Java XML Node Save writeToString(Node node)

Description

Returns a string representation of the given node.

License

Open Source License

Parameter

Parameter	Description
node	a DOM node

Declaration

public static String writeToString(Node node) 

Method Source Code

//package com.java2s;

import java.io.ByteArrayOutputStream;

import java.io.OutputStream;

import org.w3c.dom.DOMImplementation;

import org.w3c.dom.Node;
import org.w3c.dom.bootstrap.DOMImplementationRegistry;
import org.w3c.dom.ls.DOMImplementationLS;

import org.w3c.dom.ls.LSOutput;

import org.w3c.dom.ls.LSSerializer;

public class Main {
    private static DOMImplementation impl;
    private static DOMImplementationRegistry registry;

    /**/*w  ww  .j a  v  a 2  s  .c o m*/
     * Returns a string representation of the given node. Like {@link #parseDocument(String)}, we
     * use an intermediary byte array output stream so we can specify the encoding.
     * 
     * @param node
     *            a DOM node
     */
    public static String writeToString(Node node) {
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        writeDocument(os, node);
        return os.toString();
    }

    /**
     * Writes the given node to the given output stream.
     * 
     * @param os
     *            an output stream
     * @param node
     *            a DOM node
     */
    public static void writeDocument(OutputStream os, Node node) {
        getImplementation();
        DOMImplementationLS implLS = (DOMImplementationLS) impl;

        // serialize to XML
        LSOutput output = implLS.createLSOutput();
        output.setByteStream(os);

        // serialize the document, close the stream
        LSSerializer serializer = implLS.createLSSerializer();
        serializer.getDomConfig().setParameter("format-pretty-print", true);
        serializer.write(node, output);
    }

    /**
     * Creates a new instance of the DOM registry and get an implementation of DOM 3 with Load Save
     * objects.
     */
    private static void getImplementation() {
        try {
            if (registry == null) {
                registry = DOMImplementationRegistry.newInstance();
            }

            if (impl == null) {
                impl = registry.getDOMImplementation("Core 3.0 XML 3.0 LS");
                if (impl == null) {
                    throw new RuntimeException("no DOM 3 implementation found");
                }
            }
        } catch (ClassNotFoundException e) {
            throw new RuntimeException("DOM error", e);
        } catch (InstantiationException e) {
            throw new RuntimeException("DOM error", e);
        } catch (IllegalAccessException e) {
            throw new RuntimeException("DOM error", e);
        }
    }
}

Related

1. writeNode(Node node, OutputStream os, boolean formatted)
2. writeNode(Node node, OutputStream output, Map serializerParams)
3. writeNode(PrintWriter w, Node node, int depth)
4. writeToStream(OutputStream os, Node node)
5. writeToString(Node node)
6. writeXml(final Node node)
7. writeXMLwalkTree(Node node, int indent, PrintWriter out)
8. writeXMLwithXALAN(final Writer writer, final Node node, final String xmlEncoding)
9. writeXMLwithXALAN(final Writer writer, final Node node, final String xmlEncoding)