diff options
Diffstat (limited to 'sca-java-2.x/contrib/samples/learning-more/binding-websocket/chat-webapp/src/main/java/sample/ChatServiceImpl.java')
-rw-r--r-- | sca-java-2.x/contrib/samples/learning-more/binding-websocket/chat-webapp/src/main/java/sample/ChatServiceImpl.java | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-websocket/chat-webapp/src/main/java/sample/ChatServiceImpl.java b/sca-java-2.x/contrib/samples/learning-more/binding-websocket/chat-webapp/src/main/java/sample/ChatServiceImpl.java new file mode 100644 index 0000000000..6fd4455ba9 --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-websocket/chat-webapp/src/main/java/sample/ChatServiceImpl.java @@ -0,0 +1,58 @@ +/* + * 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 sample; + +import java.util.ArrayList; +import java.util.concurrent.CopyOnWriteArrayList; + +import org.apache.tuscany.sca.binding.websocket.runtime.WebsocketBindingCallback; +import org.apache.tuscany.sca.binding.websocket.runtime.WebsocketStatus; +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<WebsocketBindingCallback> clients = new CopyOnWriteArrayList<WebsocketBindingCallback>(); + + @Override + public void postMessage(String user, String message) { + for (WebsocketBindingCallback callback : new ArrayList<WebsocketBindingCallback>(clients)) { + WebsocketStatus status = callback.sendMessage(user + ": " + message); + if (status == WebsocketStatus.CLOSED) { + 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().<WebsocketBindingCallback> getCallback()); + } +} |