Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2005 Sun Microsystems Inc. All Rights Reserved
 *
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the License). You may not use this file except in
 * compliance with the License.
 *
 * You can obtain a copy of the License at
 * https://opensso.dev.java.net/public/CDDLv1.0.html or
 * opensso/legal/CDDLv1.0.txt
 * See the License for the specific language governing
 * permission and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * Header Notice in each file and include the License file
 * at opensso/legal/CDDLv1.0.txt.
 * If applicable, add the following below the CDDL Header,
 * with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 *
 * $Id: XMLUtils.java,v 1.5 2008-06-25 05:41:28 qcheng Exp $
 *
 */

import java.util.HashSet;

import java.util.Set;

import org.w3c.dom.Element;

import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Gets the value of an element. This method returns a concatenated String
     * from all its TEXT children.
     * 
     * @param element
     *            a DOM tree element.
     * @return A String that contained in its TEXT children; or null if an error
     *         occurred or the input contain non Node.TEXT_NODE node.
     */
    public static String getElementString(Element element) {
        if (element == null) {
            return null;
        }
        StringBuffer sb = new StringBuffer(1000);
        NodeList nl = element.getChildNodes();
        Node child = null;
        for (int i = 0, length = nl.getLength(); i < length; i++) {
            child = nl.item(i);
            if (child.getNodeType() == Node.TEXT_NODE) {
                sb.append(child.getNodeValue());
            } else {
                return null;
            }
        }

        return sb.toString().trim();
    }

    public static Set getChildNodes(Node parentNode, String childName) {
        Set retVal = new HashSet();
        NodeList children = parentNode.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node node = children.item(i);
            if (node.getNodeName().equalsIgnoreCase(childName)) {
                retVal.add(node);
            }
        }
        return (retVal);
    }
}