Team,
For internal xml/xslt -> fo translation, we are
currently using XSLTInputHandler in three places:
CommandLineOptions, FopPrintServlet and
TestConverter.java. (TraxInputHandler isn't being
used internally.) I would like us to switch from
XSLTInputHandler to JAXP.
For CommandLineOptions, I am thinking of converting
the getInputHandler() to always return an
FOInputHandler() as follows:
public InputHandler getInputHandler() throws
FOPException {
switch (inputmode) {
case FO_INPUT:
return new FOInputHandler(fofile);
case XSLT_INPUT:
// begin new lines
ByteArrayOutputStream baos = new
ByteArrayOutputStream();
TransformerFactory tFactory =
TransformerFactory.newInstance();
Transformer transformer =
tFactory.newTransformer
(new StreamSource(xsltfile);
transformer.transform(new
StreamSource(xmlfile),
new StreamResult(baos));
byte bytes[] = baos.toByteArray();
ByteArrayInputStream bais = new
ByteArrayInputStream(bytes);
return new FOInputHandler(bais);
// end new lines
// return new XSLTInputHandler(xmlfile,
xsltfile);
default:
return new FOInputHandler(fofile);
}
FOInputHandler, in turn, will be modified to take a
ByteArrayInputStream in addition to its current
capability of URL's and Files:
public InputSource getInputSource() {
if (fofile != null) {
return super.fileInputSource(fofile);
}
else if (foURL != null) {
return super.urlInputSource(foURL);
}
return streamInputSource(foStream); // new line
}
>From here, code proceeds normally (works because
Driver can handle different types of InputSources,
including streamInputSources, already.) I've tested
it locally, it works well. I would next make similar
changes to FopPrintServlet (which already has a TODO
to get rid of XSLTInputHandler anyway) and
TestConverter.java as well.
Here is my +1.
Thanks,
Glen
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