/* Author: Robert Lie

  Maven 3.0.4 tutorial: Setup web application with Jetty server
  See: https://www.mobilefish.com/developer/maven/maven_quickguide_maven_3.0.4_setup_web_app_jetty_server.html

  Usage:
  Enter the following URL:
  http://localhost:9080/mb/demo.html
  http://localhost:9080/mb/helloworld?firstname=peter
*/

package com.mobilefish.apps.mockapi;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;


public class HelloWorldServlet extends HttpServlet {

    private static final long serialVersionUID = 1031422249396784970L;

    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        System.out.println("HelloWorldServlet doGet");

        String firstName = request.getParameter("firstname");


        HttpSession session = request.getSession();
        ServletContext context = session.getServletContext();

        // request object available for each request
        // session object available for each single browser/ single user or across servlets
        // context object available accross all users, browsers and servlets

        if(firstName != null && !firstName.equals("") ){
            session.setAttribute("saveFirstName", firstName);
            context.setAttribute("saveFirstName", firstName);
        }


        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        out.println("HelloWorldServlet doGet <br />");
        out.println("Request firstName: "+firstName+"<br />");
        out.println("Session firstName: "+(String)session.getAttribute("saveFirstName")+"<br />");
        out.println("Context firstName: "+(String)context.getAttribute("saveFirstName")+"<br />");
        out.flush();
        out.close();
    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        System.out.println("HelloWorldServlet doPost");
        response.setContentType("text/html");

        String firstName = request.getParameter("firstname");
        String lastName = request.getParameter("lastname");
        String skill = request.getParameter("skill");
        String[] location = request.getParameterValues("location");

        PrintWriter out = response.getWriter();
        out.println("HelloWorldServlet doPost <br />");
        out.println("Firstname: "+ firstName +"<br />");
        out.println("Lastname: "+ lastName +"<br />");
        out.println("Skill: "+ skill +"<br />");
        out.println("Number of locations: "+location.length  + "<br />");

        for(int i=0;i<location.length;i++){
            out.println("Location: "+location[i] + "<br />");
        }

        out.flush();
        out.close();
    }
}