHashMap<ServletInfo, ErrorRegistrationStatus>();
 
@@ -87,7 +87,7 @@
     }
 
     private static final class ErrorRegistrationStatus {
-        ServletHolder holder;
+        ServletHandler holder;
         final Map<Long, Integer> errorCodeMapping = new ConcurrentHashMap<Long, Integer>();
         final Map<String, Integer> exceptionMapping = new ConcurrentHashMap<String, Integer>();
     }
@@ -114,7 +114,7 @@
      * Add the servlet for error handling
      * @param holder The servlet holder.
      */
-    public void addServlet(@Nonnull final ServletHolder holder)
+    public void addServlet(@Nonnull final ServletHandler holder)
     {
         final ErrorRegistration reg = getErrorRegistration(holder.getServletInfo());
         if ( reg != null )
@@ -123,20 +123,20 @@
             status.holder = holder;
             for(final long code : reg.errorCodes)
             {
-                List<ServletHolder> list = errorCodesMap.get(code);
+                List<ServletHandler> list = errorCodesMap.get(code);
                 if ( list == null )
                 {
                     // activate
                     if ( tryToActivate(code, holder, status) )
                     {
-                        final List<ServletHolder> newList = new ArrayList<ServletHolder>(1);
+                        final List<ServletHandler> newList = new ArrayList<ServletHandler>(1);
                         newList.add(holder);
                         errorCodesMap.put(code, newList);
                     }
                 }
                 else
                 {
-                    final List<ServletHolder> newList = new ArrayList<ServletHolder>(list);
+                    final List<ServletHandler> newList = new ArrayList<ServletHandler>(list);
                     newList.add(holder);
                     Collections.sort(newList);
 
@@ -145,7 +145,7 @@
                         // activate and reactive
                         if ( tryToActivate(code, holder, status) )
                         {
-                            final ServletHolder old = list.get(0);
+                            final ServletHandler old = list.get(0);
                             old.destroy();
                             errorCodesMap.put(code, newList);
                         }
@@ -160,20 +160,20 @@
             }
             for(final String exception : reg.exceptions)
             {
-                List<ServletHolder> list = exceptionsMap.get(exception);
+                List<ServletHandler> list = exceptionsMap.get(exception);
                 if ( list == null )
                 {
                     // activate
                     if ( tryToActivate(exception, holder, status) )
                     {
-                        final List<ServletHolder> newList = new ArrayList<ServletHolder>(1);
+                        final List<ServletHandler> newList = new ArrayList<ServletHandler>(1);
                         newList.add(holder);
                         exceptionsMap.put(exception, newList);
                     }
                 }
                 else
                 {
-                    final List<ServletHolder> newList = new ArrayList<ServletHolder>(list);
+                    final List<ServletHandler> newList = new ArrayList<ServletHandler>(list);
                     newList.add(holder);
                     Collections.sort(newList);
 
@@ -182,7 +182,7 @@
                         // activate and reactive
                         if ( tryToActivate(exception, holder, status) )
                         {
-                            final ServletHolder old = list.get(0);
+                            final ServletHandler old = list.get(0);
                             old.destroy();
                             exceptionsMap.put(exception, newList);
                         }
@@ -211,19 +211,19 @@
             this.statusMapping.remove(info);
             for(final long code : reg.errorCodes)
             {
-                final List<ServletHolder> list = errorCodesMap.get(code);
+                final List<ServletHandler> list = errorCodesMap.get(code);
                 if ( list != null )
                 {
                     int index = 0;
-                    final Iterator<ServletHolder> i = list.iterator();
+                    final Iterator<ServletHandler> i = list.iterator();
                     while ( i.hasNext() )
                     {
-                        final ServletHolder holder = i.next();
+                        final ServletHandler holder = i.next();
                         if ( holder.getServletInfo().equals(info) )
                         {
                             holder.destroy();
 
-                            final List<ServletHolder> newList = new ArrayList<ServletHolder>(list);
+                            final List<ServletHandler> newList = new ArrayList<ServletHandler>(list);
                             newList.remove(holder);
 
                             if ( index == 0 )
@@ -231,7 +231,7 @@
                                 index++;
                                 while ( index < list.size() )
                                 {
-                                    final ServletHolder next = list.get(index);
+                                    final ServletHandler next = list.get(index);
                                     if ( tryToActivate(code, next, statusMapping.get(next.getServletInfo())) )
                                     {
                                         break;
@@ -259,19 +259,19 @@
             }
             for(final String exception : reg.exceptions)
             {
-                final List<ServletHolder> list = exceptionsMap.get(exception);
+                final List<ServletHandler> list = exceptionsMap.get(exception);
                 if ( list != null )
                 {
                     int index = 0;
-                    final Iterator<ServletHolder> i = list.iterator();
+                    final Iterator<ServletHandler> i = list.iterator();
                     while ( i.hasNext() )
                     {
-                        final ServletHolder holder = i.next();
+                        final ServletHandler holder = i.next();
                         if ( holder.getServletInfo().equals(info) )
                         {
                             holder.destroy();
 
-                            final List<ServletHolder> newList = new ArrayList<ServletHolder>(list);
+                            final List<ServletHandler> newList = new ArrayList<ServletHandler>(list);
                             newList.remove(holder);
 
                             if ( index == 0 )
@@ -279,7 +279,7 @@
                                 index++;
                                 while ( index < list.size() )
                                 {
-                                    final ServletHolder next = list.get(index);
+                                    final ServletHandler next = list.get(index);
                                     if ( tryToActivate(exception, next, statusMapping.get(next.getServletInfo())) )
                                     {
                                         break;
@@ -314,9 +314,9 @@
      * @param errorCode Error code
      * @return The servlet handling the error or {@code null}
      */
-    public ServletHolder get(final Throwable exception, final int errorCode)
+    public ServletHandler get(final Throwable exception, final int errorCode)
     {
-        ServletHolder errorHandler = this.get(exception);
+        ServletHandler errorHandler = this.get(exception);
         if (errorHandler != null)
         {
             return errorHandler;
@@ -325,9 +325,9 @@
         return get(errorCode);
     }
 
-    private ServletHolder get(final int errorCode)
+    private ServletHandler get(final int errorCode)
     {
-        final List<ServletHolder> list = this.errorCodesMap.get(errorCode);
+        final List<ServletHandler> list = this.errorCodesMap.get(errorCode);
         if ( list != null )
         {
             return list.get(0);
@@ -335,18 +335,18 @@
         return null;
     }
 
-    private ServletHolder get(final Throwable exception)
+    private ServletHandler get(final Throwable exception)
     {
         if (exception == null)
         {
             return null;
         }
 
-        ServletHolder servletHandler = null;
+        ServletHandler servletHandler = null;
         Class<?> throwableClass = exception.getClass();
         while ( servletHandler == null && throwableClass != null )
         {
-            final List<ServletHolder> list = this.errorCodesMap.get(throwableClass.getName());
+            final List<ServletHandler> list = this.errorCodesMap.get(throwableClass.getName());
             if ( list != null )
             {
                 servletHandler = list.get(0);
@@ -364,7 +364,7 @@
         return servletHandler;
     }
 
-    private boolean tryToActivate(final Long code, final ServletHolder holder, final ErrorRegistrationStatus status)
+    private boolean tryToActivate(final Long code, final ServletHandler holder, final ErrorRegistrationStatus status)
     {
         // add to active
         final int result = holder.init();
@@ -373,7 +373,7 @@
         return result == -1;
     }
 
-    private boolean tryToActivate(final String exception, final ServletHolder holder, final ErrorRegistrationStatus status)
+    private boolean tryToActivate(final String exception, final ServletHandler holder, final ErrorRegistrationStatus status)
     {
         // add to active
         final int result = holder.init();
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/registry/FilterRegistry.java b/http/base/src/main/java/org/apache/felix/http/base/internal/registry/FilterRegistry.java
index 830977e..f003b35 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/registry/FilterRegistry.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/registry/FilterRegistry.java
@@ -29,8 +29,8 @@
 import javax.annotation.Nonnull;
 import javax.servlet.DispatcherType;
 
-import org.apache.felix.http.base.internal.handler.holder.FilterHolder;
-import org.apache.felix.http.base.internal.handler.holder.ServletHolder;
+import org.apache.felix.http.base.internal.handler.FilterHandler;
+import org.apache.felix.http.base.internal.handler.ServletHandler;
 import org.apache.felix.http.base.internal.runtime.FilterInfo;
 import org.apache.felix.http.base.internal.runtime.dto.FailureRuntime;
 import org.apache.felix.http.base.internal.runtime.dto.FilterRuntime;
@@ -44,10 +44,10 @@
     private static final class FilterRegistrationStatus
     {
         public int result;
-        public FilterHolder holder;
+        public FilterHandler holder;
     }
 
-    public void addFilter(@Nonnull final FilterHolder holder)
+    public void addFilter(@Nonnull final FilterHandler holder)
     {
         final int result = holder.init();
         if ( result == -1 )
@@ -77,16 +77,16 @@
         }
     }
 
-    public FilterHolder[] getFilterHolders(@CheckForNull final ServletHolder holder,
+    public FilterHandler[] getFilterHandlers(@CheckForNull final ServletHandler holder,
             @CheckForNull DispatcherType dispatcherType,
             @Nonnull String requestURI)
     {
         // See Servlet 3.0 specification, section 6.2.4...
-        final List<FilterHolder> result = new ArrayList<FilterHolder>();
+        final List<FilterHandler> result = new ArrayList<FilterHandler>();
         result.addAll(this.filterMapping.getAllMatches(requestURI));
 
         // TODO this is not the most efficient/fastest way of doing this...
-        Iterator<FilterHolder> iter = result.iterator();
+        Iterator<FilterHandler> iter = result.iterator();
         while (iter.hasNext())
         {
             if (!referencesDispatcherType(iter.next(), dispatcherType))
@@ -97,7 +97,7 @@
 
         final String servletName = (holder != null) ? holder.getName() : null;
         // TODO this is not the most efficient/fastest way of doing this...
-        for (FilterHolder filterHandler : this.filterMapping.values())
+        for (FilterHandler filterHandler : this.filterMapping.values())
         {
             if (referencesServletByName(filterHandler, servletName))
             {
@@ -105,10 +105,10 @@
             }
         }
 
-        return result.toArray(new FilterHolder[result.size()]);
+        return result.toArray(new FilterHandler[result.size()]);
     }
 
-    private boolean referencesDispatcherType(FilterHolder holder, DispatcherType dispatcherType)
+    private boolean referencesDispatcherType(FilterHandler holder, DispatcherType dispatcherType)
     {
         if (dispatcherType == null)
         {
@@ -117,7 +117,7 @@
         return Arrays.asList(holder.getFilterInfo().getDispatcher()).contains(dispatcherType);
     }
 
-    private boolean referencesServletByName(FilterHolder handler, String servletName)
+    private boolean referencesServletByName(FilterHandler handler, String servletName)
     {
         if (servletName == null)
         {
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/registry/HandlerMapping.java b/http/base/src/main/java/org/apache/felix/http/base/internal/registry/HandlerMapping.java
index db3d367..c8bf74e 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/registry/HandlerMapping.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/registry/HandlerMapping.java
@@ -35,7 +35,7 @@
 
 import javax.annotation.Nonnull;
 
-import org.apache.felix.http.base.internal.handler.holder.FilterHolder;
+import org.apache.felix.http.base.internal.handler.FilterHandler;
 import org.apache.felix.http.base.internal.util.PatternUtil;
 import org.apache.felix.http.base.internal.util.PatternUtil.PatternComparator;
 
@@ -50,16 +50,16 @@
  */
 public final class HandlerMapping
 {
-    private final SortedMap<Pattern, Set<FilterHolder>> exactMap;
-    private final SortedMap<Pattern, Set<FilterHolder>> wildcardMap;
-    private final Set<FilterHolder> mappedHandlers;
+    private final SortedMap<Pattern, Set<FilterHandler>> exactMap;
+    private final SortedMap<Pattern, Set<FilterHandler>> wildcardMap;
+    private final Set<FilterHandler> mappedHandlers;
 
     /**
      * Creates a new, empty, {@link HandlerMapping} instance.
      */
     public HandlerMapping()
     {
-        this(Collections.<Pattern, Collection<FilterHolder>>emptyMap());
+        this(Collections.<Pattern, Collection<FilterHandler>>emptyMap());
     }
 
     /**
@@ -67,35 +67,35 @@
      *
      * @param mappings the elements to map.
      */
-    private HandlerMapping(@Nonnull final Map<Pattern, Collection<FilterHolder>> mappings)
+    private HandlerMapping(@Nonnull final Map<Pattern, Collection<FilterHandler>> mappings)
     {
-        this.exactMap = new TreeMap<Pattern, Set<FilterHolder>>(PatternComparator.INSTANCE);
-        this.wildcardMap = new TreeMap<Pattern, Set<FilterHolder>>(PatternComparator.INSTANCE);
-        this.mappedHandlers = new TreeSet<FilterHolder>();
+        this.exactMap = new TreeMap<Pattern, Set<FilterHandler>>(PatternComparator.INSTANCE);
+        this.wildcardMap = new TreeMap<Pattern, Set<FilterHandler>>(PatternComparator.INSTANCE);
+        this.mappedHandlers = new TreeSet<FilterHandler>();
 
-        for (Map.Entry<Pattern, Collection<FilterHolder>> mapping : mappings.entrySet())
+        for (Map.Entry<Pattern, Collection<FilterHandler>> mapping : mappings.entrySet())
         {
             Pattern pattern = mapping.getKey();
-            Collection<FilterHolder> handlers = mapping.getValue();
+            Collection<FilterHandler> handlers = mapping.getValue();
 
             mappedHandlers.addAll(handlers);
 
             if (PatternUtil.isWildcardPattern(pattern))
             {
-                Set<FilterHolder> vs = this.wildcardMap.get(pattern);
+                Set<FilterHandler> vs = this.wildcardMap.get(pattern);
                 if (vs == null)
                 {
-                    vs = new TreeSet<FilterHolder>();
+                    vs = new TreeSet<FilterHandler>();
                     this.wildcardMap.put(pattern, vs);
                 }
                 vs.addAll(handlers);
             }
             else
             {
-                Set<FilterHolder> vs = this.exactMap.get(pattern);
+                Set<FilterHandler> vs = this.exactMap.get(pattern);
                 if (vs == null)
                 {
-                    vs = new TreeSet<FilterHolder>();
+                    vs = new TreeSet<FilterHandler>();
                     this.exactMap.put(pattern, vs);
                 }
                 vs.addAll(handlers);
@@ -111,9 +111,9 @@
      * @return a new {@link HandlerMapping} instance with a mapping for the
      *         given handler.
      */
-    public HandlerMapping add(@Nonnull final FilterHolder handler)
+    public HandlerMapping add(@Nonnull final FilterHandler handler)
     {
-        final Map<Pattern, FilterHolder> mappings = new TreeMap<Pattern, FilterHolder>(PatternComparator.INSTANCE);
+        final Map<Pattern, FilterHandler> mappings = new TreeMap<Pattern, FilterHandler>(PatternComparator.INSTANCE);
         for (final Pattern pattern : handler.getPatterns())
         {
             mappings.put(pattern, handler);
@@ -121,9 +121,9 @@
         return add(mappings);
     }
 
-    HandlerMapping add(@Nonnull final Map<Pattern, FilterHolder> mappings)
+    HandlerMapping add(@Nonnull final Map<Pattern, FilterHandler> mappings)
     {
-        final Map<Pattern, Collection<FilterHolder>> newMappings = getAllMappings();
+        final Map<Pattern, Collection<FilterHandler>> newMappings = getAllMappings();
         addMappings(mappings, newMappings);
         return new HandlerMapping(newMappings);
     }
@@ -136,9 +136,9 @@
      * @return a new {@link HandlerMapping} instance without a mapping for the
      *         given handler.
      */
-    public HandlerMapping remove(FilterHolder handler)
+    public HandlerMapping remove(FilterHandler handler)
     {
-        Map<Pattern, FilterHolder> mappings = new TreeMap<Pattern, FilterHolder>(PatternComparator.INSTANCE);
+        Map<Pattern, FilterHandler> mappings = new TreeMap<Pattern, FilterHandler>(PatternComparator.INSTANCE);
         for (Pattern pattern : handler.getPatterns())
         {
             mappings.put(pattern, handler);
@@ -146,38 +146,38 @@
         return remove(mappings);
     }
 
-    HandlerMapping remove(Map<Pattern, FilterHolder> mappings)
+    HandlerMapping remove(Map<Pattern, FilterHandler> mappings)
     {
-        Map<Pattern, Collection<FilterHolder>> newMappings = getAllMappings();
+        Map<Pattern, Collection<FilterHandler>> newMappings = getAllMappings();
         removeMappings(mappings, newMappings);
         return new HandlerMapping(newMappings);
     }
 
-    HandlerMapping update(Map<Pattern, FilterHolder> add, Map<Pattern, FilterHolder> remove)
+    HandlerMapping update(Map<Pattern, FilterHandler> add, Map<Pattern, FilterHandler> remove)
     {
-        Map<Pattern, Collection<FilterHolder>> newMappings = getAllMappings();
+        Map<Pattern, Collection<FilterHandler>> newMappings = getAllMappings();
         removeMappings(remove, newMappings);
         addMappings(add, newMappings);
         return new HandlerMapping(newMappings);
     }
 
-    private void addMappings(Map<Pattern, FilterHolder> mappings, Map<Pattern, Collection<FilterHolder>> target)
+    private void addMappings(Map<Pattern, FilterHandler> mappings, Map<Pattern, Collection<FilterHandler>> target)
     {
-        for (Map.Entry<Pattern, FilterHolder> mapping : mappings.entrySet())
+        for (Map.Entry<Pattern, FilterHandler> mapping : mappings.entrySet())
         {
             if (!target.containsKey(mapping.getKey()))
             {
-                target.put(mapping.getKey(), new TreeSet<FilterHolder>());
+                target.put(mapping.getKey(), new TreeSet<FilterHandler>());
             }
             target.get(mapping.getKey()).add(mapping.getValue());
         }
     }
 
-    private void removeMappings(Map<Pattern, FilterHolder> mappings, Map<Pattern, Collection<FilterHolder>> target)
+    private void removeMappings(Map<Pattern, FilterHandler> mappings, Map<Pattern, Collection<FilterHandler>> target)
     {
-        for (Map.Entry<Pattern, FilterHolder> mapping : mappings.entrySet())
+        for (Map.Entry<Pattern, FilterHandler> mapping : mappings.entrySet())
         {
-            Collection<FilterHolder> mappedHandlers = target.get(mapping.getKey());
+            Collection<FilterHandler> mappedHandlers = target.get(mapping.getKey());
             if (mappedHandlers == null)
             {
                 continue;
@@ -190,9 +190,9 @@
         }
     }
 
-    private Map<Pattern, Collection<FilterHolder>> getAllMappings()
+    private Map<Pattern, Collection<FilterHandler>> getAllMappings()
     {
-        Map<Pattern, Collection<FilterHolder>> newMappings = new TreeMap<Pattern, Collection<FilterHolder>>(PatternComparator.INSTANCE);
+        Map<Pattern, Collection<FilterHandler>> newMappings = new TreeMap<Pattern, Collection<FilterHandler>>(PatternComparator.INSTANCE);
         newMappings.putAll(exactMap);
         newMappings.putAll(wildcardMap);
         return newMappings;
@@ -205,7 +205,7 @@
      *         <code>Collection</code> is unmodifiable and never
      *         <code>null</code>.
      */
-    public Collection<FilterHolder> values()
+    public Collection<FilterHandler> values()
     {
         return unmodifiableCollection(mappedHandlers);
     }
@@ -216,7 +216,7 @@
      * @return <code>true</code> if the handlers contains the specified handler,
      *         <code>false</code> otherwise
      */
-    public boolean contains(FilterHolder handler)
+    public boolean contains(FilterHandler handler)
     {
         return mappedHandlers.contains(handler);
     }
@@ -227,7 +227,7 @@
      * @param path the path that should match, cannot be <code>null</code>.
      * @return a {@link Collection} of all matching handlers, never <code>null</code>.
      */
-    public List<FilterHolder> getAllMatches(String path)
+    public List<FilterHandler> getAllMatches(String path)
     {
         return getAllMatches(path, false /* firstOnly */);
     }
@@ -245,9 +245,9 @@
      * @param path the path that should match, cannot be <code>null</code>.
      * @return the best matching handler for the given path, or <code>null</code> in case no handler matched.
      */
-    FilterHolder getBestMatch(String path)
+    FilterHandler getBestMatch(String path)
     {
-        List<FilterHolder> allMatches = getAllMatches(path, true /* firstOnly */);
+        List<FilterHandler> allMatches = getAllMatches(path, true /* firstOnly */);
         return allMatches.isEmpty() ? null : allMatches.get(0);
     }
 
@@ -257,14 +257,14 @@
      * @param name the name of the handler to return, can be <code>null</code> in which case this method will return <code>null</code>.
      * @return the element with the given name, or <code>null</code> if not found, or the given argument was <code>null</code>.
      */
-    FilterHolder getByName(String name)
+    FilterHandler getByName(String name)
     {
         if (name == null)
         {
             return null;
         }
 
-        for (FilterHolder element : this.mappedHandlers)
+        for (FilterHandler element : this.mappedHandlers)
         {
             if (name.equals(element.getName()))
             {
@@ -294,38 +294,38 @@
      *        <code>false</code> if all matching patterns should be returned.
      * @return a list with matching elements, never <code>null</code>.
      */
-    private List<FilterHolder> getAllMatches(String path, boolean firstOnly)
+    private List<FilterHandler> getAllMatches(String path, boolean firstOnly)
     {
         path = (path == null) ? "" : path.trim();
 
-        Set<FilterHolder> result = new TreeSet<FilterHolder>();
+        Set<FilterHandler> result = new TreeSet<FilterHandler>();
         // Look for exact matches only, that is, those patterns without wildcards...
-        for (Entry<Pattern, Set<FilterHolder>> entry : this.exactMap.entrySet())
+        for (Entry<Pattern, Set<FilterHandler>> entry : this.exactMap.entrySet())
         {
             Matcher matcher = entry.getKey().matcher(path);
             // !!! we should always match the *entire* pattern, instead of the longest prefix...
             if (matcher.matches())
             {
-                Set<FilterHolder> vs = entry.getValue();
-                for (FilterHolder v : vs)
+                Set<FilterHandler> vs = entry.getValue();
+                for (FilterHandler v : vs)
                 {
                     result.add(v);
                     if (firstOnly)
                     {
-                        return new ArrayList<FilterHolder>(result);
+                        return new ArrayList<FilterHandler>(result);
                     }
                 }
             }
         }
 
         // Try to apply the wildcard patterns...
-        for (Entry<Pattern, Set<FilterHolder>> entry : this.wildcardMap.entrySet())
+        for (Entry<Pattern, Set<FilterHandler>> entry : this.wildcardMap.entrySet())
         {
             Matcher matcher = entry.getKey().matcher(path);
             if (matcher.find(0))
             {
-                Set<FilterHolder> vs = entry.getValue();
-                for (FilterHolder v : vs)
+                Set<FilterHandler> vs = entry.getValue();
+                for (FilterHandler v : vs)
                 {
                     result.add(v);
 
@@ -337,6 +337,6 @@
             }
         }
 
-        return new ArrayList<FilterHolder>(result);
+        return new ArrayList<FilterHandler>(result);
     }
 }
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/registry/PerContextHandlerRegistry.java b/http/base/src/main/java/org/apache/felix/http/base/internal/registry/PerContextHandlerRegistry.java
index 8c81895..d02dfaa 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/registry/PerContextHandlerRegistry.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/registry/PerContextHandlerRegistry.java
@@ -19,8 +19,8 @@
 import javax.annotation.Nonnull;
 import javax.servlet.DispatcherType;
 
-import org.apache.felix.http.base.internal.handler.holder.FilterHolder;
-import org.apache.felix.http.base.internal.handler.holder.ServletHolder;
+import org.apache.felix.http.base.internal.handler.FilterHandler;
+import org.apache.felix.http.base.internal.handler.ServletHandler;
 import org.apache.felix.http.base.internal.runtime.FilterInfo;
 import org.apache.felix.http.base.internal.runtime.ServletContextHelperInfo;
 import org.apache.felix.http.base.internal.runtime.ServletInfo;
@@ -138,7 +138,7 @@
         return this.servletRegistry.resolve(relativeRequestURI);
     }
 
-    public ServletHolder resolveServletByName(final String name)
+    public ServletHandler resolveServletByName(final String name)
     {
         return this.servletRegistry.resolveByName(name);
     }
@@ -148,7 +148,7 @@
      * @param holder The servlet holder
      * @param info The servlet info
      */
-    public void addServlet(@Nonnull final ServletHolder holder)
+    public void addServlet(@Nonnull final ServletHandler holder)
     {
         this.servletRegistry.addServlet(holder);
         this.errorPageRegistry.addServlet(holder);
@@ -164,7 +164,7 @@
         this.errorPageRegistry.removeServlet(info, destroy);
     }
 
-    public void addFilter(@Nonnull final FilterHolder holder)
+    public void addFilter(@Nonnull final FilterHandler holder)
     {
         this.filterRegistry.addFilter(holder);
     }
@@ -174,13 +174,13 @@
         this.filterRegistry.removeFilter(info, destroy);
     }
 
-    public FilterHolder[] getFilterHolders(final ServletHolder servletHolder,
+    public FilterHandler[] getFilterHandlers(final ServletHandler servletHandler,
             DispatcherType dispatcherType, String requestURI)
     {
-        return this.filterRegistry.getFilterHolders(servletHolder, dispatcherType, requestURI);
+        return this.filterRegistry.getFilterHandlers(servletHandler, dispatcherType, requestURI);
     }
 
-    public ServletHolder getErrorHandler(int code, Throwable exception)
+    public ServletHandler getErrorHandler(int code, Throwable exception)
     {
         return this.errorPageRegistry.get(exception, code);
     }
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ServletHandler.java b/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ServletRegistration.java
similarity index 80%
rename from http/base/src/main/java/org/apache/felix/http/base/internal/registry/ServletHandler.java
rename to http/base/src/main/java/org/apache/felix/http/base/internal/registry/ServletRegistration.java
index cf88e06..805a487 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ServletHandler.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ServletRegistration.java
@@ -21,26 +21,26 @@
 
 import javax.annotation.Nonnull;
 
-import org.apache.felix.http.base.internal.handler.holder.ServletHolder;
+import org.apache.felix.http.base.internal.handler.ServletHandler;
 import org.apache.felix.http.base.internal.util.UriUtils;
 
 /**
  * Servlet handler is registered with a pattern and a servlet holder
  */
-public class ServletHandler
+public class ServletRegistration
 {
-    private final ServletHolder holder;
+    private final ServletHandler handler;
     private final Pattern pattern;
 
-    public ServletHandler(@Nonnull final ServletHolder holder, @Nonnull final Pattern pattern)
+    public ServletRegistration(@Nonnull final ServletHandler handler, @Nonnull final Pattern pattern)
     {
-        this.holder = holder;
+        this.handler = handler;
         this.pattern = pattern;
     }
 
-    public ServletHolder getServletHolder()
+    public ServletHandler getServletHandler()
     {
-        return this.holder;
+        return this.handler;
     }
 
     public PathResolution resolve(@Nonnull final String requestURI)
@@ -51,7 +51,7 @@
             final PathResolution pr = new PathResolution();
             pr.servletPath = matcher.groupCount() > 0 ? matcher.group(1) : matcher.group();
             pr.pathInfo = UriUtils.compactPath(UriUtils.relativePath(pr.servletPath, requestURI));
-            pr.holder = this.holder;
+            pr.holder = this.handler;
 
             return pr;
         }
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ServletRegistry.java b/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ServletRegistry.java
index 1b8032b..7cba12b 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ServletRegistry.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ServletRegistry.java
@@ -27,7 +27,7 @@
 
 import javax.annotation.Nonnull;
 
-import org.apache.felix.http.base.internal.handler.holder.ServletHolder;
+import org.apache.felix.http.base.internal.handler.ServletHandler;
 import org.apache.felix.http.base.internal.runtime.ServletInfo;
 import org.apache.felix.http.base.internal.util.PatternUtil;
 import org.osgi.service.http.runtime.dto.DTOConstants;
@@ -42,9 +42,9 @@
  */
 public final class ServletRegistry
 {
-    private final Map<String, ServletHandler> activeServletMappings = new ConcurrentHashMap<String, ServletHandler>();
+    private final Map<String, ServletRegistration> activeServletMappings = new ConcurrentHashMap<String, ServletRegistration>();
 
-    private final Map<String, List<ServletHolder>> inactiveServletMappings = new HashMap<String, List<ServletHolder>>();
+    private final Map<String, List<ServletHandler>> inactiveServletMappings = new HashMap<String, List<ServletHandler>>();
 
     private final Map<ServletInfo, ServletRegistrationStatus> statusMapping = new ConcurrentHashMap<ServletInfo, ServletRegistry.ServletRegistrationStatus>();
 
@@ -53,9 +53,9 @@
     private static final class ServletNameStatus implements Comparable<ServletNameStatus>
     {
         public volatile boolean isActive = false;
-        public final ServletHolder holder;
+        public final ServletHandler holder;
 
-        public ServletNameStatus(final ServletHolder h)
+        public ServletNameStatus(final ServletHandler h)
         {
             this.holder = h;
         }
@@ -76,7 +76,7 @@
     {
         int len = -1;
         PathResolution candidate = null;
-        for(final Map.Entry<String, ServletHandler> entry : this.activeServletMappings.entrySet())
+        for(final Map.Entry<String, ServletRegistration> entry : this.activeServletMappings.entrySet())
         {
             final PathResolution pr = entry.getValue().resolve(relativeRequestURI);
             if ( pr != null && entry.getKey().length() > len )
@@ -93,7 +93,7 @@
      *
      * @param holder The servlet holder
      */
-    public void addServlet(@Nonnull final ServletHolder holder)
+    public void addServlet(@Nonnull final ServletHandler holder)
     {
         // we have to check for every pattern in the info
         // Can be null in case of error-handling servlets...
@@ -103,18 +103,18 @@
 
             for(final String pattern : holder.getServletInfo().getPatterns())
             {
-                final ServletHandler regHandler = this.activeServletMappings.get(pattern);
+                final ServletRegistration regHandler = this.activeServletMappings.get(pattern);
                 if ( regHandler != null )
                 {
-                    if ( regHandler.getServletHolder().getServletInfo().getServiceReference().compareTo(holder.getServletInfo().getServiceReference()) < 0 )
+                    if ( regHandler.getServletHandler().getServletInfo().getServiceReference().compareTo(holder.getServletInfo().getServiceReference()) < 0 )
                     {
                         // replace if no error with new servlet
                         if ( this.tryToActivate(pattern, holder, status) )
                         {
 //                            nameStatus.isActive = true;
-                            regHandler.getServletHolder().destroy();
+                            regHandler.getServletHandler().destroy();
 
-                            this.addToInactiveList(pattern, regHandler.getServletHolder(), this.statusMapping.get(regHandler.getServletHolder().getServletInfo()));
+                            this.addToInactiveList(pattern, regHandler.getServletHandler(), this.statusMapping.get(regHandler.getServletHandler().getServletInfo()));
                         }
                     }
                     else
@@ -145,16 +145,16 @@
         if ( info.getPatterns() != null )
         {
             this.statusMapping.remove(info);
-            ServletHolder cleanupHolder = null;
+            ServletHandler cleanupHolder = null;
 
             for(final String pattern : info.getPatterns())
             {
 
-                final ServletHandler regHandler = this.activeServletMappings.get(pattern);
-                if ( regHandler != null && regHandler.getServletHolder().getServletInfo().equals(info) )
+                final ServletRegistration regHandler = this.activeServletMappings.get(pattern);
+                if ( regHandler != null && regHandler.getServletHandler().getServletInfo().equals(info) )
                 {
-                    cleanupHolder = regHandler.getServletHolder();
-                    final List<ServletHolder> inactiveList = this.inactiveServletMappings.get(pattern);
+                    cleanupHolder = regHandler.getServletHandler();
+                    final List<ServletHandler> inactiveList = this.inactiveServletMappings.get(pattern);
                     if ( inactiveList == null )
                     {
                         this.activeServletMappings.remove(pattern);
@@ -164,7 +164,7 @@
                         boolean done = false;
                         while ( !done )
                         {
-                            final ServletHolder h = inactiveList.remove(0);
+                            final ServletHandler h = inactiveList.remove(0);
                             done = this.tryToActivate(pattern, h, this.statusMapping.get(h.getServletInfo()));
                             if ( !done )
                             {
@@ -179,13 +179,13 @@
                 }
                 else
                 {
-                    final List<ServletHolder> inactiveList = this.inactiveServletMappings.get(pattern);
+                    final List<ServletHandler> inactiveList = this.inactiveServletMappings.get(pattern);
                     if ( inactiveList != null )
                     {
-                        final Iterator<ServletHolder> i = inactiveList.iterator();
+                        final Iterator<ServletHandler> i = inactiveList.iterator();
                         while ( i.hasNext() )
                         {
-                            final ServletHolder h = i.next();
+                            final ServletHandler h = i.next();
                             if ( h.getServletInfo().equals(info) )
                             {
                                 i.remove();
@@ -208,12 +208,12 @@
         }
     }
 
-    private void addToInactiveList(final String pattern, final ServletHolder holder, final ServletRegistrationStatus status)
+    private void addToInactiveList(final String pattern, final ServletHandler holder, final ServletRegistrationStatus status)
     {
-        List<ServletHolder> inactiveList = this.inactiveServletMappings.get(pattern);
+        List<ServletHandler> inactiveList = this.inactiveServletMappings.get(pattern);
         if ( inactiveList == null )
         {
-            inactiveList = new ArrayList<ServletHolder>();
+            inactiveList = new ArrayList<ServletHandler>();
             this.inactiveServletMappings.put(pattern, inactiveList);
         }
         inactiveList.add(holder);
@@ -221,14 +221,14 @@
         status.pathToStatus.put(pattern, DTOConstants.FAILURE_REASON_SHADOWED_BY_OTHER_SERVICE);
     }
 
-    private boolean tryToActivate(final String pattern, final ServletHolder holder, final ServletRegistrationStatus status)
+    private boolean tryToActivate(final String pattern, final ServletHandler holder, final ServletRegistrationStatus status)
     {
         // add to active
         final int result = holder.init();
         if ( result == -1 )
         {
             final Pattern p = Pattern.compile(PatternUtil.convertToRegEx(pattern));
-            final ServletHandler handler = new ServletHandler(holder, p);
+            final ServletRegistration handler = new ServletRegistration(holder, p);
             this.activeServletMappings.put(pattern, handler);
 
             // add ok
@@ -248,7 +248,7 @@
         return this.statusMapping;
     }
 
-    public ServletHolder resolveByName(@Nonnull String name)
+    public ServletHandler resolveByName(@Nonnull String name)
     {
         final List<ServletNameStatus> holderList = this.servletsByName.get(name);
         if ( holderList != null )
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ServletResolution.java b/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ServletResolution.java
index 300d5a4..c50cc14 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ServletResolution.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/registry/ServletResolution.java
@@ -16,11 +16,11 @@
  */
 package org.apache.felix.http.base.internal.registry;
 
-import org.apache.felix.http.base.internal.handler.holder.ServletHolder;
+import org.apache.felix.http.base.internal.handler.ServletHandler;
 
 public class ServletResolution {
 
-    public ServletHolder holder;
+    public ServletHandler holder;
 
     public PerContextHandlerRegistry handlerRegistry;
 }
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/dto/RequestInfoDTOBuilder.java b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/dto/RequestInfoDTOBuilder.java
index 05bc085..0091e59 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/dto/RequestInfoDTOBuilder.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/dto/RequestInfoDTOBuilder.java
@@ -18,8 +18,8 @@
 
 import static java.util.Arrays.asList;
 
+import org.apache.felix.http.base.internal.handler.FilterHandler;
 import org.apache.felix.http.base.internal.handler.HandlerRegistry;
-import org.apache.felix.http.base.internal.handler.holder.FilterHolder;
 import org.apache.felix.http.base.internal.registry.PathResolution;
 import org.osgi.service.http.runtime.dto.FilterDTO;
 import org.osgi.service.http.runtime.dto.RequestInfoDTO;
@@ -61,9 +61,9 @@
                     .buildDTO(pr.holder, pr.holder.getContextServiceId());
         }
 
-        final FilterHolder[] filterHolders = registry.getFilters(pr, null, path);
+        final FilterHandler[] filterHandlers = registry.getFilters(pr, null, path);
         requestInfoDTO.filterDTOs = FilterDTOBuilder.create()
-                .build(asList(filterHolders), pr.holder.getContextServiceId())
+                .build(asList(filterHandlers), pr.holder.getContextServiceId())
                 .toArray(FILTER_DTO_ARRAY);
 
         return requestInfoDTO;
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/service/PerBundleHttpServiceImpl.java b/http/base/src/main/java/org/apache/felix/http/base/internal/service/PerBundleHttpServiceImpl.java
index 0fea14c..1dc95b2 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/service/PerBundleHttpServiceImpl.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/service/PerBundleHttpServiceImpl.java
@@ -34,8 +34,8 @@
 
 import org.apache.felix.http.api.ExtHttpService;
 import org.apache.felix.http.base.internal.context.ExtServletContext;
-import org.apache.felix.http.base.internal.handler.holder.FilterHolder;
-import org.apache.felix.http.base.internal.handler.holder.HttpServiceFilterHolder;
+import org.apache.felix.http.base.internal.handler.FilterHandler;
+import org.apache.felix.http.base.internal.handler.HttpServiceFilterHandler;
 import org.apache.felix.http.base.internal.logger.SystemLogger;
 import org.apache.felix.http.base.internal.runtime.FilterInfo;
 import org.apache.felix.http.base.internal.runtime.ServletInfo;
@@ -52,7 +52,7 @@
 {
     private final Bundle bundle;
     private final Set<Servlet> localServlets = new HashSet<Servlet>();
-    private final Set<FilterHolder> localFilters = new HashSet<FilterHolder>();
+    private final Set<FilterHandler> localFilters = new HashSet<FilterHandler>();
     private final ServletContextManager contextManager;
     private final SharedHttpServiceImpl sharedHttpService;
 
@@ -123,7 +123,7 @@
         }
 
         final ExtServletContext httpContext = getServletContext(context);
-        final FilterHolder holder = new HttpServiceFilterHolder(0, httpContext, filterInfo, filter);
+        final FilterHandler holder = new HttpServiceFilterHandler(0, httpContext, filterInfo, filter);
 
         if ( this.sharedHttpService.registerFilter(holder) )
         {
@@ -243,8 +243,8 @@
             unregisterServlet(servlet, false);
         }
 
-        final Set<FilterHolder> filters = new HashSet<FilterHolder>(this.localFilters);
-        for (final FilterHolder holder : filters)
+        final Set<FilterHandler> filters = new HashSet<FilterHandler>(this.localFilters);
+        for (final FilterHandler holder : filters)
         {
             this.sharedHttpService.unregisterFilter(holder, false);
         }
@@ -298,10 +298,10 @@
         {
             synchronized ( this.localFilters )
             {
-                final Iterator<FilterHolder> i = this.localFilters.iterator();
+                final Iterator<FilterHandler> i = this.localFilters.iterator();
                 while ( i.hasNext() )
                 {
-                    final FilterHolder h = i.next();
+                    final FilterHandler h = i.next();
                     if ( h.getFilter() == filter )
                     {
                         this.sharedHttpService.unregisterFilter(h, destroy);
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/service/SharedHttpServiceImpl.java b/http/base/src/main/java/org/apache/felix/http/base/internal/service/SharedHttpServiceImpl.java
index bd478f4..95d1842 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/service/SharedHttpServiceImpl.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/service/SharedHttpServiceImpl.java
@@ -25,10 +25,10 @@
 import javax.servlet.ServletException;
 
 import org.apache.felix.http.base.internal.context.ExtServletContext;
+import org.apache.felix.http.base.internal.handler.FilterHandler;
 import org.apache.felix.http.base.internal.handler.HandlerRegistry;
-import org.apache.felix.http.base.internal.handler.holder.FilterHolder;
-import org.apache.felix.http.base.internal.handler.holder.HttpServiceServletHolder;
-import org.apache.felix.http.base.internal.handler.holder.ServletHolder;
+import org.apache.felix.http.base.internal.handler.HttpServiceServletHandler;
+import org.apache.felix.http.base.internal.handler.ServletHandler;
 import org.apache.felix.http.base.internal.runtime.ServletInfo;
 import org.osgi.service.http.NamespaceException;
 
@@ -36,7 +36,7 @@
 {
     private final HandlerRegistry handlerRegistry;
 
-    private final Map<String, ServletHolder> aliasMap = new HashMap<String, ServletHolder>();
+    private final Map<String, ServletHandler> aliasMap = new HashMap<String, ServletHandler>();
 
     public SharedHttpServiceImpl(final HandlerRegistry handlerRegistry)
     {
@@ -51,7 +51,7 @@
     /**
      * Register a filter
      */
-    public boolean registerFilter(@Nonnull final FilterHolder holder)
+    public boolean registerFilter(@Nonnull final FilterHandler holder)
     {
         this.handlerRegistry.addFilter(holder);
         return true;
@@ -65,7 +65,7 @@
             @Nonnull final Servlet servlet,
             @Nonnull final ServletInfo servletInfo) throws ServletException, NamespaceException
     {
-        final ServletHolder holder = new HttpServiceServletHolder(0, httpContext, servletInfo, servlet);
+        final ServletHandler holder = new HttpServiceServletHandler(0, httpContext, servletInfo, servlet);
 
         synchronized (this.aliasMap)
         {
@@ -86,7 +86,7 @@
     {
         synchronized (this.aliasMap)
         {
-            final ServletHolder holder = this.aliasMap.remove(alias);
+            final ServletHandler holder = this.aliasMap.remove(alias);
             if (holder == null)
             {
                 throw new IllegalArgumentException("Nothing registered at " + alias);
@@ -104,10 +104,10 @@
         {
             synchronized (this.aliasMap)
             {
-                final Iterator<Map.Entry<String, ServletHolder>> i = this.aliasMap.entrySet().iterator();
+                final Iterator<Map.Entry<String, ServletHandler>> i = this.aliasMap.entrySet().iterator();
                 while (i.hasNext())
                 {
-                    final Map.Entry<String, ServletHolder> entry = i.next();
+                    final Map.Entry<String, ServletHandler> entry = i.next();
                     if (entry.getValue().getServlet() == servlet)
                     {
                         this.handlerRegistry.removeServlet(0, entry.getValue().getServletInfo(), destroy);
@@ -121,7 +121,7 @@
         }
     }
 
-    public void unregisterFilter(final FilterHolder filter, final boolean destroy)
+    public void unregisterFilter(final FilterHandler filter, final boolean destroy)
     {
         if (filter != null)
         {
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/WhiteboardHttpService.java b/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/WhiteboardHttpService.java
index d14f591..40f25ae 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/WhiteboardHttpService.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/WhiteboardHttpService.java
@@ -18,12 +18,12 @@
 
 import javax.annotation.Nonnull;
 
+import org.apache.felix.http.base.internal.handler.FilterHandler;
 import org.apache.felix.http.base.internal.handler.HandlerRegistry;
-import org.apache.felix.http.base.internal.handler.holder.FilterHolder;
-import org.apache.felix.http.base.internal.handler.holder.HttpServiceServletHolder;
-import org.apache.felix.http.base.internal.handler.holder.ServletHolder;
-import org.apache.felix.http.base.internal.handler.holder.WhiteboardFilterHolder;
-import org.apache.felix.http.base.internal.handler.holder.WhiteboardServletHolder;
+import org.apache.felix.http.base.internal.handler.HttpServiceServletHandler;
+import org.apache.felix.http.base.internal.handler.ServletHandler;
+import org.apache.felix.http.base.internal.handler.WhiteboardFilterHandler;
+import org.apache.felix.http.base.internal.handler.WhiteboardServletHandler;
 import org.apache.felix.http.base.internal.runtime.FilterInfo;
 import org.apache.felix.http.base.internal.runtime.ResourceInfo;
 import org.apache.felix.http.base.internal.runtime.ServletInfo;
@@ -56,7 +56,7 @@
     public void registerServlet(@Nonnull final ContextHandler contextHandler,
             @Nonnull final ServletInfo servletInfo)
     {
-        final ServletHolder holder = new WhiteboardServletHolder(
+        final ServletHandler holder = new WhiteboardServletHandler(
                 contextHandler.getContextInfo().getServiceId(),
                 contextHandler.getServletContext(servletInfo.getServiceReference().getBundle()),
                 servletInfo, bundleContext);
@@ -83,7 +83,7 @@
     public void registerFilter(@Nonnull  final ContextHandler contextHandler,
             @Nonnull final FilterInfo filterInfo)
     {
-        final FilterHolder holder = new WhiteboardFilterHolder(
+        final FilterHandler holder = new WhiteboardFilterHandler(
                 contextHandler.getContextInfo().getServiceId(),
                 contextHandler.getServletContext(filterInfo.getServiceReference().getBundle()),
                 filterInfo, bundleContext);
@@ -112,7 +112,7 @@
     {
         final ServletInfo servletInfo = new ServletInfo(resourceInfo);
 
-        final ServletHolder holder = new HttpServiceServletHolder(
+        final ServletHandler holder = new HttpServiceServletHandler(
                 contextHandler.getContextInfo().getServiceId(),
                 contextHandler.getServletContext(servletInfo.getServiceReference().getBundle()),
                 servletInfo, new ResourceServlet(resourceInfo.getPrefix()));
diff --git a/http/base/src/test/java/org/apache/felix/http/base/internal/handler/AbstractHandlerTest.java b/http/base/src/test/java/org/apache/felix/http/base/internal/handler/AbstractHandlerTest.java
deleted file mode 100644
index a820be3..0000000
--- a/http/base/src/test/java/org/apache/felix/http/base/internal/handler/AbstractHandlerTest.java
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.felix.http.base.internal.handler;
-
-import java.util.Hashtable;
-import java.util.Map;
-
-import org.apache.felix.http.base.internal.context.ExtServletContext;
-import org.junit.Assert;
-import org.junit.Test;
-import org.mockito.Mockito;
-
-public abstract class AbstractHandlerTest
-{
-    protected ExtServletContext context;
-
-    protected abstract AbstractHandler createHandler();
-
-    protected abstract AbstractHandler createHandler(Map<String, String> map);
-
-    public void setUp()
-    {
-        this.context = Mockito.mock(ExtServletContext.class);
-    }
-
-    @Test
-    public void testId()
-    {
-        AbstractHandler h1 = createHandler();
-        AbstractHandler h2 = createHandler();
-
-        Assert.assertTrue(h1.getServiceId() < 0);
-        Assert.assertTrue(h2.getServiceId() < 0);
-        Assert.assertFalse(h1.getServiceId() == h2.getServiceId());
-    }
-
-    @Test
-    public void testInitParams()
-    {
-        AbstractHandler handler = createHandler();
-        Assert.assertEquals(0, handler.getInitParams().size());
-
-        Map<String, String> map = new Hashtable<String, String>();
-        map.put("key1", "value1");
-
-        handler = createHandler(map);
-        Assert.assertEquals(1, handler.getInitParams().size());
-        Assert.assertEquals("value1", handler.getInitParams().get("key1"));
-    }
-}
diff --git a/http/base/src/test/java/org/apache/felix/http/base/internal/handler/FilterHandlerTest.java b/http/base/src/test/java/org/apache/felix/http/base/internal/handler/FilterHandlerTest.java
index f186e7b..d53a195 100644
--- a/http/base/src/test/java/org/apache/felix/http/base/internal/handler/FilterHandlerTest.java
+++ b/http/base/src/test/java/org/apache/felix/http/base/internal/handler/FilterHandlerTest.java
@@ -38,9 +38,6 @@
 
 import org.apache.felix.http.base.internal.context.ExtServletContext;
 import org.apache.felix.http.base.internal.dispatch.InvocationChain;
-import org.apache.felix.http.base.internal.handler.holder.FilterHolder;
-import org.apache.felix.http.base.internal.handler.holder.HttpServiceFilterHolder;
-import org.apache.felix.http.base.internal.handler.holder.ServletHolder;
 import org.apache.felix.http.base.internal.runtime.FilterInfo;
 import org.junit.Before;
 import org.junit.Test;
@@ -62,9 +59,9 @@
     @Test
     public void testCompare()
     {
-        FilterHolder h1 = createHandler(0, "a");
-        FilterHolder h2 = createHandler(10, "b");
-        FilterHolder h3 = createHandler(10, "c");
+        FilterHandler h1 = createHandler(0, "a");
+        FilterHandler h2 = createHandler(10, "b");
+        FilterHandler h3 = createHandler(10, "c");
 
         assertTrue(h1.compareTo(h1) == 0);
 
@@ -79,7 +76,7 @@
     @Test
     public void testDestroy()
     {
-        FilterHolder h1 = createHandler(0, "/a");
+        FilterHandler h1 = createHandler(0, "/a");
         h1.init();
         h1.destroy();
         verify(this.filter).destroy();
@@ -88,7 +85,7 @@
     @Test
     public void testHandleFound() throws Exception
     {
-        FilterHolder h1 = createHandler(0, "/a");
+        FilterHandler h1 = createHandler(0, "/a");
         HttpServletRequest req = createServletRequest();
         HttpServletResponse res = createServletResponse();
         FilterChain chain = mock(FilterChain.class);
@@ -104,7 +101,7 @@
     @Test
     public void testHandleFoundContextRoot() throws Exception
     {
-        FilterHolder h1 = createHandler(0, "/");
+        FilterHandler h1 = createHandler(0, "/");
         HttpServletRequest req = createServletRequest();
         HttpServletResponse res = createServletResponse();
         FilterChain chain = mock(FilterChain.class);
@@ -123,10 +120,10 @@
     @Test
     public void testHandleFoundForbidden() throws Exception
     {
-        FilterHolder h1 = createHandler(0, "/a");
-        final ServletHolder sc = mock(ServletHolder.class);
+        FilterHandler h1 = createHandler(0, "/a");
+        final ServletHandler sc = mock(ServletHandler.class);
         when(sc.getContext()).thenReturn(this.context);
-        final InvocationChain ic = new InvocationChain(sc, new FilterHolder[] {h1});
+        final InvocationChain ic = new InvocationChain(sc, new FilterHandler[] {h1});
         HttpServletRequest req = createServletRequest();
         HttpServletResponse res = createServletResponse();
 
@@ -149,10 +146,10 @@
     @Test
     public void testHandleFoundForbiddenCommittedOwnResponse() throws Exception
     {
-        FilterHolder h1 = createHandler(0, "/a");
-        final ServletHolder sc = mock(ServletHolder.class);
+        FilterHandler h1 = createHandler(0, "/a");
+        final ServletHandler sc = mock(ServletHandler.class);
         when(sc.getContext()).thenReturn(this.context);
-        final InvocationChain ic = new InvocationChain(sc, new FilterHolder[] {h1});
+        final InvocationChain ic = new InvocationChain(sc, new FilterHandler[] {h1});
         HttpServletRequest req = createServletRequest();
         HttpServletResponse res = createServletResponse();
 
@@ -176,10 +173,10 @@
     @Test
     public void testHandleFoundForbiddenCustomStatusCode() throws Exception
     {
-        FilterHolder h1 = createHandler(0, "/a");
-        final ServletHolder sc = mock(ServletHolder.class);
+        FilterHandler h1 = createHandler(0, "/a");
+        final ServletHandler sc = mock(ServletHandler.class);
         when(sc.getContext()).thenReturn(this.context);
-        final InvocationChain ic = new InvocationChain(sc, new FilterHolder[] {h1});
+        final InvocationChain ic = new InvocationChain(sc, new FilterHandler[] {h1});
         HttpServletRequest req = createServletRequest();
         HttpServletResponse res = createServletResponse();
 
@@ -200,10 +197,10 @@
     @Test
     public void testHandleNotFound() throws Exception
     {
-        FilterHolder h1 = createHandler(0, "/a");
-        final ServletHolder sc = mock(ServletHolder.class);
+        FilterHandler h1 = createHandler(0, "/a");
+        final ServletHandler sc = mock(ServletHandler.class);
         when(sc.getContext()).thenReturn(this.context);
-        final InvocationChain ic = new InvocationChain(sc, new FilterHolder[] {h1});
+        final InvocationChain ic = new InvocationChain(sc, new FilterHandler[] {h1});
         HttpServletRequest req = createServletRequest();
         HttpServletResponse res = createServletResponse();
 
@@ -216,10 +213,10 @@
     @Test
     public void testHandleNotFoundContextRoot() throws Exception
     {
-        FilterHolder h1 = createHandler(0, "/a");
-        final ServletHolder sc = mock(ServletHolder.class);
+        FilterHandler h1 = createHandler(0, "/a");
+        final ServletHandler sc = mock(ServletHandler.class);
         when(sc.getContext()).thenReturn(this.context);
-        final InvocationChain ic = new InvocationChain(sc, new FilterHolder[] {h1});
+        final InvocationChain ic = new InvocationChain(sc, new FilterHandler[] {h1});
         HttpServletRequest req = createServletRequest();
         HttpServletResponse res = createServletResponse();
 
@@ -232,24 +229,24 @@
     @Test
     public void testInit() throws Exception
     {
-        FilterHolder h1 = createHandler(0, "/a");
+        FilterHandler h1 = createHandler(0, "/a");
         h1.init();
         verify(this.filter).init(any(FilterConfig.class));
     }
 
-    private FilterHolder createHandler(int ranking, String pattern)
+    private FilterHandler createHandler(int ranking, String pattern)
     {
         return createHandler(pattern, ranking, null);
     }
 
-    private FilterHolder createHandler(String pattern, int ranking, Map<String, String> initParams)
+    private FilterHandler createHandler(String pattern, int ranking, Map<String, String> initParams)
     {
         if ( initParams == null )
         {
             initParams = Collections.emptyMap();
         }
         final FilterInfo info = new FilterInfo(null, pattern, ranking, initParams);
-        return new HttpServiceFilterHolder(0, this.context, info, this.filter);
+        return new HttpServiceFilterHandler(0, this.context, info, this.filter);
     }
 
     private HttpServletRequest createServletRequest()
diff --git a/http/base/src/test/java/org/apache/felix/http/base/internal/handler/HandlerRankingMultimapTest.java b/http/base/src/test/java/org/apache/felix/http/base/internal/handler/HandlerRankingMultimapTest.java
deleted file mode 100644
index 5fc66b6..0000000
--- a/http/base/src/test/java/org/apache/felix/http/base/internal/handler/HandlerRankingMultimapTest.java
+++ /dev/null
@@ -1,385 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.felix.http.base.internal.handler;
-
-import static java.util.Arrays.asList;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertThat;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.Matchers.any;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-
-import java.util.Comparator;
-import java.util.List;
-import java.util.Map;
-
-import javax.servlet.ServletException;
-
-import org.apache.felix.http.base.internal.handler.HandlerRankingMultimap.Update;
-import org.hamcrest.Matcher;
-import org.hamcrest.Matchers;
-import org.junit.Before;
-import org.junit.Test;
-
-@SuppressWarnings("unchecked")
-public class HandlerRankingMultimapTest
-{
-    private HandlerRankingMultimap<String> handlerMultimap;
-
-    @Before
-    public void setup()
-    {
-        handlerMultimap = new HandlerRankingMultimap<String>();
-    }
-
-    @Test
-    public void addedInfoIsUsed() throws ServletException
-    {
-        TestHandler<String> handler = TestHandler.create(asList("a"), 0);
-        Update<String> update = handlerMultimap.add(handler.getKeys(), handler);
-
-        assertEquals(1, handlerMultimap.size());
-        assertTrue(handlerMultimap.isActive(handler));
-
-        assertEquals(1, update.getActivated().size());
-        assertThat(update.getActivated(), hasEntry("a", handler));
-        assertTrue(update.getDeactivated().isEmpty());
-
-        assertEquals(1, update.getInit().size());
-        assertThat(update.getInit(), contains(handler));
-        assertTrue(update.getDestroy().isEmpty());
-    }
-
-    @Test
-    public void highestPriorityServiceIsUsed() throws ServletException
-    {
-        TestHandler<String> higher = TestHandler.create(asList("a"), 1);
-        TestHandler<String> lower = TestHandler.create(asList("a"), 0);
-
-        handlerMultimap.add(lower.getKeys(), lower);
-
-        Update<String> updateAddingHigher = handlerMultimap.add(higher.getKeys(), higher);
-
-        assertTrue(handlerMultimap.isActive(higher));
-        assertFalse(handlerMultimap.isActive(lower));
-
-        assertEquals(1, updateAddingHigher.getActivated().size());
-        assertThat(updateAddingHigher.getActivated(), hasEntry("a", higher));
-        assertEquals(1, updateAddingHigher.getDeactivated().size());
-        assertThat(updateAddingHigher.getDeactivated(), hasEntry("a", lower));
-
-        assertEquals(1, updateAddingHigher.getInit().size());
-        assertThat(updateAddingHigher.getInit(), contains(higher));
-        assertEquals(1, updateAddingHigher.getDestroy().size());
-        assertThat(updateAddingHigher.getDestroy(), contains(lower));
-    }
-
-    @Test
-    public void removeHighestPriorityService() throws ServletException
-    {
-        TestHandler<String> higher = TestHandler.create(asList("a"), 1);
-        TestHandler<String> lower = TestHandler.create(asList("a"), 0);
-
-        handlerMultimap.add(lower.getKeys(), lower);
-        handlerMultimap.add(higher.getKeys(), higher);
-
-        Update<String> update = handlerMultimap.remove(higher.getKeys(), higher);
-
-        assertFalse(handlerMultimap.isActive(higher));
-        assertTrue(handlerMultimap.isActive(lower));
-
-        assertEquals(1, update.getActivated().size());
-        assertThat(update.getActivated(), hasEntry("a", lower));
-        assertEquals(1, update.getDeactivated().size());
-        assertThat(update.getDeactivated(), hasEntry("a", higher));
-
-        assertEquals(1, update.getInit().size());
-        assertThat(update.getInit(), contains(lower));
-        assertEquals(1, update.getDestroy().size());
-        assertThat(update.getDestroy(), contains(higher));
-    }
-
-    @Test
-    public void removeLowerPriorityService() throws ServletException
-    {
-        TestHandler<String> higher = TestHandler.create(asList("a"), 1);
-        TestHandler<String> lower = TestHandler.create(asList("a"), 0);
-
-        handlerMultimap.add(lower.getKeys(), higher);
-        handlerMultimap.add(higher.getKeys(), lower);
-
-        Update<String> update = handlerMultimap.remove(lower.getKeys(), lower);
-
-        assertTrue(handlerMultimap.isActive(higher));
-        assertFalse(handlerMultimap.isActive(lower));
-
-        assertTrue(update.getActivated().isEmpty());
-        assertTrue(update.getDeactivated().isEmpty());
-
-        assertTrue(update.getInit().isEmpty());
-        assertTrue(update.getDestroy().isEmpty());
-    }
-
-    @Test
-    public void addServiceWithMultipleKeys() throws ServletException
-    {
-        TestHandler<String> handler = TestHandler.create(asList("a", "b"), 0);
-
-        Update<String> update = handlerMultimap.add(handler.getKeys(), handler);
-
-        assertTrue(handlerMultimap.isActive(handler));
-
-        assertEquals(2, update.getActivated().size());
-        assertThat(update.getActivated(), hasEntry("a", handler));
-        assertThat(update.getActivated(), hasEntry("b", handler));
-        assertTrue(update.getDeactivated().isEmpty());
-
-        assertEquals(1, update.getInit().size());
-        assertThat(update.getInit(), contains(handler));
-    }
-
-    @Test
-    public void addServiceWithMultipleKeysShadowsAllKeys() throws ServletException
-    {
-        TestHandler<String> higher = TestHandler.create(asList("a", "b", "c"), 1);
-        TestHandler<String> lower = TestHandler.create(asList("a", "b"), 0);
-
-        handlerMultimap.add(lower.getKeys(), lower);
-
-        Update<String> updateWithHigher = handlerMultimap.add(higher.getKeys(), higher);
-
-        assertTrue(handlerMultimap.isActive(higher));
-        assertFalse(handlerMultimap.isActive(lower));
-
-        assertEquals(3, updateWithHigher.getActivated().size());
-        assertThat(updateWithHigher.getActivated(), hasEntry("a", higher));
-        assertThat(updateWithHigher.getActivated(), hasEntry("b", higher));
-        assertThat(updateWithHigher.getActivated(), hasEntry("c", higher));
-        assertEquals(2, updateWithHigher.getDeactivated().size());
-        assertThat(updateWithHigher.getDeactivated(), hasEntry("a", lower));
-        assertThat(updateWithHigher.getDeactivated(), hasEntry("b", lower));
-
-        assertEquals(1, updateWithHigher.getInit().size());
-        assertThat(updateWithHigher.getInit(), contains(higher));
-        assertEquals(1, updateWithHigher.getDestroy().size());
-        assertThat(updateWithHigher.getDestroy(), contains(lower));
-    }
-
-    @Test
-    public void addServiceWithMultipleKeysShadowsPartially() throws ServletException
-    {
-        TestHandler<String> higher = TestHandler.create(asList("a", "c"), 1);
-        TestHandler<String> lower = TestHandler.create(asList("a", "b"), 0);
-
-        handlerMultimap.add(lower.getKeys(), lower);
-
-        Update<String> updateWithHigher = handlerMultimap.add(higher.getKeys(), higher);
-
-        assertTrue(handlerMultimap.isActive(higher));
-        assertTrue(handlerMultimap.isActive(lower));
-
-        assertEquals(2, updateWithHigher.getActivated().size());
-        assertThat(updateWithHigher.getActivated(), hasEntry("a", higher));
-        assertThat(updateWithHigher.getActivated(), hasEntry("c", higher));
-        assertEquals(1, updateWithHigher.getDeactivated().size());
-        assertThat(updateWithHigher.getDeactivated(), hasEntry("a", lower));
-
-        assertEquals(1, updateWithHigher.getInit().size());
-        assertThat(updateWithHigher.getInit(), contains(higher));
-        assertTrue(updateWithHigher.getDestroy().isEmpty());
-    }
-
-    @Test
-    public void addServiceWithMultipleKeysIsCompletelyShadowed() throws ServletException
-    {
-        TestHandler<String> higher = TestHandler.create(asList("a", "b", "c"), 1);
-        TestHandler<String> lower = TestHandler.create(asList("a", "b"), 0);
-
-        handlerMultimap.add(higher.getKeys(), higher);
-
-        Update<String> updateWithLower = handlerMultimap.add(lower.getKeys(), lower);
-
-        assertTrue(handlerMultimap.isActive(higher));
-        assertFalse(handlerMultimap.isActive(lower));
-
-        assertTrue(updateWithLower.getActivated().isEmpty());
-        assertTrue(updateWithLower.getDeactivated().isEmpty());
-
-        assertTrue(updateWithLower.getInit().isEmpty());
-        assertTrue(updateWithLower.getDestroy().isEmpty());
-    }
-
-    @Test
-    public void sizeReturnsAllEntries() throws ServletException
-    {
-        TestHandler<String> higher = TestHandler.create(asList("a", "b", "c"), 1);
-        TestHandler<String> lower = TestHandler.create(asList("a", "b"), 0);
-        TestHandler<String> third = TestHandler.create(asList("d"), 3);
-
-        assertEquals(0 , handlerMultimap.size());
-
-        handlerMultimap.add(lower.getKeys(), lower);
-
-        assertEquals(1, handlerMultimap.size());
-
-        handlerMultimap.add(higher.getKeys(), higher);
-
-        assertEquals(2, handlerMultimap.size());
-
-        handlerMultimap.add(third.getKeys(), third);
-
-        assertEquals(3, handlerMultimap.size());
-
-        handlerMultimap.remove(lower.getKeys(), lower);
-
-        assertEquals(2, handlerMultimap.size());
-
-        handlerMultimap.remove(higher.getKeys(), higher);
-
-        assertEquals(1, handlerMultimap.size());
-
-        handlerMultimap.remove(third.getKeys(), third);
-
-        assertEquals(0, handlerMultimap.size());
-    }
-
-    public void getActiveValuesContainsAllHeads()
-    {
-        TestHandler<String> one = TestHandler.create(asList("a", "b", "c"), 1);
-        TestHandler<String> two = TestHandler.create(asList("a", "b"), 0);
-        TestHandler<String> three = TestHandler.create(asList("c, e"), 3);
-        TestHandler<String> four = TestHandler.create(asList("d"), 3);
-
-        handlerMultimap.add(one.getKeys(), one);
-        handlerMultimap.add(two.getKeys(), two);
-        handlerMultimap.add(three.getKeys(), three);
-        handlerMultimap.add(four.getKeys(), four);
-
-        assertEquals(3, handlerMultimap.getActiveValues());
-        assertTrue(handlerMultimap.getActiveValues().contains(one));
-        assertTrue(handlerMultimap.getActiveValues().contains(three));
-        assertTrue(handlerMultimap.getActiveValues().contains(four));
-    }
-
-    public void getShadowedValuesContainsAllTails()
-    {
-        TestHandler<String> one = TestHandler.create(asList("a", "b", "c"), 1);
-        TestHandler<String> two = TestHandler.create(asList("a", "b"), 0);
-        TestHandler<String> three = TestHandler.create(asList("a"), -1);
-        TestHandler<String> four = TestHandler.create(asList("c, e"), 3);
-        TestHandler<String> five = TestHandler.create(asList("d"), 3);
-
-        handlerMultimap.add(one.getKeys(), one);
-        handlerMultimap.add(two.getKeys(), two);
-        handlerMultimap.add(three.getKeys(), three);
-        handlerMultimap.add(four.getKeys(), four);
-        handlerMultimap.add(five.getKeys(), five);
-
-        assertEquals(3, handlerMultimap.getActiveValues());
-        assertTrue(handlerMultimap.getActiveValues().contains(one));
-        assertTrue(handlerMultimap.getActiveValues().contains(two));
-        assertTrue(handlerMultimap.getActiveValues().contains(three));
-    }
-
-    public void keyComparatorIsUsed()
-    {
-        final Object keyOne = new Object();
-        final Object keyTwo = new Object();
-
-        Comparator<Object> keyComparator = new Comparator<Object>()
-        {
-            @Override
-            public int compare(Object o1, Object o2)
-            {
-                if (o1 == o2)
-                {
-                    return 0;
-                }
-                if (o1 == keyOne && o2 == keyTwo)
-                {
-                    return 1;
-                }
-                if (o1 == keyTwo && o2 == keyOne)
-                {
-                    return -1;
-                }
-                throw new IllegalArgumentException();
-            }
-        };
-
-        HandlerRankingMultimap<Object> multimap = new HandlerRankingMultimap<Object>(keyComparator);
-
-        TestHandler<Object> handlerOne = TestHandler.create(asList(keyOne), 1);
-        TestHandler<Object> handlerTwo = TestHandler.create(asList(keyOne, keyTwo), 0);
-
-        multimap.add(handlerOne.getKeys(), handlerOne);
-        multimap.add(handlerTwo.getKeys(), handlerTwo);
-
-        assertEquals(2, multimap.size());
-        assertEquals(2, multimap.getActiveValues().size());
-        assertTrue(multimap.getActiveValues().contains(keyOne));
-        assertTrue(multimap.getActiveValues().contains(keyTwo));
-        assertEquals(1, multimap.getShadowedValues().size());
-        assertTrue(multimap.getShadowedValues().contains(keyTwo));
-    }
-
-    private static Matcher<Map<? extends String, ? extends ServletHandler>> hasEntry(String key, ServletHandler servletHandler)
-    {
-        return Matchers.hasEntry(key, servletHandler);
-    }
-
-    private static Matcher<Iterable<? extends ServletHandler>> contains(ServletHandler servletHandler)
-    {
-        return Matchers.contains(servletHandler);
-    }
-
-    private static abstract class TestHandler<T> extends ServletHandler
-    {
-        static int idCount = 0;
-
-        TestHandler(List<T> keys, int ranking)
-        {
-            super(0L, null, null);
-        }
-
-        static <T> TestHandler<T> create(List<T> keys, int ranking)
-        {
-            TestHandler<T> testHandler = mock(TestHandler.class);
-            when(testHandler.getId()).thenReturn(++idCount);
-            when(testHandler.getRanking()).thenReturn(ranking);
-            when(testHandler.getKeys()).thenReturn(keys);
-            when(testHandler.compareTo(any(TestHandler.class))).thenCallRealMethod();
-            return testHandler;
-        }
-
-        @Override
-        public int compareTo(ServletHandler o)
-        {
-            TestHandler<T> other = (TestHandler<T>) o;
-            int rankCompare = Integer.compare(other.getRanking(), getRanking());
-            return rankCompare != 0 ? rankCompare : Integer.compare(getId(), other.getId());
-        }
-
-        abstract int getRanking();
-
-        abstract int getId();
-
-        abstract List<T> getKeys();
-    }
-}
diff --git a/http/base/src/test/java/org/apache/felix/http/base/internal/handler/SimpleServletHandlerTest.java b/http/base/src/test/java/org/apache/felix/http/base/internal/handler/HttpServiceServletHandlerTest.java
similarity index 87%
rename from http/base/src/test/java/org/apache/felix/http/base/internal/handler/SimpleServletHandlerTest.java
rename to http/base/src/test/java/org/apache/felix/http/base/internal/handler/HttpServiceServletHandlerTest.java
index 4c7c4aa..ac0c519 100644
--- a/http/base/src/test/java/org/apache/felix/http/base/internal/handler/SimpleServletHandlerTest.java
+++ b/http/base/src/test/java/org/apache/felix/http/base/internal/handler/HttpServiceServletHandlerTest.java
@@ -36,15 +36,12 @@
 
 import org.apache.felix.http.base.internal.context.ExtServletContext;
 import org.apache.felix.http.base.internal.dispatch.InvocationChain;
-import org.apache.felix.http.base.internal.handler.holder.FilterHolder;
-import org.apache.felix.http.base.internal.handler.holder.HttpServiceServletHolder;
-import org.apache.felix.http.base.internal.handler.holder.ServletHolder;
 import org.apache.felix.http.base.internal.runtime.ServletInfo;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.Mockito;
 
-public class SimpleServletHandlerTest
+public class HttpServiceServletHandlerTest
 {
     private Servlet servlet;
 
@@ -60,7 +57,7 @@
     @Test
     public void testDestroy()
     {
-        ServletHolder h1 = createHandler("/a");
+        ServletHandler h1 = createHandler("/a");
         h1.init();
         h1.destroy();
         verify(this.servlet).destroy();
@@ -69,8 +66,8 @@
     @Test
     public void testHandleFound() throws Exception
     {
-        ServletHolder h1 = createHandler("/a");
-        final InvocationChain ic = new InvocationChain(h1, new FilterHolder[0]);
+        ServletHandler h1 = createHandler("/a");
+        final InvocationChain ic = new InvocationChain(h1, new FilterHandler[0]);
         HttpServletRequest req = mock(HttpServletRequest.class);
         HttpServletResponse res = mock(HttpServletResponse.class);
         when(this.context.handleSecurity(req, res)).thenReturn(true);
@@ -85,8 +82,8 @@
     @Test
     public void testHandleFoundContextRoot() throws Exception
     {
-        ServletHolder h1 = createHandler("/");
-        final InvocationChain ic = new InvocationChain(h1, new FilterHolder[0]);
+        ServletHandler h1 = createHandler("/");
+        final InvocationChain ic = new InvocationChain(h1, new FilterHandler[0]);
         HttpServletRequest req = mock(HttpServletRequest.class);
         HttpServletResponse res = mock(HttpServletResponse.class);
         when(this.context.handleSecurity(req, res)).thenReturn(true);
@@ -104,8 +101,8 @@
     @Test
     public void testHandleFoundForbidden() throws Exception
     {
-        ServletHolder h1 = createHandler("/a");
-        final InvocationChain ic = new InvocationChain(h1, new FilterHolder[0]);
+        ServletHandler h1 = createHandler("/a");
+        final InvocationChain ic = new InvocationChain(h1, new FilterHandler[0]);
         HttpServletRequest req = mock(HttpServletRequest.class);
         HttpServletResponse res = mock(HttpServletResponse.class);
 
@@ -130,8 +127,8 @@
     @Test
     public void testHandleFoundForbiddenCommittedOwnResponse() throws Exception
     {
-        ServletHolder h1 = createHandler("/a");
-        final InvocationChain ic = new InvocationChain(h1, new FilterHolder[0]);
+        ServletHandler h1 = createHandler("/a");
+        final InvocationChain ic = new InvocationChain(h1, new FilterHandler[0]);
         HttpServletRequest req = mock(HttpServletRequest.class);
         HttpServletResponse res = mock(HttpServletResponse.class);
 
@@ -156,8 +153,8 @@
     @Test
     public void testHandleFoundForbiddenCustomStatusCode() throws Exception
     {
-        ServletHolder h1 = createHandler("/a");
-        final InvocationChain ic = new InvocationChain(h1, new FilterHolder[0]);
+        ServletHandler h1 = createHandler("/a");
+        final InvocationChain ic = new InvocationChain(h1, new FilterHandler[0]);
         HttpServletRequest req = mock(HttpServletRequest.class);
         HttpServletResponse res = mock(HttpServletResponse.class);
 
@@ -179,8 +176,8 @@
     @Test
     public void testHandleNotFound() throws Exception
     {
-        ServletHolder h1 = createHandler("/a");
-        final InvocationChain ic = new InvocationChain(h1, new FilterHolder[0]);
+        ServletHandler h1 = createHandler("/a");
+        final InvocationChain ic = new InvocationChain(h1, new FilterHandler[0]);
         HttpServletRequest req = mock(HttpServletRequest.class);
         HttpServletResponse res = mock(HttpServletResponse.class);
 
@@ -193,7 +190,7 @@
     @Test
     public void testHandleNotFoundContextRoot() throws Exception
     {
-        ServletHolder h1 = createHandler("/a");
+        ServletHandler h1 = createHandler("/a");
         HttpServletRequest req = mock(HttpServletRequest.class);
         HttpServletResponse res = mock(HttpServletResponse.class);
         when(this.context.handleSecurity(req, res)).thenReturn(true);
@@ -207,23 +204,23 @@
     @Test
     public void testInit() throws Exception
     {
-        ServletHolder h1 = createHandler("/a");
+        ServletHandler h1 = createHandler("/a");
         h1.init();
         verify(this.servlet).init(any(ServletConfig.class));
     }
 
-    private ServletHolder createHandler(String alias)
+    private ServletHandler createHandler(String alias)
     {
         return createHandler(alias, null);
     }
 
-    private ServletHolder createHandler(String alias, Map<String, String> map)
+    private ServletHandler createHandler(String alias, Map<String, String> map)
     {
         if ( map == null )
         {
             map = Collections.emptyMap();
         }
         final ServletInfo info = new ServletInfo(null, alias, 0, map);
-        return new HttpServiceServletHolder(3, this.context, info, this.servlet);
+        return new HttpServiceServletHandler(3, this.context, info, this.servlet);
     }
 }
diff --git a/http/base/src/test/java/org/apache/felix/http/base/internal/registry/ServletRegistryTest.java b/http/base/src/test/java/org/apache/felix/http/base/internal/registry/ServletRegistryTest.java
index 3f050e4..bca0be2 100644
--- a/http/base/src/test/java/org/apache/felix/http/base/internal/registry/ServletRegistryTest.java
+++ b/http/base/src/test/java/org/apache/felix/http/base/internal/registry/ServletRegistryTest.java
@@ -30,8 +30,8 @@
 import javax.servlet.ServletException;
 
 import org.apache.felix.http.base.internal.context.ExtServletContext;
-import org.apache.felix.http.base.internal.handler.holder.HttpServiceServletHolder;
-import org.apache.felix.http.base.internal.handler.holder.ServletHolder;
+import org.apache.felix.http.base.internal.handler.HttpServiceServletHandler;
+import org.apache.felix.http.base.internal.handler.ServletHandler;
 import org.apache.felix.http.base.internal.runtime.ServletInfo;
 import org.junit.Test;
 import org.mockito.Matchers;
@@ -54,7 +54,7 @@
         assertEquals(0, status.size());
 
         // register servlet
-        final ServletHolder h1 = createServletHolder(1L, 0, "/foo");
+        final ServletHandler h1 = createServletHandler(1L, 0, "/foo");
         reg.addServlet(h1);
 
         verify(h1.getServlet()).init(Matchers.any(ServletConfig.class));
@@ -82,11 +82,11 @@
         assertEquals(0, status.size());
 
         // register servlets
-        final ServletHolder h1 = createServletHolder(1L, 10, "/foo");
+        final ServletHandler h1 = createServletHandler(1L, 10, "/foo");
         reg.addServlet(h1);
         verify(h1.getServlet()).init(Matchers.any(ServletConfig.class));
 
-        final ServletHolder h2 = createServletHolder(2L, 0, "/foo");
+        final ServletHandler h2 = createServletHandler(2L, 0, "/foo");
         reg.addServlet(h2);
         verify(h2.getServlet(), never()).init(Matchers.any(ServletConfig.class));
         verify(h1.getServlet(), never()).destroy();
@@ -145,12 +145,12 @@
         return si;
     }
 
-    private static ServletHolder createServletHolder(final long id, final int ranking, final String... paths) throws InvalidSyntaxException
+    private static ServletHandler createServletHandler(final long id, final int ranking, final String... paths) throws InvalidSyntaxException
     {
         final ServletInfo si = createServletInfo(id, ranking, paths);
         final ExtServletContext ctx = mock(ExtServletContext.class);
         final Servlet servlet = mock(Servlet.class);
 
-        return new HttpServiceServletHolder(7, ctx, si, servlet);
+        return new HttpServiceServletHandler(7, ctx, si, servlet);
     }
 }
diff --git a/http/base/src/test/java/org/apache/felix/http/base/internal/runtime/WhiteboardServiceHelper.java b/http/base/src/test/java/org/apache/felix/http/base/internal/runtime/WhiteboardServiceHelper.java
index 14699c6..d7a85f0 100644
--- a/http/base/src/test/java/org/apache/felix/http/base/internal/runtime/WhiteboardServiceHelper.java
+++ b/http/base/src/test/java/org/apache/felix/http/base/internal/runtime/WhiteboardServiceHelper.java
@@ -32,8 +32,8 @@
 import javax.servlet.Servlet;
 
 import org.apache.felix.http.base.internal.context.ExtServletContext;
-import org.apache.felix.http.base.internal.handler.FilterHandler;
-import org.apache.felix.http.base.internal.handler.SimpleServletHandler;
+import org.apache.felix.http.base.internal.handler.HttpServiceFilterHandler;
+import org.apache.felix.http.base.internal.handler.HttpServiceServletHandler;
 import org.apache.felix.http.base.internal.runtime.dto.ErrorPageRuntime;
 import org.apache.felix.http.base.internal.runtime.dto.FilterRuntime;
 import org.apache.felix.http.base.internal.runtime.dto.ServletRuntime;
@@ -60,7 +60,7 @@
             Long serviceId)
     {
         FilterInfo filterInfo = createFilterInfo(identifier, serviceId);
-        return new FilterHandler(null, context, mock(Filter.class), filterInfo);
+        return new HttpServiceFilterHandler(0, context, filterInfo, mock(Filter.class));
     }
 
     private static FilterInfo createFilterInfo(String identifier,
@@ -117,7 +117,7 @@
         ServletInfo servletInfo = createServletInfo(identifier, serviceId);
         Servlet servlet = mock(Servlet.class);
         when(servlet.getServletInfo()).thenReturn("info_" + identifier);
-        return new SimpleServletHandler(contextServiceId, context, servletInfo, servlet);
+        return new HttpServiceServletHandler(contextServiceId, context, servletInfo, servlet);
     }
 
     private static ServletInfo createServletInfo(String identifier, Long serviceId)
diff --git a/http/base/src/test/java/org/apache/felix/http/base/internal/runtime/dto/RuntimeDTOBuilderTest.java b/http/base/src/test/java/org/apache/felix/http/base/internal/runtime/dto/RuntimeDTOBuilderTest.java
index 5d9456c..652c2f7 100644
--- a/http/base/src/test/java/org/apache/felix/http/base/internal/runtime/dto/RuntimeDTOBuilderTest.java
+++ b/http/base/src/test/java/org/apache/felix/http/base/internal/runtime/dto/RuntimeDTOBuilderTest.java
@@ -56,8 +56,8 @@
 import javax.servlet.ServletContext;
 
 import org.apache.felix.http.base.internal.context.ExtServletContext;
-import org.apache.felix.http.base.internal.handler.FilterHandler;
-import org.apache.felix.http.base.internal.handler.SimpleServletHandler;
+import org.apache.felix.http.base.internal.handler.HttpServiceFilterHandler;
+import org.apache.felix.http.base.internal.handler.HttpServiceServletHandler;
 import org.apache.felix.http.base.internal.runtime.AbstractInfo;
 import org.apache.felix.http.base.internal.runtime.FilterInfo;
 import org.apache.felix.http.base.internal.runtime.ServletContextHelperInfo;
@@ -584,7 +584,7 @@
                 true,
                 Collections.<String, String>emptyMap());
         Servlet servlet = mock(Servlet.class);
-        ServletRuntime servletHandler = new SimpleServletHandler(context_0, servletInfo, servlet);
+        ServletRuntime servletHandler = new HttpServiceServletHandler(0, context_0, servletInfo, servlet);
         when(servlet.getServletInfo()).thenReturn("info_0");
 
         FilterInfo filterInfo = createFilterInfo(0,
@@ -596,7 +596,7 @@
                 true,
                 null,
                 Collections.<String, String>emptyMap());
-        FilterRuntime filterHandler = new FilterHandler(null, context_0, mock(Filter.class), filterInfo);
+        FilterRuntime filterHandler = new HttpServiceFilterHandler(0, context_0, filterInfo, mock(Filter.class));
 
         ServletInfo resourceInfo = createServletInfo(0,
                 ID_COUNTER.incrementAndGet(),
@@ -606,7 +606,7 @@
                 true,
                 Collections.<String, String>emptyMap());
         Servlet resource = mock(Servlet.class);
-        ServletRuntime resourceHandler = new SimpleServletHandler(ID_0, context_0, resourceInfo, resource);
+        ServletRuntime resourceHandler = new HttpServiceServletHandler(ID_0, context_0, resourceInfo, resource);
 
         ContextRuntime contextRuntime = new ContextRuntime(asList(filterHandler),
                 Collections.<ErrorPageRuntime>emptyList(),
@@ -665,7 +665,7 @@
                 true,
                 Collections.<String, String>emptyMap());
         Servlet servlet = mock(Servlet.class);
-        ServletRuntime servletHandler = new SimpleServletHandler(ID_0, context_0, servletInfo, servlet);
+        ServletRuntime servletHandler = new HttpServiceServletHandler(ID_0, context_0, servletInfo, servlet);
         when(servlet.getServletInfo()).thenReturn("info_0");
 
         ContextRuntime contextRuntime = new ContextRuntime(Collections.<FilterRuntime>emptyList(),