Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *   EuroCarbDB, a framework for carbohydrate bioinformatics
 *
 *   Copyright (c) 2006-2009, Eurocarb project, or third-party contributors as
 *   indicated by the @author tags or express copyright attribution
 *   statements applied by the authors.  
 *
 *   This copyrighted material is made available to anyone wishing to use, modify,
 *   copy, or redistribute it subject to the terms and conditions of the GNU
 *   Lesser General Public License, as published by the Free Software Foundation.
 *   A copy of this license accompanies this distribution in the file LICENSE.txt.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 *   or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 *   for more details.
 *
 *   Last commit: $Rev: 1210 $ by $Author: glycoslave $ on $Date:: 2009-06-12 #$  
 */

import org.w3c.dom.*;

public class Main {
    /**
       Return the value of an attribute of a node as a real number
       or <code>null</code> if the attribute is not present.
     */
    static public Double getDoubleAttribute(Node node, String att_name) {
        if (node == null)
            return null;
        String text = getText(node.getAttributes().getNamedItem(att_name));
        if (text == null)
            return null;
        return Double.valueOf(text);
    }

    /**
       Return the text associated with a node, or <code>null</code> if
       no text section is present.
     */
    static public String getText(Node node) {
        if (node == null)
            return null;

        Node child = findChild(node, "#text");
        if (child == null)
            return null;
        return child.getNodeValue();
    }

    /**
       Return the first children of a node with a given name.
       @return <code>null</code> if no child is found
     */
    static public Node findChild(Node node, String child_name) {
        if (node == null)
            return null;

        NodeList children = node.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child.getNodeName().equals(child_name))
                return child;
        }
        return null;
    }
}