public byte[] generateImage(InputStream xml, InputStream xslt) throws
BuilderException
{
// OUTPUT STREAM CREATION
// we use a ByteArray because we don't want to generate any file
ByteArrayOutputStream mtiff= new ByteArrayOutputStream(); // don't
need to be closed
//don't need finally statement
if(logger.isDebugEnabled()) logger.debug("<<<Memòria màxima
inici:"+Runtime.getRuntime().maxMemory()/1048576d);
if(logger.isDebugEnabled()) logger.debug("<<<Memòria lliure
inici:"+Runtime.getRuntime().freeMemory()/1048576d);
if(logger.isDebugEnabled()) logger.debug("<<<Memòria total
inici:"+Runtime.getRuntime().totalMemory()/1048576d);
// CONFIG
TransformerFactory transfFactory=
TransformerFactory.newInstance();
Transformer transformer= null;
try
{
transformer= transfFactory.newTransformer(new
StreamSource(xslt));
}
catch (TransformerConfigurationException e)
{
throw new
BuilderException(EXCEPCION_GENERANDO_IMAGEN,e);
}
Source src= new StreamSource(xml);
// FOP CREATION
// desired output format
FopFactory fopFactory= FopFactory.newInstance();
FOUserAgent userAgent= new FOUserAgent(fopFactory);
userAgent.setTargetResolution(ImageProperties.MTIFF_TARGET_RESOLUTION);
Fop fop;
try
{
fop = fopFactory.newFop(MimeConstants.MIME_TIFF,
userAgent, mtiff);
}
catch (FOPException e2)
{
e2.printStackTrace();
throw new BuilderException("No s'ha pogut construir
l'objecte Fop.", e2);
}
// RESULT OBJECT CREATION
Result res= null;
try
{
DefaultHandler dh= fop.getDefaultHandler();
res= new SAXResult(dh);
}
catch (FOPException e1)
{
throw new
BuilderException(EXCEPCION_GENERANDO_IMAGEN,e1);
}
// TRANSFORMATION AND TIFF GENERATION
try
{
transformer.transform(src, res);
}
catch (TransformerException e)
{
throw new
BuilderException(EXCEPCION_GENERANDO_IMAGEN,e);
}
if(logger.isDebugEnabled()) logger.debug(">>>Memòria màxima
fi:"+Runtime.getRuntime().maxMemory()/1048576d);
if(logger.isDebugEnabled()) logger.debug(">>>Memòria lliure
fi:"+Runtime.getRuntime().freeMemory()/1048576d);
if(logger.isDebugEnabled()) logger.debug(">>>Memòria total
fi:"+Runtime.getRuntime().totalMemory()/1048576d);
return mtiff.toByteArray();
}
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