Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import org.w3c.dom.Element;

import org.w3c.dom.NodeList;

public class Main {
    static Integer getIntValue(Element ele, String tagName) {
        String value = getTextValue(ele, tagName);

        if (isInteger(value))
            return Integer.valueOf(value);
        else
            return null;
    }

    public static String getTextValue(Element ele, String tagName) {
        String textVal = null;
        Element el = getChildElement(ele, tagName);

        if (el != null)
            textVal = el.getFirstChild().getNodeValue();

        return textVal;
    }

    /**
     * Calls getTextValue and returns a int value
     */

    public static boolean isInteger(String string) {
        try {
            Integer.valueOf(string);
            return true;
        } catch (NumberFormatException e) {
            return false;
        }
    }

    public static Element getChildElement(Element parent, String childTagName) {

        Element el = null;

        NodeList nl = parent.getElementsByTagName(childTagName);

        if (nl != null && nl.getLength() > 0) {
            el = (Element) nl.item(0);
        }

        return el;

    }
}