1 /*
2 * Copyright (C) 2008, Florian Koeberle <florianskarten@web.de>
3 * Copyright (C) 2008, Florian Köberle <florianskarten@web.de>
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.fnmatch;
46
47 import java.util.List;
48
49 import org.eclipse.jgit.internal.JGitText;
50
51 abstract class AbstractHead implements Head {
52 private List<Head> newHeads = null;
53
54 private final boolean star;
55
56 protected abstract boolean matches(char c);
57
58 AbstractHead(boolean star) {
59 this.star = star;
60 }
61
62 /**
63 *
64 * @param newHeads
65 * a list of {@link Head}s which will not be modified.
66 */
67 public final void setNewHeads(List<Head> newHeads) {
68 if (this.newHeads != null)
69 throw new IllegalStateException(JGitText.get().propertyIsAlreadyNonNull);
70 this.newHeads = newHeads;
71 }
72
73 @Override
74 public List<Head> getNextHeads(char c) {
75 if (matches(c))
76 return newHeads;
77 else
78 return FileNameMatcher.EMPTY_HEAD_LIST;
79 }
80
81 boolean isStar() {
82 return star;
83 }
84 }