| /* |
| * 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.jetty; |
| |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.util.Collections; |
| import java.util.Dictionary; |
| import java.util.Enumeration; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Hashtable; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.servlet.RequestDispatcher; |
| import javax.servlet.Servlet; |
| import javax.servlet.ServletContext; |
| import javax.servlet.ServletException; |
| |
| import org.mortbay.jetty.servlet.OsgiResourceHolder; |
| import org.mortbay.jetty.servlet.OsgiServletHandler; |
| import org.mortbay.jetty.servlet.OsgiServletHolder; |
| import org.mortbay.jetty.servlet.ServletHolder; |
| import org.osgi.service.http.HttpContext; |
| |
| |
| public class ServletContextGroup implements ServletContext |
| { |
| /** global pool of all OSGi HttpContext that have been created */ |
| private static Map m_contextMap = new HashMap(); |
| |
| /** global set of all servlet instances that have been registered */ |
| private static Set m_servletSet = new HashSet(); |
| |
| private OsgiServletHandler m_hdlr = null; |
| private HttpContext m_osgiHttpContext = null; |
| private Hashtable m_attributes = null; |
| |
| |
| static void initializeStatics() |
| { |
| m_contextMap.clear(); |
| m_servletSet.clear(); |
| } |
| |
| |
| static ServletContextGroup getServletContextGroup( OsgiServletHandler hdlr, HttpContext osgiHttpContext ) |
| { |
| |
| ServletContextGroup grp = ( ServletContextGroup ) m_contextMap.get( osgiHttpContext ); |
| if ( grp == null ) |
| { |
| grp = new ServletContextGroup( hdlr, osgiHttpContext ); |
| m_contextMap.put( osgiHttpContext, grp ); |
| } |
| |
| return grp; |
| } |
| |
| |
| static boolean isServletRegistered( Servlet servlet ) |
| { |
| return m_servletSet.contains( servlet ); |
| } |
| |
| |
| private ServletContextGroup( OsgiServletHandler hdlr, HttpContext osgiHttpContext ) |
| { |
| init( hdlr, osgiHttpContext ); |
| } |
| |
| |
| private void init( OsgiServletHandler hdlr, HttpContext osgiHttpContext ) |
| { |
| m_hdlr = hdlr; |
| m_osgiHttpContext = osgiHttpContext; |
| |
| m_attributes = new Hashtable(); |
| |
| m_contextMap.put( m_osgiHttpContext, this ); |
| } |
| |
| |
| private void destroy() |
| { |
| m_contextMap.remove( m_osgiHttpContext ); |
| } |
| |
| |
| public HttpContext getOsgiHttpContext() |
| { |
| return m_osgiHttpContext; |
| } |
| |
| |
| void addServlet( Servlet servlet, String alias, Dictionary params ) |
| { |
| String wAlias = aliasWildcard( alias ); |
| ServletHolder holder = new OsgiServletHolder( m_hdlr, servlet, wAlias, this, params ); |
| m_hdlr.addOsgiServletHolder( wAlias, holder ); |
| Activator.debug( " adding servlet instance: " + servlet ); |
| m_servletSet.add( servlet ); |
| } |
| |
| |
| void addResource( String alias, String path ) |
| { |
| String wAlias = aliasWildcard( alias ); |
| ServletHolder holder = new OsgiResourceHolder( m_hdlr, alias, path, this ); |
| m_hdlr.addOsgiServletHolder( wAlias, holder ); |
| Activator.debug( " adding resources for " + wAlias + " at: " + path ); |
| } |
| |
| |
| void remove( String alias, boolean destroy ) |
| { |
| String wAlias = aliasWildcard( alias ); |
| ServletHolder holder = m_hdlr.removeOsgiServletHolder( wAlias ); |
| |
| if ( holder != null ) |
| { |
| try |
| { |
| Servlet servlet = holder.getServlet(); |
| if ( servlet != null ) |
| { |
| Activator.debug( " removing servlet instance: " + servlet ); |
| m_servletSet.remove( servlet ); |
| |
| if ( destroy ) |
| { |
| servlet.destroy(); |
| } |
| |
| if ( m_servletSet.isEmpty() ) |
| { |
| destroy(); |
| } |
| } |
| } |
| catch ( ServletException se ) |
| { |
| // may only be thrown if servlet in holder is null |
| } |
| } |
| } |
| |
| |
| private String aliasWildcard( String alias ) |
| { |
| // add wilcard filter at the end of the alias to allow servlet to |
| // get requests which include sub-paths |
| return "/".equals( alias ) ? "/*" : alias + "/*"; |
| } |
| |
| |
| // ServletContext interface for OSGi servlets |
| |
| public ServletContext getContext( String contextName ) |
| { |
| return m_hdlr.getServletContext().getContext( contextName ); |
| } |
| |
| |
| public int getMajorVersion() |
| { |
| return m_hdlr.getServletContext().getMajorVersion(); |
| } |
| |
| |
| public int getMinorVersion() |
| { |
| return m_hdlr.getServletContext().getMinorVersion(); |
| } |
| |
| |
| public String getContextPath() |
| { |
| return m_hdlr.getServletContext().getContextPath(); |
| } |
| |
| |
| public String getMimeType( String file ) |
| { |
| String type = m_osgiHttpContext.getMimeType( file ); |
| if ( type != null ) |
| { |
| return type; |
| } |
| |
| return m_hdlr.getServletContext().getMimeType( file ); |
| } |
| |
| |
| public String getRealPath( String path ) |
| { |
| // resources are contained in the bundle and thus are not |
| // available as normal files in the platform filesystem |
| return null; |
| } |
| |
| |
| public URL getResource( String path ) |
| { |
| return m_osgiHttpContext.getResource( path ); |
| } |
| |
| |
| public InputStream getResourceAsStream( String path ) |
| { |
| URL res = getResource( path ); |
| if ( res != null ) |
| { |
| try |
| { |
| return res.openStream(); |
| } |
| catch ( IOException ignore ) |
| { |
| // might want to log, but actually don't care here |
| } |
| } |
| |
| return null; |
| } |
| |
| |
| public Set getResourcePaths( String path ) |
| { |
| // This is not implemented yet, might want to access the bundle entries |
| return null; |
| } |
| |
| |
| public RequestDispatcher getRequestDispatcher( String uri ) |
| { |
| return m_hdlr.getServletContext().getRequestDispatcher( uri ); |
| } |
| |
| |
| public RequestDispatcher getNamedDispatcher( String name ) |
| { |
| if ( getMinorVersion() >= 2 ) |
| { |
| return m_hdlr.getServletContext().getNamedDispatcher( name ); |
| } |
| |
| return null; |
| } |
| |
| |
| public String getServerInfo() |
| { |
| return m_hdlr.getServletContext().getServerInfo(); |
| } |
| |
| |
| public String getServletContextName() |
| { |
| if ( getMinorVersion() >= 3 ) |
| { |
| return m_hdlr.getServletContext().getServletContextName(); |
| } |
| |
| return null; |
| } |
| |
| |
| public Servlet getServlet( String servletName ) throws ServletException |
| { |
| return m_hdlr.getServletContext().getServlet( servletName ); |
| } |
| |
| |
| public Enumeration getServletNames() |
| { |
| return m_hdlr.getServletContext().getServletNames(); |
| } |
| |
| |
| public String getInitParameter( String name ) |
| { |
| if ( getMinorVersion() >= 2 ) |
| { |
| return m_hdlr.getServletContext().getInitParameter( name ); |
| } |
| |
| return null; |
| } |
| |
| |
| public Enumeration getInitParameterNames() |
| { |
| if ( getMinorVersion() >= 2 ) |
| { |
| return m_hdlr.getServletContext().getInitParameterNames(); |
| } |
| |
| return Collections.enumeration( Collections.EMPTY_LIST ); |
| } |
| |
| |
| /* (non-Javadoc) |
| * @see javax.servlet.ServletContext#getServlets() |
| */ |
| public Enumeration getServlets() |
| { |
| return m_hdlr.getServletContext().getServlets(); |
| } |
| |
| |
| public void log( Exception exception, String message ) |
| { |
| m_hdlr.getServletContext().log( exception, message ); |
| } |
| |
| |
| public void log( String message, Throwable throwable ) |
| { |
| m_hdlr.getServletContext().log( message, throwable ); |
| } |
| |
| |
| public void log( String message ) |
| { |
| m_hdlr.getServletContext().log( message ); |
| } |
| |
| |
| public void setAttribute( String name, Object value ) |
| { |
| m_attributes.put( name, value ); |
| } |
| |
| |
| public Object getAttribute( String name ) |
| { |
| return m_attributes.get( name ); |
| } |
| |
| |
| public Enumeration getAttributeNames() |
| { |
| return m_attributes.keys(); |
| } |
| |
| |
| public void removeAttribute( String name ) |
| { |
| m_attributes.remove( name ); |
| } |
| } |