Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

import javax.xml.namespace.QName;

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

import org.w3c.dom.Node;

public class Main {
    public static final String XPATH_FACTORY = "net.sf.saxon.xpath.XPathFactoryImpl";

    public static Node selectSingleNode(final String xPath, final Node inNode, final String nsuri, final String pre)
            throws Exception {
        return (Node) getNodesListXpath(xPath, inNode, nsuri, pre, XPathConstants.NODE);
    }

    public static Node selectSingleNode(final String xPath, final Node inNode) throws Exception {
        return selectSingleNode(xPath, inNode, "", "");
    }

    /**
     * 
     * @param xPathS
     * @param node
     * @param nsuri
     * @param pre
     * @param returnType
     * @return Return type is one of XPathConstants .BOOLEAN, .NODE, .NODESET,
     *         .NUMBER, .STRING
     * @throws Exception
     */
    public static Object getNodesListXpath(final String xPathS, final Node node, final String nsuri,
            final String pre, final QName returnType) throws Exception {
        Object matches = null;
        System.setProperty("javax.xml.xpath.XPathFactory:" + XPathConstants.DOM_OBJECT_MODEL, XPATH_FACTORY);

        XPathFactory xpathFactory = XPathFactory.newInstance(XPathConstants.DOM_OBJECT_MODEL);
        XPath xpath = xpathFactory.newXPath();
        XPathExpression xpe = xpath.compile(xPathS);
        matches = xpe.evaluate(node, returnType);

        return matches;
    }
}