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.activemq.camel.component;
018
019 import java.net.URISyntaxException;
020 import java.util.Map;
021 import java.util.concurrent.CopyOnWriteArrayList;
022
023 import org.apache.activemq.ActiveMQConnectionFactory;
024 import org.apache.activemq.Service;
025 import org.apache.camel.CamelContext;
026 import org.apache.camel.component.jms.JmsComponent;
027 import org.apache.camel.component.jms.JmsConfiguration;
028 import org.apache.camel.util.IntrospectionSupport;
029 import org.apache.camel.util.ObjectHelper;
030 import org.apache.camel.util.URISupport;
031 import org.springframework.jms.connection.SingleConnectionFactory;
032
033 /**
034 * The <a href="http://activemq.apache.org/camel/activemq.html">ActiveMQ Component</a>
035 *
036 *
037 */
038 public class ActiveMQComponent extends JmsComponent {
039 private final CopyOnWriteArrayList<SingleConnectionFactory> singleConnectionFactoryList =
040 new CopyOnWriteArrayList<SingleConnectionFactory>();
041 private final CopyOnWriteArrayList<Service> pooledConnectionFactoryServiceList =
042 new CopyOnWriteArrayList<Service>();
043 private boolean exposeAllQueues;
044 private CamelEndpointLoader endpointLoader;
045
046 /**
047 * Creates an <a href="http://camel.apache.org/activemq.html">ActiveMQ Component</a>
048 *
049 * @return the created component
050 */
051 public static ActiveMQComponent activeMQComponent() {
052 return new ActiveMQComponent();
053 }
054
055 /**
056 * Creates an <a href="http://camel.apache.org/activemq.html">ActiveMQ Component</a>
057 * connecting to the given <a href="http://activemq.apache.org/configuring-transports.html">broker URL</a>
058 *
059 * @param brokerURL the URL to connect to
060 * @return the created component
061 */
062 public static ActiveMQComponent activeMQComponent(String brokerURL) {
063 ActiveMQComponent answer = new ActiveMQComponent();
064 if (answer.getConfiguration() instanceof ActiveMQConfiguration) {
065 ((ActiveMQConfiguration) answer.getConfiguration())
066 .setBrokerURL(brokerURL);
067 }
068
069 // set the connection factory with the provided broker url
070 answer.setConnectionFactory(new ActiveMQConnectionFactory(brokerURL));
071 return answer;
072 }
073
074 public ActiveMQComponent() {
075 }
076
077 public ActiveMQComponent(CamelContext context) {
078 super(context);
079 }
080
081 public ActiveMQComponent(ActiveMQConfiguration configuration) {
082 super(configuration);
083 }
084
085
086 public void setBrokerURL(String brokerURL) {
087 if (getConfiguration() instanceof ActiveMQConfiguration) {
088 ((ActiveMQConfiguration)getConfiguration()).setBrokerURL(brokerURL);
089 }
090 }
091
092 public void setUserName(String userName) {
093 if (getConfiguration() instanceof ActiveMQConfiguration) {
094 ((ActiveMQConfiguration)getConfiguration()).setUserName(userName);
095 }
096 }
097
098 public void setPassword(String password) {
099 if (getConfiguration() instanceof ActiveMQConfiguration) {
100 ((ActiveMQConfiguration)getConfiguration()).setPassword(password);
101 }
102 }
103
104 public boolean isExposeAllQueues() {
105 return exposeAllQueues;
106 }
107
108 /**
109 * If enabled this will cause all Queues in the ActiveMQ broker to be eagerly populated into the CamelContext
110 * so that they can be easily browsed by any Camel tooling. This option is disabled by default.
111 *
112 * @param exposeAllQueues
113 */
114 public void setExposeAllQueues(boolean exposeAllQueues) {
115 this.exposeAllQueues = exposeAllQueues;
116 }
117
118 public void setUsePooledConnection(boolean usePooledConnection) {
119 if (getConfiguration() instanceof ActiveMQConfiguration) {
120 ((ActiveMQConfiguration)getConfiguration()).setUsePooledConnection(usePooledConnection);
121 }
122 }
123
124 public void setUseSingleConnection(boolean useSingleConnection) {
125 if (getConfiguration() instanceof ActiveMQConfiguration) {
126 ((ActiveMQConfiguration)getConfiguration()).setUseSingleConnection(useSingleConnection);
127 }
128 }
129
130 protected void addPooledConnectionFactoryService(Service pooledConnectionFactoryService) {
131 pooledConnectionFactoryServiceList.add(pooledConnectionFactoryService);
132 }
133
134 protected void addSingleConnectionFactory(SingleConnectionFactory singleConnectionFactory) {
135 singleConnectionFactoryList.add(singleConnectionFactory);
136 }
137
138 @Override
139 @SuppressWarnings("unchecked")
140 protected String convertPathToActualDestination(String path, Map<String, Object> parameters) {
141 // support ActiveMQ destination options using the destination. prefix
142 // http://activemq.apache.org/destination-options.html
143 Map options = IntrospectionSupport.extractProperties(parameters, "destination.");
144
145 String query;
146 try {
147 query = URISupport.createQueryString(options);
148 } catch (URISyntaxException e) {
149 throw ObjectHelper.wrapRuntimeCamelException(e);
150 }
151
152 // if we have destination options then append them to the destination name
153 if (ObjectHelper.isNotEmpty(query)) {
154 return path + "?" + query;
155 } else {
156 return path;
157 }
158 }
159
160 @Override
161 protected void doStart() throws Exception {
162 super.doStart();
163 if (isExposeAllQueues()) {
164 endpointLoader = new CamelEndpointLoader(getCamelContext());
165 endpointLoader.afterPropertiesSet();
166 }
167 }
168
169 @Override
170 protected void doStop() throws Exception {
171 if (endpointLoader != null) {
172 endpointLoader.destroy();
173 endpointLoader = null;
174 }
175 for (Service s : pooledConnectionFactoryServiceList) {
176 s.stop();
177 }
178 pooledConnectionFactoryServiceList.clear();
179 for (SingleConnectionFactory s : singleConnectionFactoryList) {
180 s.destroy();
181 }
182 singleConnectionFactoryList.clear();
183 super.doStop();
184 }
185
186 @Override
187 public void setConfiguration(JmsConfiguration configuration) {
188 if (configuration instanceof ActiveMQConfiguration) {
189 ((ActiveMQConfiguration) configuration).setActiveMQComponent(this);
190 }
191 super.setConfiguration(configuration);
192 }
193
194 @Override
195 protected JmsConfiguration createConfiguration() {
196 ActiveMQConfiguration answer = new ActiveMQConfiguration();
197 answer.setActiveMQComponent(this);
198 return answer;
199 }
200 }