Java download files on the server

File path

File File = new file (path);
Gets the file name.
String filename = File.getname ();

Download the file in the form of a stream.
InputStream fis = new Bufferedinputstream (new FileInputStream (path));
byte[] buffer = new byte[fis.available ()];
Fis.read (buffer);
Fis.close ();
Empty response
Response.reset ();
Set the header of the response
Response.AddHeader ("Content-disposition", "Attachment;filename="
+ New String (Filename.getbytes ()));
Response.AddHeader ("Content-length", "" "+ File.length ());
OutputStream toclient = new Bufferedoutputstream (
Response.getoutputstream ());
Response.setcontenttype ("Application/octet-stream");
Toclient.write (buffer);
Toclient.flush ();
Toclient.close ();

Java download files on the server