org.eclipse.jgit/src/org/eclipse/jgit/ignore/internal/WildCardMatcher.java

/*
 * Copyright (C) 2014, Andrey Loskutov <loskutov@gmx.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,
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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package org.eclipse.jgit.ignore.internal;

import static org.eclipse.jgit.ignore.internal.Strings.convertGlob;

import java.util.regex.Pattern;

import org.eclipse.jgit.errors.InvalidPatternException;

/**
 * Matcher built from path segments containing wildcards. This matcher converts
 * glob wildcards to Java {@link Pattern}'s.
 * <p>
 * This class is immutable and thread safe.
 */
public class WildCardMatcher extends NameMatcher {

	final Pattern p;

	WildCardMatcher(String pattern, Character pathSeparator, boolean dirOnly)
			throws InvalidPatternException {
		super(pattern, pathSeparator, dirOnly, false);
		p = convertGlob(subPattern);
	}

	@Override
	public boolean matches(String segment, int startIncl, int endExcl,
			boolean assumeDirectory) {
		return p.matcher(segment.substring(startIncl, endExcl)).matches();
	}
}