Mercurial > jhg

annotate src/org/tmatesoft/hg/core/HgStatus.java @ 681:4f93bbc73b64

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Do not instantiate thousands of small arrays(numerous readInt/readLong calls)
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sun, 21 Jul 2013 17:48:05 +0200
parents 6526d8adbc0f
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1 /*
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2 * Copyright (c) 2011-2013 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.core;
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18
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19 import java.io.File;
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20 import java.util.Date;
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21
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22 import org.tmatesoft.hg.internal.ChangelogHelper;
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23 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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24 import org.tmatesoft.hg.repo.HgRuntimeException;
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25 import org.tmatesoft.hg.util.Path;
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26
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27 /**
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28 * Repository file status and extra handy information.
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29 *
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30 * @author Artem Tikhomirov
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31 * @author TMate Software Ltd.
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32 */
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33 public class HgStatus {
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34
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35 public enum Kind {
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36 Modified, Added, Removed, Missing, Unknown, Clean, Ignored
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37 // I'd refrain from changing order of these constants, just in case someone (erroneously, of course ;), uses .ordinal()
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38 };
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39
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40 private final HgStatus.Kind kind;
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41 private final Path path;
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42 private final Path origin;
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43 private final ChangelogHelper logHelper;
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44
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45 HgStatus(HgStatus.Kind kind, Path path, ChangelogHelper changelogHelper) {
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46 this(kind, path, null, changelogHelper);
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47 }
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48
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49 HgStatus(HgStatus.Kind kind, Path path, Path copyOrigin, ChangelogHelper changelogHelper) {
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50 this.kind = kind;
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51 this.path = path;
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52 origin = copyOrigin;
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53 logHelper = changelogHelper;
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54 }
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55
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56 public HgStatus.Kind getKind() {
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57 return kind;
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58 }
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59
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60 public Path getPath() {
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61 return path;
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62 }
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63
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64 public Path getOriginalPath() {
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65 return origin;
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66 }
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67
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68 public boolean isCopy() {
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69 return origin != null;
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70 }
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72 /**
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73 * @return <code>null</code> if author for the change can't be deduced (e.g. for clean files it's senseless)
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74 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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75 */
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76 public String getModificationAuthor() throws HgRuntimeException {
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77 RawChangeset cset = logHelper.findLatestChangeWith(path);
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78 if (cset == null) {
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79 if (kind == Kind.Modified || kind == Kind.Added || kind == Kind.Removed /*&& RightBoundary is TIP*/) {
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80 // perhaps, also for Kind.Missing?
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81 return logHelper.getNextCommitUsername();
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82 }
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83 } else {
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84 return cset.user();
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85 }
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86 return null;
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87 }
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88
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89 /**
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90 * @return date when the file was last modified, never <code>null</code>. Either date of changeset the file was modified at
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91 * or timestamp of local file, if present
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92 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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93 */
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94 public Date getModificationDate() throws HgRuntimeException {
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95 RawChangeset cset = logHelper.findLatestChangeWith(path);
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96 if (cset == null) {
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97 File localFile = new File(logHelper.getRepo().getWorkingDir(), path.toString());
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98 if (localFile.canRead()) {
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99 return new Date(localFile.lastModified());
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100 }
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101 // TODO post-1.1 find out what to do in this case, perhaps, throw an exception?
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102 // perhaps check dirstate and for timestamp
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103 return new Date(); // what's correct?
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104 } else {
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105 return cset.date();
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106 }
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107 }
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108 }