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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.PrintStream;
46  import java.text.MessageFormat;
47  
48  import org.eclipse.jgit.internal.JGitText;
49  import org.eclipse.jgit.lib.Repository;
50  import org.eclipse.jgit.util.LfsFactory;
51  
52  /**
53   * Factory class for instantiating supported hooks.
54   *
55   * @since 4.0
56   */
57  public class Hooks {
58  
59  	/**
60  	 * Create pre-commit hook for the given repository
61  	 *
62  	 * @param repo
63  	 *            a {@link org.eclipse.jgit.lib.Repository} object.
64  	 * @param outputStream
65  	 *            The output stream, or {@code null} to use {@code System.out}
66  	 * @return The pre-commit hook for the given repository.
67  	 */
68  	public static PreCommitHook preCommit(Repository repo,
69  			PrintStream outputStream) {
70  		return new PreCommitHook(repo, outputStream);
71  	}
72  
73  	/**
74  	 * Create post-commit hook for the given repository
75  	 *
76  	 * @param repo
77  	 *            a {@link org.eclipse.jgit.lib.Repository} object.
78  	 * @param outputStream
79  	 *            The output stream, or {@code null} to use {@code System.out}
80  	 * @return The post-commit hook for the given repository.
81  	 * @since 4.5
82  	 */
83  	public static PostCommitHook postCommit(Repository repo,
84  			PrintStream outputStream) {
85  		return new PostCommitHook(repo, outputStream);
86  	}
87  
88  	/**
89  	 * Create commit-msg hook for the given repository
90  	 *
91  	 * @param repo
92  	 *            a {@link org.eclipse.jgit.lib.Repository} object.
93  	 * @param outputStream
94  	 *            The output stream, or {@code null} to use {@code System.out}
95  	 * @return The commit-msg hook for the given repository.
96  	 */
97  	public static CommitMsgHook commitMsg(Repository repo,
98  			PrintStream outputStream) {
99  		return new CommitMsgHook(repo, outputStream);
100 	}
101 
102 	/**
103 	 * Create pre-push hook for the given repository
104 	 *
105 	 * @param repo
106 	 *            a {@link org.eclipse.jgit.lib.Repository} object.
107 	 * @param outputStream
108 	 *            The output stream, or {@code null} to use {@code System.out}
109 	 * @return The pre-push hook for the given repository.
110 	 * @since 4.2
111 	 */
112 	public static PrePushHook prePush(Repository repo, PrintStream outputStream) {
113 		if (LfsFactory.getInstance().isAvailable()) {
114 			PrePushHook hook = LfsFactory.getInstance().getPrePushHook(repo,
115 					outputStream);
116 			if (hook != null) {
117 				if (hook.isNativeHookPresent()) {
118 					PrintStream ps = outputStream;
119 					if (ps == null) {
120 						ps = System.out;
121 					}
122 					ps.println(MessageFormat
123 							.format(JGitText.get().lfsHookConflict, repo));
124 				}
125 				return hook;
126 			}
127 		}
128 		return new PrePushHook(repo, outputStream);
129 	}
130 }