Examples of org.apache.xalan.stree.SourceTreeHandler

org.apache.xalan.stree.SourceTreeHandler
This class handles SAX2 parse events to create a source tree for transformation.


      this.m_exceptionThrown = null;


      if (inputHandler instanceof SourceTreeHandler)
      {
        SourceTreeHandler sth = (SourceTreeHandler) inputHandler;


        sth.setInputSource(source);
        sth.setUseMultiThreading(true);


        Node doc = sth.getRoot();


        if (null != doc)
        {
          SourceTreeManager stm = getXPathContext().getSourceTreeManager();
          stm.putDocumentInCache(doc, source);

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  public ContentHandler getInputContentHandler(boolean doDocFrag)
  {


    if (null == m_inputContentHandler)
    {
      m_inputContentHandler = new SourceTreeHandler(this, doDocFrag);
      ((SourceTreeHandler)m_inputContentHandler).setUseMultiThreading(true);
    }


    return m_inputContentHandler;
  }

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    // If this is an Stree instance, handle it with SourceTreeHandler
    // and bypass the whole DOM process.
    boolean isSTree = (sourceNode instanceof org.apache.xalan.stree.Child);
    if (isSTree)
    {      
      rtfHandler = new SourceTreeHandler(this, true);
      ((SourceTreeHandler)rtfHandler).setUseMultiThreading(false);
      ((SourceTreeHandler)rtfHandler).setShouldTransformAtEnd(false);
      // Create a ResultTreeFrag object.
      resultFragment = (DocumentFragment)((SourceTreeHandler)rtfHandler).getRoot();
      // ((org.apache.xalan.stree.DocumentFragmentImpl)resultFragment).setComplete(true);

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//      e.printStackTrace();
//    }
      
    if (m_inputContentHandler instanceof SourceTreeHandler)
    {
      SourceTreeHandler sth = (SourceTreeHandler) m_inputContentHandler;


      sth.setExceptionThrown(e);
    }
    ContentHandler ch = getContentHandler();
    if(ch instanceof SourceTreeHandler)
    {
      SourceTreeHandler sth = (SourceTreeHandler) ch;
      ((TransformerImpl)(sth.getTransformer())).postExceptionFromThread(e);
    }


    m_isTransformDone = true;
    m_exceptionThrown = e;
    ;  // should have already been reported via the error handler?

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      // System.out.println("reading: "+source.getSystemId());
      XMLReader reader = getXMLReader(source, locator);


      // TODO: Need to use factory of some kind to create the ContentHandler
      // (Also, try using JAXP if need be...)
      ContentHandler handler = new SourceTreeHandler();


      if (handler instanceof org.apache.xalan.stree.SourceTreeHandler)
      {


        // temp hack

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          // Get the input content handler, which will handle the 
          // parse events and create the source tree.          
          //StylesheetHandler inputHandler = (StylesheetHandler)m_processor.getTemplatesBuilder();
          //reader.setContentHandler( inputHandler );
          
          SourceTreeHandler handler = new SourceTreeHandler();
          reader.setContentHandler(handler);
          reader.setProperty("http://xml.org/sax/properties/lexical-handler", handler);
        
          // Kick off the parse.  When the ContentHandler gets 
          // the startDocument event, it will call transformNode( node ).
          reader.parse( SAXSource.sourceToInputSource(iSource));
          sourceTree = handler.getRoot();
        }
      }
      catch(Exception e)
      {
        // Unwrap exception

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   * Set the output stream. Required when the XSLTProcessor is being used
   * as a SAX DocumentHandler.
   */
  public void setOutputStream(java.io.OutputStream os)
  {
    SourceTreeHandler handler = new SourceTreeHandler(m_transformerImpl);
    handler.setResult(new StreamResult(os));   
  }

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          // Get the input content handler, which will handle the 
          // parse events and create the source tree.          
          //StylesheetHandler inputHandler = (StylesheetHandler)m_processor.getTemplatesBuilder();
          //reader.setContentHandler( inputHandler );
          
          SourceTreeHandler handler = new SourceTreeHandler();
          reader.setContentHandler(handler);
          reader.setProperty("http://xml.org/sax/properties/lexical-handler", handler);
        
          // Kick off the parse.  When the ContentHandler gets 
          // the startDocument event, it will call transformNode( node ).
          reader.parse( SAXSource.sourceToInputSource(iSource));
          sourceTree = handler.getRoot();
        }
      }
      catch(Exception e)
      {
        // Unwrap exception

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   * Set the output stream. Required when the XSLTProcessor is being used
   * as a SAX DocumentHandler.
   */
  public void setOutputStream(java.io.OutputStream os)
  {
    SourceTreeHandler handler = new SourceTreeHandler(m_transformerImpl);
    handler.setResult(new StreamResult(os));   
  }

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      this.m_exceptionThrown = null;


      if (inputHandler instanceof SourceTreeHandler)
      {
        SourceTreeHandler sth = (SourceTreeHandler) inputHandler;


        sth.setInputSource(source);
        sth.setUseMultiThreading(true);


        Node doc = sth.getRoot();


        if (null != doc)
        {
          SourceTreeManager stm = getXPathContext().getSourceTreeManager();
          stm.putDocumentInCache(doc, source);

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org.apache.xalan.transformer.TransformerImpl

org.apache.xalan.xslt.XSLTEngineImpl

org.apache.xpath.SourceTreeManager

org.apache.xpath.XPathContext

org.xml.sax.ContentHandler

javax.xml.transform.stream.StreamSource

org.w3c.dom.Node

java.util.Enumeration

java.util.Properties

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