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1   /*
2    * Copyright (C) 2008, Google Inc.
3    * Copyright (C) 2008, Jonas Fonseca <fonseca@diku.dk>
4    * Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com>
5    * Copyright (C) 2006-2007, Shawn O. Pearce <spearce@spearce.org>
6    * and other copyright owners as documented in the project's IP log.
7    *
8    * This program and the accompanying materials are made available
9    * under the terms of the Eclipse Distribution License v1.0 which
10   * accompanies this distribution, is reproduced below, and is
11   * available at http://www.eclipse.org/org/documents/edl-v10.php
12   *
13   * All rights reserved.
14   *
15   * Redistribution and use in source and binary forms, with or
16   * without modification, are permitted provided that the following
17   * conditions are met:
18   *
19   * - Redistributions of source code must retain the above copyright
20   *   notice, this list of conditions and the following disclaimer.
21   *
22   * - Redistributions in binary form must reproduce the above
23   *   copyright notice, this list of conditions and the following
24   *   disclaimer in the documentation and/or other materials provided
25   *   with the distribution.
26   *
27   * - Neither the name of the Eclipse Foundation, Inc. nor the
28   *   names of its contributors may be used to endorse or promote
29   *   products derived from this software without specific prior
30   *   written permission.
31   *
32   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
33   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
34   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
35   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
36   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
37   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
38   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
39   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
40   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
41   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
42   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
43   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
44   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45   */
46  
47  package org.eclipse.jgit.errors;
48  
49  import java.io.IOException;
50  import java.text.MessageFormat;
51  
52  import org.eclipse.jgit.annotations.Nullable;
53  import org.eclipse.jgit.internal.JGitText;
54  import org.eclipse.jgit.lib.AnyObjectId;
55  import org.eclipse.jgit.lib.ObjectChecker;
56  import org.eclipse.jgit.lib.ObjectId;
57  
58  /**
59   * Exception thrown when an object cannot be read from Git.
60   */
61  public class CorruptObjectException extends IOException {
62  	private static final long serialVersionUID = 1L;
63  
64  	private ObjectChecker.ErrorType errorType;
65  
66  	/**
67  	 * Report a specific error condition discovered in an object.
68  	 *
69  	 * @param type
70  	 *            type of error
71  	 * @param id
72  	 *            identity of the bad object
73  	 * @param why
74  	 *            description of the error.
75  	 * @since 4.2
76  	 */
77  	public CorruptObjectException(ObjectChecker.ErrorType type, AnyObjectId id,
78  			String why) {
79  		super(MessageFormat.format(JGitText.get().objectIsCorrupt3,
80  				type.getMessageId(), id.name(), why));
81  		this.errorType = type;
82  	}
83  
84  	/**
85  	 * Construct a CorruptObjectException for reporting a problem specified
86  	 * object id
87  	 *
88  	 * @param id
89  	 *            a {@link org.eclipse.jgit.lib.AnyObjectId}
90  	 * @param why
91  	 *            error message
92  	 */
93  	public CorruptObjectException(AnyObjectId id, String why) {
94  		super(MessageFormat.format(JGitText.get().objectIsCorrupt, id.name(), why));
95  	}
96  
97  	/**
98  	 * Construct a CorruptObjectException for reporting a problem specified
99  	 * object id
100 	 *
101 	 * @param id
102 	 *            a {@link org.eclipse.jgit.lib.ObjectId}
103 	 * @param why
104 	 *            error message
105 	 */
106 	public CorruptObjectException(ObjectId id, String why) {
107 		super(MessageFormat.format(JGitText.get().objectIsCorrupt, id.name(), why));
108 	}
109 
110 	/**
111 	 * Construct a CorruptObjectException for reporting a problem not associated
112 	 * with a specific object id.
113 	 *
114 	 * @param why
115 	 *            error message
116 	 */
117 	public CorruptObjectException(String why) {
118 		super(why);
119 	}
120 
121 	/**
122 	 * Construct a CorruptObjectException for reporting a problem not associated
123 	 * with a specific object id.
124 	 *
125 	 * @param why
126 	 *            message describing the corruption.
127 	 * @param cause
128 	 *            optional root cause exception
129 	 * @since 3.4
130 	 */
131 	public CorruptObjectException(String why, Throwable cause) {
132 		super(why);
133 		initCause(cause);
134 	}
135 
136 	/**
137 	 * Specific error condition identified by
138 	 * {@link org.eclipse.jgit.lib.ObjectChecker}.
139 	 *
140 	 * @return error condition or null.
141 	 * @since 4.2
142 	 */
143 	@Nullable
144 	public ObjectChecker.ErrorType getErrorType() {
145 		return errorType;
146 	}
147 }