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/*
* Copyright (C) 2008, Florian Köberle <florianskarten@web.de> and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
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;
}
return FileNameMatcher.EMPTY_HEAD_LIST;
}
boolean isStar() {
return star;
}
}
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