Examples with TransformerFactory javax.xml.transform.TransformerFactory used on opensource projects

Example 91 with TransformerFactory

use of javax.xml.transform.TransformerFactory in project stanbol by apache.

the class DOMUtils method getStringFromDoc.

/**
     * This returns a string representation of the given document.
     *
     * @param doc
     *            an XML <code>Document</code>
     * @param encoding
     *            a <code>String</code> with the encoding to use
     * @param docTypeDef
     *            a <code>String</code> with the DTD name; use <code>null</code>
     *            for no DTD
     * @return a <code>String</code> with the XML string
     */
public static String getStringFromDoc(Document doc, String encoding, String docTypeDef) {
    try {
        // use a Transformer for output
        TransformerFactory tFactory = TransformerFactory.newInstance();
        Transformer xformer = tFactory.newTransformer();
        xformer.setOutputProperty(OutputKeys.INDENT, "yes");
        xformer.setOutputProperty(OutputKeys.ENCODING, encoding);
        xformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
        xformer.setOutputProperty(OutputKeys.METHOD, "xml");
        if (null != docTypeDef) {
            xformer.setOutputProperty(OutputKeys.DOCTYPE_SYSTEM, docTypeDef);
        }
        DOMSource source = new DOMSource(doc);
        StringWriter sw = new StringWriter();
        StreamResult result = new StreamResult(sw);
        xformer.transform(source, result);
        return sw.toString();
    } catch (TransformerConfigurationException tce) {
        // error generated by the parser
        System.err.println("** Transformer Factory error");
        System.err.println("   " + tce.getMessage());
        // use the contained exception, if any
        Throwable x = tce;
        if (tce.getException() != null) {
            x = tce.getException();
        }
        x.printStackTrace();
    } catch (TransformerException te) {
        // error generated by the parser
        System.err.println("** Transformation error");
        System.err.println("   " + te.getMessage());
        // use the contained exception, if any
        Throwable x = te;
        if (te.getException() != null) {
            x = te.getException();
        }
        x.printStackTrace();
    }
    return null;
}

Example 92 with TransformerFactory

use of javax.xml.transform.TransformerFactory in project tika by apache.

the class MimeTypesReader method read.

public void read(Document document) throws MimeTypeException {
    try {
        TransformerFactory factory = TransformerFactory.newInstance();
        Transformer transformer = factory.newTransformer();
        transformer.transform(new DOMSource(document), new SAXResult(this));
    } catch (TransformerException e) {
        throw new MimeTypeException("Failed to parse type registry", e);
    }
}

Example 93 with TransformerFactory

use of javax.xml.transform.TransformerFactory in project stanbol by apache.

the class HtmlExtractionRegistry method initialize.

public void initialize(InputStream configFileStream) throws InitializationException {
    try {
        XPathFactory factory = XPathFactory.newInstance();
        XPath xPath = factory.newXPath();
        DocumentBuilder parser = DocumentBuilderFactory.newInstance().newDocumentBuilder();
        Document document = parser.parse(new InputSource(configFileStream));
        Node node;
        NodeList nodes = (NodeList) xPath.evaluate("/htmlextractors/extractor", document, XPathConstants.NODESET);
        if (nodes != null) {
            TransformerFactory transFac = TransformerFactory.newInstance();
            transFac.setURIResolver(new BundleURIResolver());
            for (int j = 0, iCnt = nodes.getLength(); j < iCnt; j++) {
                Node nd = nodes.item(j);
                node = (Node) xPath.evaluate("@id", nd, XPathConstants.NODE);
                String id = node.getNodeValue();
                Node srcNode = (Node) xPath.evaluate("source", nd, XPathConstants.NODE);
                if (srcNode != null) {
                    node = (Node) xPath.evaluate("@type", srcNode, XPathConstants.NODE);
                    String srcType = node.getNodeValue();
                    if (srcType.equals("xslt")) {
                        String rdfFormat = "rdfxml";
                        Syntax rdfSyntax = Syntax.RdfXml;
                        node = (Node) xPath.evaluate("@syntax", srcNode, XPathConstants.NODE);
                        if (node != null) {
                            rdfFormat = node.getNodeValue();
                            if (rdfFormat.equalsIgnoreCase("turtle")) {
                                rdfSyntax = Syntax.Turtle;
                            } else if (rdfFormat.equalsIgnoreCase("ntriple")) {
                                rdfSyntax = Syntax.Ntriples;
                            } else if (rdfFormat.equalsIgnoreCase("n3")) {
                                rdfSyntax = XsltExtractor.N3;
                            } else if (!rdfFormat.equalsIgnoreCase("rdfxml")) {
                                throw new InitializationException("Unknown RDF Syntax: " + rdfFormat + " for " + id + " extractor");
                            }
                        }
                        // TODO: do something about disjunctions of
                        // Extractors? Assume, only RDFa or Microformats are
                        // used?
                        String fileName = DOMUtils.getText(srcNode);
                        XsltExtractor xsltExtractor = new XsltExtractor(id, fileName, transFac);
                        xsltExtractor.setSyntax(rdfSyntax);
                        // name of URI/URL parameter of the script (default
                        // "uri")
                        node = (Node) xPath.evaluate("@uri", srcNode, XPathConstants.NODE);
                        if (node != null) {
                            xsltExtractor.setUriParameter(node.getNodeValue());
                        }
                        registry.put(id, xsltExtractor);
                        activeExtractors.add(id);
                    } else if (srcType.equals("java")) {
                        String clsName = srcNode.getNodeValue();
                        Object extractor = Class.forName(clsName).newInstance();
                        if (extractor instanceof HtmlExtractionComponent) {
                            registry.put(id, (HtmlExtractionComponent) extractor);
                            activeExtractors.add(id);
                        } else {
                            throw new InitializationException("clsName is not an HtmlExtractionComponent");
                        }
                    } else {
                        LOG.warn("No valid type for extractor found: " + id);
                    }
                    LOG.info("Extractor for: " + id);
                }
            }
        }
    } catch (FileNotFoundException e) {
        throw new InitializationException(e.getMessage(), e);
    } catch (XPathExpressionException e) {
        throw new InitializationException(e.getMessage(), e);
    } catch (DOMException e) {
        throw new InitializationException(e.getMessage(), e);
    } catch (ParserConfigurationException e) {
        throw new InitializationException(e.getMessage(), e);
    } catch (SAXException e) {
        throw new InitializationException(e.getMessage(), e);
    } catch (IOException e) {
        throw new InitializationException(e.getMessage(), e);
    } catch (ClassNotFoundException e) {
        throw new InitializationException(e.getMessage(), e);
    } catch (InstantiationException e) {
        throw new InitializationException(e.getMessage(), e);
    } catch (IllegalAccessException e) {
        throw new InitializationException(e.getMessage(), e);
    }
}

Example 94 with TransformerFactory

use of javax.xml.transform.TransformerFactory in project ddf by codice.

the class XacmlClient method addNamespaceAndPrefixes.

/**
     * Adds namespaces and namespace prefixes to the XACML response returned by the XACML PDP. The
     * XACML PDP returns a response with no namespaces, so we need to add them to unmarshal the
     * response.
     *
     * @param xacmlResponse The XACML response as a string.
     * @return DOM representation of the XACML response with namespaces and namespace prefixes.
     * @throws PdpException
     */
private DOMResult addNamespaceAndPrefixes(String xacmlResponse) throws PdpException {
    XMLReader xmlReader = null;
    try {
        XMLReader xmlParser = XMLReaderFactory.createXMLReader();
        xmlParser.setFeature("http://xml.org/sax/features/external-general-entities", false);
        xmlParser.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
        xmlParser.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
        xmlReader = new XMLFilterImpl(xmlParser) {

            @Override
            public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
                super.startElement(XACML30_NAMESPACE, localName, XACML_PREFIX + ":" + qName, attributes);
            }

            @Override
            public void endElement(String uri, String localName, String qName) throws SAXException {
                super.endElement(XACML30_NAMESPACE, localName, XACML_PREFIX + ":" + qName);
            }
        };
    } catch (SAXException e) {
        String message = "Unable to read XACML response:\n" + xacmlResponse;
        LOGGER.info(message);
        throw new PdpException(message, e);
    }
    DOMResult domResult;
    ClassLoader tccl = Thread.currentThread().getContextClassLoader();
    Thread.currentThread().setContextClassLoader(XacmlClient.class.getClassLoader());
    try {
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        domResult = new DOMResult();
        Transformer transformer = transformerFactory.newTransformer();
        transformer.transform(new SAXSource(xmlReader, new InputSource(new StringReader(xacmlResponse))), domResult);
    } catch (TransformerException e) {
        String message = "Unable to transform XACML response:\n" + xacmlResponse;
        LOGGER.info(message);
        throw new PdpException(message, e);
    } finally {
        Thread.currentThread().setContextClassLoader(tccl);
    }
    return domResult;
}

Example 95 with TransformerFactory

use of javax.xml.transform.TransformerFactory in project ddf by codice.

the class XMLUtils method transformation.

private static void transformation(Source sourceXml, TransformerProperties transformProperties, Result result) {
    ClassLoader tccl = Thread.currentThread().getContextClassLoader();
    Thread.currentThread().setContextClassLoader(XMLUtils.class.getClassLoader());
    try {
        TransformerFactory transFactory = TransformerFactory.newInstance();
        Transformer transformer = transFactory.newTransformer();
        for (Entry<String, String> entry : transformProperties.getOutputProperties()) {
            transformer.setOutputProperty(entry.getKey(), entry.getValue());
        }
        if (transformProperties.getErrorListener() != null) {
            transformer.setErrorListener(transformProperties.getErrorListener());
        }
        transformer.transform(sourceXml, result);
    } catch (TransformerException e) {
        LOGGER.debug("Unable to transform XML.", e);
    } finally {
        Thread.currentThread().setContextClassLoader(tccl);
    }
}