Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 *      Copyright (C) 2008 10gen Inc.
 *  
 *    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.*;

public class Main {
    public static String toString(Node n) {
        StringBuilder buf = new StringBuilder();
        append(n, buf, 0);
        return buf.toString();
    }

    public static StringBuilder append(Node n, StringBuilder buf, int level) {
        if (n instanceof CharacterData)
            return _level(buf, level).append(n.getNodeValue()).append("\n");

        _level(buf, level).append("<").append(n.getNodeName());
        NamedNodeMap attr = n.getAttributes();
        if (attr != null) {
            for (int i = 0; i < attr.getLength(); i++) {
                Node a = attr.item(i);
                buf.append(" ").append(a.getNodeName()).append("=\"").append(a.getNodeValue()).append("\" ");
            }
        }

        NodeList children = n.getChildNodes();
        if (children == null || children.getLength() == 0)
            return buf.append("/>\n");
        buf.append(">\n");

        for (int i = 0; i < children.getLength(); i++) {
            Node c = children.item(i);
            append(c, buf, level + 1);
        }

        return _level(buf, level).append("</").append(n.getNodeName()).append(">\n");
    }

    static StringBuilder _level(StringBuilder buf, int level) {
        for (int i = 0; i < level; i++)
            buf.append(" ");
        return buf;
    }
}