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comparison src/org/tmatesoft/hg/internal/ChangelogEntryBuilder.java @ 538:dd4f6311af52

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Commit: first working version
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 05 Feb 2013 22:30:21 +0100
parents test/org/tmatesoft/hg/tools/ChangelogEntryBuilder.java@73e875154afb
children 7c0d2ce340b8
comparison
equal deleted inserted replaced
537:5a455624be4f 538:dd4f6311af52
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 java.util.ArrayList;
20 import java.util.Collection;
21 import java.util.Collections;
22 import java.util.Iterator;
23 import java.util.LinkedHashMap;
24 import java.util.List;
25 import java.util.Map;
26 import java.util.TimeZone;
27 import java.util.Map.Entry;
28
29 import org.tmatesoft.hg.core.Nodeid;
30 import org.tmatesoft.hg.util.Path;
31
32 /**
33 *
34 * @author Artem Tikhomirov
35 * @author TMate Software Ltd.
36 */
37 public class ChangelogEntryBuilder {
38
39 private String user;
40 private List<Path> modifiedFiles;
41 private final Map<String, String> extrasMap = new LinkedHashMap<String, String>();
42 private Integer tzOffset;
43 private Long csetTime;
44
45 public ChangelogEntryBuilder user(String username) {
46 user = username;
47 return this;
48 }
49
50 public String user() {
51 if (user == null) {
52 // for our testing purposes anything but null is ok. no reason to follow Hg username lookup conventions
53 user = System.getProperty("user.name");
54 }
55 return user;
56 }
57
58 public ChangelogEntryBuilder setModified(Collection<Path> files) {
59 modifiedFiles = new ArrayList<Path>(files == null ? Collections.<Path>emptyList() : files);
60 return this;
61 }
62
63 public ChangelogEntryBuilder addModified(Collection<Path> files) {
64 if (modifiedFiles == null) {
65 return setModified(files);
66 }
67 modifiedFiles.addAll(files);
68 return this;
69 }
70
71 public ChangelogEntryBuilder branch(String branchName) {
72 if (branchName == null || "default".equals(branchName)) {
73 extrasMap.remove("branch");
74 } else {
75 extrasMap.put("branch", branchName);
76 }
77 return this;
78 }
79
80 public ChangelogEntryBuilder extras(Map<String, String> extras) {
81 extrasMap.clear();
82 extrasMap.putAll(extras);
83 return this;
84 }
85
86 public ChangelogEntryBuilder date(long seconds, int timezoneOffset) {
87 csetTime = seconds;
88 tzOffset = timezoneOffset;
89 return this;
90 }
91
92 private long csetTime() {
93 if (csetTime != null) {
94 return csetTime;
95 }
96 return System.currentTimeMillis() / 1000;
97 }
98
99 private int csetTimezone(long time) {
100 if (tzOffset != null) {
101 return tzOffset;
102 }
103 return -(TimeZone.getDefault().getOffset(time) / 1000);
104 }
105
106 public byte[] build(Nodeid manifestRevision, String comment) {
107 String f = "%s\n%s\n%d %d %s\n%s\n\n%s";
108 StringBuilder extras = new StringBuilder();
109 for (Iterator<Entry<String, String>> it = extrasMap.entrySet().iterator(); it.hasNext();) {
110 final Entry<String, String> next = it.next();
111 extras.append(encodeExtrasPair(next.getKey()));
112 extras.append(':');
113 extras.append(encodeExtrasPair(next.getValue()));
114 if (it.hasNext()) {
115 extras.append('\00');
116 }
117 }
118 StringBuilder files = new StringBuilder();
119 if (modifiedFiles != null) {
120 for (Iterator<Path> it = modifiedFiles.iterator(); it.hasNext(); ) {
121 files.append(it.next());
122 if (it.hasNext()) {
123 files.append('\n');
124 }
125 }
126 }
127 final long date = csetTime();
128 final int tz = csetTimezone(date);
129 return String.format(f, manifestRevision.toString(), user(), date, tz, extras, files, comment).getBytes();
130 }
131
132 private final static CharSequence encodeExtrasPair(String s) {
133 if (s != null) {
134 return s.replace("\\", "\\\\").replace("\n", "\\n").replace("\r", "\\r").replace("\00", "\\0");
135 }
136 return s;
137 }
138 }