From: Roland Haeder <roland@mxchange.org>
Date: Fri, 11 Sep 2015 10:05:49 +0000 (+0200)
Subject: Finally added calculateItemPrice() ...
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=cd78d3fc8aa671e7ac8907c4354bfb6be87fb8b7;p=pizzaservice-war.git

Finally added calculateItemPrice() ...
Signed-off-by:Roland Häder <roland@mxchange.org>
---

diff --git a/src/java/org/mxchange/pizzaapplication/beans/basket/BasketWebBean.java b/src/java/org/mxchange/pizzaapplication/beans/basket/BasketWebBean.java
index c0cb2ed5..e3965945 100644
--- a/src/java/org/mxchange/pizzaapplication/beans/basket/BasketWebBean.java
+++ b/src/java/org/mxchange/pizzaapplication/beans/basket/BasketWebBean.java
@@ -71,6 +71,27 @@ public class BasketWebBean extends BaseFrameworkBean implements BasketWebControl
 		this.basketBean = (BasketSessionBeanRemote) context.lookup("ejb/stateless-basket"); //NOI18N
 	}
 
+	@Override
+	public Float calculateItemPrice () {
+		// Is the current item/amount set?
+		if (this.getCurrentItem() == null) {
+			// Current item is null
+			throw new NullPointerException("currentItem is null");
+		} else if (this.getCurrentItem().getProduct() == null) {
+			// Product is null
+			throw new NullPointerException("currentItem.product is null");
+		} else if (this.getCurrentItem().getAmount() == null) {
+			// Amount is null
+			throw new NullPointerException("currentItem.amount is null");
+		}
+
+		// Caculate item's price
+		Float totalPrice = (this.getCurrentItem().getProduct().getPrice() * this.getCurrentItem().getAmount());
+
+		// Return it
+		return totalPrice;
+	}
+
 	@Override
 	public Long getAmount () {
 		return this.amount;
diff --git a/src/java/org/mxchange/pizzaapplication/beans/basket/BasketWebController.java b/src/java/org/mxchange/pizzaapplication/beans/basket/BasketWebController.java
index 72bf7db8..d0713506 100644
--- a/src/java/org/mxchange/pizzaapplication/beans/basket/BasketWebController.java
+++ b/src/java/org/mxchange/pizzaapplication/beans/basket/BasketWebController.java
@@ -26,6 +26,7 @@ import org.mxchange.jshopcore.model.product.Product;
  * @author Roland Haeder<roland@mxchange.org>
  */
 public interface BasketWebController extends Serializable {
+
 	/**
 	 * Checks whether the basket is empty
 	 *
@@ -34,7 +35,8 @@ public interface BasketWebController extends Serializable {
 	public boolean isEmpty ();
 
 	/**
-	 * Checks whether the basket has items in it. This method is wrapper to isEmpty()
+	 * Checks whether the basket has items in it. This method is wrapper to
+	 * isEmpty()
 	 *
 	 * @return Whether the basket is empty
 	 */
@@ -49,7 +51,8 @@ public interface BasketWebController extends Serializable {
 	public boolean isProductAdded (final Product product);
 
 	/**
-	 * Adds given product instance to basket by adding amount from form data to it.
+	 * Adds given product instance to basket by adding amount from form data to
+	 * it.
 	 *
 	 * @param product Product instance to add
 	 * @return Redirect target or null
@@ -83,4 +86,12 @@ public interface BasketWebController extends Serializable {
 	 * @param currentItem Current item
 	 */
 	public void setCurrentItem (final AddableBasketItem currentItem);
+
+	/**
+	 * Calculates total price (no tax added) of current item. If no current item
+	 * is set and no amount, a NPE is thrown.
+	 *
+	 * @return Current item's total price
+	 */
+	public Float calculateItemPrice ();
 }