package com.grundfos.gmatou.dataupload;

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

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.sql.*;


public class ViewFile extends HttpServlet {
	private static final long serialVersionUID = 1L;
       

    public ViewFile() {
        super();
    }

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		String strId = request.getParameter("id");
		
		int id = Integer.parseInt(strId);

		try
		{
			Connection conn = DBConnection.getDbConnection();
			PreparedStatement stmt = conn.prepareStatement("SELECT data FROM dataentries WHERE ID = ?");
			stmt.setInt(1, id);
			ResultSet rs = stmt.executeQuery();
			String data = " -- no data found with id=" + id;
			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);
		}
	}

}