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.timer;
018    
019    import java.util.Collection;
020    import java.util.HashMap;
021    import java.util.Map;
022    import java.util.Timer;
023    
024    import org.apache.camel.Endpoint;
025    import org.apache.camel.impl.DefaultComponent;
026    
027    /**
028     * Represents the component that manages {@link TimerEndpoint}.  It holds the
029     * list of {@link TimerConsumer} objects that are started.
030     *
031     * @version $Revision: 736322 $
032     */
033    public class TimerComponent extends DefaultComponent {
034        private final Map<String, Timer> timers = new HashMap<String, Timer>();
035    
036        public Timer getTimer(TimerEndpoint endpoint) {
037            String key = endpoint.getTimerName();
038            if (!endpoint.isDaemon()) {
039                key = "nonDaemon:" + key;
040            }
041    
042            Timer answer;
043            synchronized (timers) {
044                answer = timers.get(key);
045                if (answer == null) {
046                    answer = new Timer(endpoint.getTimerName(), endpoint.isDaemon());
047                    timers.put(key, answer);
048                }
049            }
050            return answer;
051        }
052    
053        @Override
054        protected Endpoint createEndpoint(String uri, String remaining, Map parameters) throws Exception {
055            TimerEndpoint answer = new TimerEndpoint(uri, this, remaining);
056            setProperties(answer, parameters);
057            return answer;
058        }
059    
060        @Override
061        protected void doStop() throws Exception {
062            Collection<Timer> collection = timers.values();
063            for (Timer timer : collection) {
064                timer.cancel();
065            }
066            timers.clear();
067        }
068    }