Java XML Node to String toString(Node node, int level, boolean indent)

Description

to String

License

Open Source License

Declaration

private static String toString(Node node, int level, boolean indent) 

Method Source Code

//package com.java2s;
/*/*w  w  w .java 2  s  .c o  m*/
 * Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 David Berkman
 * 
 * This file is part of the SmallMind Code Project.
 * 
 * The SmallMind Code Project is free software, you can redistribute
 * it and/or modify it under the terms of GNU Affero General Public
 * License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 * 
 * The SmallMind Code Project 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
 * General Public License for more details.
 * 
 * You should have received a copy of the the GNU Affero General Public
 * License, along with the SmallMind Code Project. If not, see
 * <http://www.gnu.org/licenses/>.
 * 
 * Additional permission under the GNU Affero GPL version 3 section 7
 * ------------------------------------------------------------------
 * If you modify this Program, or any covered work, by linking or
 * combining it with other code, such other code is not for that reason
 * alone subject to any of the requirements of the GNU Affero GPL
 * version 3.
 */

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

public class Main {
    public static String toString(Node node) {

        return toString(node, false);
    }

    public static String toString(Node node, boolean indent) {

        return toString(node, 0, indent);
    }

    private static String toString(Node node, int level, boolean indent) {

        StringBuilder nodeBuilder = new StringBuilder();

        switch (node.getNodeType()) {
        case Node.TEXT_NODE:
            if (indent) {
                nodeBuilder.append(setIndent(level));
            }
            nodeBuilder.append(node.getNodeValue());
            if (indent) {
                nodeBuilder.append("\n");
            }
            break;
        case Node.ELEMENT_NODE:

            NamedNodeMap attributeMap;
            NodeList childList;

            if (indent) {
                nodeBuilder.append(setIndent(level));
            }
            nodeBuilder.append("<");
            nodeBuilder.append(((Element) node).getTagName());

            attributeMap = node.getAttributes();
            for (int loop = 0; loop < attributeMap.getLength(); loop++) {
                nodeBuilder.append(" ");
                nodeBuilder.append(attributeMap.item(loop).getNodeName());
                nodeBuilder.append("=\"");
                nodeBuilder.append(attributeMap.item(loop).getNodeValue());
                nodeBuilder.append("\"");
            }

            if (node.hasChildNodes()) {
                nodeBuilder.append(">");
                if (indent) {
                    nodeBuilder.append("\n");
                }

                childList = node.getChildNodes();
                for (int loop = 0; loop < childList.getLength(); loop++) {
                    nodeBuilder.append(toString(childList.item(loop), level + 1, indent));
                }

                if (indent) {
                    nodeBuilder.append(setIndent(level));
                }
                nodeBuilder.append("</");
                nodeBuilder.append(((Element) node).getTagName());
                nodeBuilder.append(">");
                if (indent) {
                    nodeBuilder.append("\n");
                }
            } else {
                nodeBuilder.append("/>");
                if (indent) {
                    nodeBuilder.append("\n");
                }
            }
            break;
        default:
            nodeBuilder.append("<Unkown Node Type (");
            nodeBuilder.append(node.getNodeType());
            nodeBuilder.append(")/>");
            if (indent) {
                nodeBuilder.append("\n");
            }
        }

        return nodeBuilder.toString();
    }

    private static String setIndent(int level) {

        StringBuilder spaceBuilder = new StringBuilder();

        for (int count = 0; count < level; count++) {
            spaceBuilder.append("   ");
        }

        return spaceBuilder.toString();
    }
}

Related

1. toString(Node node)
2. toString(Node node)
3. toString(Node node)
4. toString(Node node)
5. toString(Node node, boolean formatted)
6. toString(Node node, Map outputProperties)
7. toString(Node node, Map outputProperties)
8. toString(Node node, StringBuilder sb)
9. toString(Node xml)