FELIX-4781 : Implement various listeners
git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1659162 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/HttpSessionAttributeListenerInfo.java b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/HttpSessionAttributeListenerInfo.java
new file mode 100644
index 0000000..c336026
--- /dev/null
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/HttpSessionAttributeListenerInfo.java
@@ -0,0 +1,36 @@
+/*
+ * 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.runtime;
+
+import javax.servlet.http.HttpSessionAttributeListener;
+
+import org.osgi.framework.ServiceReference;
+
+/**
+ * Info object for registered servlet context listeners
+ *
+ * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
+ */
+public final class HttpSessionAttributeListenerInfo extends ListenerInfo<HttpSessionAttributeListener>
+{
+ public HttpSessionAttributeListenerInfo(final ServiceReference<HttpSessionAttributeListener> ref)
+ {
+ super(ref);
+ }
+}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/HttpSessionListenerInfo.java b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/HttpSessionListenerInfo.java
new file mode 100644
index 0000000..17f4727
--- /dev/null
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/HttpSessionListenerInfo.java
@@ -0,0 +1,36 @@
+/*
+ * 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.runtime;
+
+import javax.servlet.http.HttpSessionListener;
+
+import org.osgi.framework.ServiceReference;
+
+/**
+ * Info object for registered servlet context listeners
+ *
+ * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
+ */
+public final class HttpSessionListenerInfo extends ListenerInfo<HttpSessionListener>
+{
+ public HttpSessionListenerInfo(final ServiceReference<HttpSessionListener> ref)
+ {
+ super(ref);
+ }
+}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ListenerInfo.java b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ListenerInfo.java
new file mode 100644
index 0000000..213e685
--- /dev/null
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ListenerInfo.java
@@ -0,0 +1,45 @@
+/*
+ * 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.runtime;
+
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;
+
+/**
+ * Info object for registered listeners.
+ *
+ * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
+ */
+public abstract class ListenerInfo<T> extends WhiteboardServiceInfo<T>
+{
+
+ private final String enabled;
+
+ public ListenerInfo(final ServiceReference<T> ref)
+ {
+ super(ref);
+ this.enabled = this.getStringProperty(ref, HttpWhiteboardConstants.HTTP_WHITEBOARD_LISTENER);
+ }
+
+ @Override
+ public boolean isValid()
+ {
+ return super.isValid() && "true".equalsIgnoreCase(this.enabled);
+ }
+}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ServletContextAttributeListenerInfo.java b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ServletContextAttributeListenerInfo.java
index a55147c..341d201 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ServletContextAttributeListenerInfo.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ServletContextAttributeListenerInfo.java
@@ -21,27 +21,17 @@
import javax.servlet.ServletContextAttributeListener;
import org.osgi.framework.ServiceReference;
-import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;
/**
* Info object for registered servlet context attribute listeners
*
* @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
*/
-public final class ServletContextAttributeListenerInfo extends WhiteboardServiceInfo<ServletContextAttributeListener>
+public final class ServletContextAttributeListenerInfo extends ListenerInfo<ServletContextAttributeListener>
{
- private final String enabled;
-
public ServletContextAttributeListenerInfo(final ServiceReference<ServletContextAttributeListener> ref)
{
super(ref);
- this.enabled = this.getStringProperty(ref, HttpWhiteboardConstants.HTTP_WHITEBOARD_LISTENER);
- }
-
- @Override
- public boolean isValid()
- {
- return super.isValid() && "true".equalsIgnoreCase(this.enabled);
}
}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ServletContextListenerInfo.java b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ServletContextListenerInfo.java
index 1440f67..f1c609f 100644
--- a/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ServletContextListenerInfo.java
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ServletContextListenerInfo.java
@@ -21,26 +21,16 @@
import javax.servlet.ServletContextListener;
import org.osgi.framework.ServiceReference;
-import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;
/**
* Info object for registered servlet context listeners
*
* @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
*/
-public final class ServletContextListenerInfo extends WhiteboardServiceInfo<ServletContextListener>
+public final class ServletContextListenerInfo extends ListenerInfo<ServletContextListener>
{
- private final String enabled;
-
public ServletContextListenerInfo(final ServiceReference<ServletContextListener> ref)
{
super(ref);
- this.enabled = this.getStringProperty(ref, HttpWhiteboardConstants.HTTP_WHITEBOARD_LISTENER);
- }
-
- @Override
- public boolean isValid()
- {
- return super.isValid() && "true".equalsIgnoreCase(this.enabled);
}
}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ServletRequestAttributeListenerInfo.java b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ServletRequestAttributeListenerInfo.java
new file mode 100644
index 0000000..52733cf
--- /dev/null
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ServletRequestAttributeListenerInfo.java
@@ -0,0 +1,36 @@
+/*
+ * 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.runtime;
+
+import javax.servlet.ServletRequestAttributeListener;
+
+import org.osgi.framework.ServiceReference;
+
+/**
+ * Info object for registered servlet context listeners
+ *
+ * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
+ */
+public final class ServletRequestAttributeListenerInfo extends ListenerInfo<ServletRequestAttributeListener>
+{
+ public ServletRequestAttributeListenerInfo(final ServiceReference<ServletRequestAttributeListener> ref)
+ {
+ super(ref);
+ }
+}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ServletRequestListenerInfo.java b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ServletRequestListenerInfo.java
new file mode 100644
index 0000000..ef0a569
--- /dev/null
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/runtime/ServletRequestListenerInfo.java
@@ -0,0 +1,36 @@
+/*
+ * 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.runtime;
+
+import javax.servlet.ServletRequestListener;
+
+import org.osgi.framework.ServiceReference;
+
+/**
+ * Info object for registered servlet context listeners
+ *
+ * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
+ */
+public final class ServletRequestListenerInfo extends ListenerInfo<ServletRequestListener>
+{
+ public ServletRequestListenerInfo(final ServiceReference<ServletRequestListener> ref)
+ {
+ super(ref);
+ }
+}
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 2dfbbe7..50fd8ee 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
@@ -31,9 +31,12 @@
import org.apache.felix.http.base.internal.runtime.ResourceInfo;
import org.apache.felix.http.base.internal.runtime.ServletInfo;
import org.apache.felix.http.base.internal.whiteboard.tracker.FilterTracker;
+import org.apache.felix.http.base.internal.whiteboard.tracker.HttpSessionAttributeListenerTracker;
+import org.apache.felix.http.base.internal.whiteboard.tracker.HttpSessionListenerTracker;
import org.apache.felix.http.base.internal.whiteboard.tracker.ResourceTracker;
-import org.apache.felix.http.base.internal.whiteboard.tracker.ServletContextHelperTracker;
import org.apache.felix.http.base.internal.whiteboard.tracker.ServletContextListenerTracker;
+import org.apache.felix.http.base.internal.whiteboard.tracker.ServletRequestAttributeListenerTracker;
+import org.apache.felix.http.base.internal.whiteboard.tracker.ServletRequestListenerTracker;
import org.apache.felix.http.base.internal.whiteboard.tracker.ServletTracker;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceObjects;
@@ -66,8 +69,12 @@
addTracker(new FilterTracker(bundleContext, contextManager));
addTracker(new ServletTracker(bundleContext, this.contextManager));
addTracker(new ResourceTracker(bundleContext, this.contextManager));
- addTracker(new ServletContextHelperTracker(bundleContext, this.contextManager));
+ addTracker(new HttpSessionAttributeListenerTracker(bundleContext, this.contextManager));
+ addTracker(new HttpSessionListenerTracker(bundleContext, this.contextManager));
addTracker(new ServletContextListenerTracker(bundleContext, this.contextManager));
+ addTracker(new ServletContextListenerTracker(bundleContext, this.contextManager));
+ addTracker(new ServletRequestListenerTracker(bundleContext, this.contextManager));
+ addTracker(new ServletRequestAttributeListenerTracker(bundleContext, this.contextManager));
}
public void close()
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/tracker/HttpSessionAttributeListenerTracker.java b/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/tracker/HttpSessionAttributeListenerTracker.java
new file mode 100644
index 0000000..d6b4691
--- /dev/null
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/tracker/HttpSessionAttributeListenerTracker.java
@@ -0,0 +1,57 @@
+/*
+ * 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.whiteboard.tracker;
+
+import javax.servlet.http.HttpSessionAttributeListener;
+
+import org.apache.felix.http.base.internal.runtime.HttpSessionAttributeListenerInfo;
+import org.apache.felix.http.base.internal.runtime.WhiteboardServiceInfo;
+import org.apache.felix.http.base.internal.whiteboard.ServletContextHelperManager;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;
+
+public final class HttpSessionAttributeListenerTracker extends AbstractReferenceTracker<HttpSessionAttributeListener>
+{
+
+ private static org.osgi.framework.Filter createFilter(final BundleContext btx)
+ {
+ try
+ {
+ return btx.createFilter(String.format("(&(objectClass=%s)(%s=*)(!(%s~=false)))",
+ HttpSessionAttributeListener.class.getName(),
+ HttpWhiteboardConstants.HTTP_WHITEBOARD_LISTENER,
+ HttpWhiteboardConstants.HTTP_WHITEBOARD_LISTENER));
+ }
+ catch ( final InvalidSyntaxException ise)
+ {
+ // we can safely ignore it as the above filter is a constant
+ }
+ return null; // we never get here - and if we get an NPE which is fine
+ }
+
+ public HttpSessionAttributeListenerTracker(final BundleContext context, final ServletContextHelperManager manager)
+ {
+ super(manager, context, createFilter(context));
+ }
+
+ @Override
+ protected WhiteboardServiceInfo<HttpSessionAttributeListener> getServiceInfo(final ServiceReference<HttpSessionAttributeListener> ref) {
+ return new HttpSessionAttributeListenerInfo(ref);
+ }
+}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/tracker/HttpSessionListenerTracker.java b/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/tracker/HttpSessionListenerTracker.java
new file mode 100644
index 0000000..1bb09d2
--- /dev/null
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/tracker/HttpSessionListenerTracker.java
@@ -0,0 +1,57 @@
+/*
+ * 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.whiteboard.tracker;
+
+import javax.servlet.http.HttpSessionListener;
+
+import org.apache.felix.http.base.internal.runtime.HttpSessionListenerInfo;
+import org.apache.felix.http.base.internal.runtime.WhiteboardServiceInfo;
+import org.apache.felix.http.base.internal.whiteboard.ServletContextHelperManager;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;
+
+public final class HttpSessionListenerTracker extends AbstractReferenceTracker<HttpSessionListener>
+{
+
+ private static org.osgi.framework.Filter createFilter(final BundleContext btx)
+ {
+ try
+ {
+ return btx.createFilter(String.format("(&(objectClass=%s)(%s=*)(!(%s~=false)))",
+ HttpSessionListener.class.getName(),
+ HttpWhiteboardConstants.HTTP_WHITEBOARD_LISTENER,
+ HttpWhiteboardConstants.HTTP_WHITEBOARD_LISTENER));
+ }
+ catch ( final InvalidSyntaxException ise)
+ {
+ // we can safely ignore it as the above filter is a constant
+ }
+ return null; // we never get here - and if we get an NPE which is fine
+ }
+
+ public HttpSessionListenerTracker(final BundleContext context, final ServletContextHelperManager manager)
+ {
+ super(manager, context, createFilter(context));
+ }
+
+ @Override
+ protected WhiteboardServiceInfo<HttpSessionListener> getServiceInfo(final ServiceReference<HttpSessionListener> ref) {
+ return new HttpSessionListenerInfo(ref);
+ }
+}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/tracker/ServletRequestAttributeListenerTracker.java b/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/tracker/ServletRequestAttributeListenerTracker.java
new file mode 100644
index 0000000..9e4bb94
--- /dev/null
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/tracker/ServletRequestAttributeListenerTracker.java
@@ -0,0 +1,57 @@
+/*
+ * 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.whiteboard.tracker;
+
+import javax.servlet.ServletRequestAttributeListener;
+
+import org.apache.felix.http.base.internal.runtime.ServletRequestAttributeListenerInfo;
+import org.apache.felix.http.base.internal.runtime.WhiteboardServiceInfo;
+import org.apache.felix.http.base.internal.whiteboard.ServletContextHelperManager;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;
+
+public final class ServletRequestAttributeListenerTracker extends AbstractReferenceTracker<ServletRequestAttributeListener>
+{
+
+ private static org.osgi.framework.Filter createFilter(final BundleContext btx)
+ {
+ try
+ {
+ return btx.createFilter(String.format("(&(objectClass=%s)(%s=*)(!(%s~=false)))",
+ ServletRequestAttributeListener.class.getName(),
+ HttpWhiteboardConstants.HTTP_WHITEBOARD_LISTENER,
+ HttpWhiteboardConstants.HTTP_WHITEBOARD_LISTENER));
+ }
+ catch ( final InvalidSyntaxException ise)
+ {
+ // we can safely ignore it as the above filter is a constant
+ }
+ return null; // we never get here - and if we get an NPE which is fine
+ }
+
+ public ServletRequestAttributeListenerTracker(final BundleContext context, final ServletContextHelperManager manager)
+ {
+ super(manager, context, createFilter(context));
+ }
+
+ @Override
+ protected WhiteboardServiceInfo<ServletRequestAttributeListener> getServiceInfo(final ServiceReference<ServletRequestAttributeListener> ref) {
+ return new ServletRequestAttributeListenerInfo(ref);
+ }
+}
diff --git a/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/tracker/ServletRequestListenerTracker.java b/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/tracker/ServletRequestListenerTracker.java
new file mode 100644
index 0000000..41f0f97
--- /dev/null
+++ b/http/base/src/main/java/org/apache/felix/http/base/internal/whiteboard/tracker/ServletRequestListenerTracker.java
@@ -0,0 +1,57 @@
+/*
+ * 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.whiteboard.tracker;
+
+import javax.servlet.ServletRequestListener;
+
+import org.apache.felix.http.base.internal.runtime.ServletRequestListenerInfo;
+import org.apache.felix.http.base.internal.runtime.WhiteboardServiceInfo;
+import org.apache.felix.http.base.internal.whiteboard.ServletContextHelperManager;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;
+
+public final class ServletRequestListenerTracker extends AbstractReferenceTracker<ServletRequestListener>
+{
+
+ private static org.osgi.framework.Filter createFilter(final BundleContext btx)
+ {
+ try
+ {
+ return btx.createFilter(String.format("(&(objectClass=%s)(%s=*)(!(%s~=false)))",
+ ServletRequestListener.class.getName(),
+ HttpWhiteboardConstants.HTTP_WHITEBOARD_LISTENER,
+ HttpWhiteboardConstants.HTTP_WHITEBOARD_LISTENER));
+ }
+ catch ( final InvalidSyntaxException ise)
+ {
+ // we can safely ignore it as the above filter is a constant
+ }
+ return null; // we never get here - and if we get an NPE which is fine
+ }
+
+ public ServletRequestListenerTracker(final BundleContext context, final ServletContextHelperManager manager)
+ {
+ super(manager, context, createFilter(context));
+ }
+
+ @Override
+ protected WhiteboardServiceInfo<ServletRequestListener> getServiceInfo(final ServiceReference<ServletRequestListener> ref) {
+ return new ServletRequestListenerInfo(ref);
+ }
+}