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comparison src/org/tmatesoft/hg/internal/ExceptionInfo.java @ 403:2747b0723867

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FIXMEs: work on exceptions and javadoc
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 05 Mar 2012 14:50:51 +0100
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children 9c9c442b5f2e
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402:1fcc7f7b6d65 403:2747b0723867
1 /*
2 * Copyright (c) 2012 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.internal;
18
19 import static org.tmatesoft.hg.repo.HgRepository.BAD_REVISION;
20
21 import java.io.File;
22
23 import org.tmatesoft.hg.core.Nodeid;
24 import org.tmatesoft.hg.repo.HgRepository;
25 import org.tmatesoft.hg.util.Path;
26
27 /**
28 * Extras to record with exception to describe it better.
29 * XXX perhaps, not only with exception, may utilize it with status object?
30 *
31 * @author Artem Tikhomirov
32 * @author TMate Software Ltd.
33 */
34 public class ExceptionInfo<T> {
35 protected final T owner;
36 protected int revNumber = BAD_REVISION;
37 protected Nodeid revision;
38 protected Path filename;
39 protected File localFile;
40
41 /**
42 * @param owner instance to return from setters
43 */
44 public ExceptionInfo(T owner) {
45 this.owner = owner;
46 }
47
48 /**
49 * @return not {@link HgRepository#BAD_REVISION} only when revision index was supplied at the construction time
50 */
51 public int getRevisionIndex() {
52 return revNumber;
53 }
54
55 public T setRevisionIndex(int rev) {
56 revNumber = rev;
57 return owner;
58 }
59
60 public boolean isRevisionIndexSet() {
61 return revNumber != BAD_REVISION;
62 }
63
64 /**
65 * @return non-null only when revision was supplied at construction time
66 */
67 public Nodeid getRevision() {
68 return revision;
69 }
70
71 public T setRevision(Nodeid r) {
72 revision = r;
73 return owner;
74 }
75
76 public boolean isRevisionSet() {
77 return revision != null;
78 }
79
80 /**
81 * @return non-null only if file name was set at construction time
82 */
83 public Path getFileName() {
84 return filename;
85 }
86
87 public T setFileName(Path name) {
88 filename = name;
89 return owner;
90 }
91
92 public T setFile(File file) {
93 localFile = file;
94 return owner;
95 }
96
97 /**
98 * @return file object that causes troubles, or <code>null</code> if specific file is unknown
99 */
100 public File getFile() {
101 return localFile;
102 }
103
104 public StringBuilder appendDetails(StringBuilder sb) {
105 if (filename != null) {
106 sb.append("path:'");
107 sb.append(filename);
108 sb.append('\'');
109 sb.append(';');
110 sb.append(' ');
111 }
112 sb.append("rev:");
113 if (revNumber != BAD_REVISION) {
114 sb.append(revNumber);
115 if (revision != null) {
116 sb.append(':');
117 }
118 }
119 if (revision != null) {
120 sb.append(revision.shortNotation());
121 }
122 if (localFile != null) {
123 sb.append(';');
124 sb.append(' ');
125 sb.append(" file:");
126 sb.append(localFile.getPath());
127 sb.append(',');
128 if (localFile.exists()) {
129 sb.append("EXISTS");
130 } else {
131 sb.append("DOESN'T EXIST");
132 }
133 }
134 return sb;
135 }
136 }