Example usage for javax.xml.transform TransformerFactory setFeature

Introduction

In this page you can find the example usage for javax.xml.transform TransformerFactory setFeature.

Prototype

public abstract void setFeature(String name, boolean value) throws TransformerConfigurationException;

Source Link

Document

Set a feature for this TransformerFactory and Transformer s or Template s created by this factory.

Usage

From source file:org.apache.syncope.installer.utilities.FileSystemUtils.java

public static void writeXML(final Document doc, final OutputStream out)
        throws IOException, TransformerException {
    final TransformerFactory factory = TransformerFactory.newInstance();
    factory.setFeature(javax.xml.XMLConstants.FEATURE_SECURE_PROCESSING, true);
    final Transformer transformer = factory.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.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
    transformer.transform(new DOMSource(doc),
            new StreamResult(new OutputStreamWriter(out, Charset.forName("UTF-8"))));
    out.close();//  w  w  w .  j ava  2s  .  com
}

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From source file:org.apache.xml.security.transforms.implementations.TransformXSLT.java

protected XMLSignatureInput enginePerformTransform(XMLSignatureInput input, OutputStream baos,
        Transform transformObject) throws IOException, TransformationException {
    try {/*from www.  j a v  a  2s .  c  o m*/
        Element transformElement = transformObject.getElement();

        Element xsltElement = XMLUtils.selectNode(transformElement.getFirstChild(), XSLTSpecNS, "stylesheet",
                0);

        if (xsltElement == null) {
            Object exArgs[] = { "xslt:stylesheet", "Transform" };

            throw new TransformationException("xml.WrongContent", exArgs);
        }

        TransformerFactory tFactory = TransformerFactory.newInstance();
        // Process XSLT stylesheets in a secure manner
        tFactory.setFeature("http://javax.xml.XMLConstants/feature/secure-processing", Boolean.TRUE);

        /*
         * This transform requires an octet stream as input. If the actual
         * input is an XPath node-set, then the signature application should
         * attempt to convert it to octets (apply Canonical XML]) as described
         * in the Reference Processing Model (section 4.3.3.2).
         */
        Source xmlSource = new StreamSource(new ByteArrayInputStream(input.getBytes()));
        Source stylesheet;

        /*
         * This complicated transformation of the stylesheet itself is necessary
         * because of the need to get the pure style sheet. If we simply say
         * Source stylesheet = new DOMSource(this.xsltElement);
         * whereby this.xsltElement is not the rootElement of the Document,
         * this causes problems;
         * so we convert the stylesheet to byte[] and use this as input stream
         */
        {
            ByteArrayOutputStream os = new ByteArrayOutputStream();
            Transformer transformer = tFactory.newTransformer();
            DOMSource source = new DOMSource(xsltElement);
            StreamResult result = new StreamResult(os);

            transformer.transform(source, result);

            stylesheet = new StreamSource(new ByteArrayInputStream(os.toByteArray()));
        }

        Transformer transformer = tFactory.newTransformer(stylesheet);

        // Force Xalan to use \n as line separator on all OSes. This 
        // avoids OS specific signature validation failures due to line
        // separator differences in the transformed output. Unfortunately,
        // this is not a standard JAXP property so will not work with non-Xalan
        // implementations.
        try {
            transformer.setOutputProperty("{http://xml.apache.org/xalan}line-separator", "\n");
        } catch (Exception e) {
            log.warn("Unable to set Xalan line-separator property: " + e.getMessage());
        }

        if (baos == null) {
            ByteArrayOutputStream baos1 = new ByteArrayOutputStream();
            StreamResult outputTarget = new StreamResult(baos1);
            transformer.transform(xmlSource, outputTarget);
            return new XMLSignatureInput(baos1.toByteArray());
        }
        StreamResult outputTarget = new StreamResult(baos);

        transformer.transform(xmlSource, outputTarget);
        XMLSignatureInput output = new XMLSignatureInput((byte[]) null);
        output.setOutputStream(baos);
        return output;
    } catch (XMLSecurityException ex) {
        Object exArgs[] = { ex.getMessage() };

        throw new TransformationException("generic.EmptyMessage", exArgs, ex);
    } catch (TransformerConfigurationException ex) {
        Object exArgs[] = { ex.getMessage() };

        throw new TransformationException("generic.EmptyMessage", exArgs, ex);
    } catch (TransformerException ex) {
        Object exArgs[] = { ex.getMessage() };

        throw new TransformationException("generic.EmptyMessage", exArgs, ex);
    }
}

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From source file:org.wso2.carbon.tools.wsdlvalidator.WsdlValidator.java

/**
 * Load XML data to a temporary file.//from   ww  w  .j  a  v a  2  s  .  com
 *
 * @param document XML DOM
 * @return URL of the file
 * @throws IOException          on error writing to file
 * @throws TransformerException on transforming error
 */
private URL loadXMLToFile(Document document) throws TransformerException, IOException {
    DOMSource source = new DOMSource(document);
    File tempFile = File.createTempFile("temp", ".txt");
    tempFile.deleteOnExit();
    FileWriter writer = new FileWriter(tempFile);
    StreamResult result = new StreamResult(writer);
    TransformerFactory transformerFactory;
    try {
        transformerFactory = TransformerFactory
                .newInstance("com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl", null);
    } catch (NoSuchMethodError e) {
        log.info("TransformerFactory.newInstance(String, ClassLoader) method not found. "
                + "Using TransformerFactory.newInstance()");
        transformerFactory = TransformerFactory.newInstance();
    }
    transformerFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
    Transformer transformer = transformerFactory.newTransformer();
    transformer.transform(source, result);
    return tempFile.toURI().toURL();
}

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From source file:org.wso2.carbon.wsdl2form.Util.java

/**
 * Load XML data to a temporary file.//from   w  w  w. j a v a2 s .co m
 *
 * @param document XML URL
 * @return URL of the file
 * @throws IOException          on error writing to file
 */
private static File loadXMLToFile(Document document) throws IOException {
    DOMSource source = new DOMSource(document);
    File tempFile = File.createTempFile("temp", ".txt");
    tempFile.deleteOnExit();
    try (FileWriter writer = new FileWriter(tempFile)) {
        StreamResult result = new StreamResult(writer);
        TransformerFactory transformerFactory = getTransformerFactory();
        transformerFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
        Transformer transformer = transformerFactory.newTransformer();
        transformer.transform(source, result);
    } catch (IOException e) {
        String msg = "Error occurred when creating FileWriter";
        log.error(msg, e);
        throw new AxisFault(msg, e);
    } catch (TransformerException e) {
        String msg = "Error occurred when transforming the document safely";
        log.error(msg, e);
        throw new AxisFault(msg, e);
    }
    return tempFile;
}

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