getparam.java

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/******************** GetParam.java *******************/
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class GetParam extends HttpServlet
  {
  public void doGet(HttpServletRequest req,
                    HttpServletResponse res)
  throws ServletException, IOException
    {
    res.setContentType("text/plain");
    PrintWriter out = res.getWriter();
    out.println("Query String:");
    out.println(req.getQueryString());
    out.println();
    out.println("Client Request Parameter:");
    Enumeration e = req.getParameterNames();
    while (e.hasMoreElements())
      {
      String name = (String) e.nextElement();
      String values[] = req.getParameterValues(name);
      for (int i = 0; i < values.length; i++)
        out.println(name + " (" + i + "): " + values[i]);
      }
    }
  }