FilterFindFile


1   // Copyright (c) 2003-2007, Jodd Team (jodd.sf.net). All Rights Reserved.
2   
3   package jodd.io.findfile;
4   
5   import java.io.File  ;
6   import java.io.FileFilter  ;
7   import java.util.List  ;
8   import java.util.ArrayList  ;
9   
10  /**
11   * {@link FindFile} that uses file filters.
12   */
13  public class FilterFindFile extends FindFile {
14  
15      public FilterFindFile() {
16      }
17  
18      public FilterFindFile(String   searchPath) {
19          super(searchPath);
20      }
21  
22      public FilterFindFile(File   searchPath) {
23          super(searchPath);
24      }
25  
26      public FilterFindFile(String  [] searchPath) {
27          super(searchPath);
28      }
29  
30      // ---------------------------------------------------------------- filters
31  
32      protected List   ffilters = null;
33  
34      /**
35       * Adds array of file filters.
36       */
37      public FindFile addFilters(FileFilter  [] ff) {
38          if (ffilters == null) {
39              ffilters = new ArrayList  ();
40          }
41          for (int i = 0; i < ff.length; i++) {
42              ffilters.add(ff[i]);
43          }
44          return this;
45      }
46  
47      /**
48       * Adds a file filter.
49       */
50      public FindFile addFilter(FileFilter   ff) {
51          if (ffilters == null) {
52              ffilters = new ArrayList  ();
53          }
54          ffilters.add(ff);
55          return this;
56      }
57  
58      /**
59       * Called on each file entry (file or directory) and returns <code>true</code>
60       * if file passes search criteria.
61       */
62      protected boolean onFileEntry(File   currentFile) {
63          if (ffilters != null) {
64              for (int i = 0; i < ffilters.size(); i++) {
65                  FileFilter   ff = (FileFilter  ) ffilters.get(i);
66                  if (ff.accept(currentFile) == false) {
67                      return false;
68                  }
69              }
70          }
71          return true;
72      }
73  
74  
75  }
76
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