FELIX-1796 Added cometd support to HTTP service.
git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1076920 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/http/cometd/DEPENDENCIES b/http/cometd/DEPENDENCIES
new file mode 100644
index 0000000..dc4222f
--- /dev/null
+++ b/http/cometd/DEPENDENCIES
@@ -0,0 +1,27 @@
+Apache Felix HTTP Service Cometd
+Copyright 2011 The Apache Software Foundation
+
+This software was developed at the Apache Software Foundation
+(http://www.apache.org) and may have dependencies on other
+Apache software licensed under Apache License 2.0.
+
+I. Included Third-Party Software
+
+This product includes software developed by
+Mortbay (http://mortbay.org)
+Licensed under the Apache License 2.0.
+
+This product includes software developed at
+The OSGi Alliance (http://www.osgi.org/).
+Copyright (c) OSGi Alliance (2000, 2009).
+Licensed under the Apache License 2.0.
+
+II. Used Third-Party Software
+
+This product uses software developed at
+The OSGi Alliance (http://www.osgi.org).
+Copyright (c) OSGi Alliance (2000, 2009).
+Licensed under the Apache License 2.0.
+
+III. License Summary
+- Apache License 2.0
diff --git a/http/cometd/LICENSE b/http/cometd/LICENSE
new file mode 100644
index 0000000..6b0b127
--- /dev/null
+++ b/http/cometd/LICENSE
@@ -0,0 +1,203 @@
+
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diff --git a/http/cometd/NOTICE b/http/cometd/NOTICE
new file mode 100644
index 0000000..60a7467
--- /dev/null
+++ b/http/cometd/NOTICE
@@ -0,0 +1,15 @@
+Apache Felix Http Service Cometd
+Copyright 2011 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+Licensed under the Apache License 2.0.
+
+This product includes software developed by
+Mortbay (http://mortbay.org)
+Licensed under the Apache License 2.0.
+
+This product includes software developed at
+The OSGi Alliance (http://www.osgi.org/).
+Copyright (c) OSGi Alliance (2000, 2009).
+Licensed under the Apache License 2.0.
diff --git a/http/cometd/pom.xml b/http/cometd/pom.xml
new file mode 100644
index 0000000..5881720
--- /dev/null
+++ b/http/cometd/pom.xml
@@ -0,0 +1,119 @@
+<!--
+ 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>org.apache.felix.http</artifactId>
+ <version>2.2.1-SNAPSHOT</version>
+ <relativePath>../pom.xml</relativePath>
+ </parent>
+
+ <name>Apache Felix Http Cometd</name>
+ <artifactId>org.apache.felix.http.cometd</artifactId>
+ <packaging>jar</packaging>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>maven-bundle-plugin</artifactId>
+ <configuration>
+ <instructions>
+ <Bundle-Activator>
+ org.apache.felix.http.cometd.internal.CometdActivator
+ </Bundle-Activator>
+ <Export-Package>
+ org.apache.felix.http.api;version=${pom.version},
+ org.cometd;version=1.0.beta7,
+ org.mortbay.*;-split-package:=merge-first,
+ org.osgi.service.http,
+ javax.servlet.*;version=2.5;-split-package:=merge-first
+ </Export-Package>
+ <Private-Package>
+ org.apache.felix.http.base.*,
+ org.apache.felix.http.cometd.*
+ </Private-Package>
+ <Import-Package>
+ org.osgi.service.http.*,
+ org.cometd,
+ org.apache.felix.http.api,
+ *;resolution:=optional
+ </Import-Package>
+ </instructions>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.osgi</groupId>
+ <artifactId>org.osgi.core</artifactId>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.osgi</groupId>
+ <artifactId>org.osgi.compendium</artifactId>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>javax.servlet</groupId>
+ <artifactId>servlet-api</artifactId>
+ <version>2.5</version>
+ </dependency>
+ <dependency>
+ <groupId>org.mortbay.jetty</groupId>
+ <artifactId>jetty</artifactId>
+ <version>6.1.24</version>
+ </dependency>
+ <dependency>
+ <groupId>org.mortbay.jetty</groupId>
+ <artifactId>jetty-util</artifactId>
+ <version>6.1.24</version>
+ </dependency>
+ <dependency>
+ <groupId>org.mortbay.jetty</groupId>
+ <artifactId>jetty-sslengine</artifactId>
+ <version>6.1.24</version>
+ </dependency>
+ <dependency>
+ <groupId>org.cometd.java</groupId>
+ <artifactId>cometd-api</artifactId>
+ <version>1.0.beta7</version>
+ </dependency>
+ <dependency>
+ <groupId>org.mortbay.jetty</groupId>
+ <artifactId>cometd-jetty</artifactId>
+ <version>6.1.15</version>
+ </dependency>
+ <dependency>
+ <groupId>${pom.groupId}</groupId>
+ <artifactId>org.apache.felix.http.api</artifactId>
+ <version>${pom.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>${pom.groupId}</groupId>
+ <artifactId>org.apache.felix.http.base</artifactId>
+ <version>${pom.version}</version>
+ </dependency>
+ </dependencies>
+
+</project>
diff --git a/http/cometd/src/main/java/org/apache/felix/http/cometd/internal/CometdActivator.java b/http/cometd/src/main/java/org/apache/felix/http/cometd/internal/CometdActivator.java
new file mode 100644
index 0000000..a9ff00e
--- /dev/null
+++ b/http/cometd/src/main/java/org/apache/felix/http/cometd/internal/CometdActivator.java
@@ -0,0 +1,40 @@
+/*
+ * 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.cometd.internal;
+
+import org.apache.felix.http.base.internal.AbstractHttpActivator;
+
+public final class CometdActivator
+ extends AbstractHttpActivator
+{
+ private CometdServiceImpl cometd;
+
+ protected void doStart()
+ throws Exception
+ {
+ super.doStart();
+ this.cometd = new CometdServiceImpl(getBundleContext());
+ this.cometd.start();
+ }
+
+ protected void doStop()
+ throws Exception
+ {
+ this.cometd.stop();
+ super.doStop();
+ }
+}
diff --git a/http/cometd/src/main/java/org/apache/felix/http/cometd/internal/CometdConfig.java b/http/cometd/src/main/java/org/apache/felix/http/cometd/internal/CometdConfig.java
new file mode 100644
index 0000000..69ebef9
--- /dev/null
+++ b/http/cometd/src/main/java/org/apache/felix/http/cometd/internal/CometdConfig.java
@@ -0,0 +1,69 @@
+/*
+ * 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.cometd.internal;
+
+import org.osgi.framework.BundleContext;
+import java.util.Dictionary;
+import java.util.Properties;
+
+public final class CometdConfig
+{
+ /** cometd servlet path */
+ private static final String COMETD_PATH = "org.apache.felix.http.cometd.path";
+
+ /** default cometd servlet path */
+ private static final String DEFAULT_COMETD_PATH = "/system/cometd";
+
+ private final BundleContext context;
+ private String path;
+
+ public CometdConfig(BundleContext context)
+ {
+ this.context = context;
+ reset();
+ }
+
+ public String getPath()
+ {
+ return this.path;
+ }
+
+ public void reset()
+ {
+ update(null);
+ }
+
+ public void update(Dictionary props)
+ {
+ if (props == null) {
+ props = new Properties();
+ }
+
+ this.path = getProperty(props, COMETD_PATH, DEFAULT_COMETD_PATH);
+ }
+
+ private String getProperty(Dictionary props, String name, String defValue)
+ {
+ Object value = props.get(name);
+ if (value == null)
+ {
+ value = this.context.getProperty(name);
+ }
+
+ return value != null ? String.valueOf(value) : defValue;
+ }
+}
diff --git a/http/cometd/src/main/java/org/apache/felix/http/cometd/internal/CometdServiceImpl.java b/http/cometd/src/main/java/org/apache/felix/http/cometd/internal/CometdServiceImpl.java
new file mode 100644
index 0000000..b61a645
--- /dev/null
+++ b/http/cometd/src/main/java/org/apache/felix/http/cometd/internal/CometdServiceImpl.java
@@ -0,0 +1,135 @@
+/*
+ * 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.cometd.internal;
+
+import org.apache.felix.http.api.CometdService;
+import org.apache.felix.http.base.internal.logger.SystemLogger;
+import org.cometd.Bayeux;
+import org.mortbay.cometd.continuation.ContinuationCometdServlet;
+
+import org.osgi.service.cm.ManagedService;
+import org.osgi.service.http.HttpService;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.Constants;
+import org.osgi.framework.ServiceReference;
+import org.osgi.framework.ServiceRegistration;
+import org.osgi.util.tracker.ServiceTracker;
+import org.osgi.util.tracker.ServiceTrackerCustomizer;
+
+import java.util.Properties;
+import java.util.Dictionary;
+import javax.servlet.http.HttpServlet;
+
+public final class CometdServiceImpl
+ extends HttpServlet
+ implements ManagedService, ServiceTrackerCustomizer, CometdService
+{
+ private static final long serialVersionUID = 1L;
+ private static final String PID = "org.apache.felix.http.cometd";
+
+ private final CometdConfig config;
+ private final BundleContext context;
+ private ServiceRegistration configServiceReg;
+ private ServiceTracker httpServiceTracker;
+ private ServiceRegistration cometdServiceReg;
+ private ContinuationCometdServlet continuationCometdServlet;
+
+ public CometdServiceImpl(BundleContext context)
+ {
+ this.context = context;
+ this.config = new CometdConfig(this.context);
+ }
+
+ public void start()
+ throws Exception
+ {
+ Properties props = new Properties();
+ props.put(Constants.SERVICE_PID, PID);
+ this.configServiceReg = this.context.registerService(ManagedService.class.getName(), this, props);
+
+ this.httpServiceTracker = new ServiceTracker(this.context, HttpService.class.getName(), this);
+ this.httpServiceTracker.open();
+ }
+
+ public void stop()
+ throws Exception
+ {
+ if (this.configServiceReg != null) {
+ this.configServiceReg.unregister();
+ }
+
+ if (this.httpServiceTracker != null) {
+ this.httpServiceTracker.close();
+ }
+ }
+
+ public void updated(Dictionary props)
+ {
+ this.config.update(props);
+ if (this.httpServiceTracker != null) {
+ Object service = this.httpServiceTracker.getService();
+ if (service != null) {
+ this.unregister((HttpService)service);
+ this.register((HttpService)service);
+ }
+ }
+ }
+
+ public Object addingService(ServiceReference reference)
+ {
+ Object service = this.context.getService(reference);
+ this.register((HttpService)service);
+ return service;
+ }
+
+ public void modifiedService(ServiceReference reference, Object service)
+ {
+ this.unregister((HttpService)service);
+ this.register((HttpService)service);
+ }
+
+ public void removedService(ServiceReference reference, Object service)
+ {
+ this.unregister((HttpService)service);
+ }
+
+ private void register(HttpService httpService) {
+ if (this.continuationCometdServlet == null) {
+ this.continuationCometdServlet = new ContinuationCometdServlet();
+ }
+ try {
+ httpService.registerServlet(this.config.getPath(), this.continuationCometdServlet, null, null);
+ }
+ catch (Exception e) {
+ SystemLogger.error("Failed to register ContinuationCometdServlet to " + this.config.getPath(), e);
+ }
+ this.cometdServiceReg =
+ this.context.registerService(CometdService.class.getName(), this, null);
+ }
+
+ private void unregister(HttpService httpService) {
+ httpService.unregister(this.config.getPath());
+ if (this.cometdServiceReg != null) {
+ this.cometdServiceReg.unregister();
+ this.cometdServiceReg = null;
+ }
+ }
+
+ public Bayeux getBayeux() {
+ return this.continuationCometdServlet.getBayeux();
+ }
+}