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 jakarta.jms.JMSException;
  
  /**
   * Used to evaluate an XQuery Expression in a JMS selector.
   */
  public final class XQueryExpression implements BooleanExpression {
      private final String xpath;
  
      XQueryExpression(String xpath) {
          super();
          this.xpath = xpath;
      }
  
      public Object evaluate(MessageEvaluationContext message) throws JMSException {
          return Boolean.FALSE;
      }
  
      public String toString() {
          return "XQUERY " + ConstantExpression.encodeString(xpath);
      }
  
      /**
       * @param message
       * @return true if the expression evaluates to Boolean.TRUE.
       * @throws JMSException
       */
      public boolean matches(MessageEvaluationContext message) throws JMSException {
          Object object = evaluate(message);
          return object != null && object == Boolean.TRUE;
      }
  
  }
  