package oss.ngocminh.lego.service;
import java.io.IOException;
import java.net.URLEncoder;
import java.sql.Connection;
import java.sql.SQLException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import oss.ngocminh.lego.data.Entity;
import oss.ngocminh.lego.persistence.CategoryDAO;
/**
* Servlet implementation class CategoryEditController
*/
public class CategoryEditController extends AbstractController {
private static final long serialVersionUID = 1L;
private CategoryDAO categoryDAO = new CategoryDAO();
/**
* Default constructor.
*/
public CategoryEditController() {
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String message = null;
try {
Connection conn = getConnection();
categoryDAO.setConnection(conn);
int id = Integer.parseInt(request.getParameter("id"));
Entity category = categoryDAO.findById(id);
if (category == null) {
message = "Không tìm thấy chủ đề #" + id;
} else {
category.put("name", request.getParameter("name"));
category.put("image", request.getParameter("image"));
categoryDAO.update(category);
message = "Đã lưu chủ đề " + category.get("name");
}
conn.close();
} catch (NumberFormatException e) {
message = "Mã chủ đề không hợp lệ: " + request.getParameter("id");
} catch (SQLException e) {
message = "Lỗi CSDL: " + e.getMessage();
}
redirect("cat_manage?message=" + URLEncoder.encode(message, "UTF-8"), response);
}
}