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.event;
018
019 import java.util.Map;
020
021 import org.apache.camel.impl.DefaultComponent;
022 import org.springframework.beans.BeansException;
023 import org.springframework.context.ApplicationContext;
024 import org.springframework.context.ApplicationContextAware;
025 import org.springframework.context.ConfigurableApplicationContext;
026
027 /**
028 * An <a href="http://camel.apache.org/event.html">Event Component</a>
029 * for working with Spring ApplicationEvents
030 *
031 * @version $Revision: 747759 $
032 */
033 public class EventComponent extends DefaultComponent implements ApplicationContextAware {
034 private ApplicationContext applicationContext;
035
036 public EventComponent() {
037 }
038
039 public EventComponent(ApplicationContext applicationContext) {
040 setApplicationContext(applicationContext);
041 }
042
043 public ApplicationContext getApplicationContext() {
044 return applicationContext;
045 }
046
047 public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
048 this.applicationContext = applicationContext;
049 }
050
051 public ConfigurableApplicationContext getConfigurableApplicationContext() {
052 ApplicationContext applicationContext = getApplicationContext();
053 if (applicationContext instanceof ConfigurableApplicationContext) {
054 return (ConfigurableApplicationContext)applicationContext;
055 } else {
056 throw new IllegalArgumentException("Class: " + applicationContext.getClass().getName() + " is not an instanceof ConfigurableApplicationContext.");
057 }
058 }
059
060 protected EventEndpoint createEndpoint(String uri, String remaining, Map parameters) throws Exception {
061 EventEndpoint answer = new EventEndpoint(uri, this);
062 return answer;
063 }
064 }