Hello, I'm trying to get Batik 1.7 running in Cocoon 2.2. I think I
should start from the beginning.
I'm moving from Cocoon 2.1 to 2.2 (2.2 uses maven for everything), I
created the webapp and tried to use the fop-block in cocoon but the fop
version it wants to use is 0.20.5 and batik-1.6. The problem is that
with that combination embedded SVGs wont work in fop. I downloaded the
fop-ng-block and now have a working cocoon 2.2 with fop-1.0 and batik-1.7.
My problem is that now the SVGSerializer (converts SVG to jpeg) part of
cocoon does not work. It gives me the following error:
java.lang.NullPointerException
at
org.apache.batik.dom.util.SAXDocumentFactory.startElement(SAXDocumentFactory.java:563)
.....
The problem is in this part of startElement() for some reason, parser is
null:
if (inProlog) {
inProlog = false;
try {
isStandalone =
parser.getFeature("http://xml.org/sax/features/is-standalone";);
} catch (SAXNotRecognizedException ex) {
}
try {
xmlVersion = (String)
parser.getProperty("http://xml.org/sax/properties/document-xml-version";);
} catch (SAXNotRecognizedException ex) {
}
}
I moved both trys to the createDocument(InputSource is) since it just
saves those 2 values (why are those trys in startElement and not
createDocument?).
After moving both trys thingts moved along and it crashes on the
transcoding part. The error I get is:
java.lang.ClassCastException: org.apache.batik.dom.GenericElement cannot
be cast to org.w3c.dom.svg.SVGSVGElement
the code for transcode is:
public void notify(Document doc) throws SAXException {
try {
TranscoderInput transInput = new TranscoderInput(doc);
// Buffering is done by the pipeline (See
shouldSetContentLength)
TranscoderOutput transOutput = new
TranscoderOutput(this.output);
transcoder.transcode(transInput, transOutput);
} catch (TranscoderException ex) {
...
} catch (Exception ex) {
...
}
}
after reading through a lot of posts I found one saying
DOMUtilities.deepCloneDocument would convert dom to Batik's own DOM and
do the transcode. I changed the TransocderInput constructor to this:
TranscoderInput transInput = new
TranscoderInput(DOMUtilities.deepCloneDocument(doc,SVGDOMImplementation.getDOMImplementation()));
but it still gives me the same error, so I'm officially stuck. I hope
someone here can help me, asked at the cocoon list 3 times and got no
response.
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