Source code: org/activemq/filter/XQueryExpression.java
1 /**
2 * Copyright 2005 Hiram Chirino
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *
16 **/
17 package org.activemq.filter;
18
19 import javax.jms.JMSException;
20 import javax.jms.Message;
21
22 /**
23 * Used to evaluate an XQuery Expression in a JMS selector.
24 */
25 public final class XQueryExpression implements BooleanExpression {
26 private final String xpath;
27
28 XQueryExpression(String xpath) {
29 super();
30 this.xpath = xpath;
31 }
32
33 public Object evaluate(Message message) throws JMSException {
34 return Boolean.FALSE;
35 }
36
37 public String toString() {
38 return "XQUERY "+ConstantExpression.encodeString(xpath);
39 }
40 }