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1   /*
2    * Copyright (C) 2010, Google Inc.
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  
44  package org.eclipse.jgit.errors;
45  
46  import java.io.IOException;
47  import java.text.MessageFormat;
48  import java.util.Collection;
49  
50  import org.eclipse.jgit.internal.JGitText;
51  import org.eclipse.jgit.lib.AbbreviatedObjectId;
52  import org.eclipse.jgit.lib.ObjectId;
53  
54  /**
55   * An {@link org.eclipse.jgit.lib.AbbreviatedObjectId} cannot be extended.
56   */
57  public class AmbiguousObjectException extends IOException {
58  	private static final long serialVersionUID = 1L;
59  
60  	private final AbbreviatedObjectId missing;
61  
62  	private final Collection<ObjectId> candidates;
63  
64  	/**
65  	 * Construct a MissingObjectException for the specified object id. Expected
66  	 * type is reported to simplify tracking down the problem.
67  	 *
68  	 * @param id
69  	 *            SHA-1
70  	 * @param candidates
71  	 *            the candidate matches returned by the ObjectReader.
72  	 */
73  	public AmbiguousObjectException(final AbbreviatedObjectId id,
74  			final Collection<ObjectId> candidates) {
75  		super(MessageFormat.format(JGitText.get().ambiguousObjectAbbreviation,
76  				id.name()));
77  		this.missing = id;
78  		this.candidates = candidates;
79  	}
80  
81  	/**
82  	 * Get the {@code AbbreviatedObjectId} that has more than one result
83  	 *
84  	 * @return the {@code AbbreviatedObjectId} that has more than one result
85  	 */
86  	public AbbreviatedObjectId getAbbreviatedObjectId() {
87  		return missing;
88  	}
89  
90  	/**
91  	 * Get the matching candidates (or at least a subset of them)
92  	 *
93  	 * @return the matching candidates (or at least a subset of them)
94  	 */
95  	public Collection<ObjectId> getCandidates() {
96  		return candidates;
97  	}
98  }