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1   /***
2    *
3    * Copyright 2005 LogicBlaze, Inc.
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  
19  package org.logicblaze.lingo.jms;
20  
21  import org.springframework.aop.framework.ProxyFactoryBean;
22  import org.springframework.aop.framework.ProxyFactory;
23  import org.springframework.beans.factory.FactoryBean;
24  
25  import javax.jms.JMSException;
26  
27  /***
28   * Factory bean for JMS proxies. Behaves like the proxied service when
29   * used as bean reference, exposing the specified service interface.
30   * <p/>
31   * <p>The service URL must be an JMS URL exposing a JMS service.
32   * For details, see JmsClientInterceptor docs.
33   *
34   * @author James Strachan
35   * @see JmsClientInterceptor
36   * @see JmsServiceExporter
37   */
38  public class JmsProxyFactoryBean extends JmsClientInterceptor implements FactoryBean {
39  
40      private Object serviceProxy;
41  
42      public void afterPropertiesSet() throws JMSException {
43          super.afterPropertiesSet();
44          Class serviceInterface = getServiceInterface();
45          this.serviceProxy = ProxyFactory.getProxy(serviceInterface, this);
46      }
47  
48      public Object getObject() {
49          return this.serviceProxy;
50      }
51  
52      public Class getObjectType() {
53          return (this.serviceProxy != null) ? this.serviceProxy.getClass() : getServiceInterface();
54      }
55  
56      public boolean isSingleton() {
57          return true;
58      }
59  
60  }