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1   /*
2    * Copyright (C) 2009, Google Inc.
3    * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
4    * and other copyright owners as documented in the project's IP log.
5    *
6    * This program and the accompanying materials are made available
7    * under the terms of the Eclipse Distribution License v1.0 which
8    * accompanies this distribution, is reproduced below, and is
9    * available at http://www.eclipse.org/org/documents/edl-v10.php
10   *
11   * All rights reserved.
12   *
13   * Redistribution and use in source and binary forms, with or
14   * without modification, are permitted provided that the following
15   * conditions are met:
16   *
17   * - Redistributions of source code must retain the above copyright
18   *   notice, this list of conditions and the following disclaimer.
19   *
20   * - Redistributions in binary form must reproduce the above
21   *   copyright notice, this list of conditions and the following
22   *   disclaimer in the documentation and/or other materials provided
23   *   with the distribution.
24   *
25   * - Neither the name of the Eclipse Foundation, Inc. nor the
26   *   names of its contributors may be used to endorse or promote
27   *   products derived from this software without specific prior
28   *   written permission.
29   *
30   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
31   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
32   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
33   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
34   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
35   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
36   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
37   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
38   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
39   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
40   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
41   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
42   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
43   */
44  
45  package org.eclipse.jgit.pgm;
46  
47  /**
48   * Indicates a {@link org.eclipse.jgit.pgm.TextBuiltin} implementation has
49   * failed during execution.
50   * <p>
51   * Typically the stack trace for a Die exception is not shown to the user as it
52   * may indicate a simple error condition that the end-user can fix on their own,
53   * without needing a screen of Java stack frames.
54   */
55  public class Die extends RuntimeException {
56  	private static final long serialVersionUID = 1L;
57  
58  	private boolean aborted;
59  
60  	/**
61  	 * Construct a new message explaining what has gone wrong.
62  	 *
63  	 * @param why
64  	 *            the message to show to the end-user.
65  	 */
66  	public Die(String why) {
67  		super(why);
68  	}
69  
70  	/**
71  	 * Construct a new message explaining what has gone wrong.
72  	 *
73  	 * @param why
74  	 *            the message to show to the end-user.
75  	 * @param cause
76  	 *            why the command has failed.
77  	 */
78  	public Die(String why, Throwable cause) {
79  		super(why, cause);
80  	}
81  
82  	/**
83  	 * Construct a new exception reflecting the fact that the
84  	 * command execution has been aborted before running.
85  	 *
86  	 * @param aborted boolean indicating the fact the execution has been aborted
87  	 * @since 3.4
88  	 */
89  	public Die(boolean aborted) {
90  		this(aborted, null);
91  	}
92  
93  	/**
94  	 * Construct a new exception reflecting the fact that the command execution
95  	 * has been aborted before running.
96  	 *
97  	 * @param aborted
98  	 *            boolean indicating the fact the execution has been aborted
99  	 * @param cause
100 	 *            can be null
101 	 * @since 4.2
102 	 */
103 	public Die(boolean aborted, Throwable cause) {
104 		super(cause != null ? cause.getMessage() : null, cause);
105 		this.aborted = aborted;
106 	}
107 
108 	/**
109 	 * Check if this exception should cause the execution to be aborted.
110 	 *
111 	 * @return boolean indicating that the execution should be aborted
112 	 * @since 3.4
113 	 */
114 	public boolean isAborted() {
115 		return aborted;
116 	}
117 }