//file: ShowParameters.java
import java.io.*;
import javax.servlet.ServletException;
import javax.servlet.http.*;
import java.util.Enumeration;
public class ShowParameters extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
showRequestParameters( request, response );
}
void showRequestParameters(HttpServletRequest request,
HttpServletResponse response)
throws IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter( );
out.println(
"<html><head><title>Show Parameters</title></head><body>"
+ "<h1>Parameters</h1><ul>");
for ( Enumeration e=request.getParameterNames( );
e.hasMoreElements( ); ) {
String name = (String)e.nextElement( );
String value = request.getParameter( name );
if (! value.equals("") )
out.println("<li>"+ name +" = "+ value );
}
out.close( );
}
}
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