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1   /*** 
2    * 
3    * Copyright 2004 Protique Ltd
4    * 
5    * Licensed under the Apache License, Version 2.0 (the "License"); 
6    * you may not use this file except in compliance with the License. 
7    * You may obtain a copy of the License at 
8    * 
9    * http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS, 
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
14   * See the License for the specific language governing permissions and 
15   * limitations under the License. 
16   * 
17   **/
18  
19  package org.codehaus.activemq.filter;
20  
21  import org.codehaus.activemq.selector.SelectorParser;
22  
23  import javax.jms.Destination;
24  import javax.jms.JMSException;
25  
26  /***
27   * A default implementation
28   * 
29   * @version $Revision: 1.1 $
30   */
31  public class FilterFactoryImpl implements FilterFactory {
32  
33      public Filter createFilter(Destination destination, String selector) throws JMSException {
34          Filter destinationFilter = DestinationFilter.parseFilter(destination);
35          if (selector != null && selector.trim().length() > 0) {
36              Filter selectorFilter = new SelectorParser().parse(selector);
37              if (selectorFilter != null) {
38                  return new AndFilter(destinationFilter, selectorFilter);
39              }
40          }
41          return destinationFilter;
42      }
43  
44  }