001    /*--------------------------------------------------------------------------+
002    $Id: RegularDirectoryFilter.java 26283 2010-02-18 11:18:57Z juergens $
003    |                                                                          |
004    | Copyright 2005-2010 Technische Universitaet Muenchen                     |
005    |                                                                          |
006    | Licensed under the Apache License, Version 2.0 (the "License");          |
007    | you may not use this file except in compliance with the License.         |
008    | You may obtain a copy of the License at                                  |
009    |                                                                          |
010    |    http://www.apache.org/licenses/LICENSE-2.0                            |
011    |                                                                          |
012    | Unless required by applicable law or agreed to in writing, software      |
013    | distributed under the License is distributed on an "AS IS" BASIS,        |
014    | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
015    | See the License for the specific language governing permissions and      |
016    | limitations under the License.                                           |
017    +--------------------------------------------------------------------------*/
018    package edu.tum.cs.commons.filesystem;
019    
020    import java.io.File;
021    
022    /**
023     * This file filter includes only <i>regular</i> directories. This is used to
024     * exclude Subversion, CVS, hidden and similar directories.
025     * 
026     * @author deissenb
027     * @author $Author: juergens $
028     * @version $Rev: 26283 $
029     * @levd.rating GREEN Hash: 33A21AE3BF3E79841AF86088EDCC19A1
030     */
031    public class RegularDirectoryFilter extends DirectoryOnlyFilter {
032    
033            /** See class comment for details. */
034            @Override
035            public boolean accept(File file) {
036                    return super.accept(file) && isRegular(file);
037            }
038    
039            /** Checks if directory is hidden, name start with a dot or name is 'CVS'. */
040            private boolean isRegular(File file) {
041                    if (file.isHidden()) {
042                            return false;
043                    }
044    
045                    if (file.getName().equals("CVS")) {
046                            return false;
047                    }
048    
049                    if (file.getName().startsWith(".")) {
050                            return false;
051                    }
052    
053                    return true;
054            }
055    
056    }