com.mum.controller.ProductController.java Source code

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Here is the source code for com.mum.controller.ProductController.java

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package com.mum.controller;

import com.mum.domain.Product;
import com.mum.service.ProductService;
import java.io.File;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;

/**
 *
 * @author sunil
 */
@Controller
public class ProductController {

    @Autowired
    private ProductService productService;

    @RequestMapping("/products")
    public String list(Model model) {
        model.addAttribute("products", productService.getAllProductsDetails());
        return "products";
    }

    @RequestMapping("/products/{category}")
    public String getProductsByCategory(Model model, @PathVariable("category") String productCategory) {
        System.out.println("Category---------");
        model.addAttribute("products", productService.getProductsByCategory(productCategory));
        return "products";
    }

    @RequestMapping("/products/product")
    public String getProductById(@RequestParam("id") String productId, Model model) {
        System.out.println("Product  id is " + productId);
        model.addAttribute("product", productService.getProductById(productId));
        return "product";
    }

    @RequestMapping(value = "/products/add", method = RequestMethod.GET)
    public String getAddNewProductForm(Model model) {
        Product product = new Product();

        model.addAttribute("newProduct", product);
        return "addProduct";
    }

    @RequestMapping(value = "products/add", method = RequestMethod.POST)
    public String processAddNewProductForm(@ModelAttribute("newProduct") Product product, BindingResult result,
            HttpServletRequest request, HttpServletResponse response) {
        MultipartFile productImage = product.getProductImage();
        String rootDirectory = request.getSession().getServletContext().getRealPath("/../../../");

        if (productImage != null && !productImage.isEmpty()) {
            try {
                productImage.transferTo(
                        new File(rootDirectory + "\\images\\" + productImage.getOriginalFilename() + ".png"));
            } catch (Exception e) {
                throw new RuntimeException("Product Image saving failed", e);
            }
        }

        String[] suppressedFields = result.getSuppressedFields();
        if (suppressedFields.length > 0) {
            throw new RuntimeException("Attempting to bind disallowed fields:"
                    + StringUtils.arrayToCommaDelimitedString(suppressedFields));
        }

        productService.addProduct(product);
        //return "redirect:/products/add";
        //return "redirect:/products";
        return "";
    }

    @InitBinder
    public void initialiseBinder(WebDataBinder dataBinder) {
        //        DateFormat dateFormat = new SimpleDateFormat("MMM d, YYYY");
        //        CustomDateEditor orderDateEditor = new CustomDateEditor(dateFormat, true);
        //        dataBinder.registerCustomEditor(Date.class,"createdDate",orderDateEditor);
        dataBinder.setDisallowedFields("unitsInOrder", "discontinued");
    }

}