JAXPStringXPathExpression


1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  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  package org.apache.servicemix.expression;
18  
19  import javax.xml.xpath.XPathConstants  ;
20  import javax.xml.xpath.XPathExpressionException  ;
21  
22  /**
23   * Evaluates an XPath expression and coerces the result into a String.
24   *
25   * @version $Revision: 426415 $
26   */
27  public class JAXPStringXPathExpression extends JAXPXPathExpression {
28  
29      public JAXPStringXPathExpression() {
30      }
31  
32      public JAXPStringXPathExpression(String   xpath) throws Exception   {
33          super(xpath);
34      }
35  
36      protected Object   evaluateXPath(Object   object) throws XPathExpressionException   {
37          return getXPathExpression().evaluate(object, XPathConstants.STRING);
38      }
39  }
40

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