iluwatar#1263 - creating ProductController

Author: e5LA

view-helper/src/main/java/com/iluwatar/viewhelper/ProductController.java

@@ -0,0 +1,21 @@
+package com.iluwatar.viewhelper;
+
+/**
+ * Controller delegates a {@link Product} to {@link ProductViewHelper} and then to {@link ConsoleProductView}.
+ */
+public class ProductController {
+
+  private final ViewHelper<Product, ProductViewModel> viewHelper;
+  private final View<ProductViewModel> view;
+
+  public ProductController(ViewHelper<Product, ProductViewModel> viewHelper,
+                           View<ProductViewModel> view) {
+    this.viewHelper = viewHelper;
+    this.view = view;
+  }
+
+  /** Passes the product to the helper for formatting and then forwards formatted product to the view. */
+  public void handle(Product product) {
+    view.render(viewHelper.prepare(product));
+  }
+}