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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  }