001 /**
002 *
003 * Copyright 2004 Protique Ltd
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 *
017 **/
018
019 package org.activemq.filter;
020
021 import org.activemq.selector.SelectorParser;
022
023 import javax.jms.Destination;
024 import javax.jms.JMSException;
025
026 /**
027 * A default implementation
028 *
029 * @version $Revision: 1.1.1.1 $
030 */
031 public class FilterFactoryImpl implements FilterFactory {
032
033 public Filter createFilter(Destination destination, String selector) throws JMSException {
034 Filter destinationFilter = DestinationFilter.parseFilter(destination);
035 if (selector != null && selector.trim().length() > 0) {
036 Filter selectorFilter = new SelectorParser().parse(selector);
037 if (selectorFilter != null) {
038 return new AndFilter(destinationFilter, selectorFilter);
039 }
040 }
041 return destinationFilter;
042 }
043
044 }