Examples with DOMResult javax.xml.transform.dom.DOMResult used on opensource projects

Example 1 with DOMResult

use of javax.xml.transform.dom.DOMResult in project camel by apache.

the class ValidatingProcessor method doProcess.

protected void doProcess(Exchange exchange) throws Exception {
    Schema schema;
    if (isUseSharedSchema()) {
        schema = getSchema();
    } else {
        schema = createSchema();
    }
    Validator validator = schema.newValidator();
    // the underlying input stream, which we need to close to avoid locking files or other resources
    Source source = null;
    InputStream is = null;
    try {
        Result result = null;
        // only convert to input stream if really needed
        if (isInputStreamNeeded(exchange)) {
            is = getContentToValidate(exchange, InputStream.class);
            if (is != null) {
                source = getSource(exchange, is);
            }
        } else {
            Object content = getContentToValidate(exchange);
            if (content != null) {
                source = getSource(exchange, content);
            }
        }
        if (shouldUseHeader()) {
            if (source == null && isFailOnNullHeader()) {
                throw new NoXmlHeaderValidationException(exchange, headerName);
            }
        } else {
            if (source == null && isFailOnNullBody()) {
                throw new NoXmlBodyValidationException(exchange);
            }
        }
        //CAMEL-7036 We don't need to set the result if the source is an instance of StreamSource
        if (source instanceof DOMSource) {
            result = new DOMResult();
        } else if (source instanceof SAXSource) {
            result = new SAXResult();
        } else if (source instanceof StAXSource || source instanceof StreamSource) {
            result = null;
        }
        if (source != null) {
            // create a new errorHandler and set it on the validator
            // must be a local instance to avoid problems with concurrency (to be
            // thread safe)
            ValidatorErrorHandler handler = errorHandler.getClass().newInstance();
            validator.setErrorHandler(handler);
            try {
                LOG.trace("Validating {}", source);
                validator.validate(source, result);
                handler.handleErrors(exchange, schema, result);
            } catch (SAXParseException e) {
                // can be thrown for non well formed XML
                throw new SchemaValidationException(exchange, schema, Collections.singletonList(e), Collections.<SAXParseException>emptyList(), Collections.<SAXParseException>emptyList());
            }
        }
    } finally {
        IOHelper.close(is);
    }
}

Example 2 with DOMResult

use of javax.xml.transform.dom.DOMResult in project camel by apache.

the class XmlConverter method toDOMNodeFromStAX.

@Converter
public Node toDOMNodeFromStAX(StAXSource source) throws ParserConfigurationException, IOException, SAXException, TransformerException {
    DOMResult result = new DOMResult();
    toResult(source, result);
    return result.getNode();
}

Example 3 with DOMResult

use of javax.xml.transform.dom.DOMResult in project camel by apache.

the class CacheBasedXPathReplacer method process.

public void process(Exchange exchange) throws Exception {
    String cacheKey = key.evaluate(exchange, String.class);
    if (isValid(cacheManager, cacheName, cacheKey)) {
        Ehcache cache = cacheManager.getCache(cacheName);
        if (LOG.isDebugEnabled()) {
            LOG.debug("Replacing XPath value {} in Message with value stored against key {} in CacheName {}", new Object[] { xpath, cacheKey, cacheName });
        }
        exchange.getIn().setHeader(CacheConstants.CACHE_KEY, cacheKey);
        Object body = exchange.getIn().getBody();
        InputStream is = exchange.getContext().getTypeConverter().convertTo(InputStream.class, body);
        Document document;
        try {
            document = exchange.getContext().getTypeConverter().convertTo(Document.class, exchange, is);
        } finally {
            IOHelper.close(is, "is", LOG);
        }
        InputStream cis = exchange.getContext().getTypeConverter().convertTo(InputStream.class, cache.get(cacheKey).getObjectValue());
        try {
            Document cacheValueDocument = exchange.getContext().getTypeConverter().convertTo(Document.class, exchange, cis);
            // Create/setup the Transformer
            XmlConverter xmlConverter = new XmlConverter();
            String xslString = IOConverter.toString(new File("./src/main/resources/xpathreplacer.xsl"), exchange);
            xslString = xslString.replace("##match_token##", xpath);
            Source xslSource = xmlConverter.toStreamSource(new StringReader(xslString));
            TransformerFactory transformerFactory = xmlConverter.createTransformerFactory();
            Transformer transformer = transformerFactory.newTransformer(xslSource);
            DOMSource source = xmlConverter.toDOMSource(document);
            DOMResult result = new DOMResult();
            transformer.setParameter("cacheValue", cacheValueDocument);
            transformer.transform(source, result);
            // DOMSource can be converted to byte[] by camel type converter mechanism
            DOMSource dom = new DOMSource(result.getNode());
            exchange.getIn().setBody(dom, byte[].class);
        } finally {
            IOHelper.close(cis, "cis", LOG);
        }
    }
}

Example 4 with DOMResult

use of javax.xml.transform.dom.DOMResult in project camel by apache.

the class XmlFixture method transform.

protected static Document transform(Document aDocument, String aResourcePath) throws Exception {
    TransformerFactory tf = TransformerFactory.newInstance();
    InputStream in = XmlFixture.class.getResourceAsStream(aResourcePath);
    Source src = new StreamSource(in);
    src.setSystemId(XmlFixture.class.getResource(aResourcePath).toExternalForm());
    Transformer t = tf.newTransformer(src);
    DOMResult result = new DOMResult();
    t.transform(new DOMSource(aDocument), result);
    return (Document) result.getNode();
}

Example 5 with DOMResult

use of javax.xml.transform.dom.DOMResult in project robovm by robovm.

the class TransformerIdentityImpl method createResultContentHandler.

/**
   * Create a result ContentHandler from a Result object, based
   * on the current OutputProperties.
   *
   * @param outputTarget Where the transform result should go,
   * should not be null.
   *
   * @return A valid ContentHandler that will create the
   * result tree when it is fed SAX events.
   *
   * @throws TransformerException
   */
private void createResultContentHandler(Result outputTarget) throws TransformerException {
    if (outputTarget instanceof SAXResult) {
        SAXResult saxResult = (SAXResult) outputTarget;
        m_resultContentHandler = saxResult.getHandler();
        m_resultLexicalHandler = saxResult.getLexicalHandler();
        if (m_resultContentHandler instanceof Serializer) {
            // Dubious but needed, I think.
            m_serializer = (Serializer) m_resultContentHandler;
        }
    } else if (outputTarget instanceof DOMResult) {
        DOMResult domResult = (DOMResult) outputTarget;
        Node outputNode = domResult.getNode();
        Node nextSibling = domResult.getNextSibling();
        Document doc;
        short type;
        if (null != outputNode) {
            type = outputNode.getNodeType();
            doc = (Node.DOCUMENT_NODE == type) ? (Document) outputNode : outputNode.getOwnerDocument();
        } else {
            try {
                DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
                dbf.setNamespaceAware(true);
                if (m_isSecureProcessing) {
                    try {
                        dbf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
                    } catch (ParserConfigurationException pce) {
                    }
                }
                DocumentBuilder db = dbf.newDocumentBuilder();
                doc = db.newDocument();
            } catch (ParserConfigurationException pce) {
                throw new TransformerException(pce);
            }
            outputNode = doc;
            type = outputNode.getNodeType();
            ((DOMResult) outputTarget).setNode(outputNode);
        }
        DOMBuilder domBuilder = (Node.DOCUMENT_FRAGMENT_NODE == type) ? new DOMBuilder(doc, (DocumentFragment) outputNode) : new DOMBuilder(doc, outputNode);
        if (nextSibling != null)
            domBuilder.setNextSibling(nextSibling);
        m_resultContentHandler = domBuilder;
        m_resultLexicalHandler = domBuilder;
    } else if (outputTarget instanceof StreamResult) {
        StreamResult sresult = (StreamResult) outputTarget;
        try {
            Serializer serializer = SerializerFactory.getSerializer(m_outputFormat.getProperties());
            m_serializer = serializer;
            if (null != sresult.getWriter())
                serializer.setWriter(sresult.getWriter());
            else if (null != sresult.getOutputStream())
                serializer.setOutputStream(sresult.getOutputStream());
            else if (null != sresult.getSystemId()) {
                String fileURL = sresult.getSystemId();
                if (fileURL.startsWith("file:///")) {
                    if (fileURL.substring(8).indexOf(":") > 0) {
                        fileURL = fileURL.substring(8);
                    } else {
                        fileURL = fileURL.substring(7);
                    }
                } else if (fileURL.startsWith("file:/")) {
                    if (fileURL.substring(6).indexOf(":") > 0) {
                        fileURL = fileURL.substring(6);
                    } else {
                        fileURL = fileURL.substring(5);
                    }
                }
                m_outputStream = new java.io.FileOutputStream(fileURL);
                serializer.setOutputStream(m_outputStream);
            } else
                //"No output specified!");
                throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_NO_OUTPUT_SPECIFIED, null));
            m_resultContentHandler = serializer.asContentHandler();
        } catch (IOException ioe) {
            throw new TransformerException(ioe);
        }
    } else {
        //"Can't transform to a Result of type "
        throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_CANNOT_TRANSFORM_TO_RESULT_TYPE, new Object[] { outputTarget.getClass().getName() }));
    // + outputTarget.getClass().getName()
    // + "!");
    }
    if (m_resultContentHandler instanceof DTDHandler)
        m_resultDTDHandler = (DTDHandler) m_resultContentHandler;
    if (m_resultContentHandler instanceof DeclHandler)
        m_resultDeclHandler = (DeclHandler) m_resultContentHandler;
    if (m_resultContentHandler instanceof LexicalHandler)
        m_resultLexicalHandler = (LexicalHandler) m_resultContentHandler;
}