Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 node, then prints all of its children. */

    public static void printDOM(Node node) {

        int type = node.getNodeType();

        switch (type) {

        // print the document element
        case Node.DOCUMENT_NODE: {
            System.out.print("<?xml version=\"1.0\" ?>");
            printDOM(((Document) node).getDocumentElement());
            break;
        }

        // print element with attributes
        case Node.ELEMENT_NODE: {
            System.out.println();
            System.out.print("<");
            System.out.print(node.getNodeName());
            NamedNodeMap attrs = node.getAttributes();
            for (int i = 0; i < attrs.getLength(); i++) {
                Node attr = attrs.item(i);
                System.out.print(" " + attr.getNodeName().trim() + "=\"" + attr.getNodeValue().trim() + "\"");
            }
            System.out.print(">");
            NodeList children = node.getChildNodes();

            if (children != null) {
                int len = children.getLength();
                for (int i = 0; i < len; i++)
                    printDOM(children.item(i));
            }
            break;
        }

        // handle entity reference nodes

        case Node.ENTITY_REFERENCE_NODE: {
            System.out.print("&");
            System.out.print(node.getNodeName().trim());
            System.out.print(";");
            break;
        }

        // print cdata sections
        case Node.CDATA_SECTION_NODE: {
            System.out.print("<![CDATA[");
            System.out.print(node.getNodeValue().trim());
            System.out.print("]]>");
            break;
        }

        // print text
        case Node.TEXT_NODE: {
            System.out.println();
            System.out.print(node.getNodeValue().trim());
            break;
        }

        // print processing instruction

        case Node.PROCESSING_INSTRUCTION_NODE: {
            System.out.print("<?");
            System.out.print(node.getNodeName().trim());
            String data = node.getNodeValue().trim();
            {
                System.out.print(" ");
                System.out.print(data);
            }
            System.out.print("?>");
            break;
        }
        }

        if (type == Node.ELEMENT_NODE) {
            System.out.println();
            System.out.print("</");
            System.out.print(node.getNodeName().trim());
            System.out.print('>');
        }
    }
}