Some files I can't read and write to my socket!?

Question

I have the following code that writes files to my socket:
OutputStream out = new BufferedOutputStream(socket.getOutputStream());
File f = new File(SOME_PATH);
InputStream fin = new FileInputStream(f);
int n;
while((n = fin.read()) > 0) {
  out.write(n);
out.flush();
fin.close();And the following reads this file from the socket, and writes it to another file on the server:
InputStream in = new BufferedInputStream(socket.getInputStream());
File f = new File(SOME_PATH);
OutputStream vos = new FileOutputStream(f);
int n;
for(int i=0;i<fileSize;i++) {
  n = in.read();
  vos.write(n);
vos.close();
vos = null;"fileSize" is always the size of the file, I'm pretty sure here.
I can transfer both binary and text files, but not all text files. Why is that? How do I fix it?

Answer 1

Another way is to have an object that represents the file...and then it can contain the filename and other stuff...
public class MyFile
   private String filename = "";
   private byte[] filecontents = null;
}If you then use an ObjectOutput/InputStream then you can read the file in wholesale...
However if you are having "other" commands that you read from the stream then it wouldn't solve that problem!
Another way is to use the ISDN method, more complex but effective, that is to have a control channel and a data channel...i.e. one stream for sending commands, another for sending data in response to commands...one issue there though is that of synchronization...
Another potential method is to use XML to provide a "data envelope" that encapsulates the file...
i.e.
<file filename="[name]">
<![CDATA[
   <!-- File contents go here, could be binary/plain text -->
]]>
</file>Of course using XML in this way has it's own problems...
Overall if you already have a working system in place then I'd stick with that, but those are some ideas!!!