Question on FileWriter and byte requestBytes[]

Question

if I have string Content, I can use the following code to write them to csv file
byte requestBytes[] = Content.getBytes();
ByteArrayInputStream bis = new ByteArrayInputStream(requestBytes);
res.reset();
res.setContentType("application/text");
res.setHeader("Content-disposition","attachment; filename=" +"temp.csv");
byte[] buf = new byte[1024];
int len;
while ((len = bis.read(buf)) > 0){
res.getOutputStream().write(buf, 0, len);
bis.close();
res.getOutputStream().flush();bu tif I don't want to use string to collact data , I wan to use FileWriter fw = new FileWriter(filename);
fw.append("Employee Code"); what can I do? in order to write them into a download able file ?
thnak you!

Answer 1

HJava wrote:
if I have string Content, I can use the following code to write them to csv file
byte requestBytes[] = Content.getBytes();
res.reset();
res.setContentType("application/text");
res.setHeader("Content-disposition","attachment; filename=" +"temp.csv");
res.getOutputStream().write(requestBytes);
res.getOutputStream().close();
Done. Dusted. Finished. You don't need all that other rubbish.
but if I don't want to use string to collact data,What string?
I wan to use FileWriter fw = new FileWriter(filename);
fw.append("Employee Code"); what can I do? in order to write them into a download able file ?Don't use a FileWriter. Use a FileOutputStream 'fos' and call fos.write(requestBytes).