Added check on zero

Signed-off-by:Roland Häder <roland@mxchange.org>

diff --git a/src/org/mxchange/pizzaapplication/application/PizzaServiceApplication.java b/src/org/mxchange/pizzaapplication/application/PizzaServiceApplication.java
index 62790de2717c5d4d4548970fe773f9fb1d7be852..d87bf407f012b283d8fcb6e6f4ac9f18f3abab9a 100644 (file)
--- a/src/org/mxchange/pizzaapplication/application/PizzaServiceApplication.java
+++ b/src/org/mxchange/pizzaapplication/application/PizzaServiceApplication.java
@@ -236,6 +236,9 @@ public class PizzaServiceApplication extends BaseFrameworkSystem implements Pizz
                } else if (null == categoryId) {
                        // "title" not set
                        throw new IllegalArgumentException("product category id is not set."); //NOI18N
+               } else if (categoryId == 0) {
+                       // "title" not set
+                       throw new IllegalArgumentException("product category id is zero."); //NOI18N
                } else if (null == available) {
                        // "title" not set
                        throw new IllegalArgumentException("product availability not set."); //NOI18N
@@ -292,10 +295,7 @@ public class PizzaServiceApplication extends BaseFrameworkSystem implements Pizz
                }
 
                // Declare category
-               Category category;
-
-               // Get Category instance from product over the frontend
-               category = this.categoryFrontend.getCategory(product);
+               Category category = this.categoryFrontend.getCategory(product);
 
                // Debug message
                this.getLogger().debug(MessageFormat.format("categoryId={0}", category)); //NOI18N