/* Code to look at the contents of a directory and
   print the results as the output sent from the Servlet*/
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class CheckDirectory extends HttpServlet {
    
        public void doGet(HttpServletRequest request,
                          HttpServletResponse response) throws ServletException, IOException {
              int value;
	      Process myProcess;
	      Runtime myRuntime;
                            
              PrintWriter out = response.getWriter();
              out.println("Attempting to get runtime");
	      try{
              	myRuntime = Runtime.getRuntime();


	        //myProcess = myRuntime.exec("ls");
		//IDEA 1: ls into user's subdirectory and list contents
		myProcess = myRuntime.exec("ls /staff2/grewe/public_html/comments");
                InputStream myIS = myProcess.getInputStream();
		//now wait for process
	        out.println("ls finished");
		while (( value = myIS.read() )  != -1)  {
             		//print out the character not the number value.
             		out.print((char) value);
                }


              }catch (Exception e) {out.println(e.getMessage()); }
        }      
}