Java XML Node Serialize serializeNode(Node node, String indentLevel, StringWriter writer)

Description

serialize Node

License

Open Source License

Declaration

private static void serializeNode(Node node, String indentLevel, StringWriter writer) throws IOException 

Method Source Code

//package com.java2s;
/**************************************************************************************
 * Copyright (C) 2008 EsperTech, Inc. All rights reserved.                            *
 * http://esper.codehaus.org                                                          *
 * http://www.espertech.com                                                           *
 * ---------------------------------------------------------------------------------- *
 * The software in this package is published under the terms of the GPL license       *
 * a copy of which has been included with this distribution in the license.txt file.  *
 **************************************************************************************/

import org.w3c.dom.*;

import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;

public class Main {
    private static void serializeNode(Node node, String indentLevel, StringWriter writer) throws IOException {
        switch (node.getNodeType()) {
        case Node.DOCUMENT_NODE:
            Document doc = (Document) node;
            writer.write("<?xml version=\"");
            writer.write(doc.getXmlVersion());
            writer.write("\" encoding=\"UTF-8\" standalone=\"");
            if (doc.getXmlStandalone()) {
                writer.write("yes");
            } else {
                writer.write("no");
            }//  www . j  av  a  2  s . c om
            writer.write("\"?>\n");

            NodeList nodes = node.getChildNodes();
            if (nodes != null) {
                for (int i = 0; i < nodes.getLength(); i++) {
                    serializeNode(nodes.item(i), "", writer);
                }
            }
            break;
        case Node.ELEMENT_NODE:
            String name = node.getNodeName();
            writer.write(indentLevel + "<" + name);
            NamedNodeMap attributes = node.getAttributes();
            for (int i = 0; i < attributes.getLength(); i++) {
                Node current = attributes.item(i);
                writer.write(" " + current.getNodeName() + "=\"");
                print(current.getNodeValue(), writer);
                writer.write("\"");
            }
            writer.write(">");

            NodeList children = node.getChildNodes();
            if (children != null) {
                if ((children.item(0) != null) && (children.item(0).getNodeType() == Node.ELEMENT_NODE)) {
                    writer.write("\n");
                }

                for (int i = 0; i < children.getLength(); i++) {
                    serializeNode(children.item(i), indentLevel, writer);
                }

                if ((children.item(0) != null)
                        && (children.item(children.getLength() - 1).getNodeType() == Node.ELEMENT_NODE)) {
                    writer.write(indentLevel);
                }
            }

            writer.write("</" + name + ">\n");
            break;
        case Node.TEXT_NODE:
            print(node.getNodeValue(), writer);
            break;
        case Node.CDATA_SECTION_NODE:
            writer.write("CDATA");
            print(node.getNodeValue(), writer);
            writer.write("");
            break;
        case Node.COMMENT_NODE:
            writer.write(indentLevel + "<!-- " + node.getNodeValue() + " -->\n");
            break;
        case Node.PROCESSING_INSTRUCTION_NODE:
            writer.write("<?" + node.getNodeName() + " " + node.getNodeValue() + "?>\n");
            break;
        case Node.ENTITY_REFERENCE_NODE:
            writer.write("&" + node.getNodeName() + ";");
            break;
        case Node.DOCUMENT_TYPE_NODE:
            DocumentType docType = (DocumentType) node;
            String publicId = docType.getPublicId();
            String systemId = docType.getSystemId();
            String internalSubset = docType.getInternalSubset();
            writer.write("<!DOCTYPE " + docType.getName());
            if (publicId != null) {
                writer.write(" PUBLIC \"" + publicId + "\" ");
            } else {
                writer.write(" SYSTEM ");
            }
            writer.write("\"" + systemId + "\"");
            if (internalSubset != null) {
                writer.write(" [" + internalSubset + "]");
            }
            writer.write(">\n");
            break;
        default:
            break;
        }
    }

    private static void print(String s, Writer writer) throws IOException {
        if (s == null) {
            return;
        }
        for (int i = 0, len = s.length(); i < len; i++) {
            char c = s.charAt(i);
            switch (c) {
            case '<':
                writer.write("&lt;");
                break;
            case '>':
                writer.write("&gt;");
                break;
            case '&':
                writer.write("&amp;");
                break;
            case '\r':
                writer.write("&#xD;");
                break;
            default:
                writer.write(c);
            }
        }
    }
}

Related

1. serializeNode(Node node)
2. serializeNode(Node node)
3. serializeNode(Node node)
4. serializeNode(Node node)
5. serializeNode(Node node, String filename)
6. serializeNode(Node xmlNode)
7. serializeNoNS(Node node)
8. serializeRDFToHTML(String xmlRDF)
9. serializeSource(Source source)