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.search.lucene;
016    
017    import com.liferay.portal.kernel.search.BooleanClauseOccur;
018    
019    /**
020     * @author Brian Wing Shun Chan
021     */
022    public class BooleanClauseOccurTranslator {
023    
024            public static org.apache.lucene.search.BooleanClause.Occur translate(
025                    BooleanClauseOccur occur) {
026    
027                    if (occur.equals(BooleanClauseOccur.MUST)) {
028                            return org.apache.lucene.search.BooleanClause.Occur.MUST;
029                    }
030                    else if (occur.equals(BooleanClauseOccur.MUST_NOT)) {
031                            return org.apache.lucene.search.BooleanClause.Occur.MUST_NOT;
032                    }
033                    else if (occur.equals(BooleanClauseOccur.SHOULD)) {
034                            return org.apache.lucene.search.BooleanClause.Occur.SHOULD;
035                    }
036                    else {
037                            return null;
038                    }
039            }
040    
041    }