Hi, Bob,
you can do it but FOP isn't exactly optimized for your problem.
You'll have to do the following steps:
1. Create an XSL transformer factory:
TransformerFactory tfactory = TransformerFactory.newInstance();
2. Create a transformer with your XSL string source:
Transformer transformer = tfactory.newTransformer(
new StreamSource(new StringReader(xslString)));
3. Create a FOP driver, set any parameters you want.
Driver driver=new Driver();
driver.setRenderer(Driver.RENDER_PDF);
driver.setOutputStream(outStream);
4. Invoke the transform() method of the transformer,
supplying the XML string as a source and the FOP driver
as the result:
transformer.transform(new StreamSource(
new StringReader(xmlString)),
new SAXResult(driver.getContentHandler));
Look at java.xml.transform (from the Xalan or j2ee distribution)
for details about creating and invoking Transformers and dealing
with ErrorListener stuff.
BTW you can save a great deal of memory and processor capacity
if you can get your program parts to communicate via SAX events
instead of strings.
You'll need a FOP 0.20.2 distribution for doing the above.
All untested, as i'm using something more convoluted due to
FOP 0.20.1 legacy. HTH anyway.
Joerg Pietschmann
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