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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.vfs2.tasks;
18  
19  import org.apache.commons.vfs2.FileObject;
20  
21  /**
22   * A task that synchronizes the destination folder to look exactly like the source folder (or folders).
23   */
24  public class SyncTask extends CopyTask {
25  
26      /**
27       * Constructs a new instance.
28       */
29      public SyncTask() {
30          // empty
31      }
32  
33      /**
34       * Check if this task cares about destination files with a missing source file.
35       */
36      @Override
37      protected boolean detectMissingSourceFiles() {
38          return true;
39      }
40  
41      /**
42       * Handles a destination for which there is no corresponding source file.
43       */
44      @Override
45      protected void handleMissingSourceFile(final FileObject destFile) throws Exception {
46          log("deleting " + destFile.getPublicURIString());
47          // destFile.delete( Selectors.SELECT_SELF );
48      }
49  }