View Javadoc

1   /************************************************************************
2    * Copyright (c) 2000-2006 The Apache Software Foundation.             *
3    * All rights reserved.                                                *
4    * ------------------------------------------------------------------- *
5    * Licensed under the Apache License, Version 2.0 (the "License"); you *
6    * may not use this file except in compliance with the License. You    *
7    * 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     *
14   * implied.  See the License for the specific language governing       *
15   * permissions and limitations under the License.                      *
16   ***********************************************************************/
17  
18  package org.apache.james.nntpserver;
19  
20  import java.io.File;
21  import java.io.FilenameFilter;
22  
23  /***
24   * Filters files according to their last modified date
25   *
26   */
27  public class DateSinceFileFilter implements FilenameFilter {
28  
29      /***
30       * The date that serves as the lower bound of the region of 
31       * interest
32       */
33      private final long m_date;
34  
35      /***
36       * Creates a new FileFilter that returns all Files that
37       * have been modified since the date specified.
38       *
39       * @param date the date that serves as the lower bound of the region of 
40       * interest
41       */
42      public DateSinceFileFilter( long date ) {
43          m_date = date;
44      }
45  
46      /***
47       * Tests if a specified file has been modified since a
48       * specified date.
49       *
50       * @param dir the directory in which the file was found
51       * @param name the name of the file
52       *
53       * @return true if the file meets the criteria, false otherwise
54       */
55      public boolean accept( final File dir, final String name ) {
56          return (new File(dir,name).lastModified() >= m_date);
57      }
58  }