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.text.SimpleDateFormat;
020    import java.util.Collection;
021    import java.util.Date;
022    import java.util.HashMap;
023    import java.util.Map;
024    import java.util.Timer;
025    
026    import org.apache.camel.Endpoint;
027    import org.apache.camel.Exchange;
028    import org.apache.camel.impl.DefaultComponent;
029    
030    /**
031     * Represents the component that manages {@link TimerEndpoint}.  It holds the
032     * list of {@link TimerConsumer} objects that are started.
033     *
034     * @version $Revision: 14007 $
035     */
036    public class TimerComponent extends DefaultComponent<Exchange> {
037        private Map<String, Timer> timers = new HashMap<String, Timer>();
038    
039        public Timer getTimer(TimerEndpoint endpoint) {
040            String key = endpoint.getTimerName();
041            if (!endpoint.isDaemon()) {
042                key = "nonDaemon:" + key;
043            }
044    
045            Timer answer = timers.get(key);
046            if (answer == null) {
047                answer = new Timer(endpoint.getTimerName(), endpoint.isDaemon());
048                timers.put(key, answer);
049            }
050            return answer;
051        }
052    
053        @Override
054        protected Endpoint<Exchange> createEndpoint(String uri, String remaining, Map parameters) throws Exception {
055            TimerEndpoint answer = new TimerEndpoint(uri, this, remaining);
056    
057            // convert time from String to a java.util.Date using the supported patterns
058            String time = getAndRemoveParameter(parameters, "time", String.class);
059            String pattern = getAndRemoveParameter(parameters, "pattern", String.class);
060            if (time != null) {
061                SimpleDateFormat sdf;
062                if (pattern != null) {
063                    sdf = new SimpleDateFormat(pattern);
064                } else if (time.contains("T")) {
065                    sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
066                } else {
067                    sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
068                }
069                Date date = sdf.parse(time);
070                answer.setTime(date);
071            }
072    
073            setProperties(answer, parameters);
074            return answer;
075        }
076    
077        @Override
078        protected void doStop() throws Exception {
079            Collection<Timer> collection = timers.values();
080            for (Timer timer : collection) {
081                timer.cancel();
082            }
083            timers.clear();
084        }
085    }