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1   /*
2    * Copyright (C) 2015 Obeo.
3    * and other copyright owners as documented in the project's IP log.
4    *
5    * This program and the accompanying materials are made available
6    * under the terms of the Eclipse Distribution License v1.0 which
7    * accompanies this distribution, is reproduced below, and is
8    * available at http://www.eclipse.org/org/documents/edl-v10.php
9    *
10   * All rights reserved.
11   *
12   * Redistribution and use in source and binary forms, with or
13   * without modification, are permitted provided that the following
14   * conditions are met:
15   *
16   * - Redistributions of source code must retain the above copyright
17   *   notice, this list of conditions and the following disclaimer.
18   *
19   * - Redistributions in binary form must reproduce the above
20   *   copyright notice, this list of conditions and the following
21   *   disclaimer in the documentation and/or other materials provided
22   *   with the distribution.
23   *
24   * - Neither the name of the Eclipse Foundation, Inc. nor the
25   *   names of its contributors may be used to endorse or promote
26   *   products derived from this software without specific prior
27   *   written permission.
28   *
29   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
34   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42   */
43  package org.eclipse.jgit.hooks;
44  
45  import java.io.IOException;
46  import java.io.PrintStream;
47  
48  import org.eclipse.jgit.api.errors.AbortedByHookException;
49  import org.eclipse.jgit.lib.Repository;
50  
51  /**
52   * The <code>pre-commit</code> hook implementation. This hook is run before the
53   * commit and can reject the commit.
54   *
55   * @since 4.0
56   */
57  public class PreCommitHook extends GitHook<Void> {
58  
59  	/** The pre-commit hook name. */
60  	public static final String NAME = "pre-commit"; //$NON-NLS-1$
61  
62  	/**
63  	 * Constructor for PreCommitHook
64  	 * <p>
65  	 * This constructor will use the default error stream.
66  	 * </p>
67  	 *
68  	 * @param repo
69  	 *            The repository
70  	 * @param outputStream
71  	 *            The output stream the hook must use. {@code null} is allowed,
72  	 *            in which case the hook will use {@code System.out}.
73  	 */
74  	protected PreCommitHook(Repository repo, PrintStream outputStream) {
75  		super(repo, outputStream);
76  	}
77  
78  	/**
79  	 * Constructor for PreCommitHook
80  	 *
81  	 * @param repo
82  	 *            The repository
83  	 * @param outputStream
84  	 *            The output stream the hook must use. {@code null} is allowed,
85  	 *            in which case the hook will use {@code System.out}.
86  	 * @param errorStream
87  	 *            The error stream the hook must use. {@code null} is allowed,
88  	 *            in which case the hook will use {@code System.err}.
89  	 * @since 5.6
90  	 */
91  	protected PreCommitHook(Repository repo, PrintStream outputStream,
92  			PrintStream errorStream) {
93  		super(repo, outputStream, errorStream);
94  	}
95  
96  	/** {@inheritDoc} */
97  	@Override
98  	public Void call() throws IOException, AbortedByHookException {
99  		doRun();
100 		return null;
101 	}
102 
103 	/** {@inheritDoc} */
104 	@Override
105 	public String getHookName() {
106 		return NAME;
107 	}
108 
109 }