package forms;

import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

import org.apache.ecs.*;
import org.apache.ecs.html.*;

/** 
 * A servlet to demonstrate how to deal with request data
 * It also uses ECS to format the results.
 * It formats the results in a better format than Parameters2
 *
 * @version 1.0 2001/08/15
 * @author Mike Gehard
 */


public class Parameters3 extends HttpServlet{
	
	
	/**
   	* Handle POST request.
   	*
   	* @param request the HTTPServletRequest associated with this servlet
   	* @param response the HTTPServletResponse associated with this servlet
   	* @throws ServletException
   	* @throws IOException
   	*
   	*/
   	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException{
		
		response.setContentType("text/html"); 
		
  		PrintWriter out = response.getWriter(); 
  		  		
		out.println(createPage(request));
		
	}
	
	/**
   	* Handle GET request.
   	* Delagates to doPost().
   	*
   	* @param request the HTTPServletRequest associated with this servlet
   	* @param response the HTTPServletResponse associated with this servlet
   	* @throws ServletException
   	* @throws IOException
   	*
   	*/
	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException{
		// forward to doPost()
		doPost(request, response);		
	}
	
	/**
   	* Read request parameters and create an HTML based on them
   	*
   	* @param request the HTTPServletRequest associated with this servlet
   	* @return String the result HTML page
   	*
   	*/
	
	private String createPage(HttpServletRequest request){
		
  		Table table = new Table(0); // border = 0
  		
  		// create the HTML tree
  		Html html = new Html();
  		Head head = new Head();
  		Title title = new Title("Registration");
  		Body body = new Body();
  		
  		head.addElement(title);
  		body.addElement(table);
  		html.addElement(head);
  		html.addElement(body);
  		
  		body.addElement(new H1("Thank you!  Your registration is confirmed."));
  		
  		body.addElement(request.getParameter("salutation") + " " + 
  						request.getParameter("lastName") + " " + 
  						request.getParameter("firstName"));
  						
  		body.addElement(new BR());
  		
  		body.addElement(request.getParameter("company"));
  		
  		body.addElement(new BR());
  		
  		body.addElement("Email: " + request.getParameter("email"));
  		
  		body.addElement(new BR());
  		
  		body.addElement("Primary area of business: " + request.getParameter("business"));
  		
  		body.addElement(new BR());
  		
  		body.addElement("Interest areas");
  		
      	String values[] = request.getParameterValues("interests");
      	//System.out.println("values[] length = " + values.length);
      	if (values != null) { 
      		UL list = new UL();
			for (int i = 0; i < values.length; i++) { 
				list.addElement(new LI(values[i]));
			}
			body.addElement(list);
      	}
      	
      	body.addElement("Comments: " + request.getParameter("comments"));
      	
    	return html.toString();
		
		
	}
	
	
}