From a6b350ca108cc5c2260b1603bb25de72e1063c7a Mon Sep 17 00:00:00 2001 From: fmoga Date: Tue, 26 Jul 2011 21:05:34 +0000 Subject: Move the comet binding samples to trunk. git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1151245 13f79535-47bb-0310-9956-ffa450edef68 --- .../tuscany/sca/sample/comet/ChatService.java | 36 ++++++++++++++ .../tuscany/sca/sample/comet/ChatServiceImpl.java | 56 ++++++++++++++++++++++ 2 files changed, 92 insertions(+) create mode 100644 sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/ChatService.java create mode 100644 sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/ChatServiceImpl.java (limited to 'sca-java-2.x/trunk/samples/learning-more/binding-comet/chat-webapp/src/main/java') 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 clients = new CopyOnWriteArrayList(); + + @Override + public void postMessage(String user, String message) { + for (CometCallback callback : new ArrayList(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(). getCallback()); + } +} -- cgit v1.2.3