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-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/README99
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/pom.xml82
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/ChatService.java36
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/ChatServiceImpl.java56
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/META-INF/MANIFEST.MF2
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/WEB-INF/web.composite37
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/WEB-INF/web.xml34
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/index.html109
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js154
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/README100
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/pom.xml75
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Helper.java34
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/HumidityService.java35
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/PrecipitationService.java35
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/PrecipitationServiceImpl.java56
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/TemperatureHumidityServiceImpl.java76
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/TemperatureService.java38
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/model/Location.java43
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/model/Response.java45
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/META-INF/MANIFEST.MF2
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/WEB-INF/web.composite58
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/WEB-INF/web.xml34
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/index.html160
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js154
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/pom.xml46
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/README102
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/pom.xml82
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java51
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java107
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java37
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java28
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java76
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF2
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite63
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml34
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html113
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js154
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/README79
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/pom.xml83
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Country.java40
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryRepository.java30
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryRepositoryImpl.java78
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryService.java30
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryServiceImpl.java36
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/resources/countries.txt195
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/META-INF/MANIFEST.MF2
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/WEB-INF/web.composite41
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/WEB-INF/web.xml34
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/index.html69
-rw-r--r--sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js154
50 files changed, 3320 insertions, 0 deletions
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/README b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/README
new file mode 100644
index 0000000000..303c63146a
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/README
@@ -0,0 +1,99 @@
+Tuscany - Learning More - Binding Comet - Chat Webapp
+-----------------------------------------------------------------
+
+This sample demonstrates how Tuscany can expose services via Comet techniques
+as well as how to interact with them using Tuscany's javascript toolkit. It
+also demonstrates how to push multiple responses for a single request using
+SCA callbacks via comet techniques.
+
+This project contains a service (ChatService) that handles chat operations like
+register and postMessage. Once a client is registered it will receive messages
+that are sent to the chat room.
+
+By adding <tuscany:binding.comet/> to a service definition, the Tuscany runtime
+will handle the communication between the browser client and the service
+implementation using Comet techniques. This enables bidirectional communication
+over HTTP, therefore enabling server push. For more information, check
+http://en.wikipedia.org/wiki/Comet_(programming).
+
+The comet binding is using the Atmosphere Framework under the hood to acomodate
+as many deployment envorinments as possible. Basically, it checks if the
+application server supports Servlet 3.0 falling back to a number of native
+comet solutions provided by vendors (Jetty, Tomcat, WebLogic, GlassFish and
+others). If none is available, Atmosphere will fallback to blocking IO.
+
+In order to enable callbacks to push multiple responses, you need to declare the
+CometCallback in the service definition as follows:
+ <interface.java interface="org.apache.tuscany.sca.sample.comet.ChatService"
+ callbackInterface="org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback" />
+ <tuscany:binding.comet />
+ <callback>
+ <tuscany:binding.comet />
+ </callback>
+
+The callback object has methods that facilitate sending messages back to the
+calling client. It can be injected in the service implementation using the @Callback
+annotation. However, the service implementation for this sample has the COMPOSITE
+scope so the callback reference has to be obtained from the ComponentContext.
+
+One requirement that service methods have to meet to enable multiple response
+support is that they have to be annotated with @OneWay to enable non-blocking
+support. Without it, methods are treated synchronously sending a single response
+which is the object returned by the method call.
+
+Invoking comet services can be done using Tuscany's javascript API which simulates
+SCA in the browser. It uses the Atmosphere jQuery plugin under the hood. In order
+to use it, the following script has to be included in the client page:
+ <script type="text/javascript"
+ src="tuscany-comet-js/org.apache.tuscany.sca.CometComponentContext.js">
+ </script>
+
+The javascript toolkit permits choosing between two comet techniques: HTTP streaming
+and long polling. More detailed information about them can be found on the previously
+mentioned wikipedia page.
+
+First, a connect operation has to be issued in order to initiate communication
+with the server side using the technique of your choice. This is done using the
+connection method as follows:
+ SCA.TuscanyComet.connect('streaming'); // for HTTP streaming
+ SCA.TuscanyComet.connect('long-polling'); // for long polling
+ SCA.TuscanyComet.connect(); // starts with HTTP streaming and falls back to long polling if necessary
+
+The Tuscany Comet toolkit will inject proxies for all services defined in the composite
+that are using binding.comet. All invocation and connection management is handled
+under the hood so in order to invoke a comet service, the following should be called:
+ SCA.CometComponentContext.<service name>.<operation name>(<parameters>, callback);
+
+The callback parameter is the function that will handle responses received for a
+certain service operation. It has a single argument which is the response:
+ function callback(response) {
+ // handle response
+ };
+
+Note that the data exchange is automatically handled by the binding, so parameters
+will be mapped to the data types defined in the method definition. Also, the response
+will have the same data type as the server side object used to wrap the response.
+Objects are passed over the wire in JSON format.
+
+Another detail worth mentioning is that the binding will use a single HTTP
+connection to handle communication between a browser client and all services
+defined using binding.comet in the same composite. Requests and responses will get
+multiplexed via the same channel and get routed to the appropriate service
+implementation, respectively javascript function. This is done in order to avoid
+the 2 HTTP connection limit imposed by browsers. For more info, check
+http://www.openajax.org/runtime/wiki/The_Two_HTTP_Connection_Limit_Issue.
+
+In order to run the sample, you can execute "mvn clean install t7:run" which will
+start a Tomcat 7 instance automatically or use "mvn package" and deploy the resulting
+war to the application server of your choice.
+
+Next, point your browser at
+ http://localhost:8080/sample-binding-comet-chat-webapp/
+
+You can now chat using multiple tabs or browsers. You can see the persistent HTTP
+streaming connection or long polling subsequent connections using the developer tools
+provided by your browser.
+
+The comet binding is an experimental binding so community feedback is much
+appreciated. Feel free to send comments or suggestions on the Apache Tuscany
+dev mailing list (dev@tuscany.apache.org). \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/pom.xml b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/pom.xml
new file mode 100644
index 0000000000..26b81e507c
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/pom.xml
@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.tuscany.sca</groupId>
+ <artifactId>tuscany-samples</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ <relativePath>../../../pom.xml</relativePath>
+ </parent>
+
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>sample-binding-comet-chat-webapp</artifactId>
+ <packaging>war</packaging>
+ <version>2.0-SNAPSHOT</version>
+ <name>Apache Tuscany SCA Sample binding.comet Chat Webapp</name>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-binding-comet-runtime</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ </dependency>
+ <dependency>
+ <groupId>javax</groupId>
+ <artifactId>javaee-web-api</artifactId>
+ <version>6.0</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-base-runtime-pom</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ <type>pom</type>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>com.google.guava</groupId>
+ <artifactId>guava</artifactId>
+ <version>r09</version>
+ <type>jar</type>
+ <scope>compile</scope>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>com.googlecode.t7mp</groupId>
+ <artifactId>maven-t7-plugin</artifactId>
+ <version>0.9.6</version>
+ <configuration>
+ <webapps>
+ <webappArtifact>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>sample-binding-comet-chat-webapp</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ </webappArtifact>
+ </webapps>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+</project>
+
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/ChatService.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/ChatService.java
new file mode 100644
index 0000000000..acb224715a
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/ChatService.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.tuscany.sca.sample.comet;
+
+import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback;
+import org.oasisopen.sca.annotation.Callback;
+import org.oasisopen.sca.annotation.OneWay;
+import org.oasisopen.sca.annotation.Remotable;
+
+@Callback(CometCallback.class)
+@Remotable
+public interface ChatService {
+
+ @OneWay
+ void register();
+
+ @OneWay
+ void postMessage(String user, String message);
+
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/ChatServiceImpl.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/ChatServiceImpl.java
new file mode 100644
index 0000000000..c4f3241c5b
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/ChatServiceImpl.java
@@ -0,0 +1,56 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+import java.util.ArrayList;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback;
+import org.apache.tuscany.sca.binding.comet.runtime.callback.Status;
+import org.oasisopen.sca.ComponentContext;
+import org.oasisopen.sca.annotation.Context;
+import org.oasisopen.sca.annotation.Scope;
+import org.oasisopen.sca.annotation.Service;
+
+@Service(ChatService.class)
+@Scope("COMPOSITE")
+public class ChatServiceImpl implements ChatService {
+
+ @Context
+ protected ComponentContext context;
+
+ private CopyOnWriteArrayList<CometCallback> clients = new CopyOnWriteArrayList<CometCallback>();
+
+ @Override
+ public void postMessage(String user, String message) {
+ for (CometCallback callback : new ArrayList<CometCallback>(clients)) {
+ Status status = callback.sendMessage(user + ": " + message);
+ if (status == Status.CLIENT_DISCONNECTED) {
+ clients.remove(callback);
+ }
+ }
+ }
+
+ @Override
+ public void register() {
+ // saving the callback object during register() method so it will push data back to the client
+ // using the callback method defined for the register operation in the js when used
+ clients.add(context.getRequestContext().<CometCallback> getCallback());
+ }
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/META-INF/MANIFEST.MF b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/META-INF/MANIFEST.MF
new file mode 100644
index 0000000000..58630c02ef
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/META-INF/MANIFEST.MF
@@ -0,0 +1,2 @@
+Manifest-Version: 1.0
+
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/WEB-INF/web.composite b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/WEB-INF/web.composite
new file mode 100644
index 0000000000..c535a38116
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/WEB-INF/web.composite
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+ xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.1"
+ targetNamespace="http://samples" name="Chat">
+
+ <component name="ChatComponent">
+ <implementation.java
+ class="org.apache.tuscany.sca.sample.comet.ChatServiceImpl" />
+ <service name="ChatService">
+ <interface.java interface="org.apache.tuscany.sca.sample.comet.ChatService"
+ callbackInterface="org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback" />
+ <tuscany:binding.comet />
+ <callback>
+ <tuscany:binding.comet />
+ </callback>
+ </service>
+ </component>
+
+</composite> \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/WEB-INF/web.xml b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/WEB-INF/web.xml
new file mode 100644
index 0000000000..25b06c457a
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:j2ee="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_3.0.xsd" version="3.0">
+ <display-name>Apache Tuscany Stock Comet Sample</display-name>
+ <filter>
+ <filter-name>tuscany</filter-name>
+ <filter-class>org.apache.tuscany.sca.host.webapp.TuscanyServletFilter</filter-class>
+ <async-supported>true</async-supported>
+ </filter>
+ <filter-mapping>
+ <filter-name>tuscany</filter-name>
+ <url-pattern>/*</url-pattern>
+ </filter-mapping>
+ <welcome-file-list>
+ <welcome-file>index.html</welcome-file>
+ </welcome-file-list>
+</web-app> \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/index.html b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/index.html
new file mode 100644
index 0000000000..a0948d374e
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/index.html
@@ -0,0 +1,109 @@
+<!--
+ * 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.
+-->
+<html>
+ <head>
+ <title>Apache Tuscany Comet Sample</title>
+ <!-- Tuscany Comet Javascript Toolkit is dependent on jQuery -->
+ <script type="text/javascript" src="jquery/jquery-1.4.2.min.js"></script>
+ <script type="text/javascript" src="tuscany-comet-js/org.apache.tuscany.sca.CometComponentContext.js"></script>
+ <script type="text/javascript">
+ var user = "";
+
+ $(document).ready(function()
+ {
+ $("#chat").hide();
+ $("#username").focus();
+
+ // Tuscany Comet specific API
+ SCA.TuscanyComet.connect();
+
+ $("#register").click(function() {
+ register(messageCallback);
+ });
+
+ $("#username").keyup(function(e) {
+ if(e.keyCode == 13) {
+ register(messageCallback);
+ }
+ });
+
+ function register(callback) {
+ SCA.CometComponentContext.ChatService.register(callback);
+ user = $("#username").val();
+ $("#login").hide();
+ $("#chat").show();
+ $("#message").focus();
+ }
+
+ $("#send").click(function() {
+ postMessage(user, $("#message").val(), postCallback);
+ });
+
+ $("#message").keyup(function(e) {
+ if(e.keyCode == 13) {
+ postMessage(user, $("#message").val(), postCallback);
+ }
+ });
+
+ function postMessage(user, message, callback) {
+ SCA.CometComponentContext.ChatService.postMessage(user, message, callback);
+ $("#message").val("");
+ $("#message").focus();
+ }
+
+ });
+
+ // this method is invoked on new messages because the CometCallback object is saved
+ // during the register call so uses it's callback to push data back
+ function messageCallback(response) {
+ var textarea = document.getElementById('textarea');
+ textarea.value += response + "\n";
+ textarea.scrollTop = textarea.scrollHeight;
+ }
+
+ function postCallback(response) {
+ }
+
+ </script>
+ </head>
+ <body>
+ <h2>Apache Tuscany Comet Sample</h2>
+ <h3>Chat</h3>
+ <p/>
+ <div id="login">
+ <table>
+ <tr>
+ <td>Nickname</td>
+ <td><input type="text" id='username'/></td>
+ <td><input type="button" id='register' value='Login'/></td>
+ </tr>
+ </table>
+ </div>
+ <div id="chat">
+ <h3>Server notifications</h3>
+ <textarea id="textarea" rows="15" cols="30" readonly></textarea>
+ <table>
+ <tr>
+ <td><input type="text" id='message'/></td>
+ <td><input type="button" id='send' value='Send'/></td>
+ </tr>
+ </table>
+ </div>
+ </body>
+</html>
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js
new file mode 100644
index 0000000000..48a88b8f48
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js
@@ -0,0 +1,154 @@
+/*!
+ * jQuery JavaScript Library v1.4.2
+ * http://jquery.com/
+ *
+ * Copyright 2010, John Resig
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * Includes Sizzle.js
+ * http://sizzlejs.com/
+ * Copyright 2010, The Dojo Foundation
+ * Released under the MIT, BSD, and GPL Licenses.
+ *
+ * Date: Sat Feb 13 22:33:48 2010 -0500
+ */
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+this.pos=this.state=0;var e=this;f.elem=this.elem;if(f()&&c.timers.push(f)&&!W)W=setInterval(c.fx.tick,13)},show:function(){this.options.orig[this.prop]=c.style(this.elem,this.prop);this.options.show=true;this.custom(this.prop==="width"||this.prop==="height"?1:0,this.cur());c(this.elem).show()},hide:function(){this.options.orig[this.prop]=c.style(this.elem,this.prop);this.options.hide=true;this.custom(this.cur(),0)},step:function(a){var b=J(),d=true;if(a||b>=this.options.duration+this.startTime){this.now=
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+function(a){var b=this[0];if(a)return this.each(function(e){c.offset.setOffset(this,a,e)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return c.offset.bodyOffset(b);var d=b.getBoundingClientRect(),f=b.ownerDocument;b=f.body;f=f.documentElement;return{top:d.top+(self.pageYOffset||c.support.boxModel&&f.scrollTop||b.scrollTop)-(f.clientTop||b.clientTop||0),left:d.left+(self.pageXOffset||c.support.boxModel&&f.scrollLeft||b.scrollLeft)-(f.clientLeft||b.clientLeft||0)}}:function(a){var b=
+this[0];if(a)return this.each(function(r){c.offset.setOffset(this,a,r)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return c.offset.bodyOffset(b);c.offset.initialize();var d=b.offsetParent,f=b,e=b.ownerDocument,j,i=e.documentElement,o=e.body;f=(e=e.defaultView)?e.getComputedStyle(b,null):b.currentStyle;for(var k=b.offsetTop,n=b.offsetLeft;(b=b.parentNode)&&b!==o&&b!==i;){if(c.offset.supportsFixedPosition&&f.position==="fixed")break;j=e?e.getComputedStyle(b,null):b.currentStyle;
+k-=b.scrollTop;n-=b.scrollLeft;if(b===d){k+=b.offsetTop;n+=b.offsetLeft;if(c.offset.doesNotAddBorder&&!(c.offset.doesAddBorderForTableAndCells&&/^t(able|d|h)$/i.test(b.nodeName))){k+=parseFloat(j.borderTopWidth)||0;n+=parseFloat(j.borderLeftWidth)||0}f=d;d=b.offsetParent}if(c.offset.subtractsBorderForOverflowNotVisible&&j.overflow!=="visible"){k+=parseFloat(j.borderTopWidth)||0;n+=parseFloat(j.borderLeftWidth)||0}f=j}if(f.position==="relative"||f.position==="static"){k+=o.offsetTop;n+=o.offsetLeft}if(c.offset.supportsFixedPosition&&
+f.position==="fixed"){k+=Math.max(i.scrollTop,o.scrollTop);n+=Math.max(i.scrollLeft,o.scrollLeft)}return{top:k,left:n}};c.offset={initialize:function(){var a=s.body,b=s.createElement("div"),d,f,e,j=parseFloat(c.curCSS(a,"marginTop",true))||0;c.extend(b.style,{position:"absolute",top:0,left:0,margin:0,border:0,width:"1px",height:"1px",visibility:"hidden"});b.innerHTML="<div style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;'><div></div></div><table style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;' cellpadding='0' cellspacing='0'><tr><td></td></tr></table>";
+a.insertBefore(b,a.firstChild);d=b.firstChild;f=d.firstChild;e=d.nextSibling.firstChild.firstChild;this.doesNotAddBorder=f.offsetTop!==5;this.doesAddBorderForTableAndCells=e.offsetTop===5;f.style.position="fixed";f.style.top="20px";this.supportsFixedPosition=f.offsetTop===20||f.offsetTop===15;f.style.position=f.style.top="";d.style.overflow="hidden";d.style.position="relative";this.subtractsBorderForOverflowNotVisible=f.offsetTop===-5;this.doesNotIncludeMarginInBodyOffset=a.offsetTop!==j;a.removeChild(b);
+c.offset.initialize=c.noop},bodyOffset:function(a){var b=a.offsetTop,d=a.offsetLeft;c.offset.initialize();if(c.offset.doesNotIncludeMarginInBodyOffset){b+=parseFloat(c.curCSS(a,"marginTop",true))||0;d+=parseFloat(c.curCSS(a,"marginLeft",true))||0}return{top:b,left:d}},setOffset:function(a,b,d){if(/static/.test(c.curCSS(a,"position")))a.style.position="relative";var f=c(a),e=f.offset(),j=parseInt(c.curCSS(a,"top",true),10)||0,i=parseInt(c.curCSS(a,"left",true),10)||0;if(c.isFunction(b))b=b.call(a,
+d,e);d={top:b.top-e.top+j,left:b.left-e.left+i};"using"in b?b.using.call(a,d):f.css(d)}};c.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),d=this.offset(),f=/^body|html$/i.test(b[0].nodeName)?{top:0,left:0}:b.offset();d.top-=parseFloat(c.curCSS(a,"marginTop",true))||0;d.left-=parseFloat(c.curCSS(a,"marginLeft",true))||0;f.top+=parseFloat(c.curCSS(b[0],"borderTopWidth",true))||0;f.left+=parseFloat(c.curCSS(b[0],"borderLeftWidth",true))||0;return{top:d.top-
+f.top,left:d.left-f.left}},offsetParent:function(){return this.map(function(){for(var a=this.offsetParent||s.body;a&&!/^body|html$/i.test(a.nodeName)&&c.css(a,"position")==="static";)a=a.offsetParent;return a})}});c.each(["Left","Top"],function(a,b){var d="scroll"+b;c.fn[d]=function(f){var e=this[0],j;if(!e)return null;if(f!==w)return this.each(function(){if(j=wa(this))j.scrollTo(!a?f:c(j).scrollLeft(),a?f:c(j).scrollTop());else this[d]=f});else return(j=wa(e))?"pageXOffset"in j?j[a?"pageYOffset":
+"pageXOffset"]:c.support.boxModel&&j.document.documentElement[d]||j.document.body[d]:e[d]}});c.each(["Height","Width"],function(a,b){var d=b.toLowerCase();c.fn["inner"+b]=function(){return this[0]?c.css(this[0],d,false,"padding"):null};c.fn["outer"+b]=function(f){return this[0]?c.css(this[0],d,false,f?"margin":"border"):null};c.fn[d]=function(f){var e=this[0];if(!e)return f==null?null:this;if(c.isFunction(f))return this.each(function(j){var i=c(this);i[d](f.call(this,j,i[d]()))});return"scrollTo"in
+e&&e.document?e.document.compatMode==="CSS1Compat"&&e.document.documentElement["client"+b]||e.document.body["client"+b]:e.nodeType===9?Math.max(e.documentElement["client"+b],e.body["scroll"+b],e.documentElement["scroll"+b],e.body["offset"+b],e.documentElement["offset"+b]):f===w?c.css(e,d):this.css(d,typeof f==="string"?f:f+"px")}});A.jQuery=A.$=c})(window); \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/README b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/README
new file mode 100644
index 0000000000..dc69bcf6fc
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/README
@@ -0,0 +1,100 @@
+Tuscany - Learning More - Binding Comet - Weather Monitor Webapp
+-----------------------------------------------------------------
+
+This sample demonstrates how Tuscany can expose services via Comet techniques
+as well as how to interact with them using Tuscany's javascript toolkit. It
+also demonstrates how to push multiple responses for a single request using
+SCA callbacks via comet techniques.
+
+This project contains multiple services that once called will push notifications
+to the client regarding certain weather parameters according to the location of
+the user. Of course, the service implementation is a mock that generates random
+numbers at a fixed interval of time as weather parameters.
+
+By adding <tuscany:binding.comet/> to a service definition, the Tuscany runtime
+will handle the communication between the browser client and the service
+implementation using Comet techniques. This enables bidirectional communication
+over HTTP, therefore enabling server push. For more information, check
+http://en.wikipedia.org/wiki/Comet_(programming).
+
+The comet binding is using the Atmosphere Framework under the hood to acomodate
+as many deployment envorinments as possible. Basically, it checks if the
+application server supports Servlet 3.0 falling back to a number of native
+comet solutions provided by vendors (Jetty, Tomcat, WebLogic, GlassFish and
+others). If none is available, Atmosphere will fallback to blocking IO.
+
+In order to enable callbacks to push multiple responses, you need to declare the
+CometCallback in the service definition as follows:
+ <interface.java interface="org.apache.tuscany.sca.sample.comet.ChatService"
+ callbackInterface="org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback" />
+ <tuscany:binding.comet />
+ <callback>
+ <tuscany:binding.comet />
+ </callback>
+
+The callback object has methods that facilitate sending messages back to the
+calling client. It can be injected in the service implementation using the @Callback
+annotation.
+
+One requirement that service methods have to meet to enable multiple response
+support is that they have to be annotated with @OneWay to enable non-blocking
+support. Without it, methods are treated synchronously sending a single response
+which is the object returned by the method call.
+
+Invoking comet services can be done using Tuscany's javascript API which simulates
+SCA in the browser. It uses the Atmosphere jQuery plugin under the hood. In order
+to use it, the following script has to be included in the client page:
+ <script type="text/javascript"
+ src="tuscany-comet-js/org.apache.tuscany.sca.CometComponentContext.js">
+ </script>
+
+The javascript toolkit permits choosing between two comet techniques: HTTP streaming
+and long polling. More detailed information about them can be found on the previously
+mentioned wikipedia page.
+
+First, a connect operation has to be issued in order to initiate communication
+with the server side using the technique of your choice. This is done using the
+connection method as follows:
+ SCA.TuscanyComet.connect('streaming'); // for HTTP streaming
+ SCA.TuscanyComet.connect('long-polling'); // for long polling
+ SCA.TuscanyComet.connect(); // starts with HTTP streaming and falls back to long polling if necessary
+
+The Tuscany Comet toolkit will inject proxies for all services defined in the composite
+that are using binding.comet. All invocation and connection management is handled
+under the hood so in order to invoke a comet service, the following should be called:
+ SCA.CometComponentContext.<service name>.<operation name>(<parameters>, callback);
+
+The callback parameter is the function that will handle responses received for a
+certain service operation. It has a single argument which is the response:
+ function callback(response) {
+ // handle response
+ };
+
+Note that the data exchange is automatically handled by the binding, so parameters
+will be mapped to the data types defined in the method definition. Also, the response
+will have the same data type as the server side object used to wrap the response.
+Objects are passed over the wire in JSON format.
+
+Another detail worth mentioning is that the binding will use a single HTTP
+connection to handle communication between a browser client and all services
+defined using binding.comet in the same composite. Requests and responses will get
+multiplexed via the same channel and get routed to the appropriate service
+implementation, respectively javascript function. This is done in order to avoid
+the 2 HTTP connection limit imposed by browsers. For more info, check
+http://www.openajax.org/runtime/wiki/The_Two_HTTP_Connection_Limit_Issue.
+
+In order to run the sample, you can execute "mvn clean install t7:run" which will
+start a Tomcat 7 instance automatically or use "mvn package" and deploy the resulting
+war to the application server of your choice.
+
+Next, point your browser at
+ http://localhost:8080/sample-binding-comet-weather-webapp/
+
+You can now set a location and register for various weather parameters. Notifications
+will be pushed to the browser when weather parameters change. You can see the persistent
+HTTP streaming connection or long polling subsequent connections using the developer
+tools provided by your browser.
+
+The comet binding is an experimental binding so community feedback is much
+appreciated. Feel free to send comments or suggestions on the Apache Tuscany
+dev mailing list (dev@tuscany.apache.org). \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/pom.xml b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/pom.xml
new file mode 100644
index 0000000000..758eba379d
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/pom.xml
@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.tuscany.sca</groupId>
+ <artifactId>tuscany-samples</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ <relativePath>../../../pom.xml</relativePath>
+ </parent>
+
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>sample-binding-comet-weather-webapp</artifactId>
+ <packaging>war</packaging>
+ <version>2.0-SNAPSHOT</version>
+ <name>Apache Tuscany SCA Sample binding.comet Weather Monitor Webapp</name>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-binding-comet-runtime</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ </dependency>
+ <dependency>
+ <groupId>javax</groupId>
+ <artifactId>javaee-web-api</artifactId>
+ <version>6.0</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-base-runtime-pom</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ <type>pom</type>
+ <scope>compile</scope>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>com.googlecode.t7mp</groupId>
+ <artifactId>maven-t7-plugin</artifactId>
+ <version>0.9.6</version>
+ <configuration>
+ <webapps>
+ <webappArtifact>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>sample-binding-comet-weather-webapp</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ </webappArtifact>
+ </webapps>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+</project>
+
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Helper.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Helper.java
new file mode 100644
index 0000000000..eecc6044ea
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Helper.java
@@ -0,0 +1,34 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+import java.util.Date;
+import java.util.Random;
+
+public final class Helper {
+
+ public static int randomInt(final int max) {
+ return (new Random(new Date().getTime()).nextInt(100));
+ }
+
+ private Helper() {
+ }
+
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/HumidityService.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/HumidityService.java
new file mode 100644
index 0000000000..7145e30e03
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/HumidityService.java
@@ -0,0 +1,35 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback;
+import org.apache.tuscany.sca.sample.comet.model.Location;
+import org.oasisopen.sca.annotation.Callback;
+import org.oasisopen.sca.annotation.OneWay;
+import org.oasisopen.sca.annotation.Remotable;
+
+@Remotable
+@Callback(CometCallback.class)
+public interface HumidityService {
+
+ @OneWay
+ void getHumidity(Location location);
+
+} \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/PrecipitationService.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/PrecipitationService.java
new file mode 100644
index 0000000000..a53fac5ed1
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/PrecipitationService.java
@@ -0,0 +1,35 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback;
+import org.apache.tuscany.sca.sample.comet.model.Location;
+import org.oasisopen.sca.annotation.Callback;
+import org.oasisopen.sca.annotation.OneWay;
+import org.oasisopen.sca.annotation.Remotable;
+
+@Remotable
+@Callback(CometCallback.class)
+public interface PrecipitationService {
+
+ @OneWay
+ void getPrecipitation(Location location);
+
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/PrecipitationServiceImpl.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/PrecipitationServiceImpl.java
new file mode 100644
index 0000000000..2c064a3ae6
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/PrecipitationServiceImpl.java
@@ -0,0 +1,56 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+import java.util.Date;
+import java.util.Timer;
+import java.util.TimerTask;
+
+import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback;
+import org.apache.tuscany.sca.binding.comet.runtime.callback.Status;
+import org.apache.tuscany.sca.sample.comet.model.Location;
+import org.apache.tuscany.sca.sample.comet.model.Response;
+import org.oasisopen.sca.annotation.Callback;
+import org.oasisopen.sca.annotation.Service;
+
+@Service(PrecipitationService.class)
+public class PrecipitationServiceImpl implements PrecipitationService {
+
+ @Callback
+ protected CometCallback client;
+
+ @Override
+ public void getPrecipitation(final Location location) {
+ new Timer().scheduleAtFixedRate(new TimerTask() {
+
+ @Override
+ public void run() {
+ Response response = new Response();
+ response.setDate(new Date());
+ response.setData(Helper.randomInt(100) + "%");
+ Status status = client.sendMessage(response);
+ if (status == Status.CLIENT_DISCONNECTED) {
+ System.out.println("Client disconnected from PrecipitationService.");
+ this.cancel();
+ }
+ }
+ }, 0L, 1000L);
+ }
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/TemperatureHumidityServiceImpl.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/TemperatureHumidityServiceImpl.java
new file mode 100644
index 0000000000..4227667e7f
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/TemperatureHumidityServiceImpl.java
@@ -0,0 +1,76 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+import java.util.Date;
+import java.util.Timer;
+import java.util.TimerTask;
+
+import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback;
+import org.apache.tuscany.sca.binding.comet.runtime.callback.Status;
+import org.apache.tuscany.sca.sample.comet.model.Location;
+import org.apache.tuscany.sca.sample.comet.model.Response;
+import org.oasisopen.sca.annotation.Callback;
+import org.oasisopen.sca.annotation.Service;
+
+@Service({ TemperatureService.class, HumidityService.class })
+public class TemperatureHumidityServiceImpl implements TemperatureService, HumidityService {
+
+ @Callback
+ protected CometCallback callback;
+
+ @Override
+ public void getHumidity(final Location location) {
+ new Timer().scheduleAtFixedRate(new TimerTask() {
+
+ @Override
+ public void run() {
+ final Response response = new Response();
+ response.setDate(new Date());
+ response.setData(Helper.randomInt(90) + "%");
+ Status status = callback.sendMessage(response);
+ if (status == Status.CLIENT_DISCONNECTED) {
+ System.out.println("Client disconnected from HumidityService.");
+ this.cancel();
+ }
+ }
+ }, 0L, 5000L);
+ }
+
+ @Override
+ public void getTemperature(final Location location, final int scale) {
+ new Timer().scheduleAtFixedRate(new TimerTask() {
+
+ @Override
+ public void run() {
+ final Response response = new Response();
+ response.setDate(new Date());
+ final String data = "" + Helper.randomInt(scale == TemperatureService.CELSIUS ? 40 : 150);
+ response.setData(data);
+ Status status = callback.sendMessage(response);
+ if (status == Status.CLIENT_DISCONNECTED) {
+ System.out.println("Client disconnected from TemperatureService.");
+ this.cancel();
+ }
+ }
+ }, 0L, 3000L);
+ }
+
+} \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/TemperatureService.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/TemperatureService.java
new file mode 100644
index 0000000000..83afae696f
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/TemperatureService.java
@@ -0,0 +1,38 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback;
+import org.apache.tuscany.sca.sample.comet.model.Location;
+import org.oasisopen.sca.annotation.Callback;
+import org.oasisopen.sca.annotation.OneWay;
+import org.oasisopen.sca.annotation.Remotable;
+
+@Remotable
+@Callback(CometCallback.class)
+public interface TemperatureService {
+
+ public static final int CELSIUS = 1;
+ public static final int FAHRENHEIT = 2;
+
+ @OneWay
+ void getTemperature(Location location, int scale);
+
+} \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/model/Location.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/model/Location.java
new file mode 100644
index 0000000000..ff2da3a360
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/model/Location.java
@@ -0,0 +1,43 @@
+/*
+ * 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.tuscany.sca.sample.comet.model;
+
+public class Location {
+
+ private String city;
+ private String country;
+
+ public String getCity() {
+ return this.city;
+ }
+
+ public void setCity(final String city) {
+ this.city = city;
+ }
+
+ public String getCountry() {
+ return this.country;
+ }
+
+ public void setCountry(final String country) {
+ this.country = country;
+ }
+
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/model/Response.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/model/Response.java
new file mode 100644
index 0000000000..aaa23f0b8a
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/model/Response.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.tuscany.sca.sample.comet.model;
+
+import java.util.Date;
+
+public class Response {
+
+ private Date date;
+ private String data;
+
+ public Date getDate() {
+ return this.date;
+ }
+
+ public void setDate(final Date date) {
+ this.date = date;
+ }
+
+ public String getData() {
+ return this.data;
+ }
+
+ public void setData(final String data) {
+ this.data = data;
+ }
+
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/META-INF/MANIFEST.MF b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/META-INF/MANIFEST.MF
new file mode 100644
index 0000000000..58630c02ef
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/META-INF/MANIFEST.MF
@@ -0,0 +1,2 @@
+Manifest-Version: 1.0
+
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/WEB-INF/web.composite b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/WEB-INF/web.composite
new file mode 100644
index 0000000000..20d25fe527
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/WEB-INF/web.composite
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+ xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.1"
+ targetNamespace="http://samples"
+ name="Weather">
+
+ <component name="c1">
+ <implementation.java class="org.apache.tuscany.sca.sample.comet.TemperatureHumidityServiceImpl"/>
+ <service name="TemperatureService">
+ <interface.java interface="org.apache.tuscany.sca.sample.comet.TemperatureService"
+ callbackInterface="org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback"/>
+ <tuscany:binding.comet/>
+ <callback>
+ <tuscany:binding.comet/>
+ </callback>
+ </service>
+ <service name="HumidityService">
+ <interface.java interface="org.apache.tuscany.sca.sample.comet.HumidityService"
+ callbackInterface="org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback"/>
+ <tuscany:binding.comet/>
+ <callback>
+ <tuscany:binding.comet/>
+ </callback>
+ </service>
+ </component>
+
+
+ <component name="c2">
+ <implementation.java class="org.apache.tuscany.sca.sample.comet.PrecipitationServiceImpl"/>
+ <service name="PrecipitationService">
+ <interface.java interface="org.apache.tuscany.sca.sample.comet.PrecipitationService"
+ callbackInterface="org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback"/>
+ <tuscany:binding.comet/>
+ <callback>
+ <tuscany:binding.comet/>
+ </callback>
+ </service>
+ </component>
+
+</composite> \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/WEB-INF/web.xml b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/WEB-INF/web.xml
new file mode 100644
index 0000000000..25b06c457a
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:j2ee="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_3.0.xsd" version="3.0">
+ <display-name>Apache Tuscany Stock Comet Sample</display-name>
+ <filter>
+ <filter-name>tuscany</filter-name>
+ <filter-class>org.apache.tuscany.sca.host.webapp.TuscanyServletFilter</filter-class>
+ <async-supported>true</async-supported>
+ </filter>
+ <filter-mapping>
+ <filter-name>tuscany</filter-name>
+ <url-pattern>/*</url-pattern>
+ </filter-mapping>
+ <welcome-file-list>
+ <welcome-file>index.html</welcome-file>
+ </welcome-file-list>
+</web-app> \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/index.html b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/index.html
new file mode 100644
index 0000000000..59ad2a069b
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/index.html
@@ -0,0 +1,160 @@
+<!--
+ * 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.
+-->
+<html>
+ <head>
+ <title>Apache Tuscany Comet Sample</title>
+ <!-- Tuscany Comet Javascript Toolkit is dependent on jQuery -->
+ <script type="text/javascript" src="jquery/jquery-1.4.2.min.js"></script>
+ <script type="text/javascript" src="tuscany-comet-js/org.apache.tuscany.sca.CometComponentContext.js"></script>
+ <script type="text/javascript">
+ $(document).ready(function()
+ {
+ // Initialization
+ var location = new Object();
+ location.city = null;
+ location.country = null;
+
+ document.getElementById('locationButton').disabled = true;
+ document.getElementById('tempCButton').disabled = true;
+ document.getElementById('tempFButton').disabled = true;
+ document.getElementById('humButton').disabled = true;
+ document.getElementById('precipButton').disabled = true;
+
+ document.getElementById('locationButton').onclick = function(event) {
+ location.city = document.getElementById('city').value;
+ location.country = document.getElementById('country').value;
+ document.getElementById('locationButton').value = 'Switch location';
+ document.getElementById('tempCButton').disabled = false;
+ document.getElementById('tempFButton').disabled = false;
+ document.getElementById('humButton').disabled = false;
+ document.getElementById('precipButton').disabled = false;
+ document.getElementById('tempCText').textContent = 'N/A';
+ document.getElementById('tempCDate').textContent = '';
+ document.getElementById('tempFText').textContent = 'N/A';
+ document.getElementById('tempFDate').textContent = '';
+ document.getElementById('humText').textContent = 'N/A';
+ document.getElementById('humDate').textContent = '';
+ document.getElementById('precipText').textContent = 'N/A';
+ document.getElementById('precipDate').textContent = '';
+ }
+
+ // Tuscany Comet specific API
+
+ document.getElementById('connect').onclick = function(event) {
+ /* transport can be : long-polling or streaming */
+ SCA.TuscanyComet.connect(document.getElementById('transport').value);
+ document.getElementById('connect').value = 'Switch';
+ document.getElementById('locationButton').disabled = false;
+ }
+
+
+ document.getElementById('tempCButton').onclick = function(event) {
+ SCA.CometComponentContext.TemperatureService.getTemperature(location, 1, updateTempC);
+ document.getElementById('tempCButton').disabled = true;
+ }
+
+ document.getElementById('tempFButton').onclick = function(event) {
+ SCA.CometComponentContext.TemperatureService.getTemperature(location, 2, updateTempF);
+ document.getElementById('tempFButton').disabled = true;
+ }
+
+ document.getElementById('humButton').onclick = function(event) {
+ SCA.CometComponentContext.HumidityService.getHumidity(location, updateHum);
+ document.getElementById('humButton').disabled = true;
+ }
+
+ document.getElementById('precipButton').onclick = function(event) {
+ SCA.CometComponentContext.PrecipitationService.getPrecipitation(location, updatePrecip);
+ document.getElementById('precipButton').disabled = true;
+ }
+ });
+
+ function updateTempC(response) {
+ document.getElementById('tempCText').textContent = response.data;
+ document.getElementById('tempCDate').textContent = response.date;
+ }
+
+ function updateTempF(response) {
+ document.getElementById('tempFText').textContent = response.data;
+ document.getElementById('tempFDate').textContent = response.date;
+ }
+
+ function updateHum(response) {
+ document.getElementById('humText').textContent = response.data;
+ document.getElementById('humDate').textContent = response.date;
+ }
+
+ function updatePrecip(response) {
+ document.getElementById('precipText').textContent = response.data;
+ document.getElementById('precipDate').textContent = response.date;
+ }
+ </script>
+ </head>
+ <body>
+ <div id='sidebar'>
+ <h2>Apache Tuscany Comet Sample</h2>
+ <label>Select transport</label>
+ <select id="transport">
+ <option id="streaming" value="streaming">http streaming</option>
+ <option id="long-polling" value="long-polling">long-polling</option>
+ </select>
+ <input id='connect' type='submit' value='Connect'/>
+ <h3>Weather Monitor</h3>
+ <p/>
+ <table>
+ <tr>
+ <td>City</td>
+ <td><input type="text" id='city' value='Brasov'/></td>
+ </tr>
+ <tr>
+ <td>Country</td>
+ <td><input type="text" id ='country' value='Romania'/></td>
+ </tr>
+ </table>
+ <input type="button" id='locationButton' value='Set location'/>
+ <p/>
+ <table>
+ <tr>
+ <th align="left">Temperature (Celsius):</th>
+ <td><span id='tempCText'>N/A</span></td>
+ <td><input type='button' id='tempCButton' value="Update"/></td>
+ <td><span id='tempCDate'></span>
+ </tr>
+ <tr>
+ <th align="left">Temperature (Fahrenheit):</th>
+ <td><span id='tempFText'>N/A</span></td>
+ <td><input type='button' id='tempFButton' value="Update"/></td>
+ <td><span id='tempFDate'></span>
+ </tr>
+ <tr>
+ <th align="left">Humidity:</th>
+ <td><span id='humText'>N/A</span></td>
+ <td><input type='button' id='humButton' value="Update"/></td>
+ <td><span id='humDate'></span>
+ </tr>
+ <tr>
+ <th align="left">Precipitation probability:</th>
+ <td><span id='precipText'>N/A</span></td>
+ <td><input type='button' id='precipButton' value="Update"/></td>
+ <td><span id='precipDate'></span>
+ </tr>
+ </table>
+ </div>
+ </body>
+</html>
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js
new file mode 100644
index 0000000000..48a88b8f48
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/multiple-response-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js
@@ -0,0 +1,154 @@
+/*!
+ * jQuery JavaScript Library v1.4.2
+ * http://jquery.com/
+ *
+ * Copyright 2010, John Resig
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * Includes Sizzle.js
+ * http://sizzlejs.com/
+ * Copyright 2010, The Dojo Foundation
+ * Released under the MIT, BSD, and GPL Licenses.
+ *
+ * Date: Sat Feb 13 22:33:48 2010 -0500
+ */
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+c.offset.initialize=c.noop},bodyOffset:function(a){var b=a.offsetTop,d=a.offsetLeft;c.offset.initialize();if(c.offset.doesNotIncludeMarginInBodyOffset){b+=parseFloat(c.curCSS(a,"marginTop",true))||0;d+=parseFloat(c.curCSS(a,"marginLeft",true))||0}return{top:b,left:d}},setOffset:function(a,b,d){if(/static/.test(c.curCSS(a,"position")))a.style.position="relative";var f=c(a),e=f.offset(),j=parseInt(c.curCSS(a,"top",true),10)||0,i=parseInt(c.curCSS(a,"left",true),10)||0;if(c.isFunction(b))b=b.call(a,
+d,e);d={top:b.top-e.top+j,left:b.left-e.left+i};"using"in b?b.using.call(a,d):f.css(d)}};c.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),d=this.offset(),f=/^body|html$/i.test(b[0].nodeName)?{top:0,left:0}:b.offset();d.top-=parseFloat(c.curCSS(a,"marginTop",true))||0;d.left-=parseFloat(c.curCSS(a,"marginLeft",true))||0;f.top+=parseFloat(c.curCSS(b[0],"borderTopWidth",true))||0;f.left+=parseFloat(c.curCSS(b[0],"borderLeftWidth",true))||0;return{top:d.top-
+f.top,left:d.left-f.left}},offsetParent:function(){return this.map(function(){for(var a=this.offsetParent||s.body;a&&!/^body|html$/i.test(a.nodeName)&&c.css(a,"position")==="static";)a=a.offsetParent;return a})}});c.each(["Left","Top"],function(a,b){var d="scroll"+b;c.fn[d]=function(f){var e=this[0],j;if(!e)return null;if(f!==w)return this.each(function(){if(j=wa(this))j.scrollTo(!a?f:c(j).scrollLeft(),a?f:c(j).scrollTop());else this[d]=f});else return(j=wa(e))?"pageXOffset"in j?j[a?"pageYOffset":
+"pageXOffset"]:c.support.boxModel&&j.document.documentElement[d]||j.document.body[d]:e[d]}});c.each(["Height","Width"],function(a,b){var d=b.toLowerCase();c.fn["inner"+b]=function(){return this[0]?c.css(this[0],d,false,"padding"):null};c.fn["outer"+b]=function(f){return this[0]?c.css(this[0],d,false,f?"margin":"border"):null};c.fn[d]=function(f){var e=this[0];if(!e)return f==null?null:this;if(c.isFunction(f))return this.each(function(j){var i=c(this);i[d](f.call(this,j,i[d]()))});return"scrollTo"in
+e&&e.document?e.document.compatMode==="CSS1Compat"&&e.document.documentElement["client"+b]||e.document.body["client"+b]:e.nodeType===9?Math.max(e.documentElement["client"+b],e.body["scroll"+b],e.documentElement["scroll"+b],e.body["offset"+b],e.documentElement["offset"+b]):f===w?c.css(e,d):this.css(d,typeof f==="string"?f:f+"px")}});A.jQuery=A.$=c})(window); \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/pom.xml b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pom.xml
new file mode 100644
index 0000000000..46513a29fa
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pom.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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>
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-samples-learning-more</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ <relativePath>../pom.xml</relativePath>
+ </parent>
+ <artifactId>tuscany-samples-binding-comet</artifactId>
+ <packaging>pom</packaging>
+ <name>Apache Tuscany SCA Sample binding.comet</name>
+
+ <profiles>
+ <profile>
+ <id>default</id>
+ <activation>
+ <activeByDefault>true</activeByDefault>
+ </activation>
+ <modules>
+ <module>single-response-webapp</module>
+ <module>multiple-response-webapp</module>
+ <module>pubsub-webapp</module>
+ <module>chat-webapp</module>
+ </modules>
+ </profile>
+ </profiles>
+</project>
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/README b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/README
new file mode 100644
index 0000000000..845ff70e58
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/README
@@ -0,0 +1,102 @@
+Tuscany - Learning More - Binding Comet - PubSub Webapp
+-----------------------------------------------------------------
+
+This sample demonstrates how Tuscany can expose services via Comet techniques
+as well as how to interact with them using Tuscany's javascript toolkit. It
+also demonstrates how to push multiple responses for a single request using
+SCA callbacks via comet techniques.
+
+This project contains a component that registers browser clients' interest in a
+certain event type. When an event of that type comes in, it notifies all registered
+clients. The event processor exposes a service via the websocket binding which
+enables server push to clients. Note that Tuscany 2.x doesn't have any conversational
+support so this has to be handled at application level by passing ids back and forth
+between the client and the server.
+
+By adding <tuscany:binding.comet/> to a service definition, the Tuscany runtime
+will handle the communication between the browser client and the service
+implementation using Comet techniques. This enables bidirectional communication
+over HTTP, therefore enabling server push. For more information, check
+http://en.wikipedia.org/wiki/Comet_(programming).
+
+The comet binding is using the Atmosphere Framework under the hood to acomodate
+as many deployment envorinments as possible. Basically, it checks if the
+application server supports Servlet 3.0 falling back to a number of native
+comet solutions provided by vendors (Jetty, Tomcat, WebLogic, GlassFish and
+others). If none is available, Atmosphere will fallback to blocking IO.
+
+In order to enable callbacks to push multiple responses, you need to declare the
+CometCallback in the service definition as follows:
+ <interface.java interface="org.apache.tuscany.sca.sample.comet.ChatService"
+ callbackInterface="org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback" />
+ <tuscany:binding.comet />
+ <callback>
+ <tuscany:binding.comet />
+ </callback>
+
+The callback object has methods that facilitate sending messages back to the
+calling client. It can be injected in the service implementation using the @Callback
+annotation.
+
+One requirement that service methods have to meet to enable multiple response
+support is that they have to be annotated with @OneWay to enable non-blocking
+support. Without it, methods are treated synchronously sending a single response
+which is the object returned by the method call.
+
+Invoking comet services can be done using Tuscany's javascript API which simulates
+SCA in the browser. It uses the Atmosphere jQuery plugin under the hood. In order
+to use it, the following script has to be included in the client page:
+ <script type="text/javascript"
+ src="tuscany-comet-js/org.apache.tuscany.sca.CometComponentContext.js">
+ </script>
+
+The javascript toolkit permits choosing between two comet techniques: HTTP streaming
+and long polling. More detailed information about them can be found on the previously
+mentioned wikipedia page.
+
+First, a connect operation has to be issued in order to initiate communication
+with the server side using the technique of your choice. This is done using the
+connection method as follows:
+ SCA.TuscanyComet.connect('streaming'); // for HTTP streaming
+ SCA.TuscanyComet.connect('long-polling'); // for long polling
+ SCA.TuscanyComet.connect(); // starts with HTTP streaming and falls back to long polling if necessary
+
+The Tuscany Comet toolkit will inject proxies for all services defined in the composite
+that are using binding.comet. All invocation and connection management is handled
+under the hood so in order to invoke a comet service, the following should be called:
+ SCA.CometComponentContext.<service name>.<operation name>(<parameters>, callback);
+
+The callback parameter is the function that will handle responses received for a
+certain service operation. It has a single argument which is the response:
+ function callback(response) {
+ // handle response
+ };
+
+Note that the data exchange is automatically handled by the binding, so parameters
+will be mapped to the data types defined in the method definition. Also, the response
+will have the same data type as the server side object used to wrap the response.
+Objects are passed over the wire in JSON format.
+
+Another detail worth mentioning is that the binding will use a single HTTP
+connection to handle communication between a browser client and all services
+defined using binding.comet in the same composite. Requests and responses will get
+multiplexed via the same channel and get routed to the appropriate service
+implementation, respectively javascript function. This is done in order to avoid
+the 2 HTTP connection limit imposed by browsers. For more info, check
+http://www.openajax.org/runtime/wiki/The_Two_HTTP_Connection_Limit_Issue.
+
+In order to run the sample, you can execute "mvn clean install t7:run" which will
+start a Tomcat 7 instance automatically or use "mvn package" and deploy the resulting
+war to the application server of your choice.
+
+Next, point your browser at
+ http://localhost:8080/sample-binding-comet-chat-webapp/
+
+You can now register or unregister for any of a number of events. When an event is fired
+on the server side, the browser client will receive a notification which will be displayed
+in the page. You can see the persistent HTTP streaming connection or long polling subsequent
+connections using the developer tools provided by your browser.
+
+The comet binding is an experimental binding so community feedback is much
+appreciated. Feel free to send comments or suggestions on the Apache Tuscany
+dev mailing list (dev@tuscany.apache.org). \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/pom.xml b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/pom.xml
new file mode 100644
index 0000000000..3ff9dec58f
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/pom.xml
@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.tuscany.sca</groupId>
+ <artifactId>tuscany-samples</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ <relativePath>../../../pom.xml</relativePath>
+ </parent>
+
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>sample-binding-comet-pubsub-webapp</artifactId>
+ <packaging>war</packaging>
+ <version>2.0-SNAPSHOT</version>
+ <name>Apache Tuscany SCA Sample binding.comet PubSub Webapp</name>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-binding-comet-runtime</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ </dependency>
+ <dependency>
+ <groupId>javax</groupId>
+ <artifactId>javaee-web-api</artifactId>
+ <version>6.0</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-base-runtime-pom</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ <type>pom</type>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>com.google.guava</groupId>
+ <artifactId>guava</artifactId>
+ <version>r09</version>
+ <type>jar</type>
+ <scope>compile</scope>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>com.googlecode.t7mp</groupId>
+ <artifactId>maven-t7-plugin</artifactId>
+ <version>0.9.6</version>
+ <configuration>
+ <webapps>
+ <webappArtifact>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>sample-binding-comet-pubsub-webapp</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ </webappArtifact>
+ </webapps>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+</project>
+
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java
new file mode 100644
index 0000000000..bcc6bea7af
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java
@@ -0,0 +1,51 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+public class Event {
+
+ private String id;
+ private String name;
+ private String data;
+
+ public String getId() {
+ return id;
+ }
+
+ public void setId(String id) {
+ this.id = id;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public String getData() {
+ return data;
+ }
+
+ public void setData(String data) {
+ this.data = data;
+ }
+
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java
new file mode 100644
index 0000000000..838d2f317c
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java
@@ -0,0 +1,107 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+
+import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback;
+import org.apache.tuscany.sca.binding.comet.runtime.callback.Status;
+import org.oasisopen.sca.ComponentContext;
+import org.oasisopen.sca.annotation.Context;
+import org.oasisopen.sca.annotation.Destroy;
+import org.oasisopen.sca.annotation.Scope;
+import org.oasisopen.sca.annotation.Service;
+
+import com.google.common.collect.HashMultimap;
+import com.google.common.collect.Multimap;
+import com.google.common.collect.Multimaps;
+
+@Service({ EventProcessorConsumerService.class, EventProcessorProducerService.class })
+@Scope("COMPOSITE")
+public class EventProcessor implements EventProcessorConsumerService, EventProcessorProducerService {
+
+ @Context
+ protected ComponentContext componentContext;
+
+ private ConcurrentMap<String, CometCallback> clients = new ConcurrentHashMap<String, CometCallback>();
+ private Multimap<String, String> eventListeners = Multimaps.synchronizedMultimap(HashMultimap
+ .<String, String> create());
+
+ @Override
+ public void onEvent(String eventName, String eventData) {
+ // System.out.println("EventProcessor: Received event " + eventName +
+ // "...");
+ List<String> destinations = new ArrayList<String>();
+ synchronized (eventListeners) {
+ destinations.addAll(eventListeners.get(eventName));
+ }
+ Event event = new Event();
+ event.setName(eventName);
+ event.setData(eventData);
+ for (String registrationId : destinations) {
+ CometCallback client = clients.get(registrationId);
+ if (client == null) {
+ // client has unregistered from this event
+ synchronized (eventListeners) {
+ eventListeners.remove(eventName, registrationId);
+ }
+ } else {
+ Status status = client.sendMessage(event);
+ if (status == Status.CLIENT_DISCONNECTED) {
+ unregister(registrationId);
+ }
+ }
+ }
+ }
+
+ @Override
+ public void register(String eventName) {
+ String registrationId = UUID.randomUUID().toString();
+ CometCallback callback = componentContext.getRequestContext().getCallback();
+ clients.put(registrationId, callback);
+ synchronized (eventListeners) {
+ eventListeners.put(eventName, registrationId);
+ }
+ Event event = new Event();
+ event.setId(registrationId);
+ event.setName(eventName);
+ event.setData(new Date().toString());
+ callback.sendMessage(event);
+ }
+
+ @Override
+ public void unregister(String registrationId) {
+ clients.remove(registrationId);
+ // unregistration from eventListeners done during onEvent
+ }
+
+ @Destroy
+ public void shutdown() {
+ clients.clear();
+ eventListeners.clear();
+ clients = null;
+ eventListeners = null;
+ }
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java
new file mode 100644
index 0000000000..c8208e862c
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java
@@ -0,0 +1,37 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback;
+import org.oasisopen.sca.annotation.Callback;
+import org.oasisopen.sca.annotation.OneWay;
+import org.oasisopen.sca.annotation.Remotable;
+
+@Callback(CometCallback.class)
+@Remotable
+public interface EventProcessorConsumerService {
+
+ @OneWay
+ void register(String eventName);
+
+ @OneWay
+ void unregister(String registrationId);
+
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java
new file mode 100644
index 0000000000..49d760d171
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java
@@ -0,0 +1,28 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+@Remotable
+public interface EventProcessorProducerService {
+
+ void onEvent(String eventName, String eventData);
+
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java
new file mode 100644
index 0000000000..59307824ce
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java
@@ -0,0 +1,76 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+import java.util.Date;
+import java.util.Timer;
+import java.util.TimerTask;
+
+import org.oasisopen.sca.annotation.Constructor;
+import org.oasisopen.sca.annotation.Destroy;
+import org.oasisopen.sca.annotation.EagerInit;
+import org.oasisopen.sca.annotation.Init;
+import org.oasisopen.sca.annotation.Property;
+import org.oasisopen.sca.annotation.Reference;
+import org.oasisopen.sca.annotation.Scope;
+
+@EagerInit
+@Scope("COMPOSITE")
+public class Producer {
+
+ @Reference
+ protected EventProcessorProducerService eventProcessor;
+
+ private String eventName;
+ private long frequency;
+
+ private Timer timer = new Timer();
+ private Object lock = new Object();
+
+ @Constructor
+ public Producer(@Property(name = "eventName") String eventName, @Property(name = "frequency") long frequency) {
+ System.out.println("Producer: In Constructor with eventName=" + eventName + " and frequency=" + frequency);
+ this.eventName = eventName;
+ this.frequency = frequency;
+ }
+
+ @Init
+ public void start() {
+ System.out.println("Producer: In Init...");
+ timer.schedule(new TimerTask() {
+
+ @Override
+ public void run() {
+// System.out.println("Producer: Producing " + eventName + " event...");
+ synchronized (lock) {
+ eventProcessor.onEvent(Producer.this.eventName, "Event @ " + new Date());
+ }
+ }
+ }, 0L, this.frequency);
+ }
+
+ @Destroy
+ public void stop() {
+ synchronized (lock) {
+ timer.cancel();
+ }
+ timer = null;
+ }
+
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF
new file mode 100644
index 0000000000..58630c02ef
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF
@@ -0,0 +1,2 @@
+Manifest-Version: 1.0
+
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite
new file mode 100644
index 0000000000..6479e10e99
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+ xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.1"
+ targetNamespace="http://samples" name="Event">
+
+ <component name="EventProcessorComponent">
+ <implementation.java
+ class="org.apache.tuscany.sca.sample.comet.EventProcessor" />
+ <service name="EventProcessorConsumerService">
+ <interface.java
+ interface="org.apache.tuscany.sca.sample.comet.EventProcessorConsumerService"
+ callbackInterface="org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback" />
+ <tuscany:binding.comet />
+ <callback>
+ <tuscany:binding.comet />
+ </callback>
+ </service>
+ <service name="EventProcessorProducerService">
+ <interface.java
+ interface="org.apache.tuscany.sca.sample.comet.EventProcessorProducerService" />
+ </service>
+ </component>
+
+ <component name="SLOWProducerComponent">
+ <implementation.java class="org.apache.tuscany.sca.sample.comet.Producer" />
+ <reference name="eventProcessor" target="EventProcessorComponent" />
+ <property name="eventName">SLOW</property>
+ <property name="frequency">6000</property>
+ </component>
+
+ <component name="MODERATEProducerComponent">
+ <implementation.java class="org.apache.tuscany.sca.sample.comet.Producer" />
+ <reference name="eventProcessor" target="EventProcessorComponent" />
+ <property name="eventName">MODERATE</property>
+ <property name="frequency">3000</property>
+ </component>
+
+ <component name="FASTProducerComponent">
+ <implementation.java class="org.apache.tuscany.sca.sample.comet.Producer" />
+ <reference name="eventProcessor" target="EventProcessorComponent" />
+ <property name="eventName">FAST</property>
+ <property name="frequency">1000</property>
+ </component>
+
+</composite> \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml
new file mode 100644
index 0000000000..25b06c457a
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:j2ee="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_3.0.xsd" version="3.0">
+ <display-name>Apache Tuscany Stock Comet Sample</display-name>
+ <filter>
+ <filter-name>tuscany</filter-name>
+ <filter-class>org.apache.tuscany.sca.host.webapp.TuscanyServletFilter</filter-class>
+ <async-supported>true</async-supported>
+ </filter>
+ <filter-mapping>
+ <filter-name>tuscany</filter-name>
+ <url-pattern>/*</url-pattern>
+ </filter-mapping>
+ <welcome-file-list>
+ <welcome-file>index.html</welcome-file>
+ </welcome-file-list>
+</web-app> \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html
new file mode 100644
index 0000000000..e7b6354ac9
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html
@@ -0,0 +1,113 @@
+<!--
+ * 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.
+-->
+<html>
+<head>
+<title>Apache Tuscany Comet Sample</title>
+<!-- Tuscany Comet Javascript Toolkit is dependent on jQuery -->
+<script type="text/javascript"
+ src="jquery/jquery-1.4.2.min.js"></script>
+<script type="text/javascript"
+ src="tuscany-comet-js/org.apache.tuscany.sca.CometComponentContext.js"></script>
+<script type="text/javascript">
+ $(document).ready(function()
+ {
+ document.getElementById('registerEventButton').onclick = function(event) {
+ document.getElementById('registerEventName').value;
+ }
+
+ // Tuscany Comet specific API
+ document.getElementById('connect').onclick = function(event) {
+ /* transport can be : long-polling or streaming */
+ SCA.TuscanyComet.connect(document.getElementById('transport').value);
+ document.getElementById('connect').value = 'Switch';
+ }
+
+
+ document.getElementById('registerEventButton').onclick = function(event) {
+ var eventName = document.getElementById('registerEventName').value;
+ if (registrationIds[eventName] != null) {
+ alert("Already registered for " + eventName + " events");
+ } else {
+ SCA.CometComponentContext.EventProcessorConsumerService.register(eventName, responseReceived);
+ }
+ }
+
+ document.getElementById('unregisterEventButton').onclick = function(event) {
+ var eventName = document.getElementById('unregisterEventName').value;
+ if (registrationIds[eventName] != null) {
+ SCA.CometComponentContext.EventProcessorConsumerService.unregister(registrationIds[eventName], responseReceived);
+ registrationIds[eventName] = null;
+ } else {
+ alert("Not registered for " + eventName + " events");
+ }
+ }
+
+ });
+
+ var registrationIds = {};
+
+ function responseReceived(event) {
+ var text = '';
+ if (event.id != null) {
+ // registration notification
+ registrationIds[event.name] = event.id;
+ text = "Registered to " + event.name + " with id " + event.id + " at " + event.data;
+ } else {
+ // event notification
+ text = event.name + ": " + event.data;
+ }
+ var textarea = document.getElementById('textarea');
+ textarea.value += text + "\n";
+ textarea.scrollTop = textarea.scrollHeight;
+ }
+
+ </script>
+</head>
+<body>
+ <div id='sidebar'>
+ <h2>Apache Tuscany Comet Sample</h2>
+ <label>Select transport</label> <select id="transport">
+ <option id="streaming" value="streaming">http streaming</option>
+ <option id="long-polling" value="long-polling">long-polling</option>
+ </select> <input id='connect' type='submit' value='Connect' />
+ <h3>PubSub for FAST, MODERATE and SLOW events</h3>
+ <p />
+ <table>
+ <tr>
+ <td>Event name</td>
+ <td><input type="text" id='registerEventName' value='FAST' />
+ </td>
+ <td><input type="button" id='registerEventButton'
+ value='Register' />
+ </td>
+ </tr>
+ <tr>
+ <td>Event name</td>
+ <td><input type="text" id='unregisterEventName' value='FAST' />
+ </td>
+ <td><input type="button" id='unregisterEventButton'
+ value='Unregister' />
+ </td>
+ </tr>
+ </table>
+ <h3>Server notifications</h3>
+ <textarea id="textarea" rows="15" cols="80" readonly></textarea>
+ </div>
+</body>
+</html>
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js
new file mode 100644
index 0000000000..48a88b8f48
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js
@@ -0,0 +1,154 @@
+/*!
+ * jQuery JavaScript Library v1.4.2
+ * http://jquery.com/
+ *
+ * Copyright 2010, John Resig
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * Includes Sizzle.js
+ * http://sizzlejs.com/
+ * Copyright 2010, The Dojo Foundation
+ * Released under the MIT, BSD, and GPL Licenses.
+ *
+ * Date: Sat Feb 13 22:33:48 2010 -0500
+ */
+(function(A,w){function ma(){if(!c.isReady){try{s.documentElement.doScroll("left")}catch(a){setTimeout(ma,1);return}c.ready()}}function Qa(a,b){b.src?c.ajax({url:b.src,async:false,dataType:"script"}):c.globalEval(b.text||b.textContent||b.innerHTML||"");b.parentNode&&b.parentNode.removeChild(b)}function X(a,b,d,f,e,j){var i=a.length;if(typeof b==="object"){for(var o in b)X(a,o,b[o],f,e,d);return a}if(d!==w){f=!j&&f&&c.isFunction(d);for(o=0;o<i;o++)e(a[o],b,f?d.call(a[o],o,e(a[o],b)):d,j);return a}return i?
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+function(a){var b=this[0];if(a)return this.each(function(e){c.offset.setOffset(this,a,e)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return c.offset.bodyOffset(b);var d=b.getBoundingClientRect(),f=b.ownerDocument;b=f.body;f=f.documentElement;return{top:d.top+(self.pageYOffset||c.support.boxModel&&f.scrollTop||b.scrollTop)-(f.clientTop||b.clientTop||0),left:d.left+(self.pageXOffset||c.support.boxModel&&f.scrollLeft||b.scrollLeft)-(f.clientLeft||b.clientLeft||0)}}:function(a){var b=
+this[0];if(a)return this.each(function(r){c.offset.setOffset(this,a,r)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return c.offset.bodyOffset(b);c.offset.initialize();var d=b.offsetParent,f=b,e=b.ownerDocument,j,i=e.documentElement,o=e.body;f=(e=e.defaultView)?e.getComputedStyle(b,null):b.currentStyle;for(var k=b.offsetTop,n=b.offsetLeft;(b=b.parentNode)&&b!==o&&b!==i;){if(c.offset.supportsFixedPosition&&f.position==="fixed")break;j=e?e.getComputedStyle(b,null):b.currentStyle;
+k-=b.scrollTop;n-=b.scrollLeft;if(b===d){k+=b.offsetTop;n+=b.offsetLeft;if(c.offset.doesNotAddBorder&&!(c.offset.doesAddBorderForTableAndCells&&/^t(able|d|h)$/i.test(b.nodeName))){k+=parseFloat(j.borderTopWidth)||0;n+=parseFloat(j.borderLeftWidth)||0}f=d;d=b.offsetParent}if(c.offset.subtractsBorderForOverflowNotVisible&&j.overflow!=="visible"){k+=parseFloat(j.borderTopWidth)||0;n+=parseFloat(j.borderLeftWidth)||0}f=j}if(f.position==="relative"||f.position==="static"){k+=o.offsetTop;n+=o.offsetLeft}if(c.offset.supportsFixedPosition&&
+f.position==="fixed"){k+=Math.max(i.scrollTop,o.scrollTop);n+=Math.max(i.scrollLeft,o.scrollLeft)}return{top:k,left:n}};c.offset={initialize:function(){var a=s.body,b=s.createElement("div"),d,f,e,j=parseFloat(c.curCSS(a,"marginTop",true))||0;c.extend(b.style,{position:"absolute",top:0,left:0,margin:0,border:0,width:"1px",height:"1px",visibility:"hidden"});b.innerHTML="<div style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;'><div></div></div><table style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;' cellpadding='0' cellspacing='0'><tr><td></td></tr></table>";
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+c.offset.initialize=c.noop},bodyOffset:function(a){var b=a.offsetTop,d=a.offsetLeft;c.offset.initialize();if(c.offset.doesNotIncludeMarginInBodyOffset){b+=parseFloat(c.curCSS(a,"marginTop",true))||0;d+=parseFloat(c.curCSS(a,"marginLeft",true))||0}return{top:b,left:d}},setOffset:function(a,b,d){if(/static/.test(c.curCSS(a,"position")))a.style.position="relative";var f=c(a),e=f.offset(),j=parseInt(c.curCSS(a,"top",true),10)||0,i=parseInt(c.curCSS(a,"left",true),10)||0;if(c.isFunction(b))b=b.call(a,
+d,e);d={top:b.top-e.top+j,left:b.left-e.left+i};"using"in b?b.using.call(a,d):f.css(d)}};c.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),d=this.offset(),f=/^body|html$/i.test(b[0].nodeName)?{top:0,left:0}:b.offset();d.top-=parseFloat(c.curCSS(a,"marginTop",true))||0;d.left-=parseFloat(c.curCSS(a,"marginLeft",true))||0;f.top+=parseFloat(c.curCSS(b[0],"borderTopWidth",true))||0;f.left+=parseFloat(c.curCSS(b[0],"borderLeftWidth",true))||0;return{top:d.top-
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+e&&e.document?e.document.compatMode==="CSS1Compat"&&e.document.documentElement["client"+b]||e.document.body["client"+b]:e.nodeType===9?Math.max(e.documentElement["client"+b],e.body["scroll"+b],e.documentElement["scroll"+b],e.body["offset"+b],e.documentElement["offset"+b]):f===w?c.css(e,d):this.css(d,typeof f==="string"?f:f+"px")}});A.jQuery=A.$=c})(window); \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/README b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/README
new file mode 100644
index 0000000000..57702664d7
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/README
@@ -0,0 +1,79 @@
+Tuscany - Learning More - Binding Comet - Autocomplete Webapp
+-----------------------------------------------------------------
+
+This sample demonstrates how Tuscany can expose services via Comet techniques
+as well as how to interact with them using Tuscany's javascript API.
+
+This project contains a service (CountryService) that handles requests asking
+for country names starting with a certain prefix. The service implementation
+uses a country repository to fetch the necessary data.
+
+By adding <tuscany:binding.comet/> to a service definition, the Tuscany runtime
+will handle the communication between the browser client and the service
+implementation using Comet techniques. This enables bidirectional communication
+over HTTP, therefore enabling server push. For more information, check
+http://en.wikipedia.org/wiki/Comet_(programming).
+
+The comet binding is using the Atmosphere Framework under the hood to acomodate
+as many deployment envorinments as possible. Basically, it checks if the
+application server supports Servlet 3.0 falling back to a number of native
+comet solutions provided by vendors (Jetty, Tomcat, WebLogic, GlassFish and
+others). If none is available, Atmosphere will fallback to blocking IO.
+
+Invoking comet services can be done using Tuscany's javascript API which simulates
+SCA in the browser. It uses the Atmosphere jQuery plugin under the hood. In order
+to use it, the following script has to be included in the client page:
+ <script type="text/javascript"
+ src="tuscany-comet-js/org.apache.tuscany.sca.CometComponentContext.js">
+ </script>
+
+The javascript toolkit permits choosing between two comet techniques: HTTP streaming
+and long polling. More detailed information about them can be found on the previously
+mentioned wikipedia page.
+
+First, a connect operation has to be issued in order to initiate communication
+with the server side using the technique of your choice. This is done using the
+connection method as follows:
+ SCA.TuscanyComet.connect('streaming'); // for HTTP streaming
+ SCA.TuscanyComet.connect('long-polling'); // for long polling
+ SCA.TuscanyComet.connect(); // starts with HTTP streaming and falls back to long polling if necessary
+
+The Tuscany Comet toolkit will inject proxies for all services defined in the composite
+that are using binding.comet. All invocation and connection management is handled
+under the hood so in order to invoke a comet service, the following should be called:
+ SCA.CometComponentContext.<service name>.<operation name>(<parameters>, callback);
+
+The callback parameter is the function that will handle responses received for a
+certain service operation. It has a single argument which is the response:
+ function callback(response) {
+ // handle response
+ };
+
+Note that the data exchange is automatically handled by the binding, so the
+parameters should have the same structure as the data types defined in the method
+definition. Also, the response will have the same data type as the return type of
+the service method. Objects are passed over the wire in JSON format.
+
+Another detail worth mentioning is that the binding will use a single HTTP
+connection to handle communication between a browser client and all services
+defined using binding.comet in the same composite. Requests and responses will get
+multiplexed via the same channel and get routed to the appropriate service
+implementation, respectively javascript function. This is done in order to avoid
+the 2 HTTP connection limit imposed by browsers. For more info, check
+http://www.openajax.org/runtime/wiki/The_Two_HTTP_Connection_Limit_Issue.
+
+In order to run the sample, you can execute "mvn clean install t7:run" which will
+start a Tomcat 7 instance automatically or use "mvn package" and deploy the resulting
+war to the application server of your choice.
+
+Next, point your browser at
+ http://localhost:8080/sample-binding-comet-autocomplete-webapp/
+
+You can see how suggestions are being received in real time when characters are
+entered in the text field. You can see the persistent HTTP streaming connection
+or long polling subsequent connections using the developer tools provided by
+your browser.
+
+The comet binding is an experimental binding so community feedback is much
+appreciated. Feel free to send comments or suggestions on the Apache Tuscany
+dev mailing list (dev@tuscany.apache.org). \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/pom.xml b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/pom.xml
new file mode 100644
index 0000000000..a9dd4eaa68
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/pom.xml
@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.tuscany.sca</groupId>
+ <artifactId>tuscany-samples</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ <relativePath>../../../pom.xml</relativePath>
+ </parent>
+
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>sample-binding-comet-autocomplete-webapp</artifactId>
+ <packaging>war</packaging>
+ <version>2.0-SNAPSHOT</version>
+ <name>Apache Tuscany SCA Sample binding.comet Real-Time Suggestions Webapp</name>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-binding-comet-runtime</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ </dependency>
+ <dependency>
+ <groupId>javax</groupId>
+ <artifactId>javaee-web-api</artifactId>
+ <version>6.0</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-base-runtime-pom</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ <type>pom</type>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>com.google.guava</groupId>
+ <artifactId>guava</artifactId>
+ <version>r09</version>
+ <type>jar</type>
+ <scope>compile</scope>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>com.googlecode.t7mp</groupId>
+ <artifactId>maven-t7-plugin</artifactId>
+ <version>0.9.6</version>
+ <configuration>
+ <webapps>
+ <webappArtifact>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>sample-binding-comet-autocomplete-webapp</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ </webappArtifact>
+ </webapps>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
+
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Country.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Country.java
new file mode 100644
index 0000000000..eedacf01d0
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Country.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.tuscany.sca.sample.comet;
+
+import java.io.Serializable;
+
+public class Country implements Serializable {
+
+ private String name;
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ @Override
+ public String toString() {
+ return name;
+ }
+
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryRepository.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryRepository.java
new file mode 100644
index 0000000000..12cdfb4235
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryRepository.java
@@ -0,0 +1,30 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+import java.util.List;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+@Remotable
+public interface CountryRepository {
+
+ List<Country> findStartingWith(String text);
+
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryRepositoryImpl.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryRepositoryImpl.java
new file mode 100644
index 0000000000..8be65c9147
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryRepositoryImpl.java
@@ -0,0 +1,78 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+import java.io.BufferedReader;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.oasisopen.sca.annotation.Constructor;
+import org.oasisopen.sca.annotation.EagerInit;
+import org.oasisopen.sca.annotation.Init;
+import org.oasisopen.sca.annotation.Property;
+import org.oasisopen.sca.annotation.Scope;
+import org.oasisopen.sca.annotation.Service;
+
+@EagerInit
+@Scope("COMPOSITE")
+@Service(CountryRepository.class)
+public class CountryRepositoryImpl implements CountryRepository {
+
+ private String fileName;
+ private List<Country> countries;
+
+ @Constructor
+ public CountryRepositoryImpl(@Property(name = "fileName") String fileName) {
+ this.fileName = fileName;
+ countries = new ArrayList<Country>();
+ }
+
+ @Init
+ public void start() {
+ try {
+ BufferedReader reader = new BufferedReader(new InputStreamReader(getClass().getClassLoader()
+ .getResourceAsStream(fileName)));
+ String line;
+ while ((line = reader.readLine()) != null) {
+ Country c = new Country();
+ c.setName(line);
+ countries.add(c);
+ }
+ } catch (FileNotFoundException e) {
+ e.printStackTrace();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+
+ @Override
+ public List<Country> findStartingWith(String text) {
+ List<Country> result = new ArrayList<Country>();
+ for (Country c : countries) {
+ if (c.getName().toLowerCase().startsWith(text.toLowerCase())) {
+ result.add(c);
+ }
+ }
+ return result;
+ }
+
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryService.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryService.java
new file mode 100644
index 0000000000..e916ecb98b
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryService.java
@@ -0,0 +1,30 @@
+/*
+ * 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.tuscany.sca.sample.comet;
+
+import java.util.List;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+@Remotable
+public interface CountryService {
+
+ List<Country> getCountriesStartingWith(String text);
+
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryServiceImpl.java b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryServiceImpl.java
new file mode 100644
index 0000000000..ad0786be59
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/CountryServiceImpl.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.tuscany.sca.sample.comet;
+
+import java.util.List;
+
+import org.oasisopen.sca.annotation.Reference;
+import org.oasisopen.sca.annotation.Service;
+
+@Service(CountryService.class)
+public class CountryServiceImpl implements CountryService {
+
+ @Reference
+ protected CountryRepository repository;
+
+ @Override
+ public List<Country> getCountriesStartingWith(String text) {
+ return repository.findStartingWith(text);
+ }
+}
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/resources/countries.txt b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/resources/countries.txt
new file mode 100644
index 0000000000..271bbd5dd1
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/resources/countries.txt
@@ -0,0 +1,195 @@
+Afghanistan
+Albania
+Algeria
+Andorra
+Angola
+Antigua & Barbuda
+Argentina
+Armenia
+Australia
+Austria
+Azerbaijan
+Bahamas
+Bahrain
+Bangladesh
+Barbados
+Belarus
+Belgium
+Belize
+Benin
+Bhutan
+Bolivia
+Bosnia & Herzegovina
+Botswana
+Brazil
+Brunei
+Bulgaria
+Burkina Faso
+Burundi
+Cambodia
+Cameroon
+Canada
+Cape Verde
+Central African Republic
+Chad
+Chile
+China
+Colombia
+Comoros
+Congo
+Congo Democratic Republic of
+Costa Rica
+Cote d'Ivoire
+Croatia
+Cuba
+Cyprus
+Czech Republic
+Denmark
+Djibouti
+Dominica
+Dominican Republic
+Ecuador
+East Timor
+Egypt
+El Salvador
+Equatorial Guinea
+Eritrea
+Estonia
+Ethiopia
+Fiji
+Finland
+France
+Gabon
+Gambia
+Georgia
+Germany
+Ghana
+Greece
+Grenada
+Guatemala
+Guinea
+Guinea-Bissau
+Guyana
+Haiti
+Honduras
+Hungary
+Iceland
+India
+Indonesia
+Iran
+Iraq
+Ireland
+Israel
+Italy
+Jamaica
+Japan
+Jordan
+Kazakhstan
+Kenya
+Kiribati
+Korea North
+Korea South
+Kosovo
+Kuwait
+Kyrgyzstan
+Laos
+Latvia
+Lebanon
+Lesotho
+Liberia
+Libya
+Liechtenstein
+Lithuania
+Luxembourg
+Macedonia
+Madagascar
+Malawi
+Malaysia
+Maldives
+Mali
+Malta
+Marshall Islands
+Mauritania
+Mauritius
+Mexico
+Micronesia
+Moldova
+Monaco
+Mongolia
+Montenegro
+Morocco
+Mozambique
+Myanmar (Burma)
+Namibia
+Nauru
+Nepal
+The Netherlands
+New Zealand
+Nicaragua
+Niger
+Nigeria
+Norway
+Oman
+Pakistan
+Palau
+Palestinian State*
+Panama
+Papua New Guinea
+Paraguay
+Peru
+The Philippines
+Poland
+Portugal
+Qatar
+Romania
+Russia
+Rwanda
+St. Kitts & Nevis
+St. Lucia
+St. Vincent & The Grenadines
+Samoa
+San Marino
+Sao Tome & Principe
+Saudi Arabia
+Senegal
+Serbia
+Seychelles
+Sierra Leone
+Singapore
+Slovakia
+Slovenia
+Solomon Islands
+Somalia
+South Africa
+Spain
+Sri Lanka
+Sudan
+Suriname
+Swaziland
+Sweden
+Switzerland
+Syria
+Taiwan
+Tajikistan
+Tanzania
+Thailand
+Togo
+Tonga
+Trinidad & Tobago
+Tunisia
+Turkey
+Turkmenistan
+Tuvalu
+Uganda
+Ukraine
+United Arab Emirates
+United Kingdom
+United States of America
+Uruguay
+Uzbekistan
+Vanuatu
+Vatican City (Holy See)
+Venezuela
+Yemen
+Zambia
+Zimbabwe
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/META-INF/MANIFEST.MF b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/META-INF/MANIFEST.MF
new file mode 100644
index 0000000000..58630c02ef
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/META-INF/MANIFEST.MF
@@ -0,0 +1,2 @@
+Manifest-Version: 1.0
+
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/WEB-INF/web.composite b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/WEB-INF/web.composite
new file mode 100644
index 0000000000..f7cee35452
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/WEB-INF/web.composite
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+ xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.1"
+ xmlns:sca="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+ targetNamespace="http://samples" name="Chat">
+
+ <component name="CountryServiceComponent">
+ <implementation.java
+ class="org.apache.tuscany.sca.sample.comet.CountryServiceImpl" />
+ <service name="CountryService">
+ <interface.java interface="org.apache.tuscany.sca.sample.comet.CountryService" />
+ <tuscany:binding.comet />
+ </service>
+ <reference name="repository" target="CountryRepositoryComponent" />
+ </component>
+
+ <component name="CountryRepositoryComponent">
+ <implementation.java
+ class="org.apache.tuscany.sca.sample.comet.CountryRepositoryImpl" />
+ <property name="fileName">countries.txt</property>
+ </component>
+
+</composite> \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/WEB-INF/web.xml b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/WEB-INF/web.xml
new file mode 100644
index 0000000000..25b06c457a
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:j2ee="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_3.0.xsd" version="3.0">
+ <display-name>Apache Tuscany Stock Comet Sample</display-name>
+ <filter>
+ <filter-name>tuscany</filter-name>
+ <filter-class>org.apache.tuscany.sca.host.webapp.TuscanyServletFilter</filter-class>
+ <async-supported>true</async-supported>
+ </filter>
+ <filter-mapping>
+ <filter-name>tuscany</filter-name>
+ <url-pattern>/*</url-pattern>
+ </filter-mapping>
+ <welcome-file-list>
+ <welcome-file>index.html</welcome-file>
+ </welcome-file-list>
+</web-app> \ No newline at end of file
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/index.html b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/index.html
new file mode 100644
index 0000000000..9c15d1cea5
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/index.html
@@ -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.
+-->
+<html>
+ <head>
+ <title>Apache Tuscany Comet Sample</title>
+ <!-- Tuscany Comet Javascript Toolkit is dependent on jQuery -->
+ <script type="text/javascript" src="jquery/jquery-1.4.2.min.js"></script>
+ <script type="text/javascript" src="tuscany-comet-js/org.apache.tuscany.sca.CometComponentContext.js"></script>
+ <script type="text/javascript">
+ var user = "";
+
+ $(document).ready(function()
+ {
+ // Tuscany Comet specific API
+ SCA.TuscanyComet.connect();
+
+ $("#country").keyup(function() {
+ var text = $("#country").val();
+ if (text != "") {
+ SCA.CometComponentContext.CountryService.getCountriesStartingWith(text, callback);
+ } else {
+ $("#suggestions").html("");
+ }
+ });
+
+ $("#country").focus();
+ });
+
+ function callback(response) {
+ var html = '<ul>';
+ $.each(response, function(index, country) {
+ html += '<li>' + country.name + "</li>"
+ });
+ html += '</ul>'
+ $("#suggestions").html(html);
+ }
+
+ </script>
+ </head>
+ <body>
+ <h2>Apache Tuscany Comet Sample</h2>
+ <h3>Real-time suggestions</h3>
+ <table>
+ <tr>
+ <td>Enter a country name</td>
+ <td><input type="text" id='country'/></td>
+ </tr>
+ </table>
+ </div>
+ <div id="suggestions">
+ </div>
+ </body>
+</html>
diff --git a/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js
new file mode 100644
index 0000000000..48a88b8f48
--- /dev/null
+++ b/sca-java-2.x/trunk/samples/learning-more/binding-comet/single-response-webapp/src/main/webapp/jquery/jquery-1.4.2.min.js
@@ -0,0 +1,154 @@
+/*!
+ * jQuery JavaScript Library v1.4.2
+ * http://jquery.com/
+ *
+ * Copyright 2010, John Resig
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * Includes Sizzle.js
+ * http://sizzlejs.com/
+ * Copyright 2010, The Dojo Foundation
+ * Released under the MIT, BSD, and GPL Licenses.
+ *
+ * Date: Sat Feb 13 22:33:48 2010 -0500
+ */
+(function(A,w){function ma(){if(!c.isReady){try{s.documentElement.doScroll("left")}catch(a){setTimeout(ma,1);return}c.ready()}}function Qa(a,b){b.src?c.ajax({url:b.src,async:false,dataType:"script"}):c.globalEval(b.text||b.textContent||b.innerHTML||"");b.parentNode&&b.parentNode.removeChild(b)}function X(a,b,d,f,e,j){var i=a.length;if(typeof b==="object"){for(var o in b)X(a,o,b[o],f,e,d);return a}if(d!==w){f=!j&&f&&c.isFunction(d);for(o=0;o<i;o++)e(a[o],b,f?d.call(a[o],o,e(a[o],b)):d,j);return a}return i?
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