WildcardDestinationFilter 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 contain wildcards like "A.B.*.*"
    26   *
    27   * @version $Revision: 1.2 $
    28   */
    29  public class WildcardDestinationFilter extends DestinationFilter {
    30
    31      private String[] prefixes;
    32
    33      /***
    34       * An array of paths containing * characters
    35       *
    36       * @param prefixes
    37       */
    38      public WildcardDestinationFilter(String[] prefixes) {
    39          this.prefixes = new String[prefixes.length];
    40          for (int i = 0; i < prefixes.length; i++) {
    41              String prefix = prefixes[i];
    42              if (!prefix.equals("*")) {
    43                  this.prefixes[i] = prefix;
    44              }
    45          }
    46      }
    47
    48      public boolean matches(Destination destination) {
    49          String[] path = DestinationPath.getDestinationPaths(destination);
    50          int length = prefixes.length;
    51          if (path.length == length) {
    52              for (int i = 0, size = length; i < size; i++) {
    53                  String prefix = prefixes[i];
    54                  if (prefix != null && !prefix.equals(path[i])) {
    55                      return false;
    56                  }
    57              }
    58              return true;
    59          }
    60          return false;
    61      }
    62
    63
    64      public String getText() {
    65          return DestinationPath.toString(prefixes);
    66      }
    67
    68      public String toString() {
    69          return super.toString() + "[destination: " + getText() + "]";
    70      }
    71
    72      public boolean isWildcard() {
    73          return true;
    74      }
    75  }