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17 package org.apache.commons.vfs;
18
19 /***
20 * Several standard file selectors.
21 *
22 * @author <a href="mailto:adammurdoch@apache.org">Adam Murdoch</a>
23 * @version $Revision: 480428 $ $Date: 2006-11-29 07:15:24 +0100 (Mi, 29 Nov 2006) $
24 */
25 public interface Selectors
26 {
27 /***
28 * A {@link FileSelector} that selects only the base file/folder.
29 */
30 FileSelector SELECT_SELF = new FileDepthSelector(0, 0);
31
32 /***
33 * A {@link FileSelector} that selects the base file/folder and its
34 * direct children.
35 */
36 FileSelector SELECT_SELF_AND_CHILDREN = new FileDepthSelector(0, 1);
37
38 /***
39 * A {@link FileSelector} that selects only the direct children
40 * of the base folder.
41 */
42 FileSelector SELECT_CHILDREN = new FileDepthSelector(1, 1);
43
44 /***
45 * A {@link FileSelector} that selects all the descendents of the
46 * base folder, but does not select the base folder itself.
47 */
48 FileSelector EXCLUDE_SELF = new FileDepthSelector(1, Integer.MAX_VALUE);
49
50 /***
51 * A {@link FileSelector} that only files (not folders).
52 */
53 FileSelector SELECT_FILES = new FileTypeSelector(FileType.FILE);
54
55 /***
56 * A {@link FileSelector} that only folders (not files).
57 */
58 FileSelector SELECT_FOLDERS = new FileTypeSelector(FileType.FOLDER);
59
60 /***
61 * A {@link FileSelector} that selects the base file/folder, plus all
62 * its descendents.
63 */
64 FileSelector SELECT_ALL = new AllFileSelector();
65 }