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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.io.File;
29  import java.util.List;
30  
31  import com.aragost.javahg.Bundle;
32  import com.aragost.javahg.Changeset;
33  import com.aragost.javahg.Repository;
34  import com.aragost.javahg.commands.flags.IncomingCommandFlags;
35  import com.aragost.javahg.internals.HgInputStream;
36  import com.aragost.javahg.internals.Utils;
37  
38  /**
39   * Command class for executing <tt>hg incoming</tt>. Set flags from
40   * {@link IncomingCommandFlags} and call the {@link #execute} method.
41   */
42  public class IncomingCommand extends IncomingCommandFlags {
43  
44      private File bundleFile;
45  
46      /**
47       * @param repository
48       *            the repository associated with this command.
49       */
50      public IncomingCommand(Repository repository) {
51          super(repository);
52          withDebugAndChangesetStyle();
53          cmdAppend("-y");
54      }
55  
56      @Override
57      public IncomingCommand bundle(String file) {
58          this.bundleFile = new File(file);
59          return this;
60      }
61  
62      /**
63       * @param src
64       *            the source repository.
65       * @return bundle with incoming changesets
66       */
67      public Bundle execute(String src) {
68          if (this.bundleFile == null) {
69              this.bundleFile = Utils.createTempFile(".bundle");
70              cmdAppend("--bundle", this.bundleFile.getPath());
71          }
72          HgInputStream stream = launchStream(src);
73          Bundle bundle = new Bundle(getRepository().getBaseRepository(), this.bundleFile, true);
74          List<Changeset> changesets = Changeset.readListFromStream(bundle.getOverlayRepository(), stream);
75          if (changesets.isEmpty()) {
76              bundle.close();
77              return null;
78          }
79          bundle.init(changesets);
80          return bundle;
81      }
82  
83      public Bundle execute(File directory) {
84          return execute(directory.getPath());
85      }
86  
87      public Bundle execute(Repository repository) {
88          return execute(repository.getDirectory());
89      }
90  
91      @Override
92      public boolean isSuccessful() {
93          return super.isSuccessful() || getReturnCode() == 1;
94      }
95  }