AbstractHead.java
/*
* Copyright (C) 2008, Florian Koeberle <florianskarten@web.de>
* Copyright (C) 2008, Florian Köberle <florianskarten@web.de>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.fnmatch;
import java.util.List;
import org.eclipse.jgit.internal.JGitText;
abstract class AbstractHead implements Head {
private List<Head> newHeads = null;
private final boolean star;
/**
* Whether the char matches
*
* @param c
* a char.
* @return whether the char matches
*/
protected abstract boolean matches(char c);
AbstractHead(boolean star) {
this.star = star;
}
/**
* Set {@link org.eclipse.jgit.fnmatch.Head}s which will not be modified.
*
* @param newHeads
* a list of {@link org.eclipse.jgit.fnmatch.Head}s which will
* not be modified.
*/
public final void setNewHeads(List<Head> newHeads) {
if (this.newHeads != null)
throw new IllegalStateException(JGitText.get().propertyIsAlreadyNonNull);
this.newHeads = newHeads;
}
/** {@inheritDoc} */
@Override
public List<Head> getNextHeads(char c) {
if (matches(c))
return newHeads;
else
return FileNameMatcher.EMPTY_HEAD_LIST;
}
boolean isStar() {
return star;
}
}