RE: Bug in transcoder.

[Cory Sanoy]

Here is a version of the code. I've inlined it for illustration purposes. 

String uRI = "http://mywebserver/batik1.5/samples/mapSpain.svg";;

//step 1 create a Document from a URI
    String parser = XMLResourceDescriptor.getXMLParserClassName();
    SAXSVGDocumentFactory f = new SAXSVGDocumentFactory(parser);
    Document document = f.createDocument(uRI);

//step 2 write it so a string...
    SVGTranscoder trans = new SVGTranscoder();
    trans.addTranscodingHint(JPEGTranscoder.KEY_QUALITY,
            new Float(.8));
    TranscoderInput input = new TranscoderInput(document);
    StringWriter writer = new StringWriter();
    TranscoderOutput output = new TranscoderOutput(writer);
    trans.transcode(input, output);
    String svgDocString = writer.toString();

//step 3 convert the string to a Document
    StringReader reader = new StringReader(svgDocString );
    String parser = XMLResourceDescriptor.getXMLParserClassName();
    SAXSVGDocumentFactory f = new SAXSVGDocumentFactory(parser);
    Document anotherDocument = f.createDocument(uRI, reader);

If I insert the code below between step 2 and step 3 then the Document
created in step 3 is correctly constructed:
    
        svgDocString  = svgDocString.replaceAll("<style
xml:space=\"preserve\" type=\"text/css\" xml:space=\"preserve\">" ,"<style
type=\"text/css\">");

if I don't insert the code above I get an error reporting that the xml:space
tag is appears more than once. 

It seems that the <style> tag has the xml:space tags added to it when it is
written to the StringWriter??? 

/Cory



-----Original Message-----
From: Vincent Hardy [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, August 21, 2002 6:28 AM
To: Batik Users
Subject: Re: Bug in transcoder.


Cory,

Could you send more details telling us what you are doing exactly with 
the transcoders?

Thanks,
Vincent.

Cory Sanoy wrote:
> I checked the bugs database and this does not seem to be listed. The
problem
> is with the transcoder. When transcoding a document with a style tag:
> 
> <style type="text/css"> 
> 
> the transcoder inserts xml:space tags into the style element:
> 
> <style xml:space="preserve" type="text/css" xml:space="preserve">
> 
> when the document is parsed back in via:  
> 
>     StringReader reader = new StringReader(docString);
>     String parser = XMLResourceDescriptor.getXMLParserClassName();
>     SAXSVGDocumentFactory f = new SAXSVGDocumentFactory(parser);
>     Document document = f.createDocument(uRI, reader);
> 
> The parser throws an exception complaining that xml:space is defined more
> than once.
> 
> To get arround the problem I simple replace the erroneous style element
with
> the original style element and the parser works correctly.
> 
> Is there a better way of doing this? Perhaps I should be using a different
> parser??
> 
> /Cory
> 
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