Java XML Document to Writer writeDom(Document doc, Writer w)

Description

write Dom

License

Apache License

Declaration

public static void writeDom(Document doc, Writer w) throws Exception 

Method Source Code

//package com.java2s;
/*//from   w  w w. j  ava  2 s .  co m
 * Copyright 2013 Keith D Swenson
 *
 * 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.
 *
 * Contributors Include: Shamim Quader, Sameer Pradhan, Kumar Raja, Jim Farris,
 * Sandia Yang, CY Chen, Rajiv Onat, Neal Wang, Dennis Tam, Shikha Srivastava,
 * Anamika Chaudhari, Ajay Kakkar, Rajeev Rastogi
 */

import java.io.OutputStream;

import java.io.Writer;

import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.TransformerFactoryConfigurationError;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Document;

public class Main {
    private static TransformerFactory transformerFactory = null;
    private static final Long mutex2 = new Long(2);

    public static void writeDom(Document doc, OutputStream out) throws Exception {
        DOMSource docSource = new DOMSource(doc);
        Transformer transformer = getXmlTransformer();
        transformer.transform(docSource, new StreamResult(out));
    }

    public static void writeDom(Document doc, Writer w) throws Exception {
        DOMSource docSource = new DOMSource(doc);
        Transformer transformer = getXmlTransformer();
        transformer.transform(docSource, new StreamResult(w));
    }

    private static Transformer getXmlTransformer() throws Exception {
        /*
         * CDATA_SECTION_ELEMENTS | cdata-section-elements = expanded names.
         * DOCTYPE_PUBLIC | doctype-public = string. DOCTYPE_SYSTEM |
         * doctype-system = string. ENCODING | encoding = string. INDENT |
         * indent = "yes" | "no". MEDIA_TYPE | media-type = string. METHOD |
         * method = "xml" | "html" | "text" | expanded name.
         * OMIT_XML_DECLARATION | omit-xml-declaration = "yes" | "no".
         * STANDALONE | standalone = "yes" | "no". VERSION | version = nmtoken.
         */

        initTransformer();
        Transformer transformer = transformerFactory.newTransformer();
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        try {
            transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
        } catch (IllegalArgumentException e) {
            // If the property is not supported, and is not qualified with a
            // namespace then
            // it throws IllegalArgumentException. we do not have to re-throw
            // this exception.
        }
        return transformer;
    }

    private static final void initTransformer()
            throws TransformerFactoryConfigurationError, TransformerConfigurationException {
        if (transformerFactory == null) {
            synchronized (mutex2) {
                transformerFactory = TransformerFactory.newInstance();
            }
        }
    }
}

Related

1. write(Writer out, Document doc)
2. writeDocument(Document doc, Writer out)
3. writeDocument(Document doc, Writer w)
4. writeDocument(Document document, Writer writer, Integer indent)
5. writeDocument(PrintWriter w, Document d)
6. writeOutDOM(Document doc, Writer writer)
7. writeXML(final Document doc, final Writer writer)