practicing enum w/ template methods

Inventory.java

@@ -1,63 +1,85 @@
 
-public class Inventory {
+public class Inventory
+{
     private Item[] items;
-
     public Inventory(Item[] items) {
         super();
         this.items = items;
     }
 
-    public void updateQuality() {//<---------------------------------------------------method to update an item's quality
-        for (int i = 0; i < items.length; i++) {//<------------------------------------iterating over the "items" array
-            if (!items[i].getName().equals("Aged Brie")
-            && !items[i].getName().equals("Backstage passes to a TAFKAL80ETC concert")) {//<-if items[i] ISNT Aged Brie or BSP
-                if (items[i].getQuality() > 0) {//<------------------------------------if items[i]'s current quality is greater than 0
-                    if (!items[i].getName().equals("Sulfuras, Hand of Ragnaros")) {//<-if items[i] isn't Sulfuras
-                        items[i].setQuality(items[i].getQuality() - 1);//<-------------reduce the quality of items[i] by 1
-                    }
-                }
-            } else {//<---------------------------------------------------------------else
-                if (items[i].getQuality() < 50) {//<----------------------------------if items[i] quality < 50(max)
-                    items[i].setQuality(items[i].getQuality() + 1);//<----------------increase quality of item[i] by 1
-
-                    if (items[i].getName() == "Backstage passes to a TAFKAL80ETC concert") {//<-if items[i]'s name is BSP
-                        if (items[i].getSellIn() < 11) {//<---------------------------if items[i]'s sell by date is less than 11 days from now
-                            if (items[i].getQuality() < 50) {//<----------------------if items[i]'s quality is less than 50
-                                items[i].setQuality(items[i].getQuality() + 1);//<----increase the quality of items[i] by 1
-                            }
-                        }
+    public void updateQuality() {
+        for (int i = 0; i < items.length; i++)
+        {
+           String itemName = items[i].getName().toUpperCase();
+           String[] nameArr = itemName.replaceAll("[^A-Z0-9\\s]", "").split(" ");
+           String output = (nameArr[0].equals("5")) ? "FIVE" : nameArr[0];
 
-                        if (items[i].getSellIn() < 6) {
-                            if (items[i].getQuality() < 50) {
-                                items[i].setQuality(items[i].getQuality() + 1);
-                            }
-                        }
-                    }
+           BigSellers.valueOf(output).quality(items[i]);
+        }
+    }
+//vvvvvvvvvvvvvvvvvvvvvvvvvvvvvBIG OL ENUMvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
+    public enum BigSellers {
+//------------------------------SULFURAS---------------------------------------
+        SULFURAS() {
+            @Override public void quality(Item x) {
+              return;
+            }
+        },
+//----------------------------------------------------------------------------
+//----------------------------AGED BRIE---------------------------------------
+        AGED() {
+            @Override public void quality(Item x) {
+              int currentQuality = x.getQuality();
+              int sellIn = x.getSellIn();
+              int adjustPrice = sellIn > 0 ? 1 : 2;
+              //---------------------------------------
+              if (currentQuality < 50) {
+                x.setQuality(currentQuality + adjustPrice);
+              }
+              //--------------------------------------
+              x.setSellIn(sellIn - 1);
+            }
+        },
+//-----------------------------------------------------------------------------
+//-------------------------BACKSTAGE PASSES------------------------------------
+        BACKSTAGE() {
+            @Override public void quality(Item x) {
+              int currentQuality = x.getQuality();
+              int sellIn = x.getSellIn();
+              int adjustPrice = sellIn <= 5  ? 3 :
+                                sellIn <= 10 ? 2 :
+                                               1 ;
+              //-------------------------------------
+              if (sellIn >= 0) {
+                if (currentQuality + adjustPrice >= 50) {
+                  x.setQuality(50);
                 }
-            }//<-----------------------------------------------------------------------if items[i] ISNT Aged Brie, or BSP
-
-            if (!items[i].getName().equals("Sulfuras, Hand of Ragnaros")) {
-                items[i].setSellIn(items[i].getSellIn() - 1);
+                else x.setQuality(currentQuality + adjustPrice);
+              }
+              else x.setQuality(0);
+              //--------------------------------------
+              x.setSellIn(sellIn - 1);
             }
-
-            if (items[i].getSellIn() < 0) {
-                if (!items[i].getName().equals("Aged Brie")) {
-                    if (!items[i].getName().equals("Backstage passes to a TAFKAL80ETC concert")) {
-                        if (items[i].getQuality() > 0) {
-                            if (!items[i].getName().equals("Sulfuras, Hand of Ragnaros")) {
-                                items[i].setQuality(items[i].getQuality() - 1);
-                            }
-                        }
-                    } else {
-                        items[i].setQuality(items[i].getQuality()
-                            - items[i].getQuality());
-                    }
-                } else {
-                    if (items[i].getQuality() < 50) {
-                        items[i].setQuality(items[i].getQuality() + 1);
+        },
+//-----------------------------------------------------------------------------
+//-----------------------------+5 DEX------------------------------------------
+        FIVE() {
+            @Override public void quality(Item x) {
+                int currentQuality = x.getQuality();
+                int sellIn = x.getSellIn();
+                //------------------------------------------
+                if (currentQuality > 0) {
+                    if(sellIn >= 0) {
+                      x.setQuality(currentQuality - 1);
                     }
+                    else x.setQuality(currentQuality - 2);
                 }
+                //------------------------------------------
+                x.setSellIn(sellIn - 1);
             }
-        }
+        };
+//-----------------------------------------------------------------------------
+        public abstract void quality(Item x); //<--------template method
     }
+//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^END OF ENUM^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 }