Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import org.w3c.dom.*;

public class Main {
    public static Document doc = null;

    private static Node getSingleNodeElementByTagName(String tagName) throws Exception {
        NodeList list = getNodeList(tagName);
        Node node = null;
        if (list.getLength() > 0 && list.item(0).getNodeType() == Node.ELEMENT_NODE) {
            node = list.item(0);
        } else {
            throw new Exception("Xpath Query did not result in a Node element. Check your Xpath expression");
        }
        return node;
    }

    private static Node getSingleNodeElementByTagName(String tagName, int indexZeroBased) throws Exception {
        NodeList list = getNodeList(tagName);
        Node node = null;

        if (list.getLength() > 0 && list.item(indexZeroBased).getNodeType() == Node.ELEMENT_NODE) {
            node = list.item(indexZeroBased);
        } else {
            throw new Exception("Xpath Query did not result in any Node elements. Check your Xpath expression");
        }

        return node;
    }

    private static NodeList getNodeList(String tagName) throws Exception {
        NodeList nodeList = doc.getElementsByTagName(tagName);
        return nodeList;
    }
}