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annotate src/org/tmatesoft/hg/internal/ExceptionInfo.java @ 709:497e697636fc

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Report merged lines as changed block if possible, not as a sequence of added/deleted blocks. To facilitate access to merge parent lines AddBlock got mergeLineAt() method that reports index of the line in the second parent (if any), while insertedAt() has been changed to report index in the first parent always
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 21 Aug 2013 16:23:27 +0200
parents cdd53e5884ae
children
rev   line source
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1 /*
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2 * Copyright (c) 2012 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.internal;
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18
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19 import static org.tmatesoft.hg.repo.HgRepository.BAD_REVISION;
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20 import static org.tmatesoft.hg.repo.HgRepository.NO_REVISION;
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21 import static org.tmatesoft.hg.repo.HgRepository.TIP;
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22 import static org.tmatesoft.hg.repo.HgRepository.WORKING_COPY;
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23
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24 import java.io.File;
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25
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26 import org.tmatesoft.hg.core.Nodeid;
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27 import org.tmatesoft.hg.repo.HgRepository;
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28 import org.tmatesoft.hg.util.Path;
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29
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30 /**
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31 * Extras to record with exception to describe it better.
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32 * XXX perhaps, not only with exception, may utilize it with status object?
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33 *
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34 * @author Artem Tikhomirov
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35 * @author TMate Software Ltd.
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36 */
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37 public class ExceptionInfo<T> {
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38 protected final T owner;
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39 protected Integer revNumber = null;
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40 protected Nodeid revision;
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41 protected Path filename;
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42 protected File localFile;
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43 // next two make sense only when revNumber was set
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44 private int rangeLeftBoundary = BAD_REVISION, rangeRightBoundary = BAD_REVISION;
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45
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46 /**
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47 * @param owner instance to return from setters
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48 */
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49 public ExceptionInfo(T owner) {
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50 this.owner = owner;
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51 }
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52
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53 /**
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54 * @return not {@link HgRepository#BAD_REVISION} only when revision index was supplied at the construction time
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55 */
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56 public int getRevisionIndex() {
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57 return revNumber == null ? HgRepository.BAD_REVISION : revNumber;
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58 }
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59
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60 public T setRevisionIndex(int rev) {
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61 revNumber = rev;
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62 return owner;
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63 }
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64
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65 public boolean isRevisionIndexSet() {
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66 return revNumber != null;
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67 }
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68
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69 /**
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70 * @return non-null only when revision was supplied at construction time
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71 */
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72 public Nodeid getRevision() {
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73 return revision;
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74 }
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75
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76 public T setRevision(Nodeid r) {
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77 revision = r;
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78 return owner;
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79 }
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80
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81 public boolean isRevisionSet() {
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82 return revision != null;
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83 }
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84
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85 /**
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86 * @return non-null only if file name was set at construction time
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87 */
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88 public Path getFileName() {
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89 return filename;
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90 }
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91
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92 public T setFileName(Path name) {
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93 filename = name;
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94 return owner;
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95 }
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96
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97 public T setFile(File file) {
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98 localFile = file;
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99 return owner;
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100 }
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101
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102 /**
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103 * @return file object that causes troubles, or <code>null</code> if specific file is unknown
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104 */
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105 public File getFile() {
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106 return localFile;
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107 }
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108
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109 public T setRevisionIndexBoundary(int revisionIndex, int rangeLeft, int rangeRight) {
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110 setRevisionIndex(revisionIndex);
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111 rangeLeftBoundary = rangeLeft;
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112 rangeRightBoundary = rangeRight;
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113 return owner;
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114 }
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115
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116 public StringBuilder appendDetails(StringBuilder sb) {
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117 if (filename != null) {
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118 sb.append("path:'");
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119 sb.append(filename);
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120 sb.append('\'');
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121 sb.append(';');
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122 sb.append(' ');
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123 }
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124 if (isRevisionIndexSet() || isRevisionSet()) {
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125 if (isRevisionIndexSet()) {
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126 if (rangeLeftBoundary != BAD_REVISION || rangeRightBoundary != BAD_REVISION) {
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127 String sr;
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128 switch (getRevisionIndex()) {
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129 case BAD_REVISION:
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130 sr = "UNKNOWN"; break;
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131 case TIP:
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132 sr = "TIP"; break;
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133 case WORKING_COPY:
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134 sr = "WORKING-COPY"; break;
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135 case NO_REVISION:
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136 sr = "NO REVISION"; break;
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137 default:
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138 sr = String.valueOf(getRevisionIndex());
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139 }
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140 sb.append(String.format("%s is not from [%d..%d]", sr, rangeLeftBoundary, rangeRightBoundary));
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141 } else {
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142 sb.append("rev:");
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143 sb.append(getRevisionIndex());
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144 if (isRevisionSet()) {
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145 sb.append(':');
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146 // fall-through to get revision appended
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147 }
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
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148 }
403
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149 }
485
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150 if (isRevisionSet()) {
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151 sb.append(getRevision().shortNotation());
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152 }
403
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153 }
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154 if (localFile != null) {
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155 sb.append(';');
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156 sb.append(' ');
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157 sb.append(" file:");
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158 sb.append(localFile.getPath());
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159 sb.append(',');
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160 if (localFile.exists()) {
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161 sb.append("EXISTS");
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162 } else {
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163 sb.append("DOESN'T EXIST");
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164 }
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165 }
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166 return sb;
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167 }
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168 }