Re: Having trouble getting number-columns-spanned to work

Mike Trotman Sun, 08 May 2005 07:28:32 -0700

Hi Richard.

I use the servlet supplied with FOP (in <fopdir>/examples/servlet/build/fop.war) and it works fine. I'm afraid my Java familiarity is very basic - so can't comment on your code.

I use Apache 1.3.27 and Tomcat 5.0.28 and jdk_1_5_0_2

If you are processing an FO file that works fine under FOP 0.20.5 are you doing anything in your code that would strip attributes off your <fo:table-cell>? (as your example has no attributes on any other table-cells - and the produced PDF is what you would get if the 'spanned' attributes were not present)

Richard Mixon (qwest) wrote:

Mike Trotman wrote:

Your FO code works correctly in my version fo FOP 0.20.5 - the separator rows span 6 columns.
I used the commandline:
fop.sh -fo span.fo -pdf span.pdf.
As you have a variable for your report header - this suggests to me that you are doing other processing before you actually produce final output?

I use tables and spanning rows / columns almost every day - and have never hit any problems with FOP 0.20.5. *There are other problems with tables - but not with cols/rows spanned.)

I've always downloaded the binary installations - so have never built FOP from source. I use it on RedHat 7.3 and Fedora Core 2

Below is the output if I use 'fop.sh -fo span.fo -txt span.txt' What do you get on your system?

Mike,

Thank you for checking this out. Basically I am using a 2004/05/29 build
of FOP and invoking it from a servlet using Tomcat 5.5.7 and Sun JDK 1.5
sp1. With with FOP 0.20.5 from the command line it works fine.

And yes, I am doing some processing using JSP/JSTL to generate the
documents. It is a database report. For problem resolution I tried to
reduce it to a simple FO document without the JSP/JSTL  - but obviously
missed a couple of statements. Thanks for noticing - however it still
processes fine with FOP 0.20.5.

If you know anything about invoking FOP from a servlet, could you take a
look at the code below and see if anything appears out of place?  I had
been using this to process SVG diagrams (wrapped with FO statements of
course) into PDF for quite a while with no problem. This is my first
attempt using a straight FO document - but did not believe it should be
a problem.

I have also attached the PDF I get as output - but I am not sure if it
will make it through the list processing, even though its tiny.

Thank you once again - Richard


<!-- BEGIN FROM servlet ini method, run once at startup -->
       logger = new ConsoleLogger(ConsoleLogger.LEVEL_DEBUG);
       transFactory = TransformerFactory.newInstance();
       imageURLProtocol = getInitParameter("imageURLProtocol");
       String httpBaseDir = ".";
       String baseDir =
this.getServletContext().getRealPath(httpBaseDir);
       userAgent = new FOUserAgent();
       userAgent.setBaseURL(imageURLProtocol+baseDir);
<!-- END   FROM servlet ini method, run once at startup -->

<!-- BEGIN FROM servlet doGet method, run once per file I process -->
       String contentFO = (String)session.getAttribute(attrName);
       String title;
       String wrappedContent = contentFO.trim();

       StringReader sr = new StringReader( wrappedContent );
       Source inSrc = new StreamSource(sr);
       String pdfOutName = null;
       FileOutputStream pdfOut = null;

       try {
           Transformer transformer = transFactory.newTransformer();
           pdfOutName =
FileUtil.getUserOutputFileName(null,".pdf",request);
           File tempDir =
(File)request.getSession().getServletContext().getAttribute("javax.servl
et.context.tempdir");
           File pdfOutFile = new File(
tempDir.getPath()+File.separator+pdfOutName );
           pdfOutFile.createNewFile();
           pdfOut = new FileOutputStream( pdfOutFile );
           Driver driver = new Driver();
           driver.setRenderer(Driver.RENDER_PDF);
           driver.setUserAgent(userAgent);
           driver.initialize();
           driver.setOutputStream(pdfOut);

           //Make sure the XSL transformation's result is piped through
to FOP
           Result res = new SAXResult(driver.getContentHandler());

//Start the transformation and rendering process transformer.transform(inSrc, res); driver.reset(); pdfOut.flush(); pdfOut.close(); } catch (Exception ex) { ex.printStackTrace(); throw new ServletException(ex); } finally { File pdfFile = new File( pdfOutName ); }  <SNIP>

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Re: Having trouble getting number-columns-spanned to work

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