import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.sql.Blob;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Base64;

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


import database.DatabaseConnection;

/**
 * Servlet implementation class showImage
 */
@WebServlet("/showImage")
public class showImage extends HttpServlet {
	private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public showImage() {
        super();
        // TODO Auto-generated constructor stub
    }

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

		String id = request.getParameter("id");
		System.out.println(id);
		ResultSet rs = null;
		try {
			DatabaseConnection baza = new DatabaseConnection();
			rs = baza.getUser("select * from proizvodi where id = " + id);

			if(rs.next()) {
				Blob blob = rs.getBlob("slika");
				response.setContentType("image/png");

				InputStream in = blob.getBinaryStream();
				OutputStream out = response.getOutputStream();
				int b;
				while((b = in.read()) != -1) {
					out.write(b);
				}

				in.close();
				out.flush();
				out.close();

			} else {
				System.out.println("Nije pronadjena slika!");
			}

		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}



	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}