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1   /*****************************************************************
2    * Licensed to the Apache Software Foundation (ASF) under one   *
3    * or more contributor license agreements.  See the NOTICE file *
4    * distributed with this work for additional information        *
5    * regarding copyright ownership.  The ASF licenses this file   *
6    * to you under the Apache License, Version 2.0 (the            *
7    * "License"); you may not use this file except in compliance   *
8    * with the License.  You may obtain a copy of the License at   *
9    *                                                              *
10   *   http://www.apache.org/licenses/LICENSE-2.0                 *
11   *                                                              *
12   * Unless required by applicable law or agreed to in writing,   *
13   * software distributed under the License is distributed on an  *
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
15   * KIND, either express or implied.  See the License for the    *
16   * specific language governing permissions and limitations      *
17   * under the License.                                           *
18   ****************************************************************/
19  package org.apache.james.util.io;
20  
21  import java.io.File;
22  import java.io.FilenameFilter;
23  
24  /***
25   * This filter accepts <code>File</code>s that are directories.
26   * <p>Eg., here is how to print out a list of the current directory's subdirectories:</p>
27   *
28   * <pre>
29   * File dir = new File(".");
30   * String[] files = dir.list( new DirectoryFileFilter() );
31   * for ( int i=0; i&lt;files.length; i++ )
32   * {
33   *     System.out.println(files[i]);
34   * }
35   * </pre>
36   *
37   * @author <a href="mailto:dev@avalon.apache.org">Avalon Development Team</a>
38   * @version $Revision: 494012 $ $Date: 2007-01-08 10:23:58 +0000 (Mon, 08 Jan 2007) $
39   * @since 4.0
40   */
41  public class DirectoryFileFilter
42      implements FilenameFilter
43  {
44      public boolean accept( final File file, final String name )
45      {
46          return new File( file, name ).isDirectory();
47      }
48  }
49  
50