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comparison src/org/tmatesoft/hg/core/HgCallbackTargetException.java @ 275:6d1804fe0ed7

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Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 25 Aug 2011 21:35:03 +0200
parents c251bbc979cf
children 678e326fd27c
comparison
equal deleted inserted replaced
274:9fb50c04f03c 275:6d1804fe0ed7
14 * the terms of a license other than GNU General Public License 14 * the terms of a license other than GNU General Public License
15 * contact TMate Software at support@hg4j.com 15 * contact TMate Software at support@hg4j.com
16 */ 16 */
17 package org.tmatesoft.hg.core; 17 package org.tmatesoft.hg.core;
18 18
19 import static org.tmatesoft.hg.repo.HgRepository.BAD_REVISION; 19 import org.tmatesoft.hg.util.Path;
20 20
21 import org.tmatesoft.hg.repo.HgRepository; 21
22 import org.tmatesoft.hg.util.Path;
23 22
24 /** 23 /**
25 * Checked exception that indicates errors in client code and tries to supply extra information about the context it occured in. 24 * Checked exception that indicates errors in client code and tries to supply extra information about the context it occured in.
26 * 25 *
27 * @author Artem Tikhomirov 26 * @author Artem Tikhomirov
28 * @author TMate Software Ltd. 27 * @author TMate Software Ltd.
29 */ 28 */
30 @SuppressWarnings("serial") 29 @SuppressWarnings("serial")
31 public class HgCallbackTargetException extends HgException { 30 public class HgCallbackTargetException extends HgException {
32 private int revNumber = BAD_REVISION;
33 private Nodeid revision;
34 private Path filename;
35
36 /** 31 /**
37 * @param cause can't be <code>null</code> 32 * @param cause can't be <code>null</code>
38 */ 33 */
39 public HgCallbackTargetException(Throwable cause) { 34 public HgCallbackTargetException(Throwable cause) {
40 super((String) null); 35 super((String) null);
47 } else { 42 } else {
48 initCause(cause); 43 initCause(cause);
49 } 44 }
50 } 45 }
51 46
52 /**
53 * @return not {@link HgRepository#BAD_REVISION} only when local revision number was supplied at the construction time
54 */
55 public int getRevisionNumber() {
56 return revNumber;
57 }
58
59 public HgCallbackTargetException setRevisionNumber(int rev) {
60 revNumber = rev;
61 return this;
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 HgCallbackTargetException setRevision(Nodeid r) {
72 revision = r;
73 return this;
74 }
75
76 /**
77 * @return non-null only if file name was set at construction time
78 */
79 public Path getFileName() {
80 return filename;
81 }
82
83 public HgCallbackTargetException setFileName(Path name) {
84 filename = name;
85 return this;
86 }
87
88 @SuppressWarnings("unchecked") 47 @SuppressWarnings("unchecked")
89 public <T extends Exception> T getTargetException() { 48 public <T extends Exception> T getTargetException() {
90 return (T) getCause(); 49 return (T) getCause();
91 } 50 }
92 51
95 * valuable debugging information about what led to the error. 54 * valuable debugging information about what led to the error.
96 */ 55 */
97 @Override 56 @Override
98 public String getMessage() { 57 public String getMessage() {
99 StringBuilder sb = new StringBuilder(); 58 StringBuilder sb = new StringBuilder();
100 if (filename != null) { 59 appendDetails(sb);
101 sb.append(filename);
102 sb.append(':');
103 sb.append(' ');
104 }
105 if (revNumber != BAD_REVISION) {
106 sb.append(revNumber);
107 if (revision != null) {
108 sb.append(':');
109 }
110 }
111 if (revision != null) {
112 sb.append(revision.shortNotation());
113 }
114 return sb.toString(); 60 return sb.toString();
61 }
62
63 @Override
64 public HgCallbackTargetException setRevision(Nodeid r) {
65 return (HgCallbackTargetException) super.setRevision(r);
66 }
67 @Override
68 public HgCallbackTargetException setRevisionNumber(int rev) {
69 return (HgCallbackTargetException) super.setRevisionNumber(rev);
70 }
71 @Override
72 public HgCallbackTargetException setFileName(Path name) {
73 return (HgCallbackTargetException) super.setFileName(name);
115 } 74 }
116 75
117 /** 76 /**
118 * Given the approach high-level handlers throw RuntimeExceptions to indicate errors, and 77 * Given the approach high-level handlers throw RuntimeExceptions to indicate errors, and
119 * a need to throw reasonable checked exception from client code, clients may utilize this class 78 * a need to throw reasonable checked exception from client code, clients may utilize this class