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Java > Open Source Codes > org > alfresco > repo > content > cleanup > DeletedContentBackupCleanerListener


1 /*
2  * Copyright (C) 2005 Alfresco, Inc.
3  *
4  * Licensed under the Mozilla Public License version 1.1
5  * with a permitted attribution clause. You may obtain a
6  * copy of the License at
7  *
8  * http://www.alfresco.org/legal/license.txt
9  *
10  * Unless required by applicable law or agreed to in writing,
11  * software distributed under the License is distributed on an
12  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13  * either express or implied. See the License for the specific
14  * language governing permissions and limitations under the
15  * License.
16  */
17 package org.alfresco.repo.content.cleanup;
18
19 import org.alfresco.repo.content.ContentStore;
20 import org.alfresco.service.cmr.repository.ContentIOException;
21 import org.alfresco.service.cmr.repository.ContentReader;
22 import org.alfresco.service.cmr.repository.ContentWriter;
23 import org.apache.commons.logging.Log;
24 import org.apache.commons.logging.LogFactory;
25
26 /**
27  * Listens for content that is about to be deleted and moves it into the store
28  * configured as the backup store.
29  *
30  * @author Derek Hulley
31  */
32 public class DeletedContentBackupCleanerListener implements ContentStoreCleanerListener
33 {
34     private static Log logger = LogFactory.getLog(DeletedContentBackupCleanerListener.class);
35     
36     private ContentStore store;
37     
38     public DeletedContentBackupCleanerListener()
39     {
40     }
41
42     /**
43      * Set the store to copy soon-to-be-deleted content into
44      *
45      * @param store the deleted content backup store
46      */
47     public void setStore(ContentStore store)
48     {
49         this.store = store;
50     }
51
52     public void beforeDelete(ContentReader reader) throws ContentIOException
53     {
54         // write the content into the target store
55 ContentWriter writer = store.getWriter(null, reader.getContentUrl());
56         // copy across
57 writer.putContent(reader);
58         // done
59 if (logger.isDebugEnabled())
60         {
61             logger.debug("Moved content before deletion: \n" +
62                     " URL: " + reader.getContentUrl() + "\n" +
63                     " Store: " + store);
64         }
65     }
66 }
67
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