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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  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  package org.apache.commons.vfs.tasks;
18  
19  import org.apache.commons.vfs.Capability;
20  import org.apache.commons.vfs.FileObject;
21  import org.apache.commons.vfs.FileSystemException;
22  import org.apache.commons.vfs.Selectors;
23  
24  /***
25   * An Ant task that moves matching files.
26   *
27   * @author <a href="mailto:adammurdoch@apache.org">Adam Murdoch</a>
28   * @version $Revision: 480428 $ $Date: 2006-11-29 07:15:24 +0100 (Mi, 29 Nov 2006) $
29   * @todo Delete matching folders
30   */
31  public class MoveTask
32      extends CopyTask
33  {
34      private boolean tryRename = false;
35  
36      /***
37       * Enable/disable move/rename of file (if possible)
38       */
39      public void setTryRename(boolean tryRename)
40      {
41          this.tryRename = tryRename;
42      }
43  
44      /***
45       * Handles a single source file.
46       */
47      protected void handleOutOfDateFile(final FileObject srcFile,
48                                         final FileObject destFile)
49          throws FileSystemException
50      {
51          if (!tryRename || !srcFile.canRenameTo(destFile))
52          {
53              super.handleOutOfDateFile(srcFile, destFile);
54  
55              log("Deleting " + srcFile);
56              srcFile.delete(Selectors.SELECT_SELF);
57          }
58          else
59          {
60              log("Rename " + srcFile + " to " + destFile);
61              srcFile.moveTo(destFile);
62              if (!isPreserveLastModified() &&
63                  destFile.getFileSystem().hasCapability(Capability.SET_LAST_MODIFIED_FILE))
64              {
65                  destFile.getContent().setLastModifiedTime(System.currentTimeMillis());
66              }
67          }
68      }
69  }