process.java

java1.6众多例子参考

          if (null != source)
            stylesheet = tfactory.newTemplates(source);
          else
          {
            if (null != media)
              throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_NO_STYLESHEET_IN_MEDIA, new Object[]{inFileName, media})); //"No stylesheet found in: "
                                            // + inFileName + ", media="
                                            // + media);
            else
              throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_NO_STYLESHEET_PI, new Object[]{inFileName})); //"No xml-stylesheet PI found in: "
                                             //+ inFileName);
          }
        }

        if (null != stylesheet)
        {
          Transformer transformer = flavor.equals("th") ? null : stylesheet.newTransformer();
          transformer.setErrorListener(new DefaultErrorHandler());

          // Override the output format?
          if (null != outputType)
          {
            transformer.setOutputProperty(OutputKeys.METHOD, outputType);
          }

          // J2SE does not support Xalan interpretive
          /*
          if (transformer instanceof com.sun.org.apache.xalan.internal.transformer.TransformerImpl)
          {
            com.sun.org.apache.xalan.internal.transformer.TransformerImpl impl = (com.sun.org.apache.xalan.internal.transformer.TransformerImpl)transformer;
            TraceManager tm = impl.getTraceManager();

            if (null != tracer)
              tm.addTraceListener(tracer);

            impl.setQuietConflictWarnings(quietConflictWarnings);

			// This is currently controlled via TransformerFactoryImpl.
            if (useSourceLocation)
              impl.setProperty(XalanProperties.SOURCE_LOCATION, Boolean.TRUE);

	    if(recursionLimit>0)
	      impl.setRecursionLimit(recursionLimit);

            // sc 28-Feb-01 if we re-implement this, please uncomment helpmsg in printArgOptions
            // impl.setDiagnosticsOutput( setQuietMode ? null : diagnosticsWriter );
          }
          */

          int nParams = params.size();

          for (int i = 0; i < nParams; i += 2)
          {
            transformer.setParameter((String) params.elementAt(i),
                                     (String) params.elementAt(i + 1));
          }

          if (uriResolver != null)
            transformer.setURIResolver(uriResolver);

          if (null != inFileName)
          {
            if (flavor.equals("d2d"))
            {

              // Parse in the xml data into a DOM
              DocumentBuilderFactory dfactory =
                DocumentBuilderFactory.newInstance();

              dfactory.setCoalescing(true);
              dfactory.setNamespaceAware(true);

              if (isSecureProcessing)
              {
                try
                {
                  dfactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
                }
                catch (ParserConfigurationException pce) {}
              }

              DocumentBuilder docBuilder = dfactory.newDocumentBuilder();

              if (entityResolver != null)
                docBuilder.setEntityResolver(entityResolver);

              Node xmlDoc = docBuilder.parse(new InputSource(inFileName));
              Document doc = docBuilder.newDocument();
              org.w3c.dom.DocumentFragment outNode =
                doc.createDocumentFragment();

              transformer.transform(new DOMSource(xmlDoc, inFileName),
                                    new DOMResult(outNode));

              // Now serialize output to disk with identity transformer
              Transformer serializer = stf.newTransformer();
              serializer.setErrorListener(new DefaultErrorHandler());
              
              Properties serializationProps =
                stylesheet.getOutputProperties();

              serializer.setOutputProperties(serializationProps);

              if (contentHandler != null)
              {
                SAXResult result = new SAXResult(contentHandler);

                serializer.transform(new DOMSource(outNode), result);
              }
              else
                serializer.transform(new DOMSource(outNode), strResult);
            }
            else if (flavor.equals("th"))
            {
              for (int i = 0; i < 1; i++) // Loop for diagnosing bugs with inconsistent behavior
              {
              // System.out.println("Testing the TransformerHandler...");

              XMLReader reader = null;

              // Use JAXP1.1 ( if possible )      
              try
              {
                javax.xml.parsers.SAXParserFactory factory =
                  javax.xml.parsers.SAXParserFactory.newInstance();

                factory.setNamespaceAware(true);

                if (isSecureProcessing)
                {
                  try
                  {
                    factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
                  }
                  catch (org.xml.sax.SAXException se) {}
                }

                javax.xml.parsers.SAXParser jaxpParser =
                  factory.newSAXParser();

                reader = jaxpParser.getXMLReader();
              }
              catch (javax.xml.parsers.ParserConfigurationException ex)
              {
                throw new org.xml.sax.SAXException(ex);
              }
              catch (javax.xml.parsers.FactoryConfigurationError ex1)
              {
                throw new org.xml.sax.SAXException(ex1.toString());
              }
              catch (NoSuchMethodError ex2){}
              catch (AbstractMethodError ame){}

              if (null == reader)
              {
                reader = XMLReaderFactory.createXMLReader();
              }

              // J2SE does not support Xalan interpretive
              /*              
              if (!useXSLTC)
                stf.setAttribute(com.sun.org.apache.xalan.internal.processor.TransformerFactoryImpl.FEATURE_INCREMENTAL, 
                   Boolean.TRUE);
              */
                 
              TransformerHandler th = stf.newTransformerHandler(stylesheet);
              
              reader.setContentHandler(th);
              reader.setDTDHandler(th);
              
              if(th instanceof org.xml.sax.ErrorHandler)
                reader.setErrorHandler((org.xml.sax.ErrorHandler)th);
              
              try
              {
                reader.setProperty(
                  "http://xml.org/sax/properties/lexical-handler", th);
              }
              catch (org.xml.sax.SAXNotRecognizedException e){}
              catch (org.xml.sax.SAXNotSupportedException e){}
              try
              {
                reader.setFeature("http://xml.org/sax/features/namespace-prefixes",
                                  true);
              } catch (org.xml.sax.SAXException se) {}
        
              th.setResult(strResult);
              
              reader.parse(new InputSource(inFileName));
              }                            
            }
            else
            {
              if (entityResolver != null)
              {
                XMLReader reader = null;

                // Use JAXP1.1 ( if possible )      
                try
                {
                  javax.xml.parsers.SAXParserFactory factory =
                    javax.xml.parsers.SAXParserFactory.newInstance();

                  factory.setNamespaceAware(true);

                  if (isSecureProcessing)
                  {
                    try
                    {
                      factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
                    }
                    catch (org.xml.sax.SAXException se) {}
                  }

                  javax.xml.parsers.SAXParser jaxpParser =
                    factory.newSAXParser();

                  reader = jaxpParser.getXMLReader();
                }
                catch (javax.xml.parsers.ParserConfigurationException ex)
                {
                  throw new org.xml.sax.SAXException(ex);
                }
                catch (javax.xml.parsers.FactoryConfigurationError ex1)
                {
                  throw new org.xml.sax.SAXException(ex1.toString());
                }
                catch (NoSuchMethodError ex2){}
                catch (AbstractMethodError ame){}

                if (null == reader)
                {
                  reader = XMLReaderFactory.createXMLReader();
                }

                reader.setEntityResolver(entityResolver);

                if (contentHandler != null)
                {
                  SAXResult result = new SAXResult(contentHandler);

                  transformer.transform(
                    new SAXSource(reader, new InputSource(inFileName)),
                    result);
                }
                else
                {
                  transformer.transform(
                    new SAXSource(reader, new InputSource(inFileName)),
                    strResult);
                }
              }
              else if (contentHandler != null)
              {
                SAXResult result = new SAXResult(contentHandler);

                transformer.transform(new StreamSource(inFileName), result);
              }
              else
              {
                // System.out.println("Starting transform");
                transformer.transform(new StreamSource(inFileName),
                                      strResult);
                // System.out.println("Done with transform");
              }
            }
          }
          else
          {
            StringReader reader =
              new StringReader("<?xml version=\"1.0\"?> <doc/>");

            transformer.transform(new StreamSource(reader), strResult);
          }
        }
        else
        {
//          "XSL Process was not successful.");
            msg = XSLMessages.createMessage(
                XSLTErrorResources.ER_NOT_SUCCESSFUL, null);
          diagnosticsWriter.println(msg);  
          doExit(msg);
        }
        
	// close output streams
	if (null != outFileName && strResult!=null)
	{
   	  java.io.OutputStream out = strResult.getOutputStream();
   	  java.io.Writer writer = strResult.getWriter();
   	  try
   	  {
      	    if (out != null) out.close();
      	    if (writer != null) writer.close();
   	  }
   	  catch(java.io.IOException ie) {}
	}        

        long stop = System.currentTimeMillis();
        long millisecondsDuration = stop - start;

        if (doDiag)
        {
        	Object[] msgArgs = new Object[]{ inFileName, xslFileName, new Long(millisecondsDuration) };
            msg = XSLMessages.createMessage("diagTiming", msgArgs);
        	diagnosticsWriter.println('\n');
          	diagnosticsWriter.println(msg);
        }
          
      }
      catch (Throwable throwable)
      {
        while (throwable
               instanceof com.sun.org.apache.xml.internal.utils.WrappedRuntimeException)
        {
          throwable =
            ((com.sun.org.apache.xml.internal.utils.WrappedRuntimeException) throwable).getException();
        }

        if ((throwable instanceof NullPointerException)
                || (throwable instanceof ClassCastException))
          doStackDumpOnError = true;

        diagnosticsWriter.println();

        if (doStackDumpOnError)
          throwable.printStackTrace(dumpWriter);
        else
        {
          DefaultErrorHandler.printLocation(diagnosticsWriter, throwable);
          diagnosticsWriter.println(
            XSLMessages.createMessage(XSLTErrorResources.ER_XSLT_ERROR, null)
            + " (" + throwable.getClass().getName() + "): "
            + throwable.getMessage());
        }

        // diagnosticsWriter.println(XSLMessages.createMessage(XSLTErrorResources.ER_NOT_SUCCESSFUL, null)); //"XSL Process was not successful.");
        if (null != dumpFileName)
        {
          dumpWriter.close();
        }

        doExit(throwable.getMessage());
      }

      if (null != dumpFileName)
      {
        dumpWriter.close();
      }

      if (null != diagnosticsWriter)
      {

        // diagnosticsWriter.close();
      }

      // if(!setQuietMode)
      //  diagnosticsWriter.println(resbundle.getString("xsldone")); //"Xalan: done");
      // else
      // diagnosticsWriter.println("");  //"Xalan: done");
    }
  }
  
  /** It is _much_ easier to debug under VJ++ if I can set a single breakpoint 
   * before this blows itself out of the water...
   * (I keep checking this in, it keeps vanishing. Grr!)
   * */
  static void doExit(String msg)
  {
    throw new RuntimeException(msg);
  }
  
  /**
   * Wait for a return key to continue
   * 
   * @param resbundle The resource bundle
   */
  private static void waitForReturnKey(ResourceBundle resbundle)
  {
    System.out.println(resbundle.getString("xslProc_return_to_continue"));
    try
    {
      while (System.in.read() != '\n');
    }
    catch (java.io.IOException e) { }  
  }
  
  /**
   * Print a message if an option cannot be used with -XSLTC.
   *
   * @param option The option String
   */
  private static void printInvalidXSLTCOption(String option)
  {
    System.err.println(XSLMessages.createMessage("xslProc_invalid_xsltc_option", new Object[]{option}));
  }
  
  /**
   * Print a message if an option can only be used with -XSLTC.
   *
   * @param option The option String
   */
  private static void printInvalidXalanOption(String option)
  {
    System.err.println(XSLMessages.createMessage("xslProc_invalid_xalan_option", new Object[]{option}));
  }
}