001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.util;
016    
017    /**
018     * @author Sampsa Sohlman
019     */
020    public class PrefixPredicateFilter implements PredicateFilter<String> {
021    
022            public PrefixPredicateFilter(String prefix) {
023                    this(prefix, false);
024            }
025    
026            public PrefixPredicateFilter(String prefix, boolean include) {
027                    _prefix = prefix;
028                    _include = include;
029            }
030    
031            @Override
032            public boolean filter(String string) {
033                    if (_include) {
034                            return string.startsWith(_prefix);
035                    }
036                    else {
037                            return !string.startsWith(_prefix);
038                    }
039            }
040    
041            private boolean _include;
042            private String _prefix;
043    
044    }