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 $

     */
    public static void executeDOM(final XMLConsumer consumer, Node node, boolean stripRoot)
            throws SAXException {
        IncludeXMLConsumer includer = new IncludeXMLConsumer(consumer);
        includer.setIgnoreRootElement(stripRoot);
        DOMStreamer streamer = new DOMStreamer(includer);
        streamer.stream(node);
    }

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            DOMBuilder builder = new DOMBuilder();
            transformer.setConsumer(new WhitespaceFilter(builder));


            assertNotNull("Test if input document is not null", input);
            DOMStreamer streamer = new DOMStreamer(transformer);
            streamer.stream(input);


            document = builder.getDocument();
            assertNotNull("Test for transformer document", document);


        } catch (ServiceException ce) {

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            document = new ByteArrayOutputStream();
            serializer.setOutputStream(document);


            assertNotNull("Test if input document is not null", input);
            DOMStreamer streamer = new DOMStreamer(serializer);


            streamer.stream(input);
        } catch (ServiceException ce) {
            getLogger().error("Could not retrieve serializer", ce);
            fail("Could not retrieve serializer:"+ce.toString());
        } finally {
            if (serializer!=null) {

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    public static XMLizable compileElementContent(Element element) {
        // Remove location information
        LocationAttributes.remove(element, true);


        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: " +
                                           e.toString());

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    private void executeDOM(final XMLConsumer consumer,
                            MyJexlContext jexlContext,
                            JXPathContext jxpathContext,
                            Node node) throws SAXException {
        Parser parser = new Parser();
        DOMStreamer streamer = new DOMStreamer(parser);
        streamer.stream(node);
        execute(consumer,
                jexlContext,
                jxpathContext,
                parser.getStartEvent(), null);
    }

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         attributes.addAttribute("", RESULT_DOCID_ATTR, RESULT_DOCID_ATTR,
          " CDATA", id);
         attributes.addAttribute("", QUERY_ATTR_NAME, QUERY_ATTR_NAME, "CDATA",
           xpath);
         super.contentHandler.startElement(URI, XPATH_NODE_NAME, PREFIX + ":" + XPATH_NODE_NAME, attributes);
         DOMStreamer ds = new DOMStreamer(super.xmlConsumer);
         for (int i = 0; i < nl.getLength(); i++)
           ds.stream(nl.item(i));
         super.contentHandler.endElement(URI, XPATH_NODE_NAME, PREFIX + ":" + XPATH_NODE_NAME);
      }
    }

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            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();

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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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    private void executeDOM(final XMLConsumer consumer,
                            MyJexlContext jexlContext,
                            JXPathContext jxpathContext,
                            Node node) throws SAXException {
        Parser parser = new Parser();
        DOMStreamer streamer = new DOMStreamer(parser);
        streamer.stream(node);
        execute(consumer,
                jexlContext,
                jxpathContext,
                parser.getStartEvent(), null);
    }

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                : this.processor.selectNodeList(this.doc.getDocumentElement(), this.xpath, this.prefixResolver);
            AttributesImpl attributes = new AttributesImpl();
            attributes.addAttribute("", QUERY_ATTR_NAME, QUERY_ATTR_NAME, "CDATA", xpath);
            super.contentHandler.startElement(URI, XPATH_NODE_NAME, PREFIX + ":" + XPATH_NODE_NAME, attributes);


            DOMStreamer ds = new DOMStreamer(super.xmlConsumer);


            for (int i = 0; i < nl.getLength(); i++) {
                ds.stream(nl.item(i));
            }


            super.contentHandler.endElement(URI, XPATH_NODE_NAME, PREFIX + ":" + XPATH_NODE_NAME);
        }
    }

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