Java XPath Get getElementByXpath(Element sourceRoot, String xpathExpress)

Description

get Element By Xpath

License

Apache License

Declaration

public static Element getElementByXpath(Element sourceRoot, String xpathExpress)
            throws XPathExpressionException 

Method Source Code

//package com.java2s;
//License from project: Apache License 

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

import org.w3c.dom.Element;

import org.w3c.dom.NodeList;

public class Main {
    private static final XPathFactory XPATH_FACTORY = XPathFactory.newInstance();

    public static Element getElementByXpath(Element sourceRoot, String xpathExpress)
            throws XPathExpressionException {
        XPath xPath = XPATH_FACTORY.newXPath();
        NodeList nodes = (NodeList) xPath.evaluate(xpathExpress, sourceRoot, XPathConstants.NODESET);
        if (nodes.getLength() > 0)
            return (Element) nodes.item(0);
        return null;
    }//from  w  w  w. j av  a 2  s . c  o  m
}

Related

1. getCertificateFromKeyInfo(Node keyInfoNode)
2. getCruxPagesXPath()
3. getDefaultXPath()
4. getDefaultXPathFactory()
5. getDigestValue(Node reference)
6. getElementsByXPath(Element parent, String name)
7. getElementXPath(Node elt)
8. getExcelPath()
9. getFactory()