1 /*
2 * #%L
3 * JavaHg
4 * %%
5 * Copyright (C) 2011 aragost Trifork ag
6 * %%
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 * #L%
25 */
26 package com.aragost.javahg.commands;
27
28 import java.util.List;
29
30 import com.aragost.javahg.Repository;
31 import com.aragost.javahg.commands.flags.AddRemoveCommandFlags;
32 import com.aragost.javahg.internals.UnexpectedCommandOutputException;
33 import com.google.common.collect.Lists;
34
35 /**
36 * Command class for executing <tt>hg addremove</tt>. Set flags from
37 * {@link AddRemoveCommandFlags} and see the {@link #execute(String...)}
38 * method for how to run the command.
39 */
40 public class AddRemoveCommand extends AddRemoveCommandFlags {
41
42 /**
43 * @param repository
44 * the repository associated with this command.
45 */
46 public AddRemoveCommand(Repository repository) {
47 super(repository);
48 withDebugFlag();
49 }
50
51 /**
52 * Check if the command ended successfully.
53 * <p>
54 * In contrast with Mercurial, a return code of 1 is considered to
55 * be successful. Mercurial returns 1 if some files could not be
56 * found, but at the same time it does add the files that could be
57 * found.
58 *
59 * @return true if the command exited with 0 or 1.
60 */
61 @Override
62 public boolean isSuccessful() {
63 return super.isSuccessful() || getReturnCode() == 1;
64 }
65
66 /**
67 * @return List of added or removed files
68 */
69 public List<String> execute() {
70 List<String> result = Lists.newArrayList();
71 for (String line : launchIterator(new String[0])) {
72 String prefix = null;
73
74 final String ADDING = "adding ";
75 final String REMOVING = "removing ";
76
77 if (line.startsWith(ADDING)) {
78 prefix = ADDING;
79 } else if (line.startsWith(REMOVING)) {
80 prefix = REMOVING;
81 }
82
83 if (prefix != null) {
84 String file = new String(line.substring(prefix.length()));
85 result.add(file);
86 } else {
87 if (line.startsWith("searching for exact renames")) {
88 continue;
89 }
90
91 // TODO: should clean up be called here? If so it should be for all
92 // other uses of launchIterator in a finally block
93 // cleanUp();
94 throw new UnexpectedCommandOutputException(this, line);
95 }
96 }
97 return result;
98 }
99 }