package com.grundfos.gmatou.dataupload;

import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

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

/**
 * Servlet implementation class GetConfig
 */
public class GetConfig extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public GetConfig() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

		try
		{
			Connection conn = DBConnection.getDbConnection();
			PreparedStatement stmt = conn.prepareStatement("SELECT value FROM config");
			ResultSet rs = stmt.executeQuery();
			String data = " -- no config data found --";
			while (rs.next())
				data = rs.getString(1);
			
			rs.close();
			stmt.close();
			conn.close();
			
			response.setContentType("text/plain");
			response.getWriter().print(data);
			
			
		} catch (Exception e) {
			throw new ServletException(e);
		}
	}

}