Examples with ToXMLSAXHandler org.apache.xml.serializer.ToXMLSAXHandler used on opensource projects

Example 1 with ToXMLSAXHandler

use of org.apache.xml.serializer.ToXMLSAXHandler in project robovm by robovm.

the class TransformerImpl method transformToRTF.

/**
   * Given a stylesheet element, create a result tree fragment from it's
   * contents.
   * @param templateParent The template element that holds the fragment.
   * @param dtmFrag The DTM to write the RTF into
   * @return the NodeHandle for the root node of the resulting RTF.
   *
   * @throws TransformerException
   * @xsl.usage advanced
   */
private int transformToRTF(ElemTemplateElement templateParent, DTM dtmFrag) throws TransformerException {
    XPathContext xctxt = m_xcontext;
    ContentHandler rtfHandler = dtmFrag.getContentHandler();
    // Obtain the ResultTreeFrag's root node.
    // NOTE: In SAX2RTFDTM, this value isn't available until after
    // the startDocument has been issued, so assignment has been moved
    // down a bit in the code.
    // not yet reliably = dtmFrag.getDocument();
    int resultFragment;
    // Save the current result tree handler.
    SerializationHandler savedRTreeHandler = this.m_serializationHandler;
    // And make a new handler for the RTF.
    ToSAXHandler h = new ToXMLSAXHandler();
    h.setContentHandler(rtfHandler);
    h.setTransformer(this);
    // Replace the old handler (which was already saved)
    m_serializationHandler = h;
    // use local variable for the current handler
    SerializationHandler rth = m_serializationHandler;
    try {
        rth.startDocument();
        // startDocument is "bottlenecked" in RTH. We need it acted upon immediately,
        // to set the DTM's state as in-progress, so that if the xsl:variable's body causes
        // further RTF activity we can keep that from bashing this DTM.
        rth.flushPending();
        try {
            // Do the transformation of the child elements.
            executeChildTemplates(templateParent, true);
            // Make sure everything is flushed!
            rth.flushPending();
            // Get the document ID. May not exist until the RTH has not only
            // received, but flushed, the startDocument, and may be invalid
            // again after the document has been closed (still debating that)
            // ... so waiting until just before the end seems simplest/safest. 
            resultFragment = dtmFrag.getDocument();
        } finally {
            rth.endDocument();
        }
    } catch (org.xml.sax.SAXException se) {
        throw new TransformerException(se);
    } finally {
        // Restore the previous result tree handler.
        this.m_serializationHandler = savedRTreeHandler;
    }
    return resultFragment;
}

Example 2 with ToXMLSAXHandler

use of org.apache.xml.serializer.ToXMLSAXHandler in project j2objc by google.

the class TransformerImpl method transformToRTF.

/**
   * Given a stylesheet element, create a result tree fragment from it's
   * contents.
   * @param templateParent The template element that holds the fragment.
   * @param dtmFrag The DTM to write the RTF into
   * @return the NodeHandle for the root node of the resulting RTF.
   *
   * @throws TransformerException
   * @xsl.usage advanced
   */
private int transformToRTF(ElemTemplateElement templateParent, DTM dtmFrag) throws TransformerException {
    XPathContext xctxt = m_xcontext;
    ContentHandler rtfHandler = dtmFrag.getContentHandler();
    // Obtain the ResultTreeFrag's root node.
    // NOTE: In SAX2RTFDTM, this value isn't available until after
    // the startDocument has been issued, so assignment has been moved
    // down a bit in the code.
    // not yet reliably = dtmFrag.getDocument();
    int resultFragment;
    // Save the current result tree handler.
    SerializationHandler savedRTreeHandler = this.m_serializationHandler;
    // And make a new handler for the RTF.
    ToSAXHandler h = new ToXMLSAXHandler();
    h.setContentHandler(rtfHandler);
    h.setTransformer(this);
    // Replace the old handler (which was already saved)
    m_serializationHandler = h;
    // use local variable for the current handler
    SerializationHandler rth = m_serializationHandler;
    try {
        rth.startDocument();
        // startDocument is "bottlenecked" in RTH. We need it acted upon immediately,
        // to set the DTM's state as in-progress, so that if the xsl:variable's body causes
        // further RTF activity we can keep that from bashing this DTM.
        rth.flushPending();
        try {
            // Do the transformation of the child elements.
            executeChildTemplates(templateParent, true);
            // Make sure everything is flushed!
            rth.flushPending();
            // Get the document ID. May not exist until the RTH has not only
            // received, but flushed, the startDocument, and may be invalid
            // again after the document has been closed (still debating that)
            // ... so waiting until just before the end seems simplest/safest. 
            resultFragment = dtmFrag.getDocument();
        } finally {
            rth.endDocument();
        }
    } catch (org.xml.sax.SAXException se) {
        throw new TransformerException(se);
    } finally {
        // Restore the previous result tree handler.
        this.m_serializationHandler = savedRTreeHandler;
    }
    return resultFragment;
}

Example 3 with ToXMLSAXHandler

use of org.apache.xml.serializer.ToXMLSAXHandler in project j2objc by google.

the class TransformerImpl method executeChildTemplates.

/**
      * Execute each of the children of a template element.
      *
      * @param elem The ElemTemplateElement that contains the children
      * that should execute.
      * @param handler The ContentHandler to where the result events
      * should be fed.
      *
      * @throws TransformerException
      * @xsl.usage advanced
      */
public void executeChildTemplates(ElemTemplateElement elem, ContentHandler handler) throws TransformerException {
    SerializationHandler xoh = this.getSerializationHandler();
    // These may well not be the same!  In this case when calling
    // the Redirect extension, it has already set the ContentHandler
    // in the Transformer.
    SerializationHandler savedHandler = xoh;
    try {
        xoh.flushPending();
        // %REVIEW% Make sure current node is being pushed.
        LexicalHandler lex = null;
        if (handler instanceof LexicalHandler) {
            lex = (LexicalHandler) handler;
        }
        m_serializationHandler = new ToXMLSAXHandler(handler, lex, savedHandler.getEncoding());
        m_serializationHandler.setTransformer(this);
        executeChildTemplates(elem, true);
    } catch (TransformerException e) {
        throw e;
    } catch (SAXException se) {
        throw new TransformerException(se);
    } finally {
        m_serializationHandler = savedHandler;
    }
}

Example 4 with ToXMLSAXHandler

use of org.apache.xml.serializer.ToXMLSAXHandler in project j2objc by google.

the class TransformerImpl method setContentHandler.

// ======== End Transformer Implementation ========  
/**
   * Set the content event handler.
   *
   * NEEDSDOC @param handler
   * @throws java.lang.NullPointerException If the handler
   *            is null.
   * @see org.xml.sax.XMLReader#setContentHandler
   */
public void setContentHandler(ContentHandler handler) {
    if (handler == null) {
        //"Null content handler");
        throw new NullPointerException(XSLMessages.createMessage(XSLTErrorResources.ER_NULL_CONTENT_HANDLER, null));
    } else {
        m_outputContentHandler = handler;
        if (null == m_serializationHandler) {
            ToXMLSAXHandler h = new ToXMLSAXHandler();
            h.setContentHandler(handler);
            h.setTransformer(this);
            m_serializationHandler = h;
        } else
            m_serializationHandler.setContentHandler(handler);
    }
}

Example 5 with ToXMLSAXHandler

use of org.apache.xml.serializer.ToXMLSAXHandler in project j2objc by google.

the class TransformerImpl method createSerializationHandler.

/**
     * Create a ContentHandler from a Result object and an OutputProperties.
     *
     * @param outputTarget Where the transform result should go,
     * should not be null.
     * @param format The OutputProperties object that will contain
     * instructions on how to serialize the output.
     *
     * @return A valid ContentHandler that will create the
     * result tree when it is fed SAX events.
     *
     * @throws TransformerException
     */
public SerializationHandler createSerializationHandler(Result outputTarget, OutputProperties format) throws TransformerException {
    SerializationHandler xoh;
    // If the Result object contains a Node, then create
    // a ContentHandler that will add nodes to the input node.
    org.w3c.dom.Node outputNode = null;
    if (outputTarget instanceof DOMResult) {
        outputNode = ((DOMResult) outputTarget).getNode();
        org.w3c.dom.Node nextSibling = ((DOMResult) outputTarget).getNextSibling();
        org.w3c.dom.Document doc;
        short type;
        if (null != outputNode) {
            type = outputNode.getNodeType();
            doc = (org.w3c.dom.Node.DOCUMENT_NODE == type) ? (org.w3c.dom.Document) outputNode : outputNode.getOwnerDocument();
        } else {
            boolean isSecureProcessing = m_stylesheetRoot.isSecureProcessing();
            doc = org.apache.xml.utils.DOMHelper.createDocument(isSecureProcessing);
            outputNode = doc;
            type = outputNode.getNodeType();
            ((DOMResult) outputTarget).setNode(outputNode);
        }
        DOMBuilder handler = (org.w3c.dom.Node.DOCUMENT_FRAGMENT_NODE == type) ? new DOMBuilder(doc, (org.w3c.dom.DocumentFragment) outputNode) : new DOMBuilder(doc, outputNode);
        if (nextSibling != null)
            handler.setNextSibling(nextSibling);
        String encoding = format.getProperty(OutputKeys.ENCODING);
        xoh = new ToXMLSAXHandler(handler, (LexicalHandler) handler, encoding);
    } else if (outputTarget instanceof SAXResult) {
        ContentHandler handler = ((SAXResult) outputTarget).getHandler();
        if (null == handler)
            throw new IllegalArgumentException("handler can not be null for a SAXResult");
        LexicalHandler lexHandler;
        if (handler instanceof LexicalHandler)
            lexHandler = (LexicalHandler) handler;
        else
            lexHandler = null;
        String encoding = format.getProperty(OutputKeys.ENCODING);
        String method = format.getProperty(OutputKeys.METHOD);
        ToXMLSAXHandler toXMLSAXHandler = new ToXMLSAXHandler(handler, lexHandler, encoding);
        toXMLSAXHandler.setShouldOutputNSAttr(false);
        xoh = toXMLSAXHandler;
        String publicID = format.getProperty(OutputKeys.DOCTYPE_PUBLIC);
        String systemID = format.getProperty(OutputKeys.DOCTYPE_SYSTEM);
        if (systemID != null)
            xoh.setDoctypeSystem(systemID);
        if (publicID != null)
            xoh.setDoctypePublic(publicID);
        if (handler instanceof TransformerClient) {
            XalanTransformState state = new XalanTransformState();
            ((TransformerClient) handler).setTransformState(state);
            ((ToSAXHandler) xoh).setTransformState(state);
        }
    } else // result tree to either a stream or a writer.
    if (outputTarget instanceof StreamResult) {
        StreamResult sresult = (StreamResult) outputTarget;
        try {
            SerializationHandler serializer = (SerializationHandler) SerializerFactory.getSerializer(format.getProperties());
            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);
                xoh = serializer;
            } else
                //"No output specified!");
                throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_NO_OUTPUT_SPECIFIED, null));
            // handler = serializer.asContentHandler();
            //  this.setSerializer(serializer);
            xoh = serializer;
        }//        }
         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()
    //+ "!");
    }
    // before we forget, lets make the created handler hold a reference
    // to the current TransformImpl object
    xoh.setTransformer(this);
    SourceLocator srcLocator = getStylesheet();
    xoh.setSourceLocator(srcLocator);
    return xoh;
}