Yuri, thanks for your help. I tried your solution and I still get the
following error:
building formatting object tree
building formatting object tree
javax.xml.transform.TransformerException
at
org.apache.xalan.transformer.TransformerImpl.transformNode(TransformerImpl.j
ava:1212)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:
479)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:
1118)
at FOtoPDF.applyFop(FOtoPDF.java:127)
at FOtoPDF.main(FOtoPDF.java:40)
---------
java.lang.NullPointerException
at
org.apache.fop.fo.FOTreeBuilder.startDocument(FOTreeBuilder.java:167)
at
org.apache.xalan.transformer.QueuedStartDocument.flush(QueuedStartDocument.j
ava:108)
at
org.apache.xalan.transformer.ResultTreeHandler.flushPending(ResultTreeHandle
r.java:758)
at
org.apache.xalan.transformer.ResultTreeHandler.startElement(ResultTreeHandle
r.java:245)
at
org.apache.xalan.transformer.ResultTreeHandler.startElement(ResultTreeHandle
r.java:209)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:
704)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Transform
erImpl.java:2154)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Transform
erImpl.java:2097)
at
org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode(Transformer
Impl.java:2029)
at
org.apache.xalan.transformer.TransformerImpl.transformNode(TransformerImpl.j
ava:1189)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:
479)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:
1118)
at FOtoPDF.applyFop(FOtoPDF.java:127)
at FOtoPDF.main(FOtoPDF.java:40)
It looks very similar to the one before to me. Has anyone tried this with
v.0.20.1 yet? Should it say "building formatting object tree" twice? I'm
wondering if this is some kind of issue with namespaces and the DOM2
implementation. Anyone have any ideas?
By the way, if I use a DOMResult instead of a SAXResult I get no error. I
then serialized the DOMResult to a file and FO works fine with that file as
an input.
Thanks,
Matt
> -----Original Message-----
> From: Shkuro, Yuri [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, September 19, 2001 2:03 PM
> To: '[EMAIL PROTECTED]'
> Subject: RE: Does render(dom) actually work?
>
>
> Matt,
>
> Why don't you do it all in one pass? I have a servlet, that calls
> some bean to get XML document in a DOM format (actually JDOM), then
> registers fop driver as receiver of SAX events and runs XSLT on the
> JDOM tree.
>
> // 1. Generate XML tree
> Document xmlSummary = DataLoader.getSummary();
>
> // 2. Get stylesheet transformer
> Transformer transformer =
> transformerFactory.getTransformer(
> <xsl-file> );
>
> // 3. Create FOP driver and set rendering mode
> and output stream
> org.apache.fop.apps.Driver driver = new
> org.apache.fop.apps.Driver();
> driver.setRenderer(driver.RENDER_PDF);
> driver.setOutputStream( out );
>
> // 4. Create SAXResult based on FOP Driver
> content handler which
> will accept
> // SAX events and build FOP tree
> javax.xml.transform.sax.SAXResult saxResult =
> new javax.xml.transform.sax.SAXResult(
> driver.getContentHandler() );
>
> // 5. Use the Transformer to transform an XML
> Source and send
> the output
> // to a Result object.
> // Implicitely it will create the FOP tree by
> firing SAX events
> transformer.transform( new
> org.jdom.transform.JDOMSource( xml ),
> saxResult );
>
> YS
>
> -----Original Message-----
> From: Savino, Matt C [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, September 19, 2001 4:33 PM
> To: '[EMAIL PROTECTED]'
> Subject: Does render(dom) actually work?
>
>
> Hello everyone. By any chance can someone point me to some
> example code
> which uses render(dom)? No matter what combination of driver
> methods or Fop
> versions (.17,.19,.20.1) I use I seem to get the same error:
>
> building formatting object tree
> setting up fonts
> java.lang.NullPointerException
> at java.util.Hashtable.get(Hashtable.java:320)
> at
> org.apache.fop.fo.FOTreeBuilder.startElement(FOTreeBuilder.java:191)
> at
> org.apache.fop.tools.DocumentReader.parse(DocumentReader.java:444)
> at org.apache.fop.apps.Driver.render(Driver.java:449)
> at FOtoPDF.applyFop(FOtoPDF.java:83)
> at FOtoPDF.main(FOtoPDF.java:24)
>
> Here is the source I'm using under v.0.20.1:
> org.apache.fop.apps.Driver driver = new
> org.apache.fop.apps.Driver();
> driver.setRenderer(org.apache.fop.apps.Driver.RENDER_PDF);
> driver.setOutputStream(new FileOutputStream(pdfFilename));
> driver.setupDefaultMappings() ;
>
> driver.addElementMapping("org.apache.fop.fo.StandardElementMapping");
>
> driver.addElementMapping("org.apache.fop.svg.SVGElementMapping");
>
> driver.addElementMapping("org.apache.fop.extensions.ExtensionE
> lementMapping"
> );
> driver.render(dom);
>
> I have tried it with and without any of the mapping methods.
>
> I am building the Dom object from a file. The sax input
> handler created from
> the same file works fine in render(parser, inputSource). I
> have read through
> the dev archives and found a few suggestions but none helped.
> Is there some
> configuration I'm missing? Or did this "break a long time
> ago" as someone
> suggested in the archives?
>
> I am hoping to use FOP in a major production app, but if I
> can't solve this
> I may not be able to. I am currently receiving a DOM object
> (a small report)
> from some database access classes. I then perform an XSLT
> transform which
> outputs my FO input as another DOM object. I suppose I could
> pipe the output
> of that to SAX? I'd really rather not have to do anything klugy like
> serialize it to a stream and then feed it in as SAX. But I'll consider
> anything that doesn't cause too much of a performace hit. We
> definitely
> don't want to have temp files sitting around, for a host of reasons.
>
> Thank you very much for your help.
>
> Matt Savino
>
>
>
>
>
>
>
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