How can I get it to print output of inputstream?

Question

Please forgive me for running two similar thread but the other thread ahs strayed from primal concern of coding.
Some help with the code please???
I have set up an inputstream and outputstream to the "ftp process" of java.lang.Runtime I have sent the command "dir" to ftp.
But How can I get it to print all the files etc of the "dir" sent to ftp process?
Also I have just read that it is perhaps better to buffer the STREAMS.
How do I do this for outputsteam? I think I have some clue to do for inputstream with bufferedreader?
import java.lang.*;
import java.io.*;
public class RuntimeFTP{
public static void main(String[] arg){
Runtime rt = Runtime.getRuntime();
String[] callAndArgs = { "ftp.exe", "jaguar.wmin.ac.uk" };
Process process = null;
OutputStream os = null;
InputStream is = null;
String login = "w0109699";
String password = "11041976";
String dircommand = "dir";
byte[] barraylogin = login.getBytes();
byte[] barraypassword = password.getBytes();
byte[] barraydircommand = dircommand.getBytes();
try
process = rt.exec(callAndArgs);
process.waitFor();
System.out.println("Process exit code is: " + process.exitValue() );
catch(IOException e)
System.err.println("IOException starting process!");
catch(InterruptedException e)
System.out.println("Interrupted waiting for process!");
try
os = process.getOutputStream();
os.write(barraylogin);
os.write(barraypassword);
os.write(barraydircommand);
catch(IOException io)
System.out.println("io exception write to outputstream");
try
is = process.getInputStream();
while (is.read() != -1)
How can I print the data to the user
i.e all the data obtained from the "dir" command sent to ftp?????????
catch(IOException io)
System.out.println("io exception read fron inputstream");

Answer 1

the above code does not work so I have abondaned it.
I want to integrate an ftp program into a program I am working on. I have scoured the net for reuse able code and come across a "t or Linlyn ftp program" which claims is easily integrate able into larger applications.
The problem is did does not seem to work and gives me errors. I would be grateful if someone could tell me why I am getting the error, here is the error:
C:\My_DL_Dap\ftp in java>appletviewer t.java
Warning: <applet> tag requires width attribute.
java.security.AccessControlException: access denied (java.net.SocketPermission j
aguar.wmin.ac.uk resolve)
at java.security.AccessControlContext.checkPermission(AccessControlConte
xt.java:270)
at java.security.AccessController.checkPermission(AccessController.java:
401)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:542)
at java.lang.SecurityManager.checkConnect(SecurityManager.java:1042)
at java.net.InetAddress.getAllByName0(InetAddress.java:909)
at java.net.InetAddress.getAllByName0(InetAddress.java:890)
at java.net.InetAddress.getAllByName(InetAddress.java:884)
at java.net.InetAddress.getByName(InetAddress.java:814)
at java.net.InetSocketAddress.<init>(InetSocketAddress.java:109)
at java.net.Socket.<init>(Socket.java:118)
at Linlyn.ftpConnect(t.java:326)
at Linlyn.<init>(t.java:236)
at t.init(t.java:83)
at sun.applet.AppletPanel.run(AppletPanel.java:341)
at java.lang.Thread.run(Thread.java:536)
I would also be grateful if someone could try out the program and tell me if it works for them, then I could determine if it is because ftp clients are being blocked by my server. The ftp program is very small, here is the url:
http://www.afu.com/jdownload.html
1) compile the code
2) fill in everywhere it requests "your-server" "username" and "password"
3) to run appletviewer t.java