Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *   Copyright 2002-2012 George Norman
 *
 *   Licensed 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.XPathExpressionException;
import javax.xml.xpath.XPathFactory;

import org.w3c.dom.Node;

public class Main {
    public static Node selectSingleNode(final Node sourceNode, final String xPathExpression) {
        Node result;
        XPathFactory factory = XPathFactory.newInstance(); // http://www.ibm.com/developerworks/library/x-javaxpathapi/index.html
        XPath xPathParser = factory.newXPath();

        try {
            result = (Node) xPathParser.evaluate(xPathExpression, sourceNode, XPathConstants.NODE);
        } catch (XPathExpressionException e) {
            result = null;
        }

        return result;
    }
}