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comparison src/org/tmatesoft/hg/util/Path.java @ 133:4a948ec83980

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core.Path to util.Path as it's not Hg repo dependant
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 16 Feb 2011 20:59:39 +0100
parents src/org/tmatesoft/hg/core/Path.java@a3a2e5deb320
children 8248aae33f7d
comparison
equal deleted inserted replaced
132:6778075cd2b4 133:4a948ec83980
1 /*
2 * Copyright (c) 2011 TMate Software Ltd
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * For information on how to redistribute this software under
14 * the terms of a license other than GNU General Public License
15 * contact TMate Software at support@hg4j.com
16 */
17 package org.tmatesoft.hg.util;
18
19 /**
20 * Identify repository files (not String nor io.File). Convenient for pattern matching. Memory-friendly.
21 *
22 * @author Artem Tikhomirov
23 * @author TMate Software Ltd.
24 */
25 public final class Path implements CharSequence, Comparable<Path>/*Cloneable? - although clone for paths make no sense*/{
26 // private String[] segments;
27 // private int flags; // dir, unparsed
28 private String path;
29
30 /*package-local*/Path(String p) {
31 path = p;
32 }
33
34 public int length() {
35 return path.length();
36 }
37
38 public char charAt(int index) {
39 return path.charAt(index);
40 }
41
42 public CharSequence subSequence(int start, int end) {
43 // new Path if start-end matches boundaries of any subpath
44 return path.substring(start, end);
45 }
46
47 @Override
48 public String toString() {
49 return path; // CharSequence demands toString() impl
50 }
51
52 public int compareTo(Path o) {
53 return path.compareTo(o.path);
54 }
55
56 @Override
57 public boolean equals(Object obj) {
58 if (obj != null && getClass() == obj.getClass()) {
59 return this == obj || path.equals(((Path) obj).path);
60 }
61 return false;
62 }
63 @Override
64 public int hashCode() {
65 return path.hashCode();
66 }
67
68 public static Path create(String path) {
69 if (path == null) {
70 throw new IllegalArgumentException();
71 }
72 if (path.indexOf('\\') != -1) {
73 throw new IllegalArgumentException();
74 }
75 Path rv = new Path(path);
76 return rv;
77 }
78
79 /**
80 * Path filter.
81 */
82 public interface Matcher {
83 public boolean accept(Path path);
84 }
85 }