Mercurial > jhg

annotate src/org/tmatesoft/hg/core/HgCallbackTargetException.java @ 228:fffe4f882248

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
NPE when directory doesn't exist
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 27 May 2011 03:01:26 +0200
parents c251bbc979cf
children 6d1804fe0ed7
rev   line source
215
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2011 TMate Software Ltd
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.core;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import static org.tmatesoft.hg.repo.HgRepository.BAD_REVISION;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21 import org.tmatesoft.hg.repo.HgRepository;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import org.tmatesoft.hg.util.Path;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 /**
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 * Checked exception that indicates errors in client code and tries to supply extra information about the context it occured in.
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26 *
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 * @author Artem Tikhomirov
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 * @author TMate Software Ltd.
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29 */
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30 @SuppressWarnings("serial")
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 public class HgCallbackTargetException extends HgException {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 private int revNumber = BAD_REVISION;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 private Nodeid revision;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 private Path filename;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36 /**
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 * @param cause can't be <code>null</code>
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 */
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 public HgCallbackTargetException(Throwable cause) {
216
c251bbc979cf Use correct super cons to allow explicit initCause
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 215
diff changeset
40 super((String) null);
215
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 if (cause == null) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 throw new IllegalArgumentException();
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 if (cause.getClass() == Wrap.class) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45 // eliminate wrapper
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46 initCause(cause.getCause());
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 } else {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48 initCause(cause);
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52 /**
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 * @return not {@link HgRepository#BAD_REVISION} only when local revision number was supplied at the construction time
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 */
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 public int getRevisionNumber() {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 return revNumber;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59 public HgCallbackTargetException setRevisionNumber(int rev) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60 revNumber = rev;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 return this;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
63
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
64 /**
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
65 * @return non-null only when revision was supplied at construction time
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
66 */
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
67 public Nodeid getRevision() {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
68 return revision;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
69 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
70
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
71 public HgCallbackTargetException setRevision(Nodeid r) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
72 revision = r;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
73 return this;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
74 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
75
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
76 /**
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
77 * @return non-null only if file name was set at construction time
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
78 */
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
79 public Path getFileName() {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
80 return filename;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
81 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
82
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
83 public HgCallbackTargetException setFileName(Path name) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
84 filename = name;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
85 return this;
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
86 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
87
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
88 @SuppressWarnings("unchecked")
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
89 public <T extends Exception> T getTargetException() {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
90 return (T) getCause();
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
91 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
92
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
93 /**
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
94 * Despite this exception is merely a way to give users access to their own exceptions, it may still supply
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
95 * valuable debugging information about what led to the error.
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
96 */
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
97 @Override
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
98 public String getMessage() {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
99 StringBuilder sb = new StringBuilder();
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
100 if (filename != null) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
101 sb.append(filename);
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
102 sb.append(':');
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
103 sb.append(' ');
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
104 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
105 if (revNumber != BAD_REVISION) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
106 sb.append(revNumber);
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
107 if (revision != null) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
108 sb.append(':');
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
109 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
110 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
111 if (revision != null) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
112 sb.append(revision.shortNotation());
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
113 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
114 return sb.toString();
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
115 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
116
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
117 /**
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
118 * Given the approach high-level handlers throw RuntimeExceptions to indicate errors, and
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
119 * a need to throw reasonable checked exception from client code, clients may utilize this class
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
120 * to get their checked exceptions unwrapped by {@link HgCallbackTargetException} and serve as that
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
121 * exception cause, eliminating {@link RuntimeException} mediator.
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
122 */
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
123 public static final class Wrap extends RuntimeException {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
124
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
125 public Wrap(Throwable cause) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
126 super(cause);
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
127 if (cause == null) {
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
128 throw new IllegalArgumentException();
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
129 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
130 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
131 }
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
132 }