Hello all
On Wed, 20 May 2009 11:17:42 +0100
Vincent Hennebert <[email protected]> wrote:
> Are you sure you closed any applicable stream properly? That___s the
> only thing I can think of and might explain why it___s working on some
> platforms and not others.
Yes, I do.
But I guess I found the problem. Although no solution yet (looking for
comments).
I changed to encoding in the Transformer and the ByteArrayOutputStream to
UTF-8. With this change I have an empty PDF on my development system as
well. When I change back to Charset.defaultCharset which is ISO-8859-1 on
this system, the PDF contains text again.
Now I currently have no access to the other systems to test. But I guess
that is my problem.
What I don't understand is why when changing the encoding to UTF-8 I do
not get any text? IMHO that should work? Or is there a third object in my
transformation which needs to have the encoding set? What I do is this:
private ResourceStreamRequestTarget convertFO2PDF(String strFO, String
strAuthor, String strTitle) {
ByteArrayOutputStream out = new ByteArrayOutputStream();
StringReader sr = new StringReader(strFO);
// String strEncoding = "UTF-8";
String strEncoding = Charset.defaultCharset().name();
LOG.info(MessageFormat.format("Default charset: {0}",
Charset.defaultCharset())); LOG.info(MessageFormat.format("Chosen
charset: {0}", strEncoding));
LOG.info(MessageFormat.format("Available charsets: {0}",
Charset.availableCharsets()));
try
{
FopFactory fopFactory = FopFactory.newInstance();
FOUserAgent foUserAgent = fopFactory.newFOUserAgent();
// configure foUserAgent as desired
foUserAgent.setCreator("Gozer.FOP");
foUserAgent.setAuthor(strAuthor);
foUserAgent.setTitle(strTitle);
foUserAgent.setCreationDate(new Date());
// TODO: load a config for the fopFactory
// Construct fop with desired output format
Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF,
foUserAgent, out);
// Setup JAXP using identity transformer
TransformerFactory factory = TransformerFactory.newInstance();
Transformer transformer = factory.newTransformer(); //
identity transformer
// Setup input stream
Source src = new StreamSource(sr);
// Resulting SAX events (the generated FO) must be piped
through to FOP Result res = new
SAXResult(fop.getDefaultHandler());
transformer.setErrorListener(new
FopTransformerErrorListener());
transformer.setOutputProperty(OutputKeys.ENCODING, strEncoding);
// Start XSLT transformation and FOP processing
System.setProperty("java.awt.headless", "true");
LOG.info("Headless mode before FOPing: " +
GraphicsEnvironment.isHeadless());
transformer.transform(src, res);
}
catch (Exception e)
{
LOG.error(MessageFormat.format("FOP transformation crashed:
{0}", e.getLocalizedMessage())); }
finally
{
try
{
out.close();
sr.close();
}
catch (Exception e)
{
LOG.error(MessageFormat.format("FOP transformation
finalisation crashed: {0}", e.getLocalizedMessage())); }
}
ResourceStreamRequestTarget ret = null;
try
{
// MimeConstants.MIME_PDF; // MimeConstants.MIME_RTF
ret = new ResourceStreamRequestTarget(new
StringResourceStream(out.toString(strEncoding), MimeConstants.MIME_PDF));
} catch(UnsupportedEncodingException e)
{
LOG.error(MessageFormat.format("Encoding crashed: {0}",
e.getLocalizedMessage())); }
return ret;
}
Any help appreciated. :)
Cheers,
Adrian
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