content: /**
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.apache.activemq.filter;
  
  import java.io.IOException;
  
  import jakarta.jms.JMSException;
  import org.apache.activemq.command.ActiveMQDestination;
  import org.apache.activemq.util.JMSExceptionSupport;
  
  /**
   * Represents a filter which only operates on Destinations
   */
  public abstract class DestinationFilter implements BooleanExpression {
  
      public static final String ANY_DESCENDENT = ">";
      public static final String ANY_CHILD = "*";
  
      public Object evaluate(MessageEvaluationContext message) throws JMSException {
          return matches(message) ? Boolean.TRUE : Boolean.FALSE;
      }
  
      public boolean matches(MessageEvaluationContext message) throws JMSException {
          try {
              if (message.isDropped()) {
                  return false;
              }
              return matches(message.getMessage().getDestination());
          } catch (IOException e) {
              throw JMSExceptionSupport.create(e);
          }
      }
  
      public abstract boolean matches(ActiveMQDestination destination);
  
      public static DestinationFilter parseFilter(ActiveMQDestination destination) {
          if (destination.isComposite()) {
              return new CompositeDestinationFilter(destination);
          }
          String[] paths = DestinationPath.getDestinationPaths(destination);
          int idx = paths.length - 1;
          if (idx >= 0) {
              String lastPath = paths[idx];
              if (lastPath.equals(ANY_DESCENDENT)) {
                  return new PrefixDestinationFilter(paths, destination.getDestinationType());
              } else {
                  while (idx >= 0) {
                      lastPath = paths[idx--];
                      if (lastPath.equals(ANY_CHILD)) {
                          return new WildcardDestinationFilter(paths, destination.getDestinationType());
                      }
                  }
              }
          }
  
          // if none of the paths contain a wildcard then use equality
          return new SimpleDestinationFilter(destination);
      }
  
      public abstract boolean isWildcard();
  }
  