View Javadoc

1   /*
2    * Copyright 2006-2007 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.springframework.batch.item.jms;
17  
18  import org.apache.commons.logging.Log;
19  import org.apache.commons.logging.LogFactory;
20  import org.springframework.retry.interceptor.MethodInvocationRecoverer;
21  import org.springframework.jms.JmsException;
22  import org.springframework.jms.core.JmsOperations;
23  
24  /**
25   * @author Dave Syer
26   * 
27   */
28  public class JmsMethodInvocationRecoverer<T> implements MethodInvocationRecoverer<T> {
29  
30  	protected Log logger = LogFactory.getLog(getClass());
31  
32  	private JmsOperations jmsTemplate;
33  
34  	/**
35  	 * Setter for jms template.
36  	 * 
37  	 * @param jmsTemplate a {@link JmsOperations} instance
38  	 */
39  	public void setJmsTemplate(JmsOperations jmsTemplate) {
40  		this.jmsTemplate = jmsTemplate;
41  	}
42  
43  	/**
44  	 * Send one message per item in the arguments list using the default destination of
45  	 * the jms template. If the recovery is successful null is returned.
46  	 * 
47  	 * @see org.springframework.retry.interceptor.MethodInvocationRecoverer#recover(Object[],
48  	 * Throwable)
49  	 */
50      @Override
51  	public T recover(Object[] items, Throwable cause) {
52  		try {
53  			for (Object item : items) {
54  				jmsTemplate.convertAndSend(item);
55  			}
56  			return null;
57  		}
58  		catch (JmsException e) {
59  			logger.error("Could not recover because of JmsException.", e);
60  			throw e;
61  		}
62  	}
63  
64  }