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1   /*
2    * Copyright (C) 2010, Sasa Zivkov <sasa.zivkov@sap.com>
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.notes;
45  
46  import java.io.IOException;
47  import java.text.MessageFormat;
48  
49  import org.eclipse.jgit.internal.JGitText;
50  
51  /**
52   * This exception will be thrown from the
53   * {@link org.eclipse.jgit.notes.NoteMerger} when a conflict on Notes content is
54   * found during merge.
55   */
56  public class NotesMergeConflictException extends IOException {
57  	private static final long serialVersionUID = 1L;
58  
59  	/**
60  	 * Construct a NotesMergeConflictException for the specified base, ours and
61  	 * theirs note versions.
62  	 *
63  	 * @param base
64  	 *            note version
65  	 * @param ours
66  	 *            note version
67  	 * @param theirs
68  	 *            note version
69  	 */
70  	public NotesMergeConflictException(Note base, Note ours, Note theirs) {
71  		super(MessageFormat.format(JGitText.get().mergeConflictOnNotes,
72  				noteOn(base, ours, theirs), noteData(base), noteData(ours),
73  				noteData(theirs)));
74  	}
75  
76  	/**
77  	 * Constructs a NotesMergeConflictException for the specified base, ours and
78  	 * theirs versions of the root note tree.
79  	 *
80  	 * @param base
81  	 *            version of the root note tree
82  	 * @param ours
83  	 *            version of the root note tree
84  	 * @param theirs
85  	 *            version of the root note tree
86  	 */
87  	public NotesMergeConflictException(NonNoteEntry base, NonNoteEntry ours,
88  			NonNoteEntry theirs) {
89  		super(MessageFormat.format(
90  				JGitText.get().mergeConflictOnNonNoteEntries, name(base),
91  				name(ours), name(theirs)));
92  	}
93  
94  	private static String noteOn(Note base, Note ours, Note theirs) {
95  		if (base != null)
96  			return base.name();
97  		if (ours != null)
98  			return ours.name();
99  		return theirs.name();
100 	}
101 
102 	private static String noteData(Note n) {
103 		if (n != null)
104 			return n.getData().name();
105 		return ""; //$NON-NLS-1$
106 	}
107 
108 	private static String name(NonNoteEntry e) {
109 		return e != null ? e.name() : ""; //$NON-NLS-1$
110 	}
111 }