src/org/bs/servlet/backend/SupplierServlet.java

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package org.bs.servlet.backend;

import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import org.apache.commons.beanutils.BeanUtils;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.bs.model.Supplier;
import org.bs.service.SupplierService;
import org.bs.utils.JDBCHandler;
import org.bs.utils.PageContext;
import org.bs.utils.ResultUtils;

public class SupplierServlet extends BaseServlet {
	private SupplierService supplierService;

	@Override
	public void addInput(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		request.getRequestDispatcher("/backend/supplier/add_supplier.jsp")
				.forward(request, response);
	}

	public void prepare(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.getSession().setAttribute("supplierList",
				supplierService.search());
	}

	@Override
	public void add(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		Supplier supplier = ResultUtils.copyParams(Supplier.class, request);
		supplierService.add(supplier);
		request.getRequestDispatcher(
				"/backend/supplier/add_supplier_success.jsp").forward(request,
				response);
	}

	@Override
	public void delete(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		int id = Integer.parseInt(request.getParameter("id"));
		supplierService.delete(supplierService.findById(id));
		request.getRequestDispatcher("SupplierServlet?method=list").forward(
				request, response);
	}

	public void deleteBetch(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		String[] supplierIds = request.getParameterValues("supplierCheckbox");
		for (int i = 0; i < supplierIds.length; i++) {
			supplierService.delete(supplierService.findById(Integer
					.parseInt(supplierIds[i])));
		}
		request.getRequestDispatcher("SupplierServlet?method=list").forward(
				request, response);
	}