Mercurial > jhg

annotate src/org/tmatesoft/hg/core/HgUpdateConfigCommand.java @ 656:a937e63b6e02

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Performance: rebuild information about branches takes too long (my improvement: 3 times, 11-15 s to less than 4 sec)
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 04 Jul 2013 18:40:03 +0200
parents 0205a5c4566b
children
rev   line source
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2012 TMate Software Ltd
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.core;
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import java.io.File;
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
20 import java.io.FileInputStream;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
21 import java.io.FileOutputStream;
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import java.io.IOException;
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
23 import java.util.LinkedList;
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 import java.util.List;
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 import java.util.Map;
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 import org.tmatesoft.hg.internal.ConfigFile;
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
28 import org.tmatesoft.hg.internal.ConfigFileParser;
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29 import org.tmatesoft.hg.internal.Internals;
382
82336b7c54f4 Per-repository UpdateConfigCommand completed. Access to system properties through SessionContext to ease alternation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 378
diff changeset
30 import org.tmatesoft.hg.repo.HgInternals;
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
31 import org.tmatesoft.hg.repo.HgInvalidStateException;
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 import org.tmatesoft.hg.repo.HgRepository;
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 /**
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
35 * Command to alter Mercurial configuration settings at various levels (system-wide, user-wide, repository-wide).
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36 *
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 * @author Artem Tikhomirov
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 * @author TMate Software Ltd.
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 */
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40 public final class HgUpdateConfigCommand extends HgAbstractCommand<HgUpdateConfigCommand> {
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
42 private final SessionContext sessionCtx;
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 private final File configFile;
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
45 private final List<Operation> changes = new LinkedList<Operation>();
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
46 private boolean ignoreMissingKeys = false;
483
e31e85cf4d4c Handle include and unset directives in config files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 427
diff changeset
47
e31e85cf4d4c Handle include and unset directives in config files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 427
diff changeset
48 private HgUpdateConfigCommand(SessionContext sessionContext, File configurationFile) {
e31e85cf4d4c Handle include and unset directives in config files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 427
diff changeset
49 sessionCtx = sessionContext;
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 configFile = configurationFile;
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 }
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 public static HgUpdateConfigCommand forRepository(HgRepository hgRepo) {
493
ba36f66c32b4 Refactor to keep knowledge about repository control files and their location in respect to .hg/ in a single place (facilitate future adoption of shared repositories)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
54 return new HgUpdateConfigCommand(hgRepo.getSessionContext(), HgInternals.getImplementationRepo(hgRepo).getFileFromRepoDir("hgrc"));
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 }
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56
382
82336b7c54f4 Per-repository UpdateConfigCommand completed. Access to system properties through SessionContext to ease alternation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 378
diff changeset
57 public static HgUpdateConfigCommand forUser(SessionContext ctx) {
483
e31e85cf4d4c Handle include and unset directives in config files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 427
diff changeset
58 return new HgUpdateConfigCommand(ctx, Internals.getUserConfigurationFileToWrite(ctx));
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59 }
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60
382
82336b7c54f4 Per-repository UpdateConfigCommand completed. Access to system properties through SessionContext to ease alternation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 378
diff changeset
61 public static HgUpdateConfigCommand forInstallation(SessionContext ctx) {
483
e31e85cf4d4c Handle include and unset directives in config files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 427
diff changeset
62 return new HgUpdateConfigCommand(ctx, Internals.getInstallationConfigurationFileToWrite(ctx));
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
63 }
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
64
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
65 /**
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
66 * Remove an entry altogether. If no entry with the key found, {@link #execute()} fails.
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
67 *
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
68 * @param section identifies section to alter, not <code>null</code> or otherwise ill-formed name
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
69 * @param key identifies entry within section, not <code>null</code> or otherwise ill-formed name
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
70 * @return <code>this</code> for convenience
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
71 * @throws IllegalArgumentException if arguments are <code>null</code> or empty
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
72 */
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
73 public HgUpdateConfigCommand remove(String section, String key) throws IllegalArgumentException {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
74 checkSection(section);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
75 checkKey(key);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
76 changes.add(Operation.deleteEntry(section, key));
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
77 return this;
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
78 }
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
79
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
80 /**
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
81 * Delete single attribute in a multi-valued property. If specified value not found among values of
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
82 * the identified entry, {@link #execute()} fails.
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
83 *
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
84 * @param section identifies section to alter, not <code>null</code> or otherwise ill-formed name
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
85 * @param key identifies entry within section, not <code>null</code> or otherwise ill-formed name
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
86 * @param value one of the values to remove, not <code>null</code> or an empty value
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
87 * @return <code>this</code> for convenience
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
88 * @throws IllegalArgumentException if arguments are <code>null</code> or empty
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
89 */
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
90 public HgUpdateConfigCommand remove(String section, String key, String value) throws IllegalArgumentException {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
91 checkSection(section);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
92 checkKey(key);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
93 changes.add(Operation.deleteValue(section, key, value));
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
94 return this;
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
95 }
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
96
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
97 /**
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
98 * Set single-valued property or update multi-valued with a single value
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
99 *
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
100 * @param section identifies section to alter, not <code>null</code> or otherwise ill-formed name
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
101 * @param key identifies entry within section, not <code>null</code> or otherwise ill-formed name
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
102 * @param value new value, may be <code>null</code>
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
103 * @return <code>this</code> for convenience
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
104 * @throws IllegalArgumentException if arguments are <code>null</code> or empty
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
105 */
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
106 public HgUpdateConfigCommand put(String section, String key, String value) throws IllegalArgumentException {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
107 checkSection(section);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
108 checkKey(key);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
109 changes.add(Operation.setValue(section, key, value));
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
110 return this;
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
111 }
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
112
427
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
113 /**
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
114 * Add value to a multi-valued entry. If specified entry not found, {@link #execute()} fails.
427
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
115 *
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
116 * @param section identifies section to alter, not <code>null</code> or otherwise ill-formed name
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
117 * @param key identifies entry within section, not <code>null</code> or otherwise ill-formed name
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
118 * @param value new value to add, not <code>null</code> or an empty value
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
119 * @return <code>this</code> for convenience
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
120 * @throws IllegalArgumentException if arguments are <code>null</code> or empty
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
121 */
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
122 public HgUpdateConfigCommand add(String section, String key, String value) throws IllegalArgumentException {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
123 checkSection(section);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
124 checkKey(key);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
125 changes.add(Operation.addValue(section, key, value));
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
126 return this;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
127 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
128
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
129 /**
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
130 * Tells whether {@link #execute()} shall fail with exception if keys selected for modification were not found.
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
131 * If <code>true</code>, missing keys would be silently ignored.
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
132 * When <code>false</code>(<em>default</em>), exception would be raised.
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
133 *
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
134 * @param ignoreMissing pass <code>true</code> to ignore any incorrect keys
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
135 * @return <code>this</code> for convenience
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
136 */
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
137 public HgUpdateConfigCommand ignoreMissing(boolean ignoreMissing) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
138 ignoreMissingKeys = ignoreMissing;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
139 return this;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
140 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
141
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
142 /**
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
143 * Perform configuration file update.
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
144 *
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
145 * @throws HgMissingConfigElementException if attempt to alter an entry failed to find one, and missing keys are not ignored
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
146 * @throws HgIOException when configuration file read/write attemt has failed
427
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
147 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
148 */
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
149 public void execute() throws HgMissingConfigElementException, HgIOException, HgException {
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
150 try {
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
151 ConfigFile cfgRead = new ConfigFile(sessionCtx);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
152 cfgRead.addLocation(configFile);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
153 ConfigFileParser cfgWrite = new ConfigFileParser();
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
154 FileInputStream fis = new FileInputStream(configFile);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
155 cfgWrite.parse(fis);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
156 fis.close();
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
157 for (Operation op : changes) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
158 if (!ignoreMissingKeys && !cfgRead.hasSection(op.section)) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
159 throw new HgMissingConfigElementException("Bad section name", op.section, op.key);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
160 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
161 Map<String, String> sect = cfgRead.getSection(op.section);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
162 if (!ignoreMissingKeys && !sect.containsKey(op.key)) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
163 throw new HgMissingConfigElementException("Bad key name", op.section, op.key);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
164 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
165 String oldValue = sect.get(op.key);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
166 if (oldValue == null) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
167 oldValue = "";
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
168 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
169 switch (op.kind) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
170 case AddValue: {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
171 String separator = ", "; // XXX shall parse and find out separator kind in use
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
172 String newValue = oldValue + separator + op.value;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
173 if (sect.containsKey(op.key)) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
174 cfgWrite.change(op.section, op.key, newValue);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
175 } else {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
176 cfgWrite.add(op.section, op.key, newValue);
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
177 }
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
178 break;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
179 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
180 case DelValue: {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
181 if (!ignoreMissingKeys && (oldValue.length() == 0 || !oldValue.contains(op.value))) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
182 throw new HgMissingConfigElementException(String.format("Bad value '%s' to delete from '%s'", op.value, oldValue), op.section, op.key);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
183 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
184 int start = oldValue.indexOf(op.value);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
185 if (start == -1) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
186 // nothing to change
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
187 break;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
188 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
189 int commaPos = -1;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
190 for (int i = start-1; i >=0; i--) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
191 if (oldValue.charAt(i) == ',') {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
192 commaPos = i;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
193 break;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
194 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
195 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
196 for (int i = start + op.value.length(); commaPos == -1 && i < oldValue.length(); i++) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
197 if (oldValue.charAt(i) == ',') {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
198 commaPos = i;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
199 break;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
200 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
201 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
202 String newValue;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
203 if (commaPos >= 0) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
204 if (commaPos < start) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
205 // from preceding comma up to end of value
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
206 newValue = oldValue.substring(0, commaPos) + oldValue.substring(start + op.value.length());
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
207 } else {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
208 // from value start up to and including subsequent comma
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
209 newValue = oldValue.substring(0, start) + oldValue.substring(commaPos+1);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
210 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
211 } else {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
212 // found no separator, just remove the value
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
213 // extra whitespaces (if space, not a comma is a separator) won't hurt
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
214 newValue = oldValue.substring(0, start) + oldValue.substring(start + op.value.length());
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
215 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
216 cfgWrite.change(op.section, op.key, newValue);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
217 break;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
218 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
219 case SetValue: {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
220 if (sect.containsKey(op.key)) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
221 cfgWrite.change(op.section, op.key, op.value);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
222 } else {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
223 cfgWrite.add(op.section, op.key, op.value);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
224 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
225 break;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
226 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
227 case DelEntry: {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
228 cfgWrite.delete(op.section, op.key);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
229 break;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
230 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
231 default: throw new HgInvalidStateException(String.format("Unknown change %s", op.kind));
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
232 }
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
233 }
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
234 FileOutputStream fos = new FileOutputStream(configFile);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
235 cfgWrite.update(fos);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
236 fos.close();
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
237 } catch (IOException ex) {
427
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
238 String m = String.format("Failed to update configuration file %s", configFile);
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
239 throw new HgBadArgumentException(m, ex); // TODO [post-1.0] better exception, it's not bad argument case
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
240 }
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
241 }
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
242
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
243 private static void checkSection(String section) throws IllegalArgumentException {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
244 if (section == null || section.trim().length() == 0) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
245 throw new IllegalArgumentException(String.format("Section name can't be empty: %s", section));
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
246 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
247 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
248
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
249 private static void checkKey(String key) throws IllegalArgumentException {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
250 if (key == null || key.trim().length() == 0) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
251 throw new IllegalArgumentException(String.format("Entry key can't be empty: %s", key));
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
252 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
253 }
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
254
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
255
498
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
256 private static class Operation {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
257 private enum OpKind { AddValue, SetValue, DelValue, DelEntry };
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
258
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
259 public final OpKind kind;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
260 public final String section;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
261 public final String key;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
262 public final String value;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
263
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
264 private Operation(OpKind t, String s, String k, String v) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
265 kind = t;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
266 section = s;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
267 key = k;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
268 value = v;
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
269 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
270
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
271 public static Operation deleteEntry(String section, String key) throws IllegalArgumentException {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
272 return new Operation(OpKind.DelEntry, section, key, null);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
273 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
274 public static Operation deleteValue(String section, String key, String value) throws IllegalArgumentException {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
275 if (value == null || value.trim().length() == 0) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
276 throw new IllegalArgumentException(String.format("Can't remove empty value '%s'", value));
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
277 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
278 return new Operation(OpKind.DelValue, section, key, value);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
279 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
280 public static Operation addValue(String section, String key, String value) throws IllegalArgumentException {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
281 if (value == null || value.trim().length() == 0) {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
282 throw new IllegalArgumentException(String.format("Can't add empty value '%s'", value));
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
283 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
284 return new Operation(OpKind.AddValue, section, key, value);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
285 }
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
286 public static Operation setValue(String section, String key, String value) throws IllegalArgumentException {
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
287 return new Operation(OpKind.SetValue, section, key, value);
0205a5c4566b Issue 38: preserve user formatting and comments when updating configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
288 }
378
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
289 }
9fb990c8a724 Investigate approaches to alter Mercurial configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
290 }