Examples with LexicalHandler org.xml.sax.ext.LexicalHandler used on opensource projects

Example 1 with LexicalHandler

use of org.xml.sax.ext.LexicalHandler 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;
}

Example 2 with LexicalHandler

use of org.xml.sax.ext.LexicalHandler in project robovm by robovm.

the class TransformerIdentityImpl method transform.

/**
   * Process the source tree to the output result.
   * @param source  The input for the source tree.
   *
   * @param outputTarget The output target.
   *
   * @throws TransformerException If an unrecoverable error occurs
   * during the course of the transformation.
   */
public void transform(Source source, Result outputTarget) throws TransformerException {
    createResultContentHandler(outputTarget);
    /*
     * According to JAXP1.2, new SAXSource()/StreamSource()
     * should create an empty input tree, with a default root node. 
     * new DOMSource()creates an empty document using DocumentBuilder.
     * newDocument(); Use DocumentBuilder.newDocument() for all 3 situations,
     * since there is no clear spec. how to create an empty tree when
     * both SAXSource() and StreamSource() are used.
     */
    if ((source instanceof StreamSource && source.getSystemId() == null && ((StreamSource) source).getInputStream() == null && ((StreamSource) source).getReader() == null) || (source instanceof SAXSource && ((SAXSource) source).getInputSource() == null && ((SAXSource) source).getXMLReader() == null) || (source instanceof DOMSource && ((DOMSource) source).getNode() == null)) {
        try {
            DocumentBuilderFactory builderF = DocumentBuilderFactory.newInstance();
            DocumentBuilder builder = builderF.newDocumentBuilder();
            String systemID = source.getSystemId();
            source = new DOMSource(builder.newDocument());
            // Copy system ID from original, empty Source to new Source
            if (systemID != null) {
                source.setSystemId(systemID);
            }
        } catch (ParserConfigurationException e) {
            throw new TransformerException(e.getMessage());
        }
    }
    try {
        if (source instanceof DOMSource) {
            DOMSource dsource = (DOMSource) source;
            m_systemID = dsource.getSystemId();
            Node dNode = dsource.getNode();
            if (null != dNode) {
                try {
                    if (dNode.getNodeType() == Node.ATTRIBUTE_NODE)
                        this.startDocument();
                    try {
                        if (dNode.getNodeType() == Node.ATTRIBUTE_NODE) {
                            String data = dNode.getNodeValue();
                            char[] chars = data.toCharArray();
                            characters(chars, 0, chars.length);
                        } else {
                            org.apache.xml.serializer.TreeWalker walker;
                            walker = new org.apache.xml.serializer.TreeWalker(this, m_systemID);
                            walker.traverse(dNode);
                        }
                    } finally {
                        if (dNode.getNodeType() == Node.ATTRIBUTE_NODE)
                            this.endDocument();
                    }
                } catch (SAXException se) {
                    throw new TransformerException(se);
                }
                return;
            } else {
                String messageStr = XSLMessages.createMessage(XSLTErrorResources.ER_ILLEGAL_DOMSOURCE_INPUT, null);
                throw new IllegalArgumentException(messageStr);
            }
        }
        InputSource xmlSource = SAXSource.sourceToInputSource(source);
        if (null == xmlSource) {
            //"Can't transform a Source of type "
            throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_CANNOT_TRANSFORM_SOURCE_TYPE, new Object[] { source.getClass().getName() }));
        //+ source.getClass().getName() + "!");
        }
        if (null != xmlSource.getSystemId())
            m_systemID = xmlSource.getSystemId();
        XMLReader reader = null;
        boolean managedReader = false;
        try {
            if (source instanceof SAXSource) {
                reader = ((SAXSource) source).getXMLReader();
            }
            if (null == reader) {
                try {
                    reader = XMLReaderManager.getInstance().getXMLReader();
                    managedReader = true;
                } catch (SAXException se) {
                    throw new TransformerException(se);
                }
            } else {
                try {
                    reader.setFeature("http://xml.org/sax/features/namespace-prefixes", true);
                } catch (org.xml.sax.SAXException se) {
                // We don't care.
                }
            }
            // Get the input content handler, which will handle the 
            // parse events and create the source tree. 
            ContentHandler inputHandler = this;
            reader.setContentHandler(inputHandler);
            if (inputHandler instanceof org.xml.sax.DTDHandler)
                reader.setDTDHandler((org.xml.sax.DTDHandler) inputHandler);
            try {
                if (inputHandler instanceof org.xml.sax.ext.LexicalHandler)
                    reader.setProperty("http://xml.org/sax/properties/lexical-handler", inputHandler);
                if (inputHandler instanceof org.xml.sax.ext.DeclHandler)
                    reader.setProperty("http://xml.org/sax/properties/declaration-handler", inputHandler);
            } catch (org.xml.sax.SAXException se) {
            }
            try {
                if (inputHandler instanceof org.xml.sax.ext.LexicalHandler)
                    reader.setProperty("http://xml.org/sax/handlers/LexicalHandler", inputHandler);
                if (inputHandler instanceof org.xml.sax.ext.DeclHandler)
                    reader.setProperty("http://xml.org/sax/handlers/DeclHandler", inputHandler);
            } catch (org.xml.sax.SAXNotRecognizedException snre) {
            }
            reader.parse(xmlSource);
        } catch (org.apache.xml.utils.WrappedRuntimeException wre) {
            Throwable throwable = wre.getException();
            while (throwable instanceof org.apache.xml.utils.WrappedRuntimeException) {
                throwable = ((org.apache.xml.utils.WrappedRuntimeException) throwable).getException();
            }
            throw new TransformerException(wre.getException());
        } catch (org.xml.sax.SAXException se) {
            throw new TransformerException(se);
        } catch (IOException ioe) {
            throw new TransformerException(ioe);
        } finally {
            if (managedReader) {
                XMLReaderManager.getInstance().releaseXMLReader(reader);
            }
        }
    } finally {
        if (null != m_outputStream) {
            try {
                m_outputStream.close();
            } catch (IOException ioe) {
            }
            m_outputStream = null;
        }
    }
}

Example 3 with LexicalHandler

use of org.xml.sax.ext.LexicalHandler in project robovm by robovm.

the class DTMTreeWalker method startNode.

/**
   * Start processing given node
   *
   *
   * @param node Node to process
   *
   * @throws org.xml.sax.SAXException
   */
protected void startNode(int node) throws org.xml.sax.SAXException {
    if (m_contentHandler instanceof NodeConsumer) {
    // %TBD%
    //      ((NodeConsumer) m_contentHandler).setOriginatingNode(node);
    }
    switch(m_dtm.getNodeType(node)) {
        case DTM.COMMENT_NODE:
            {
                XMLString data = m_dtm.getStringValue(node);
                if (m_contentHandler instanceof LexicalHandler) {
                    LexicalHandler lh = ((LexicalHandler) this.m_contentHandler);
                    data.dispatchAsComment(lh);
                }
            }
            break;
        case DTM.DOCUMENT_FRAGMENT_NODE:
            // ??;
            break;
        case DTM.DOCUMENT_NODE:
            this.m_contentHandler.startDocument();
            break;
        case DTM.ELEMENT_NODE:
            DTM dtm = m_dtm;
            for (int nsn = dtm.getFirstNamespaceNode(node, true); DTM.NULL != nsn; nsn = dtm.getNextNamespaceNode(node, nsn, true)) {
                // String prefix = dtm.getPrefix(nsn);
                String prefix = dtm.getNodeNameX(nsn);
                this.m_contentHandler.startPrefixMapping(prefix, dtm.getNodeValue(nsn));
            }
            // System.out.println("m_dh.getNamespaceOfNode(node): "+m_dh.getNamespaceOfNode(node));
            // System.out.println("m_dh.getLocalNameOfNode(node): "+m_dh.getLocalNameOfNode(node));
            String ns = dtm.getNamespaceURI(node);
            if (null == ns)
                ns = "";
            // %OPT% !!
            org.xml.sax.helpers.AttributesImpl attrs = new org.xml.sax.helpers.AttributesImpl();
            for (int i = dtm.getFirstAttribute(node); i != DTM.NULL; i = dtm.getNextAttribute(i)) {
                attrs.addAttribute(dtm.getNamespaceURI(i), dtm.getLocalName(i), dtm.getNodeName(i), "CDATA", dtm.getNodeValue(i));
            }
            this.m_contentHandler.startElement(ns, m_dtm.getLocalName(node), m_dtm.getNodeName(node), attrs);
            break;
        case DTM.PROCESSING_INSTRUCTION_NODE:
            {
                String name = m_dtm.getNodeName(node);
                // String data = pi.getData();
                if (name.equals("xslt-next-is-raw")) {
                    nextIsRaw = true;
                } else {
                    this.m_contentHandler.processingInstruction(name, m_dtm.getNodeValue(node));
                }
            }
            break;
        case DTM.CDATA_SECTION_NODE:
            {
                boolean isLexH = (m_contentHandler instanceof LexicalHandler);
                LexicalHandler lh = isLexH ? ((LexicalHandler) this.m_contentHandler) : null;
                if (isLexH) {
                    lh.startCDATA();
                }
                dispatachChars(node);
                {
                    if (isLexH) {
                        lh.endCDATA();
                    }
                }
            }
            break;
        case DTM.TEXT_NODE:
            {
                if (nextIsRaw) {
                    nextIsRaw = false;
                    m_contentHandler.processingInstruction(javax.xml.transform.Result.PI_DISABLE_OUTPUT_ESCAPING, "");
                    dispatachChars(node);
                    m_contentHandler.processingInstruction(javax.xml.transform.Result.PI_ENABLE_OUTPUT_ESCAPING, "");
                } else {
                    dispatachChars(node);
                }
            }
            break;
        case DTM.ENTITY_REFERENCE_NODE:
            {
                if (m_contentHandler instanceof LexicalHandler) {
                    ((LexicalHandler) this.m_contentHandler).startEntity(m_dtm.getNodeName(node));
                } else {
                // warning("Can not output entity to a pure SAX ContentHandler");
                }
            }
            break;
        default:
    }
}

Example 4 with LexicalHandler

use of org.xml.sax.ext.LexicalHandler in project robovm by robovm.

the class TreeWalker method endNode.

/**
   * End processing of given node 
   *
   *
   * @param node Node we just finished processing
   *
   * @throws org.xml.sax.SAXException
   */
protected void endNode(Node node) throws org.xml.sax.SAXException {
    switch(node.getNodeType()) {
        case Node.DOCUMENT_NODE:
            break;
        case Node.ELEMENT_NODE:
            String ns = m_dh.getNamespaceOfNode(node);
            if (null == ns)
                ns = "";
            this.m_contentHandler.endElement(ns, m_dh.getLocalNameOfNode(node), node.getNodeName());
            if (m_Serializer == null) {
                // Don't bother with endPrefixMapping calls if the ContentHandler is a
                // SerializationHandler because SerializationHandler's ignore the
                // endPrefixMapping() calls anyways. . . .  This is an optimization.    
                Element elem_node = (Element) node;
                NamedNodeMap atts = elem_node.getAttributes();
                int nAttrs = atts.getLength();
                // of the startPrefixMapping calls
                for (int i = (nAttrs - 1); 0 <= i; i--) {
                    final Node attr = atts.item(i);
                    final String attrName = attr.getNodeName();
                    final int colon = attrName.indexOf(':');
                    final String prefix;
                    if (attrName.equals("xmlns") || attrName.startsWith("xmlns:")) {
                        // to "Steven Murray" <smurray@ebt.com>.
                        if (colon < 0)
                            prefix = "";
                        else
                            prefix = attrName.substring(colon + 1);
                        this.m_contentHandler.endPrefixMapping(prefix);
                    } else if (colon > 0) {
                        prefix = attrName.substring(0, colon);
                        this.m_contentHandler.endPrefixMapping(prefix);
                    }
                }
                {
                    String uri = elem_node.getNamespaceURI();
                    if (uri != null) {
                        String prefix = elem_node.getPrefix();
                        if (prefix == null)
                            prefix = "";
                        this.m_contentHandler.endPrefixMapping(prefix);
                    }
                }
            }
            break;
        case Node.CDATA_SECTION_NODE:
            break;
        case Node.ENTITY_REFERENCE_NODE:
            {
                EntityReference eref = (EntityReference) node;
                if (m_contentHandler instanceof LexicalHandler) {
                    LexicalHandler lh = ((LexicalHandler) this.m_contentHandler);
                    lh.endEntity(eref.getNodeName());
                }
            }
            break;
        default:
    }
}

Example 5 with LexicalHandler

use of org.xml.sax.ext.LexicalHandler in project robovm by robovm.

the class TreeWalker method endNode.

/**
   * End processing of given node 
   *
   *
   * @param node Node we just finished processing
   *
   * @throws org.xml.sax.SAXException
   */
protected void endNode(Node node) throws org.xml.sax.SAXException {
    switch(node.getNodeType()) {
        case Node.DOCUMENT_NODE:
            break;
        case Node.ELEMENT_NODE:
            String ns = m_dh.getNamespaceOfNode(node);
            if (null == ns)
                ns = "";
            this.m_contentHandler.endElement(ns, m_dh.getLocalNameOfNode(node), node.getNodeName());
            NamedNodeMap atts = ((Element) node).getAttributes();
            int nAttrs = atts.getLength();
            for (int i = 0; i < nAttrs; i++) {
                Node attr = atts.item(i);
                String attrName = attr.getNodeName();
                if (attrName.equals("xmlns") || attrName.startsWith("xmlns:")) {
                    int index;
                    // Use "" instead of null, as Xerces likes "" for the 
                    // name of the default namespace.  Fix attributed 
                    // to "Steven Murray" <smurray@ebt.com>.
                    String prefix = (index = attrName.indexOf(":")) < 0 ? "" : attrName.substring(index + 1);
                    this.m_contentHandler.endPrefixMapping(prefix);
                }
            }
            break;
        case Node.CDATA_SECTION_NODE:
            break;
        case Node.ENTITY_REFERENCE_NODE:
            {
                EntityReference eref = (EntityReference) node;
                if (m_contentHandler instanceof LexicalHandler) {
                    LexicalHandler lh = ((LexicalHandler) this.m_contentHandler);
                    lh.endEntity(eref.getNodeName());
                }
            }
            break;
        default:
    }
}