Examples of de.danet.an.util.sax.SAXContentBuffer

de.danet.an.util.sax.SAXContentBuffer
This class provides a buffer for SAX content events. The events reported to an instance of this class are internally recorded. After recording, the events may be played back an arbitrary number of times.
The class implements {@link Serializable Serializable}. An instance of this class may thus be transferred to another process and the SAX events may be replayed there.
This implementation uses code from Apache's XMLByteStreamCompiler and associated interpreter. @author @version $Revision: 2326 $

  
    /**
     * Test
     */
    public void saxContentBuf1() throws Exception {
  SAXContentBuffer buf = new SAXContentBuffer ();
  final String ts1 = "Hello world!";
  StringBuffer ts2 = new StringBuffer ();
  for (int i = 0; i < 5000; i++) {
      ts2.append ("0123456789");
  }
  assertTrue (ts2.length() == 50000);


  buf.characters (ts1.toCharArray(), 0, ts1.toCharArray().length);
  buf.characters (ts2.toString().toCharArray(), 0, 
      ts2.toString().toCharArray().length);


  final String[] res = new String[2];
  buf.emit (new DefaultHandler () {
    public void characters (char[] ch, int start, int length)
        throws SAXException {
        if (res[0] == null) {
      res[0] = new String (ch, start, length);
        } else {

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    /**
     * Test
     */
    public void saxContentBuf2() throws Exception {
  SAXContentBuffer buf = new SAXContentBuffer ();
  XMLReader reader = getReader();
  reader.setContentHandler(buf);
  reader.parse 
      (new InputSource 
       (Sax.class.getResourceAsStream("/util/testXPDL.xml")));
  XMLStreamReader rdr = buf.createXMLStreamReader();
  int event = 0;
  int sees = 0;
  int eees = 0;
  while (rdr.hasNext()) {
      event = rdr.next ();

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    /**
     * Test
     */
    public void saxContentBuf3() throws Exception {
  SAXContentBuffer buf = new SAXContentBuffer ();
  XMLReader reader = getReader();
  reader.setContentHandler(buf);
  reader.parse 
      (new InputSource 
       (Sax.class.getResourceAsStream("/util/simpleSample.xml")));
  assertTrue (buf.toString(), 
        buf.toString().equals ("<body><item/></body>"));
   }

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        xr = spf.newSAXParser().getXMLReader();
    } catch (SAXException e) {
        xr = new XmlnsUrisPatcher 
      (spf.newSAXParser().getXMLReader());
    }
    SAXContentBuffer seb = new SAXEventBufferImpl ();
    XMLFilterImpl filter = new XMLFilterImpl () {
      private int level = 0;
      public void startElement
          (String uri, String localName, String qName,
           Attributes atts) throws SAXException {
          if (level > 0) {
        super.startElement (uri,localName,qName,atts);
          }
          level += 1;
      }
      public void endElement
          (String uri, String localName, String qName)
          throws SAXException{
          level -= 1;
          if (level > 0) {
        super.endElement (uri, localName, qName);
          }
      }
        };
    filter.setContentHandler (seb);
    xr.setContentHandler (filter);
    xr.parse (new InputSource
        (new StringReader
         ("<temporary-root>" + valueElem.getText()
          + "</temporary-root>")));
    seb.pack();
    return seb;
      } catch (ParserConfigurationException e) {
    throw new IllegalArgumentException
        ("Error initiliazing schema type: " + e.getMessage ());
      } catch (SAXException e) {

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            WfRequester cont = new DefaultRequester(workflowService());
            Process process = (Process)createProcess
                ("actParamTests", "testE4xActParam", cont);
            process.start();
            assertTrue (stateReached (process, "closed.completed"));
            SAXContentBuffer res = (SAXContentBuffer)
                process.processContext().get ("result");
            Node resRoot = res.toW3cDom();
            Node fc = resRoot.getFirstChild();
            assertTrue (fc.toString(), fc.getLocalName().equals("Hello"));
            Node child = fc.getFirstChild();
            String data = "";
            do {

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            ProcessMgr pmgr = procDefDir.processMgr ("jstests", "testReplacer");
            WfProcess process 
                = pmgr.createProcess(new DefaultRequester (workflowService));
            process.start();
            assertTrue (stateReached (process, "closed.completed"));
            SAXContentBuffer xmlRes = (SAXContentBuffer)
                process.processContext().get("XMLResult");
            Node resRoot = xmlRes.toW3cDom();
            Node fc = resRoot.getFirstChild();
            assertTrue (fc.toString(), fc.getLocalName().equals("Item"));
            assertTrue (fc.getAttributes().getNamedItem("Id")
                        .getNodeValue().equals("Start"));
            assertTrue (process.processContext().get("Result").equals("Test"));

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