/**This is the first out of two servlets working together 
to demonstrate how to implement sessions with link rewriting.
* Internet Programming 2 - Course
* @author Martin Carlsson
*/
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import mixer.*;

public class LinkRewritingSessions1 extends HttpServlet {
    
    private String htmlFileName ="link-rewriting-sessions-2.htm";
    private static String htmlFile = null;    
    private static String servletRoot = "link-rewriting-sessions/link-rewriting-sessions-2";
    
    
    public void init() {
        if(htmlFile == null) {
            htmlFile = Mixer.getContent(new File(getServletContext().getRealPath(servletRoot + "\\" + htmlFileName)));
        }
    }
    
    
    public void doGet(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
        
        Mixer m = new Mixer(htmlFile);   
        res.setContentType("text/html");
        PrintWriter out = res.getWriter();
       
       

        Enumeration e = req.getParameterNames();
        while (e.hasMoreElements()) {
            String key = (String)e.nextElement();
            String[] values = req.getParameterValues(key);
            for(int i = 0; i < values.length; i++) {
                if(key.equals("name"))
                     m.add("_name_",values[i]);
            }
        } 
        out.println(m.getMix());
    }
}