Mercurial > jhg

annotate src/org/tmatesoft/hg/core/HgRepoFacade.java @ 176:a8df7162ec75

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Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sat, 02 Apr 2011 03:01:14 +0200
parents 1a7a9a20e1f9
children cd3371670f0b
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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.core;
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18
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19 import java.io.File;
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20
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21 import org.tmatesoft.hg.repo.HgRepository;
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22 import org.tmatesoft.hg.repo.HgLookup;
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23
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24 /**
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25 * Starting point for the library.
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26 * <p>Sample use:
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27 * <pre>
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28 * HgRepoFacade f = new HgRepoFacade();
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29 * f.initFrom(System.getenv("whatever.repo.location"));
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30 * HgStatusCommand statusCmd = f.createStatusCommand();
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31 * HgStatusCommand.Handler handler = ...;
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32 * statusCmd.execute(handler);
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33 * </pre>
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34 *
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35 * @author Artem Tikhomirov
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36 * @author TMate Software Ltd.
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37 */
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38 public class HgRepoFacade {
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39 private HgRepository repo;
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40
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41 public HgRepoFacade() {
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42 }
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43
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44 /**
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45 * @param hgRepo
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46 * @return true on successful initialization
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47 * @throws IllegalArgumentException when argument is null
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48 */
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49 public boolean init(HgRepository hgRepo) {
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50 if (hgRepo == null) {
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51 throw new IllegalArgumentException();
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52 }
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53 repo = hgRepo;
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54 return !repo.isInvalid();
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55 }
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57 /**
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58 * Tries to find repository starting from the current working directory.
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59 * @return <code>true</code> if found valid repository
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60 * @throws HgException in case of errors during repository initialization
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61 */
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62 public boolean init() throws HgException {
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63 repo = new HgLookup().detectFromWorkingDir();
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64 return repo != null && !repo.isInvalid();
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65 }
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67 /**
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68 * Looks up Mercurial repository starting from specified location and up to filesystem root.
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69 *
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70 * @param repoLocation path to any folder within structure of a Mercurial repository.
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71 * @return <code>true</code> if found valid repository
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72 * @throws HgException if there are errors accessing specified location
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73 * @throws IllegalArgumentException if argument is <code>null</code>
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74 */
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75 public boolean initFrom(File repoLocation) throws HgException {
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76 if (repoLocation == null) {
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77 throw new IllegalArgumentException();
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78 }
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79 repo = new HgLookup().detect(repoLocation);
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80 return repo != null && !repo.isInvalid();
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81 }
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83 public HgRepository getRepository() {
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84 if (repo == null) {
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85 throw new IllegalStateException("Call any of #init*() methods first first");
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86 }
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87 return repo;
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88 }
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90 public HgLogCommand createLogCommand() {
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91 return new HgLogCommand(repo/*, getCommandContext()*/);
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92 }
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94 public HgStatusCommand createStatusCommand() {
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95 return new HgStatusCommand(repo/*, getCommandContext()*/);
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96 }
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98 public HgCatCommand createCatCommand() {
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99 return new HgCatCommand(repo);
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100 }
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102 public HgManifestCommand createManifestCommand() {
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103 return new HgManifestCommand(repo);
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104 }
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105 }