PrefixDestinationFilter xref

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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 javax.jms.Destination;
    22
    23
    24  /***
    25   * Matches messages which match a prefix like "A.B.>"
    26   *
    27   * @version $Revision: 1.2 $
    28   */
    29  public class PrefixDestinationFilter extends DestinationFilter {
    30
    31      private String[] prefixes;
    32
    33      /***
    34       * An array of paths, the last path is '>'
    35       *
    36       * @param prefixes
    37       */
    38      public PrefixDestinationFilter(String[] prefixes) {
    39          this.prefixes = prefixes;
    40      }
    41
    42      public boolean matches(Destination destination) {
    43          String[] path = DestinationPath.getDestinationPaths(destination);
    44          int length = prefixes.length;
    45          if (path.length >= length) {
    46              for (int i = 0, size = length - 1; i < size; i++) {
    47                  if (!prefixes[i].equals(path[i])) {
    48                      return false;
    49                  }
    50              }
    51              return true;
    52          }
    53          return false;
    54      }
    55
    56      public String getText() {
    57          return DestinationPath.toString(prefixes);
    58      }
    59
    60      public String toString() {
    61          return super.toString() + "[destination: " + getText() + "]";
    62      }
    63
    64      public boolean isWildcard() {
    65          return true;
    66      }
    67  }