Java XPath Evaluate evaluateXPath(Element element, String xpathstring)

Description

Purpose: Evaluates an XPath and returns the Node list associated witht the XPath

License

Apache License

Parameter

Parameter	Description
element	a parameter
xpathstring	a parameter

Exception

Parameter	Description
XPathExpressionException	an exception

Declaration

public static NodeList evaluateXPath(Element element, String xpathstring) throws XPathExpressionException 

Method Source Code

//package com.java2s;
/**/*from   w w w  .  java  2  s .  c  o  m*/
 * 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.
 */

import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;

import org.w3c.dom.Element;

import org.w3c.dom.NodeList;

public class Main {
    /**
     * 
     * <B>Purpose:</B> Evaluates an XPath and returns the Node list associated
     * witht the XPath
     * 
     * @param element
     * @param xpathstring
     * @return
     * @throws XPathExpressionException
     */
    public static NodeList evaluateXPath(Element element, String xpathstring) throws XPathExpressionException {
        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        XPathExpression expr = xpath.compile(xpathstring);
        NodeList result = (NodeList) expr.evaluate(element, XPathConstants.NODESET);

        return result;
    }
}

Related

1. evaluateNodeListTextXPath(final Document document, final String expression)
2. evaluateNodeListXPath(final Document document, final String expression)
3. evaluateNodes(final XPathExpression xpathExpression, final Document pom)
4. evaluateNodeSet(XPathExpression xpe, Object item)
5. evaluateXpath(Document doc, String xpath, QName returnType)
6. evaluateXpath(Element from, String xpath)
7. evaluateXPath(final String xPath, final Object item, final QName returnType)
8. evaluateXPath(final XPathExpression expr, final Object rootNode, final QName returnType)
9. evaluateXPath(Node node, String xPath)