001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.component.netty;
018    
019    import java.net.URI;
020    import java.util.Map;
021    
022    import org.apache.camel.CamelContext;
023    import org.apache.camel.Endpoint;
024    import org.apache.camel.impl.DefaultComponent;
025    import org.jboss.netty.util.HashedWheelTimer;
026    import org.jboss.netty.util.Timer;
027    
028    public class NettyComponent extends DefaultComponent {
029        // use a shared timer for Netty (see javadoc for HashedWheelTimer)
030        private static volatile Timer timer;
031        private NettyConfiguration configuration;
032    
033        public NettyComponent() {
034        }
035    
036        public NettyComponent(CamelContext context) {
037            super(context);
038        }
039    
040        @Override
041        protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
042            NettyConfiguration config;
043            if (configuration != null) {
044                config = configuration.copy();
045            } else {
046                config = new NettyConfiguration();
047            }
048    
049            config.parseURI(new URI(remaining), parameters, this);
050    
051            NettyEndpoint nettyEndpoint = new NettyEndpoint(remaining, this, config);
052            nettyEndpoint.setTimer(getTimer());
053            setProperties(nettyEndpoint.getConfiguration(), parameters);
054            return nettyEndpoint;
055        }
056    
057        public NettyConfiguration getConfiguration() {
058            return configuration;
059        }
060    
061        public void setConfiguration(NettyConfiguration configuration) {
062            this.configuration = configuration;
063        }
064    
065        public static Timer getTimer() {
066            return timer;
067        }
068    
069        @Override
070        protected void doStart() throws Exception {
071            if (timer == null) {
072                timer = new HashedWheelTimer();
073            }
074            super.doStart();
075        }
076    
077        @Override
078        protected void doStop() throws Exception {
079            timer.stop();
080            timer = null;
081            super.doStop();
082        }
083    
084    }