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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  
30  import com.aragost.javahg.Repository;
31  import com.aragost.javahg.commands.flags.DiffCommandFlags;
32  import com.aragost.javahg.internals.HgInputStream;
33  import com.aragost.javahg.internals.Utils;
34  
35  /**
36   * Command class for executing <tt>hg diff</tt>. Set flags from
37   * {@link DiffCommandFlags} and call the {@link #execute} method.
38   */
39  public class DiffCommand extends DiffCommandFlags {
40  
41      /**
42       * @param repository
43       *            the repository associated with this command.
44       */
45      public DiffCommand(Repository repository) {
46          super(repository);
47          cmdAppend("--git");
48      }
49  
50      /**
51       * Run <tt>hg diff</tt>.
52       * 
53       * @return the diff as a String.
54       */
55      public String execute() {
56          return launchString();
57      }
58  
59      /**
60       * Run <tt>hg diff</tt> on the files.
61       * 
62       * @param files
63       *            the input files
64       * @return the diff as a String.
65       */
66      public String execute(String... files) {
67          return launchString(files);
68      }
69  
70      /**
71       * Run <tt>hg diff</tt> on the files.
72       * 
73       * @param files
74       *            the input files
75       * @return the diff as a String.
76       */
77      public String execute(File... files) {
78          return execute(Utils.fileArray2StringArray(files));
79      }
80  
81      /**
82       * Run <tt>hg diff</tt> on the files. Note: The caller is responsible for fully
83       * consuming the returned stream
84       * 
85       * @param files
86       *            the input files
87       * @return the diff as a stream
88       */
89      public HgInputStream stream(File... files) {
90          return launchStream(Utils.fileArray2StringArray(files));
91      }
92  }