list4xt : Mailing list for the XT users community.

[list4xt] Re: Output as a string

User: Website

New Message
• Reply
• Next message: Xu, Xiaocun: "[list4xt] Output non-XML string"
• Previous message: Michael Neumueller: "[list4xt] Output as a string"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

A working, complete example of String output..basically a modified copy of
com.jclark.xsl.sax.Driver.java...

import com.jclark.xsl.sax.*;
import org.xml.sax.*;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.File;
import java.io.FileDescriptor;
import java.net.URL;
import java.io.*;

public class MyTransformer {
        
  static class ErrorHandlerImpl implements ErrorHandler {
    public void warning(SAXParseException e) {
      printSAXParseException(e);
    }
    public void error(SAXParseException e) {
      printSAXParseException(e);
    }
    public void fatalError(SAXParseException e) throws SAXException {
      throw e;
    }
  }

// my modifications to Driver.java start here
public String transform(String s, String xslURL)
  throws java.io.IOException
{
    XSLProcessorImpl xsl = new XSLProcessorImpl();
    setParser(xsl);
    xsl.setErrorHandler(new ErrorHandlerImpl());

    OutputMethodHandlerImpl outputMethodHandler = new
OutputMethodHandlerImpl(xsl);
    xsl.setOutputMethodHandler(outputMethodHandler);

    InputSource in = new InputSource( new StringReader(s) );

    InputSource stylesheet = new InputSource(xslURL);

    Destination out = new OutputStreamDestination( new
ByteArrayOutputStream() );
    outputMethodHandler.setDestination(out);

    transform(xsl, stylesheet, in);

    return new String (out.getOutputStream("","").toString() );
 
  }
// my modifications to Driver.java end here

static boolean transform(XSLProcessor xsl,
                           InputSource stylesheetSource,
                           InputSource inputSource) {
    try {
      xsl.loadStylesheet(stylesheetSource);
      xsl.parse(inputSource);
      return true;
    }
    catch (SAXParseException e) {
      printSAXParseException(e);
    }
    catch (SAXException e) {
      System.err.println(e.getMessage());
    }
    catch (IOException e) {
      System.err.println(e.toString());
    }
    return false;
  }

  static void printSAXParseException(SAXParseException e) {
    String systemId = e.getSystemId();
    int lineNumber = e.getLineNumber();
    if (systemId != null)
      System.err.print(systemId + ":");
    if (lineNumber >= 0)
      System.err.print(lineNumber + ":");
    if (systemId != null || lineNumber >= 0)
      System.err.print(" ");
    System.err.println(e.getMessage());
  }

  static void setParser(XSLProcessorImpl xsl) {
    String parserClass = System.getProperty("com.jclark.xsl.sax.parser");
    if (parserClass == null)
      parserClass = System.getProperty("org.xml.sax.parser");
    if (parserClass == null)
      parserClass = "com.jclark.xml.sax.CommentDriver";
    try {
      Object parserObj = Class.forName(parserClass).newInstance();
      if (parserObj instanceof XMLProcessorEx)
        xsl.setParser((XMLProcessorEx)parserObj);
      else
        xsl.setParser((Parser)parserObj);
      return;
    }
    catch (ClassNotFoundException e) {
      System.err.println(e.toString());
    }
    catch (InstantiationException e) {
      System.err.println(e.toString());
    }
    catch (IllegalAccessException e) {
      System.err.println(e.toString());
    }
    catch (ClassCastException e) {
      System.err.println(parserClass + " is not a SAX driver");
    }
    System.exit(1);
  }

  /**
   * Generates an <code>InputSource</code> from a file name.
   */
  static public InputSource fileInputSource(String str) {
    return fileInputSource(new File(str));
  }

  static public InputSource fileInputSource(File file) {
    String path = file.getAbsolutePath();
    String fSep = System.getProperty("file.separator");
    if (fSep != null && fSep.length() == 1)
      path = path.replace(fSep.charAt(0), '/');
    if (path.length() > 0 && path.charAt(0) != '/')
      path = '/' + path;
    try {
      return new InputSource(new URL("file", "", path).toString());
    }
    catch (java.net.MalformedURLException e) {
      /* According to the spec this could only happen if the file
         protocol were not recognized. */
      throw new Error("unexpected MalformedURLException");
    }
  }

}

--
Mailing list for the XT users community.     (http://public-root.com)
(mailto:list4xt-request@4xt.org?Subject=unsubscribe to unsubscribe)

• Next message: Xu, Xiaocun: "[list4xt] Output non-XML string"
• Previous message: Michael Neumueller: "[list4xt] Output as a string"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]