1 /***
2 *
3 * Copyright 2004 Protique Ltd
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 **/
18 package org.codehaus.activemq.spring;
19
20 import org.apache.commons.logging.Log;
21 import org.apache.commons.logging.LogFactory;
22 import org.codehaus.activemq.broker.BrokerContainer;
23 import org.codehaus.activemq.broker.BrokerContainerFactory;
24 import org.codehaus.activemq.broker.BrokerContext;
25 import org.springframework.core.io.Resource;
26 import org.springframework.core.io.ResourceEditor;
27
28 /***
29 * A Spring implementatation of {@link BrokerContainerFactory} which uses an XML
30 * deployment configuration file to load and configure a {@link BrokerContainer}
31 *
32 * @version $Revision: 1.3 $
33 */
34 public class SpringBrokerContainerFactory implements BrokerContainerFactory {
35 private static final Log log = LogFactory.getLog(SpringBrokerContainerFactory.class);
36
37 private Resource resource;
38
39
40 /***
41 * A static factory method that can be used in Spring config files using a factory method
42 * mechanism to create a broker container easily.
43 */
44 public static BrokerContainer newInstance(Resource resource, String brokerName) {
45 SpringBrokerContainerFactory factory = new SpringBrokerContainerFactory(resource);
46 return factory.createBrokerContainer(brokerName, BrokerContext.getInstance());
47 }
48
49 /***
50 * A helper method, invoked via reflection, to create a new factory from a given configuration
51 * file String which if it starts with classpath: is a classpath URI otherwise a URL is assumed.
52 *
53 * @param resourceName
54 * @return
55 */
56 public static SpringBrokerContainerFactory newFactory(String resourceName) {
57 ResourceEditor editor = new ResourceEditor();
58 editor.setAsText(resourceName);
59 Resource resource = (Resource) editor.getValue();
60 if (resource == null) {
61 throw new IllegalArgumentException("Could not convert '" + resourceName + "' into a Spring Resource");
62 }
63 return new SpringBrokerContainerFactory(resource);
64 }
65
66 public SpringBrokerContainerFactory() {
67 }
68
69 public SpringBrokerContainerFactory(Resource resource) {
70 this.resource = resource;
71 }
72
73 public BrokerContainer createBrokerContainer(String brokerName, BrokerContext context) {
74 log.info("Loading ActiveMQ broker from configuration: " + resource);
75
76 ActiveMQBeanFactory beanFactory = new ActiveMQBeanFactory(brokerName, resource);
77 return (BrokerContainer) beanFactory.getBean("broker");
78 }
79
80
81
82 public Resource getResource() {
83 return resource;
84 }
85
86 public void setResource(Resource resource) {
87 this.resource = resource;
88 }
89 }