Examples of org.apache.cocoon.xml.dom.DOMStreamer

org.apache.cocoon.xml.dom.DOMStreamer
The DOMStreamer is a utility class that will generate SAX events from a W3C DOM Document.
The DOMStreamer uses a different strategy based on the value of the normalizeNamespaces property:
- if true (the default), the DOMStreamer will normalize namespace declarations (i.e. add missing xmlns attributes or correct them). See also {@link NamespaceNormalizingDOMStreamer}.
- if false, the standard JAXP identity transformer is used.
@author Carsten Ziegeler @author Pierpaolo Fumagalli(Apache Software Foundation) @version CVS $Id: DOMStreamer.java,v 1.10 2003/03/19 09:40:42 bruno Exp $

            transformerHandler.getTransformer().setOutputProperties(format);
            transformerHandler.setResult(new StreamResult(writer));
            if (node.getNodeType() != Node.DOCUMENT_NODE) {
                transformerHandler.startDocument();
            } 
            DOMStreamer domStreamer = new DOMStreamer(transformerHandler, transformerHandler);
            domStreamer.stream(node);
            if (node.getNodeType() != Node.DOCUMENT_NODE) {
                transformerHandler.endDocument();
            } 
            return writer.toString();
        } catch (javax.xml.transform.TransformerException local) {

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            DocumentFragment fragment = this.endRecording();
            RepeaterStatus status = (RepeaterStatus) this.repeater.get(this.repeater.size() - 1);
            Object[] vals = this.getValues(this.getName(status.expr));
            int count = (vals != null ? vals.length : 0);
            for (status.count = 1; status.count <= count; status.count++) {
                DOMStreamer streamer = new DOMStreamer(this, this);
                streamer.stream(fragment);
            }
            this.repeater.remove(this.repeater.size() - 1);
        } else {
            this.relayEndElement(uri, name, raw);
            if (this.recordingCount < 0) {

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     * @param v the value
     */
    public static void valueOf(ContentHandler contentHandler, Node v)
    throws SAXException {
        if (v != null) {
            DOMStreamer streamer = new DOMStreamer(contentHandler);
            if (contentHandler instanceof LexicalHandler) {
                streamer.setLexicalHandler((LexicalHandler)contentHandler);
            }
            streamer.stream(v);
        }
    }

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            throw new SAXException("Exception while converting object to DOM", e);
        }


        // Stream the document fragment
        handler.startDocument();
        DOMStreamer streamer = new DOMStreamer(handler);
        streamer.stream(df);
        handler.endDocument();
    }

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            errorWriter.close();
            if(getLogger().isWarnEnabled()) {
               getLogger().warn(stringWriter.toString());
            }


            DOMStreamer domStreamer = new DOMStreamer(this.contentHandler,
                                                      this.lexicalHandler);
            this.contentHandler.startDocument();


            if(xpath != null) {
                NodeList nl = processor.selectNodeList(doc, xpath);
                int length = nl.getLength();
                for(int i=0; i < length; i++) {
                    domStreamer.stream(nl.item(i));
                }
            } else {
                // If the HTML document contained a <?xml ... declaration, tidy would have recognized
                // this as a processing instruction (with a 'null' target), giving problems further
                // on in the pipeline. Therefore we only serialize the document element.
                domStreamer.stream(doc.getDocumentElement());
            }
            this.contentHandler.endDocument();
        } catch (IOException e){
            throw new ResourceNotFoundException("Could not get resource "
                + this.inputSource.getURI(), e);

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                    try {
                        selector = (ServiceSelector)manager.lookup(Serializer.ROLE + "Selector");
                        serializer = (Serializer)selector.select(localSerializer);
                        oStream = ws.getOutputStream();
                        serializer.setOutputStream(oStream);
                        DOMStreamer streamer = new DOMStreamer(serializer);
                        streamer.stream(resource);
                    } finally {
                        if (oStream != null) {
                            oStream.flush();
                            try {
                                oStream.close();

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    public void notify(Document doc) throws SAXException {
        // Call the user's transform method
        Document newdoc = transform(doc);


        // Now we stream the resulting DOM tree down the pipe
        DOMStreamer s = new DOMStreamer(contentHandler, lexicalHandler);
        s.stream(newdoc);
    }

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    public void setValue(NodeList values) {
        try {
            DOMBuilder builder = new DOMBuilder();
            builder.startDocument();
            builder.startElement(namespace, name, name, new AttributesImpl());
            DOMStreamer stream = new DOMStreamer(builder);
            for (int i = 0; i<values.getLength(); i++) {
                stream.stream(values.item(i));
            }
            builder.endElement(namespace, name, name);
            builder.endDocument();
            Document doc = builder.getDocument();
            this.value = doc.getDocumentElement();

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     * events.
     *
     * @param handler
     */
    public void toSAX(ContentHandler handler) throws SAXException {
        DOMStreamer stream = new DOMStreamer(handler);
        stream.stream(this.value);
    }

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     * of SAX events, not producing start/endDocument calls and containing all
     * necessary namespace declarations.
     */
    public static XMLizable compileElementContent(Element element) {
        SaxBuffer saxBuffer = new SaxBuffer();
        DOMStreamer domStreamer = new DOMStreamer();
        domStreamer.setContentHandler(saxBuffer);


        NodeList childNodes = element.getChildNodes();
        for (int i = 0; i < childNodes.getLength(); i++) {
            try {
                domStreamer.stream(childNodes.item(i));
            } catch (SAXException e) {
                // It's unlikely that an exception will occur here,
                // so use a runtime exception
                throw new RuntimeException(
                        "Error in DomHelper.compileElementContent: " +

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