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1   /*
2    * Copyright (c) 2003, Henri Yandell
3    * All rights reserved.
4    * 
5    * Redistribution and use in source and binary forms, with or 
6    * without modification, are permitted provided that the 
7    * following conditions are met:
8    * 
9    * + Redistributions of source code must retain the above copyright notice, 
10   *   this list of conditions and the following disclaimer.
11   * 
12   * + Redistributions in binary form must reproduce the above copyright notice, 
13   *   this list of conditions and the following disclaimer in the documentation 
14   *   and/or other materials provided with the distribution.
15   * 
16   * + Neither the name of Genjava-Core nor the names of its contributors 
17   *   may be used to endorse or promote products derived from this software 
18   *   without specific prior written permission.
19   * 
20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
23   * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
30   * POSSIBILITY OF SUCH DAMAGE.
31   */
32  // @file   Finder.java
33  // @author bayard@generationjava.com
34  // @create 2001-03-25
35  
36  package com.generationjava.io.find;
37  
38  import java.io.File;
39  import java.util.Map;
40  
41  /***
42   * A Finder of Files. Though the structure the files are in is 
43   * unspecified.
44   */
45  public interface Finder {
46  
47      // MODIFIER
48      public static final String NOT = "NOT_";
49  
50      // OPTIONS
51      public static final String DAYSTART = "DAYSTART";
52      public static final String DEPTH = "DEPTH";
53      public static final String MAXDEPTH = "MAXDEPTH";
54      public static final String MINDEPTH = "MINDEPTH";
55      public static final String IGNORE_HIDDEN_DIRS = "IGNORE_HIDDEN_DIRS";
56  
57      // Time based tests
58      public static final String MIN = "MIN";
59      public static final String NEWER = "NEWER";
60      public static final String TIME = "TIME";
61  
62      // size based tests
63      public static final String EMPTY = "EMPTY";
64      public static final String SIZE = "SIZE";
65  
66      // name based tests
67      public static final String NAME = "NAME";
68      public static final String INAME = "INAME";
69      public static final String PATH = "PATH";
70      public static final String IPATH = "IPATH";
71      public static final String REGEX = "REGEX";
72      public static final String IREGEX = "IREGEX";
73  
74      // type of file
75      public static final String TYPE = "TYPE";      // supports 'd' and 'f'
76      public static final String HIDDEN = "HIDDEN";
77  
78      // permission replacements
79      public static final String CAN_READ = "CAN_READ";
80      public static final String CAN_WRITE = "CAN_WRITE";
81  
82      public void addFindListener(FindListener fl);
83      public void removeFindListener(FindListener fl);
84  
85      public File[] find(File root);
86      public File[] find(File root, Map options);
87  
88  }