Example usage for javax.xml.transform OutputKeys INDENT

Introduction

In this page you can find the example usage for javax.xml.transform OutputKeys INDENT.

Prototype

String INDENT

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Document

indent = "yes" | "no".

Usage

From source file:Main.java

/** ask transformer to pretty-print the output
 * @param transformer will indent output
 *//* w w w. j a v a 2 s  .  com*/
public static void setIndentFlag(final Transformer transformer) {
    transformer.setOutputProperty(OutputKeys.INDENT, "yes"); // see http://www.w3.org/TR/xslt#output
}

From source file:Main.java

/**
 * Save the XML document to a file./*  w w w  .  ja v  a2 s . c om*/
 * 
 * @param doc
 *            The XML document to save.
 * @param file
 *            The file to save the document to.
 * @param encoding
 *            The encoding to save the file as.
 * 
 * @throws TransformerException
 *             If there is an error while saving the XML.
 */
public static void save(Document doc, String file, String encoding) throws TransformerException {
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    transformer.setOutputProperty(OutputKeys.ENCODING, encoding);
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
    // initialize StreamResult with File object to save to file

    Result result = new StreamResult(new File(file));
    DOMSource source = new DOMSource(doc);
    transformer.transform(source, result);
}

From source file:Main.java

/**
 * Creates and configures Transformer object
 * @return Transformer object or null on failure
 * @throws TransformerConfigurationException If cannot create
 *//*from  w w  w.  j a va2s  .  com*/
public static Transformer createTransformer() throws TransformerConfigurationException {
    if (s_transformerFactory == null) {
        synchronized (TransformerFactory.class) {
            if (s_transformerFactory == null) {
                s_transformerFactory = TransformerFactory.newInstance();
            }
        }
    }
    Transformer transformer = s_transformerFactory.newTransformer();
    transformer.setOutputProperty(OutputKeys.INDENT, "yes"); //$NON-NLS-1$
    return transformer;
}

From source file:Main.java

/**
 * Write DOM to a file/*from  www  . ja  va2s  .c  o  m*/
 *
 * @param doc
 *            DOM document
 * @param filename
 *            target file name
 * @param encoding
 *            specified encoding
 * @param omitXmlDeclaration
 *            flag to indicate if xml declaration statement is included
 * @throws Exception
 */
public static void writeXmlFile(Document doc, String filename, String encoding, String omitXmlDeclaration)
        throws Exception {

    // Prepare the DOM document for writing
    Source source = new DOMSource(doc);

    // Prepare the output file
    FileOutputStream outputStream = new FileOutputStream(new File(filename));
    Result result = new StreamResult(outputStream);

    // Write the DOM document to the file
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.setOutputProperty(OutputKeys.METHOD, "xml");
    transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    transformer.setOutputProperty(OutputKeys.ENCODING, encoding);
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, omitXmlDeclaration);

    transformer.transform(source, result);

    outputStream.flush();
    outputStream.close();
}

From source file:Main.java

public static void printDocument(Document doc, OutputStream out, boolean prettyPrint)
        throws IOException, TransformerException {
    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer transformer = tf.newTransformer();
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
    transformer.setOutputProperty(OutputKeys.METHOD, "xml");
    transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");

    if (prettyPrint) {
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
    }//from w w w  . j av a  2 s  .c  om

    transformer.transform(new DOMSource(doc), new StreamResult(new OutputStreamWriter(out, "UTF-8")));
}

From source file:Main.java

/**
 * Executes a transformation.//from w  w w  .j  a  v  a 2  s  .  c om
 * <br>The output encoding is set to UTF-8
 * @param source the transformation source
 * @param result the transformation result
 * @param indent if true, the output indent key is set to "yes"
 * @throws TransformerException if an exception occurs
 */
public static void transform(javax.xml.transform.Source source, javax.xml.transform.Result result,
        boolean indent) throws TransformerException {
    TransformerFactory factory = TransformerFactory.newInstance();
    factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");
    factory.setFeature("http://javax.xml.XMLConstants/feature/secure-processing", true);
    //factory.setFeature("http://apache.org/xml/features/disallow-doctype-decl",true); 
    Transformer transformer = factory.newTransformer();
    transformer.setOutputProperty(OutputKeys.ENCODING, DEFAULT_ENCODING);
    transformer.setOutputProperty(OutputKeys.METHOD, "xml");
    if (indent) {
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
    }
    transformer.transform(source, result);
}

From source file:Main.java

public static void toString(Document doc, String encoding, Writer w, boolean indent)
        throws TransformerFactoryConfigurationError, TransformerException {
    Source source = new DOMSource(doc);
    Result result = new StreamResult(w);

    Transformer xformer = TransformerFactory.newInstance().newTransformer();
    xformer.setOutputProperty(OutputKeys.ENCODING, encoding);

    if (indent) {
        xformer.setOutputProperty(OutputKeys.INDENT, "yes");
    }/*w  ww .j a  va2  s  . c o m*/

    xformer.transform(source, result);
}

From source file:Main.java

public static void saveXml(Document dom, File file, boolean omitXmlDeclaration) throws IOException {
    try {//from w ww.  j  a  va2s.  c om
        Transformer transformer = getNewTransformer();
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, omitXmlDeclaration ? "yes" : "no");
        transformer.transform(new DOMSource(dom.getDocumentElement()),
                new StreamResult(file.toURI().getPath()));
    } catch (Exception e) {
        throw new IOException("saveXml failed because : " + e.getMessage());
    }
}

From source file:Main.java

/**
 * Method to convert document to string.
 * // w w  w.ja  va 2 s.co  m
 * @param doc
 * @return document content as string
 */
public static String doc2String(Document doc) {
    try {
        StringWriter sw = new StringWriter();
        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer transformer = tf.newTransformer();
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        transformer.transform(new DOMSource(doc), new StreamResult(sw));
        return sw.toString();
    } catch (Exception ex) {
        throw new RuntimeException("Error converting to String", ex);
    }
}

From source file:Main.java

public static String toPrettyString(String xml) {
    int indent = 4;
    try {//www.  ja  v  a2  s .  co  m
        // Turn xml string into a document
        Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder()
                .parse(new InputSource(new ByteArrayInputStream(xml.getBytes("utf-8"))));

        // Remove whitespaces outside tags
        XPath xPath = XPathFactory.newInstance().newXPath();
        NodeList nodeList = (NodeList) xPath.evaluate("//text()[normalize-space()='']", document,
                XPathConstants.NODESET);

        for (int i = 0; i < nodeList.getLength(); ++i) {
            Node node = nodeList.item(i);
            node.getParentNode().removeChild(node);
        }

        // Setup pretty print options
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        transformerFactory.setAttribute("indent-number", indent);
        Transformer transformer = transformerFactory.newTransformer();
        transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");

        // Return pretty print xml string
        StringWriter stringWriter = new StringWriter();
        transformer.transform(new DOMSource(document), new StreamResult(stringWriter));
        return stringWriter.toString();
    } catch (Exception e) {
        System.out.println(xml);
        throw new RuntimeException(
                "Problems prettyfing xml content [" + Splitter.fixedLength(100).split(xml) + "]", e);
    }
}