Problems with URLConnection

Question

Hi,
I am trying to write a small program which makes use of URLConnection.
Every time I try to read from the url connection it throws EOFException. Please suggest what am I doing wrong. Thanks a lot for all the replies. The code segment is given below.
clientsocket=serversocket.accept();
URL url=new URL(urlString);
HttpURLConnection urlConnection=(HttpURLConnection)url.openConnection();
urlConnection.setDoInput(true);
urlConnection.setDoOutput(true);
urlConnection.connect();
DataInputStream instream=new DataInputStream(urlConnection.getInputStream());
DataOutputStream output=new DataOutputStream(clientsocket.getOutputStream());
byte b1;
while((b1=instream.readByte())!=-1)   =>exception is thrown here
output.write(b1);
output.flush();
}

Answer 1

Hi Rohit,
I haven't tried ur code yet. But, I can give suggestion on how to read from the URLConnection object.
1) No need to type cast to HttpURLConnection the URLConnection object u get after opening the url. Let it be a normal URLConnection object.
2) Change the order of setDoInput() and setDoOutput()
3) Instead of a DataInputStream, use a BufferedInputStream.
4) Then use the BufferedInputStream object's read() method. For efficiency u can use read(byte[] buff, int offset, int length). For this create a byte buffer first.
5) In your case, if u want to use BufferedInputStream.read() only, then instead of using a byte variable use an int variable.
Hope that helps.
-JP