Java XML Transform transformToOutputStream(Node node, OutputStream os, boolean omitXmlDeclaration)

Description

transform To Output Stream

License

Apache License

Declaration

public static void transformToOutputStream(Node node, OutputStream os, boolean omitXmlDeclaration)
            throws TransformerFactoryConfigurationError, TransformerConfigurationException, TransformerException,
            IOException 

Method Source Code

//package com.java2s;
/**/*from  w  w w  .  j  a  v  a2 s  .com*/
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 java.io.IOException;

import java.io.OutputStream;
import java.io.UnsupportedEncodingException;

import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
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.Node;

public class Main {
    public static void transformToOutputStream(Node node, OutputStream os, boolean omitXmlDeclaration)
            throws TransformerFactoryConfigurationError, TransformerConfigurationException, TransformerException,
            IOException {

        if (node.getNodeType() == Node.TEXT_NODE) {
            byte[] bytes = tranformTextNodeToByteArray(node);
            os.write(bytes);
        } else {
            transformNonTextNodeToOutputStream(node, os, omitXmlDeclaration);
        }
    }

    public static byte[] tranformTextNodeToByteArray(Node node) {
        String text = node.getTextContent();
        if (text != null) {
            try {
                return text.getBytes("UTF-8");
            } catch (UnsupportedEncodingException e) {
                // should not happen
                throw new IllegalStateException(e);
            }
        } else {
            return null;
        }
    }

    public static void transformNonTextNodeToOutputStream(Node node, OutputStream os, boolean omitXmlDeclaration)
            throws TransformerFactoryConfigurationError, TransformerConfigurationException, TransformerException {

        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer trans = tf.newTransformer();
        if (omitXmlDeclaration) {
            trans.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        }
        trans.transform(new DOMSource(node), new StreamResult(os));
    }
}

Related

1. transformLogViaXSLT(String logFilePath, String xslFilePath)
2. transformNonTextNodeToOutputStream(Node node, OutputStream os, boolean omitXmlDeclaration)
3. transformStringToDoc(String input)
4. transformStringToXMLGregorianCalendar(String dateTime, String pattern)
5. transformToHTML(StreamSource xmlStreamSource)
6. transformToString(Source xmlSource, Source xslSource)
7. transformViaXslt(String xml, String xslFile)
8. transformXml(final StreamSource xslSrc, final StreamSource docSrc, final Map params, final URIResolver resolver)
9. transformXML(Reader xml, Reader xsl)