Hi Cybernd,
Cybernd wrote:
The Exception itself is thrown at:
public SVGSVGElement getRootElement() {
return (SVGSVGElement)getDocumentElement();
}
Inside class SVGOMDocument
It seems like getDocumentElement() returns a node from the type
org.apache.batik.dom.GenericElement, which getRootElement() tries to
cast to the Interface org.w3c.dom.svg.SVGSVGElement
The root element of an SVGDocument must always be an 'svg'
element in the svg namespace. My suspicion given that writing
to a string and reparsing works is that while you have an 'svg'
element it is not in the svg namespace (although it may have an
appropriate xmlns attribute).
This would indicate to me that the jdom part of the code isn't
working quite right but since I don't know anything about jdom I
can't provide pointers to how namespaces are supposed to be associated
with elements. Perhaps someone with more knowledge of jdom can
help you here.
The GenericElement node contains the rootElement of my dom Document (the
svg element of my document). It is the second time
SVGOMDocument#getRootElement() is called.
====
The Exception itself:
java.lang.ClassCastException
at
org.apache.batik.dom.svg.SVGOMDocument.getRootElement(SVGOMDocument.java:252)
at
org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(SVGAbstractTranscoder.java:223)
at
org.apache.batik.transcoder.image.ImageTranscoder.transcode(ImageTranscoder.java:122)
at
org.apache.batik.transcoder.XMLAbstractTranscoder.transcode(XMLAbstractTranscoder.java:174)
at
org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(SVGAbstractTranscoder.java:188)
(I recompiled todays cvs snapshot with debug = on)
====
I tried to find a workaround because im not sure if the problem itself
has its cause inside my document structure.
I simply converted the same jdom Document to a string and delivered this
String by mean of class StringReader into the TranscoderInput.
StringReader logoReader = new StringReader(jdomString);
TranscoderInput input = new TranscoderInput(logoReader);
This attempt work proper and batik is able to render the tiff without
problems.
===
So has someone an idea? Is it my own fault or is there some kind of Bug
inside Batik?
I tried it with a one hour old batik cvs snapshot. Running on suns jsdk
1.4.2_03 on a Windows XP Sp1 machine.
Regards
Neuhauser Bernhard
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