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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
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commit 1dbedaadec4f5bf940da977746b53bdf6d632a06 1 parent d17fecb
Timothy Michael Moloney authored
View
6 http/api/pom.xml
@@ -53,6 +53,12 @@
<scope>provided</scope>
</dependency>
<dependency>
+ <groupId>org.cometd.java</groupId>
+ <artifactId>cometd-api</artifactId>
+ <version>1.0.beta7</version>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
<groupId>org.osgi</groupId>
<artifactId>org.osgi.compendium</artifactId>
<scope>provided</scope>
View
26 http/api/src/main/java/org/apache/felix/http/api/CometdService.java
@@ -0,0 +1,26 @@
+/*
+ * 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.api;
+
+import javax.servlet.ServletException;
+import org.cometd.Bayeux;
+
+public interface CometdService
+{
+ public Bayeux getBayeux()
+ throws ServletException;
+}
View
8 http/bundle/pom.xml
@@ -43,18 +43,21 @@
<Export-Package>
org.apache.felix.http.api;version=2.0.4;-split-package:=merge-first,
org.osgi.service.http;version=1.2.0;-split-package:=merge-first,
+ org.cometd;version=1.0.beta7,
javax.servlet.*;version=2.5;-split-package:=merge-first
</Export-Package>
<Private-Package>
org.apache.felix.http.base.*;-split-package:=merge-first,
org.apache.felix.http.bridge.*,
org.apache.felix.http.bundle.*,
+ org.apache.felix.http.cometd.*,
org.apache.felix.http.jetty.*,
org.apache.felix.http.whiteboard.*,
org.mortbay.*;-split-package:=merge-first
</Private-Package>
<Import-Package>
javax.servlet.*,
+ org.cometd,
*;resolution:=optional
</Import-Package>
</instructions>
@@ -86,6 +89,11 @@
</dependency>
<dependency>
<groupId>${pom.groupId}</groupId>
+ <artifactId>org.apache.felix.http.cometd</artifactId>
+ <version>${pom.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>${pom.groupId}</groupId>
<artifactId>org.apache.felix.http.jetty</artifactId>
<version>${pom.version}</version>
</dependency>
View
15 http/bundle/src/main/java/org/apache/felix/http/bundle/internal/CombinedActivator.java
@@ -20,6 +20,7 @@
import org.osgi.framework.BundleContext;
import org.apache.felix.http.bridge.internal.BridgeActivator;
import org.apache.felix.http.whiteboard.internal.WhiteboardActivator;
+import org.apache.felix.http.cometd.internal.CometdActivator;
import org.apache.felix.http.jetty.internal.JettyActivator;
public final class CombinedActivator
@@ -27,10 +28,12 @@
{
private final static String JETTY_ENABLED_PROP = "org.apache.felix.http.jettyEnabled";
private final static String WHITEBOARD_ENABLED_PROP = "org.apache.felix.http.whiteboardEnabled";
+ private final static String COMETD_ENABLED_PROP = "org.apache.felix.http.cometdEnabled";
private BundleActivator jettyActivator;
private BundleActivator bridgeActivator;
private BundleActivator whiteboardActivator;
+ private BundleActivator cometdActivator;
public void start(BundleContext context)
throws Exception
@@ -45,6 +48,10 @@ public void start(BundleContext context)
this.whiteboardActivator = new WhiteboardActivator();
}
+ if ("true".equals(context.getProperty(COMETD_ENABLED_PROP))) {
+ this.cometdActivator = new CometdActivator();
+ }
+
if (this.jettyActivator != null) {
this.jettyActivator.start(context);
}
@@ -56,11 +63,19 @@ public void start(BundleContext context)
if (this.whiteboardActivator != null) {
this.whiteboardActivator.start(context);
}
+
+ if (this.cometdActivator != null) {
+ this.cometdActivator.start(context);
+ }
}
public void stop(BundleContext context)
throws Exception
{
+ if (this.cometdActivator != null) {
+ this.cometdActivator.stop(context);
+ }
+
if (this.whiteboardActivator != null) {
this.whiteboardActivator.stop(context);
}
View
27 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
View
203 http/cometd/LICENSE
@@ -0,0 +1,203 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
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+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
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View
15 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.
View
119 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>
View
40 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();
+ }
+}
View
69 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;
+ }
+}
View
135 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();
+ }
+}
View
2  http/pom.xml
@@ -99,10 +99,12 @@
<module>jetty</module>
<module>proxy</module>
<module>whiteboard</module>
+ <module>cometd</module>
<module>bundle</module>
<module>samples/filter</module>
<module>samples/bridge</module>
<module>samples/whiteboard</module>
+ <module>samples/cometd</module>
</modules>
<dependencies>
View
20 http/samples/cometd/DEPENDENCIES
@@ -0,0 +1,20 @@
+Apache Felix HTTP Service Cometd Sample
+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
+
+N/A
+
+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
View
203 http/samples/cometd/LICENSE
@@ -0,0 +1,203 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
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+ "You" (or "Your") shall mean an individual or Legal Entity
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+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
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+ of this License, Derivative Works shall not include works that remain
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+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
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+ communication on electronic mailing lists, source code control systems,
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+ Licensor for the purpose of discussing and improving the Work, but
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+ 2. Grant of Copyright License. Subject to the terms and conditions of
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+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
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+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
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+ of the NOTICE file are for informational purposes only and
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+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
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+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
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+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
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+ Copyright [yyyy] [name of copyright owner]
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+ Licensed 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
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+ 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.
+
View
6 http/samples/cometd/NOTICE
@@ -0,0 +1,6 @@
+Apache Felix Http Service Cometd Sample
+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.
View
91 http/samples/cometd/pom.xml
@@ -0,0 +1,91 @@
+<!--
+ 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 Samples - Cometd</name>
+ <artifactId>org.apache.felix.http.samples.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.samples.cometd.Activator
+ </Bundle-Activator>
+ <Private-Package>
+ org.apache.felix.http.samples.cometd.*
+ </Private-Package>
+ <Import-Package>
+ *;resolution:=optional
+ </Import-Package>
+ </instructions>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-source-plugin</artifactId>
+ <version>2.0.4</version>
+ <executions>
+ <execution>
+ <id>attach-sources</id>
+ <goals>
+ <goal>jar</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+
+ <dependencies>
+ <dependency>
+ <groupId>javax.servlet</groupId>
+ <artifactId>servlet-api</artifactId>
+ <scope>provided</scope>
+ </dependency>
+ <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>${pom.groupId}</groupId>
+ <artifactId>org.apache.felix.http.api</artifactId>
+ <version>${pom.version}</version>
+ </dependency>
+ </dependencies>
+
+</project>
View
103 http/samples/cometd/src/main/java/org/apache/felix/http/samples/cometd/Activator.java
@@ -0,0 +1,103 @@
+/*
+ * 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.samples.cometd;
+
+
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+import org.osgi.framework.ServiceRegistration;
+import org.osgi.util.tracker.ServiceTracker;
+import org.osgi.util.tracker.ServiceTrackerCustomizer;
+import javax.servlet.Servlet;
+import javax.servlet.ServletException;
+import java.util.Hashtable;
+import org.apache.felix.http.api.CometdService;
+import org.cometd.Bayeux;
+
+public final class Activator
+ implements BundleActivator, ServiceTrackerCustomizer
+{
+ private BundleContext context;
+ private ServiceTracker cometdServiceTracker;
+ private ServiceRegistration reg;
+
+ public void start(BundleContext context)
+ throws Exception
+ {
+ this.context = context;
+ this.cometdServiceTracker = new ServiceTracker(this.context, CometdService.class.getName(), this);
+ this.cometdServiceTracker.open();
+ }
+
+ public void stop(BundleContext context)
+ throws Exception
+ {
+ if (this.cometdServiceTracker != null) {
+ this.cometdServiceTracker.close();
+ }
+ this.unregister();
+ }
+
+ public Object addingService(ServiceReference reference)
+ {
+ Object service = this.context.getService(reference);
+ this.register((CometdService)service);
+ return service;
+ }
+
+ public void modifiedService(ServiceReference reference, Object service)
+ {
+ this.unregister();
+ this.register((CometdService)service);
+ }
+
+ public void removedService(ServiceReference reference, Object service)
+ {
+ this.unregister();
+ }
+
+ private void register(CometdService cometdService) {
+ try {
+ Bayeux bayeux = cometdService.getBayeux();
+ if (bayeux != null) {
+ Hashtable<String, String> props = new Hashtable<String, String>();
+ props.put("alias", "/system/time");
+ this.reg = context.registerService(Servlet.class.getName(), new TimeServlet(bayeux), props);
+ doLog("Connect a browser to http://<host>:<port>/system/time to view the time.");
+ }
+ else {
+ doLog("Failed to get bayeux");
+ }
+ }
+ catch (ServletException e) {
+ doLog("Failed to register TimeServlet at /system/time: " + e.getMessage());
+ }
+ }
+
+ private void unregister() {
+ if (this.reg != null) {
+ this.reg.unregister();
+ this.reg = null;
+ }
+ }
+
+ private void doLog(String message)
+ {
+ System.out.println("## Activator: " + message);
+ }
+}
View
138 http/samples/cometd/src/main/java/org/apache/felix/http/samples/cometd/TimeServlet.java
@@ -0,0 +1,138 @@
+/*
+ * 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.samples.cometd;
+
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletException;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Timer;
+import java.util.TimerTask;
+import org.cometd.Bayeux;
+import org.cometd.Channel;
+import org.cometd.Client;
+
+public class TimeServlet
+ extends HttpServlet
+{
+ private static final long serialVersionUID = 1L;
+
+ private enum SystemTopics {
+ Time
+ };
+
+ private Bayeux bayeux;
+ private Client client;
+ private List<Channel> channels;
+ private Timer updateTimer;
+ private SimpleDateFormat logDateFormat;
+ private String html =
+ "<html>\n" +
+ " <head>\n" +
+ " <title>System Information</title>\n" +
+ " <script type='text/javascript' src='/dojo/dojo/dojo.js'></script>\n" +
+ " <script type='text/javascript'>\n" +
+ " dojo.require('dojox.cometd');\n" +
+ " dojo.addOnLoad(init);\n" +
+ " dojo.addOnUnload(destroy);\n" +
+ " function init() {\n" +
+ " dojox.cometd.init('/system/cometd');\n" +
+ " dojox.cometd.subscribe('/System/Time', updateTime);\n" +
+ " }\n" +
+ " function destroy() {\n" +
+ " dojox.cometd.unsubscribe('/System/Time');\n" +
+ " dojox.cometd.disconnect();\n" +
+ " }\n" +
+ " function updateTime(message) {\n" +
+ " document.getElementById('systemTime').innerHTML = message.data;\n" +
+ " }\n" +
+ " </script>\n" +
+ " </head>\n" +
+ " <body>\n" +
+ " <h2 id='systemTime'></h2>\n" +
+ " </body>\n" +
+ "</html>\n";
+
+ public TimeServlet(Bayeux bayeux)
+ {
+ this.bayeux = bayeux;
+ this.client = this.bayeux.newClient(this.getClass().getName());
+ this.channels = new ArrayList<Channel>();
+ for (SystemTopics topic : SystemTopics.values()) {
+ this.channels.add(topic.ordinal(), this.bayeux.getChannel("/System/" + topic, true));
+ }
+ this.updateTimer = new Timer("System.Time.ClientNotifier");
+ this.updateTimer.scheduleAtFixedRate(new ClientNotifier(), 1000, 1000);
+ this.logDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
+ }
+
+ @Override
+ public void init(ServletConfig config)
+ throws ServletException
+ {
+ doLog("Init with config [" + config + "]");
+ super.init(config);
+ }
+
+ @Override
+ public void destroy()
+ {
+ doLog("Destroyed servlet");
+ this.updateTimer.cancel();
+ super.destroy();
+ }
+
+ @Override
+ protected void doGet(HttpServletRequest req, HttpServletResponse res)
+ throws ServletException, IOException
+ {
+ res.setContentType("text/html");
+ PrintWriter out = res.getWriter();
+ out.println(this.html);
+ }
+
+ private void doLog(String message)
+ {
+ System.out.println("## TimeServlet: " + message);
+ }
+
+ private class ClientNotifier
+ extends TimerTask
+ {
+
+ public void run() {
+ for (SystemTopics topic : SystemTopics.values()) {
+ String topicData;
+ switch (topic) {
+ case Time:
+ topicData = logDateFormat.format(new Date());
+ break;
+ default:
+ topicData = "unknown topic: " + topic.toString();
+ }
+ channels.get(topic.ordinal()).publish(client, topicData, null);
+ }
+ }
+ }
+}
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