ALEX L schrieb:
> Dear All,
> Is it possible to have a servlet to call a server application. If it
> can be done, how can the servlet call the server application. In DOS
> we can run the server application by using "java server" but how can a
> servlet run a server application. My server application will be
> waiting for a client connection, and is a thread to do some
> calcualtion and also waiting for a client input. That's what my server
> do.
> Please help.
> Thanks a lot for your time.
>
> Regards,
> Alex
Hello Alex!
I use the following Servlet to call a server application. In the code I call
the directory application on an Unix computer.
-------------------------------------------------------
Dipl.-Wirt.Inform.
Wolfgang B�ning
Am Gro�en Kamp 8
46342 Velen
Tel.: 02863/1800
Fax: 089/6661715486
Email: [EMAIL PROTECTED]
WWW: http://www.wi-inf.uni-essen.de/~buening
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import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class texec extends HttpServlet
{
public void doGet (HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException
{
PrintWriter out;
String title = "Execution test";
response.setContentType("text/html");
out = response.getWriter();
out.println("<HTML><HEAD><TITLE>");
out.println(title);
out.println("</TITLE></HEAD><BODY bgcolor=\"#FFFFFF\">");
Runtime RT=Runtime.getRuntime();
Process PR;
try{
PR=RT.exec("/bin/ls -l");
String s=new String();
if (PR!=null){
DataInputStream dis=new DataInputStream(PR.getInputStream());
while((s=dis.readLine())!=null){
out.println(s+"<BR>");
}
}
}
catch(IOException e){
System.err.println("Fehler: " +e);
}
out.println("</BODY></HTML>");
System.out.println("TEST");
out.close();
}
}
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