Main.java Source code

Java tutorial

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2000-2002 INSciTE.  All rights reserved
 * INSciTE is on the web at: http://www.hightechkids.org
 * This code is released under GPL; see LICENSE.txt for details.
 */

import org.w3c.dom.Element;

public class Main {
    /**
     * Get a double value from an attribute.
     * 
     * @param element the element to get the attribute from, may be null
     * @param attributeName the attribute name to get
     * @return the value, null if element is null or the attribute value is null
     *         or empty
     */
    public static Double getDoubleAttributeValue(final Element element, final String attributeName) {
        if (null == element) {
            return null;
        }
        final String str = element.getAttribute(attributeName);
        if (str.isEmpty()) {
            return null;
        } else {
            return Double.valueOf(str);
        }
    }
}