Saves a DOM to a human-readable XML file (4-space indentation, UTF-8). - Android XML

Android examples for XML:DOM

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Description

Saves a DOM to a human-readable XML file (4-space indentation, UTF-8).

Demo Code

/**//  www  . j  a v  a2  s.c om
 * Copyright 2011-2016 Three Crickets LLC.
 * <p>
 * The contents of this file are subject to the terms of the LGPL version 3.0:
 * http://www.gnu.org/copyleft/lesser.html
 * <p>
 * Alternatively, you can obtain a royalty free commercial license with less
 * limitations, transferable or non-transferable, directly from Three Crickets
 * at http://threecrickets.com/
 */
//package com.java2s;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
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.Document;

public class Main {
    /**
     * Saves a DOM to a human-readable XML file (4-space indentation, UTF-8).
     * <p>
     * Contains workaround for various JVM bugs.
     * 
     * @param document
     *        The DOM
     * @param file
     *        The target XML file
     * @throws TransformerFactoryConfigurationError
     *         In case of an XML transformation factory configuration error
     * @throws TransformerException
     *         In case of an XML transformation error
     * @throws IOException
     *         In case of an I/O error
     */
    public static void saveHumanReadable(Document document, File file)
            throws TransformerFactoryConfigurationError,
            TransformerException, IOException {
        // Various indentation and UTF8 encoding bugs are worked around here
        TransformerFactory factory = TransformerFactory.newInstance();
        factory.setAttribute("indent-number", new Integer(4));
        Transformer transformer = factory.newTransformer();
        transformer.setOutputProperty(OutputKeys.ENCODING, "utf-8");
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty(
                "{http://xml.apache.org/xslt}indent-amount", "4");
        OutputStreamWriter writer = new OutputStreamWriter(
                new FileOutputStream(file), "UTF8");
        transformer.transform(new DOMSource(document), new StreamResult(
                writer));
        writer.close();
    }
}

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