To output a DOM as a stream from XML Node - Java XML

Java examples for XML:DOM Node

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Description

To output a DOM as a stream from XML Node

Demo Code

/**/*w w w  .ja  v a 2 s .  c o  m*/
 *  Copyright 2005-2015 Red Hat, Inc.
 *
 *  Red Hat 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.
 */
//package com.java2s;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;

import javax.xml.transform.OutputKeys;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Node;

public class Main {
    /**
     * To output a DOM as a stream.
     */
    public static InputStream documentToPrettyInputStream(Node document)
            throws Exception {
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

        Source xmlSource = new DOMSource(document);
        Result outputTarget = new StreamResult(outputStream);
        Transformer transformer = TransformerFactory.newInstance()
                .newTransformer();
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        transformer.transform(xmlSource, outputTarget);

        InputStream is = new ByteArrayInputStream(
                outputStream.toByteArray());
        return is;
    }
}

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