annotate src/org/tmatesoft/hg/repo/HgInternals.java @ 277:74e7493a042a

Favor delegation over generalization
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 29 Aug 2011 23:14:59 +0200
parents 7af843ecc378
children 7232b94f2ae3
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1 /*
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2 * Copyright (c) 2011 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.repo;
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18
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19 import static org.tmatesoft.hg.repo.HgRepository.*;
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21 import java.io.BufferedReader;
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22 import java.io.File;
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23 import java.io.IOException;
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24 import java.io.Reader;
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25 import java.net.InetAddress;
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26 import java.net.UnknownHostException;
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28 import org.tmatesoft.hg.internal.ConfigFile;
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29 import org.tmatesoft.hg.internal.Experimental;
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30 import org.tmatesoft.hg.internal.RelativePathRewrite;
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31 import org.tmatesoft.hg.util.FileIterator;
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32 import org.tmatesoft.hg.util.FileWalker;
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33 import org.tmatesoft.hg.util.Path;
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34 import org.tmatesoft.hg.util.PathRewrite;
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35
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37 /**
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38 * DO NOT USE THIS CLASS, INTENDED FOR TESTING PURPOSES.
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39 *
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40 * This class gives access to repository internals, and holds methods that I'm not confident have to be widely accessible
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41 * Debug helper, to access otherwise restricted (package-local) methods
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42 *
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43 * @author Artem Tikhomirov
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44 * @author TMate Software Ltd.
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45 */
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46 @Experimental(reason="Perhaps, shall split methods with debug purpose from methods that are experimental API")
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47 public class HgInternals {
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49 private final HgRepository repo;
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51 public HgInternals(HgRepository hgRepo) {
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52 repo = hgRepo;
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53 }
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55 public void dumpDirstate() {
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56 repo.loadDirstate().dump();
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57 }
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59 public boolean[] checkIgnored(String... toCheck) {
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60 HgIgnore ignore = repo.getIgnore();
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61 boolean[] rv = new boolean[toCheck.length];
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62 for (int i = 0; i < toCheck.length; i++) {
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63 rv[i] = ignore.isIgnored(Path.create(toCheck[i]));
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64 }
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65 return rv;
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66 }
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68 public File getRepositoryDir() {
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69 return repo.getRepositoryRoot();
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70 }
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72 public ConfigFile getRepoConfig() {
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73 return repo.getConfigFile();
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74 }
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76 public static HgIgnore newHgIgnore(Reader source) throws IOException {
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77 HgIgnore hgIgnore = new HgIgnore();
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78 BufferedReader br = source instanceof BufferedReader ? (BufferedReader) source : new BufferedReader(source);
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79 hgIgnore.read(br);
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80 br.close();
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81 return hgIgnore;
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82 }
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84 // in fact, need a setter for this anyway, shall move to internal.Internals perhaps?
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85 public String getNextCommitUsername() {
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86 String hgUser = System.getenv("HGUSER");
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87 if (hgUser != null && hgUser.trim().length() > 0) {
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88 return hgUser.trim();
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89 }
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90 String configValue = getRepoConfig().getString("ui", "username", null);
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91 if (configValue != null) {
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92 return configValue;
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93 }
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94 String email = System.getenv("EMAIL");
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95 if (email != null && email.trim().length() > 0) {
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96 return email;
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97 }
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98 String username = System.getProperty("user.name");
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99 try {
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100 String hostname = InetAddress.getLocalHost().getHostName();
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101 return username + '@' + hostname;
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102 } catch (UnknownHostException ex) {
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103 return username;
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104 }
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105 }
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107 @Experimental(reason="Don't want to expose io.File from HgRepository; need to create FileIterator for working dir. Need a place to keep that code")
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108 /*package-local*/ FileIterator createWorkingDirWalker(Path.Matcher workindDirScope) {
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109 File repoRoot = repo.getWorkingDir();
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110 Path.Source pathSrc = new Path.SimpleSource(new PathRewrite.Composite(new RelativePathRewrite(repoRoot), repo.getToRepoPathHelper()));
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111 // Impl note: simple source is enough as files in the working dir are all unique
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112 // even if they might get reused (i.e. after FileIterator#reset() and walking once again),
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113 // path caching is better to be done in the code which knows that path are being reused
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114 return new FileWalker(repoRoot, pathSrc, workindDirScope);
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115 }
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118 // Convenient check of local revision number for validity (not all negative values are wrong as long as we use negative constants)
1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 142
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119 public static boolean wrongLocalRevision(int rev) {
1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 142
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120 return rev < 0 && rev != TIP && rev != WORKING_COPY && rev != BAD_REVISION;
1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 142
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121 }
59
b771e94a4f7c Introduce Internals to keep LocalHgRepo casts and alike in a single place. WCSC optionally to reuse SC data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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122 }