killy971 schrieb:
> I am using the following syntax, with Xalan, to process xml
> transformations in java:
> 
>         StreamSource xml = new StreamSource(xmlFile);
>         StreamSource xsl = new StreamSource(xslFile);
>         StreamResult out = new StreamResult(outputFile);
> 
>         TransformerFactory factory = TransformerFactory.newInstance();
>         Transformer transformer = factory.newTransformer(xsl);
>         transformer.transform(xml, out);
> 
> If the xslt sheet input is broken (invalid xml, etc.), an exception is
> thrown (fatal error occurs), but if the input xml file (file to
> transform) is broken no exception is thrown (because it is not a fatal
> error).

Parse the xmlFile with a DocumentBuilder, then pass a DOMSource with the 
resulting Document to the transform method. In case the xmlFile is not 
wellformed you'll get an Exception from the DocumentBuilder.

-- 
Johannes Koch
In te domine speravi; non confundar in aeternum.
                             (Te Deum, 4th cent.)