Hi Thiago!
> You don't really need file handling nor buffer handling classes in > Tapestry: just use the Java ones. Anyway, you don't need to worry with files > nor buffering in your component: handle files in memory only. Make your > component receive the PDF file to be rendered as an InputStream. Most > probably the PDF renderer already buffers input. Thank your comment. http://download.oracle.com/javase/1.5.0/docs/api/java/io/InputStream.html using this class is ok? charith