Added Product Listing

Author: springframeworkguru

src/main/java/guru/springframework/controllers/ProductController.java

@@ -0,0 +1,29 @@
+package guru.springframework.controllers;
+
+import guru.springframework.services.ProductService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+/**
+ * Created by jt on 11/6/15.
+ */
+@Controller
+public class ProductController {
+
+    private ProductService productService;
+
+    @Autowired
+    public void setProductService(ProductService productService) {
+        this.productService = productService;
+    }
+
+    @RequestMapping("/products")
+    public String listProducts(Model model){
+
+        model.addAttribute("products", productService.listAllProducts());
+
+        return "products";
+    }
+}

src/main/java/guru/springframework/domain/Product.java

@@ -0,0 +1,45 @@
+package guru.springframework.domain;
+
+import java.math.BigDecimal;
+
+/**
+ * Created by jt on 11/6/15.
+ */
+public class Product {
+    private Integer id;
+    private String description;
+    private BigDecimal price;
+    private String imageUrl;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public BigDecimal getPrice() {
+        return price;
+    }
+
+    public void setPrice(BigDecimal price) {
+        this.price = price;
+    }
+
+    public String getImageUrl() {
+        return imageUrl;
+    }
+
+    public void setImageUrl(String imageUrl) {
+        this.imageUrl = imageUrl;
+    }
+}

src/main/java/guru/springframework/services/ProductService.java

@@ -0,0 +1,13 @@
+package guru.springframework.services;
+
+import guru.springframework.domain.Product;
+
+import java.util.List;
+
+/**
+ * Created by jt on 11/6/15.
+ */
+public interface ProductService {
+
+    List<Product> listAllProducts();
+}

src/main/java/guru/springframework/services/ProductServiceImpl.java

@@ -0,0 +1,72 @@
+package guru.springframework.services;
+
+import guru.springframework.domain.Product;
+import org.springframework.stereotype.Service;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Created by jt on 11/6/15.
+ */
+@Service
+public class ProductServiceImpl implements ProductService {
+
+    private Map<Integer,Product> products;
+
+    public ProductServiceImpl() {
+        loadProducts();
+    }
+
+    @Override
+    public List<Product> listAllProducts() {
+        return new ArrayList<>(products.values());
+    }
+
+    private void loadProducts(){
+        products = new HashMap<>();
+
+        Product product1 = new Product();
+        product1.setId(1);
+        product1.setDescription("Product 1");
+        product1.setPrice(new BigDecimal("12.99"));
+        product1.setImageUrl("http://example.com/product1");
+
+        products.put(1, product1);
+
+        Product product2 = new Product();
+        product2.setId(2);
+        product2.setDescription("Product 2");
+        product2.setPrice(new BigDecimal("14.99"));
+        product2.setImageUrl("http://example.com/product2");
+
+        products.put(2, product2);
+
+        Product product3 = new Product();
+        product3.setId(3);
+        product3.setDescription("Product 3");
+        product3.setPrice(new BigDecimal("34.99"));
+        product3.setImageUrl("http://example.com/product3");
+
+        products.put(3, product3);
+
+        Product product4 = new Product();
+        product4.setId(4);
+        product4.setDescription("Product 4");
+        product4.setPrice(new BigDecimal("44.99"));
+        product4.setImageUrl("http://example.com/product4");
+
+        products.put(4, product4);
+
+        Product product5 = new Product();
+        product5.setId(5);
+        product5.setDescription("Product 2");
+        product5.setPrice(new BigDecimal("25.99"));
+        product5.setImageUrl("http://example.com/product5");
+
+        products.put(5, product5);
+    }
+}

src/main/resources/templates/products.html

@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <title>Spring Core Online Tutorial - List Products</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
+
+    <link href="http://cdn.jsdelivr.net/webjars/bootstrap/3.3.4/css/bootstrap.min.css"
+          th:href="@{/webjars/bootstrap/3.3.5/css/bootstrap.min.css}"
+          rel="stylesheet" media="screen"/>
+
+    <script src="http://cdn.jsdelivr.net/webjars/jquery/2.1.4/jquery.min.js"
+            th:src="@{/webjars/jquery/2.1.4/jquery.min.js}"></script>
+
+    <link href="../static/css/spring-core.css"
+          th:href="@{css/spring-core.css}" rel="stylesheet" media="screen"/>
+</head>
+<body>
+<div class="container">
+    <div th:if="${not #lists.isEmpty(products)}">
+        <h2>Product List</h2>
+        <table class="table table-striped">
+            <tr>
+                <th>Id</th>
+                <th>Description</th>
+                <th>Price</th>
+                <th>Image URL</th>
+            </tr>
+            <tr th:each="product : ${products}">
+                <td th:text="${product.id}"></td>
+                <td th:text="${product.description}"></td>
+                <td th:text="${product.price}"></td>
+                <td th:text="${product.imageUrl}"></td>
+            </tr>
+        </table>
+    </div>
+</div>
+
+</body>
+</html>