QueryTranslator.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * The contents of this file are subject to the terms of the Liferay Enterprise 5 * Subscription License ("License"). You may not use this file except in 6 * compliance with the License. You can obtain a copy of the License by 7 * contacting Liferay, Inc. See the License for the specific language governing 8 * permissions and limitations under the License, including but not limited to 9 * distribution rights of the Software. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 12 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 13 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 14 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 15 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 17 * SOFTWARE. 18 */ 19 20 package com.liferay.portal.search.lucene; 21 22 import com.liferay.portal.kernel.search.Query; 23 import com.liferay.portal.kernel.search.StringQueryImpl; 24 import com.liferay.portal.kernel.util.StringPool; 25 26 import org.apache.lucene.queryParser.ParseException; 27 import org.apache.lucene.queryParser.QueryParser; 28 29 /** 30 * <a href="QueryTranslator.java.html"><b><i>View Source</i></b></a> 31 * 32 * @author Brian Wing Shun Chan 33 * 34 */ 35 public class QueryTranslator { 36 37 public static org.apache.lucene.search.Query translate(Query query) 38 throws ParseException { 39 40 if (query instanceof BooleanQueryImpl) { 41 return ((BooleanQueryImpl)query).getBooleanQuery(); 42 } 43 else if (query instanceof LuceneQueryImpl) { 44 return ((LuceneQueryImpl)query).getQuery(); 45 } 46 else if (query instanceof StringQueryImpl) { 47 QueryParser parser = new QueryParser( 48 StringPool.BLANK, LuceneUtil.getAnalyzer()); 49 50 return parser.parse(query.toString()); 51 } 52 else if (query instanceof TermQueryImpl) { 53 return ((TermQueryImpl)query).getTermQuery(); 54 } 55 else { 56 return null; 57 } 58 } 59 60 }