| /* |
| * 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.camel.websocket.jsr356; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.ByteBuffer; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import javax.websocket.RemoteEndpoint; |
| import javax.websocket.Session; |
| import javax.websocket.server.ServerContainer; |
| |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.spi.annotations.Component; |
| import org.apache.camel.support.DefaultComponent; |
| import org.apache.camel.util.IOHelper; |
| |
| import static java.util.Optional.ofNullable; |
| |
| @Component("websocket-jsr356") |
| public class JSR356WebSocketComponent extends DefaultComponent { |
| // didn't find a better way to handle that unless we can assume the |
| // CamelContext is in the ServletContext |
| private static final Map<String, ContextBag> SERVER_CONTAINERS = new ConcurrentHashMap<>(); |
| |
| protected int sessionCount; |
| |
| @Override |
| protected Endpoint createEndpoint(final String uri, final String remaining, final Map<String, Object> parameters) { |
| return new JSR356Endpoint(this, uri); |
| } |
| |
| public static void sendMessage(final Session session, final Object message) throws IOException { |
| final RemoteEndpoint.Basic basicRemote = session.getBasicRemote(); // todo: handle async? |
| synchronized (session) { |
| if (String.class.isInstance(message)) { |
| basicRemote.sendText(String.valueOf(message)); |
| } else if (ByteBuffer.class.isInstance(message)) { |
| basicRemote.sendBinary(ByteBuffer.class.cast(message)); |
| } else if (InputStream.class.isInstance(message)) { |
| IOHelper.copy(InputStream.class.cast(message), basicRemote.getSendStream()); |
| } else { |
| throw new IllegalArgumentException("Unsupported input: " + message); |
| } |
| } |
| } |
| |
| public static void registerServer(final String contextPath, final ServerContainer container) { |
| SERVER_CONTAINERS.put(contextPath, new ContextBag(container)); |
| } |
| |
| public static void unregisterServer(final String contextPath) { |
| SERVER_CONTAINERS.remove(contextPath); |
| } |
| |
| public static ContextBag getContext(final String context) { |
| return ofNullable(context).map(SERVER_CONTAINERS::get) |
| .orElseGet(() -> SERVER_CONTAINERS.size() == 1 ? SERVER_CONTAINERS.values().iterator().next() : SERVER_CONTAINERS.get("")); |
| } |
| |
| public static final class ContextBag { |
| private final ServerContainer container; |
| private final Map<String, CamelServerEndpoint> endpoints = new HashMap<>(); |
| |
| private ContextBag(final ServerContainer container) { |
| this.container = container; |
| } |
| |
| public ServerContainer getContainer() { |
| return container; |
| } |
| |
| public Map<String, CamelServerEndpoint> getEndpoints() { |
| return endpoints; |
| } |
| } |
| } |