001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portal.search.lucene;
016    
017    import java.io.IOException;
018    
019    import java.util.List;
020    
021    import org.apache.lucene.index.IndexReader;
022    import org.apache.lucene.index.Term;
023    
024    /**
025     * @author Michael C. Han
026     */
027    public class SpellCheckerUtil {
028    
029            public static boolean isValidWord(
030                            String localizedFieldName, String word,
031                            List<IndexReader> indexReaders)
032                    throws IOException {
033    
034                    if (indexReaders.isEmpty()) {
035                            return false;
036                    }
037    
038                    Term term = new Term(localizedFieldName, word);
039    
040                    for (IndexReader indexReader : indexReaders) {
041                            if (indexReader.docFreq(term) > 0) {
042                                    return true;
043                            }
044                    }
045    
046                    return false;
047            }
048    
049    }