Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * $RCSfile: XMLUtil.java,v $ $Revision: 1.5 $ $Date: 2007/11/27 02:27:42 $
 * $AIST_Release: 5.0.0 $
 * $AIST_Copyright:
 *  Copyright 2003, 2004, 2005, 2006 Grid Technology Research Center,
 *  National Institute of Advanced Industrial Science and Technology
 *  Copyright 2003, 2004, 2005, 2006 National Institute of Informatics
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  $
 */

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

public class Main {
    /**
     * Prints the specified document.
     * 
     * @param d the specified document.
     */
    private static void printDocument(Document d) {
        printNode(d.getDocumentElement(), 0);
    }

    /**
     * Prints information of the specified node.
     * 
     * @param node the specified node.
     * @param level a number of indent.
     */
    public static void printNode(Node node, int level) {
        if (node == null)
            return;
        switch (node.getNodeType()) {
        case Node.ATTRIBUTE_NODE:
            printAttribute(node, level);
            break;
        case Node.TEXT_NODE:
            printTextNode(node, level);
            break;
        default:
            printElement(node, level);
        }
    }

    /**
     * Prints attribute variables of the specified node.
     * 
     * @param node the specified node.
     * @param level a number of indent.
     */
    private static void printAttribute(Node node, int level) {
        for (int i = 0; i < level; i++) {
            System.out.print("  ");
        }
        System.out.println("<" + node.getNodeName() + " = " + node.getNodeValue() + ">");
    }

    /**
     * Prints variables of TEXT nodes.
     * 
     * @param node a parent node.
     * @param level a number of indent.
     */
    private static void printTextNode(Node node, int level) {
        String tmp = node.getNodeValue();
        tmp = tmp.trim();
        if (tmp.length() == 0) {
            return;
        }
        for (int i = 0; i < level; i++) {
            System.out.print("  ");
        }
        System.out.println("[" + tmp + "]");
    }

    /**
     * Prints elements of the specified node.
     * 
     * @param node the specified node.
     * @param level a number of indent.
     */
    private static void printElement(Node node, int level) {
        for (int i = 0; i < level; i++) {
            System.out.print("  ");
        }
        System.out.print("{" + node.getNamespaceURI() + "}");
        System.out.println(node.getNodeName());
        NamedNodeMap attrs = node.getAttributes();
        if (attrs != null) {
            for (int i = 0; i < attrs.getLength(); i++) {
                printNode(attrs.item(i), level + 1);
            }
        }

        NodeList children = node.getChildNodes();
        int n = children.getLength();
        for (int i = 0; i < n; i++) {
            Node child = children.item(i);
            printNode(child, level + 1);
        }
    }

    /**
     * Gets variable of the specified node.
     * 
     * @param node the specified node.
     * @return variable of the specified node.
     */
    public static String getNodeValue(Node node) {
        return node.getNodeValue();
    }
}