[refactoring] : BT - Senior Java Developer

Java/src/main/java/com/gildedrose/GildedRoseAbstract.java

@@ -0,0 +1,16 @@
+package com.gildedrose;
+
+class GildedRoseAbstract {
+    protected Item[] itemsList;
+
+    protected final static AGED_BRIE = "Aged Brie";
+    protected final static BACKSTAGE_PASSES = "Backstage passes to a TAFKAL80ETC concert";
+    protected final static SULFURAS = "Sulfuras, Hand of Ragnaros";
+
+
+    public GildedRoseAbstract(Item[] itemsList) {
+        this.itemsList = itemsList;
+    }
+
+    public abstract void updateQuality();
+}

Java/src/main/java/com/gildedrose/GildedRoseAgedBrie.java

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+package com.gildedrose;
+
+class GildedRoseAgedBrie extends GildedRoseAbstract {
+
+    public GildedRoseAgedBrie(Item[] itemsList) {
+        this.super(itemsList);
+    }
+
+    public void updateQuality() {
+        for (Item itemValue : itemsList) {
+            if (!itemValue.name.equals(AGED_BRIE)
+                && !itemValue.name.equals(BACKSTAGE_PASSES)
+                && itemValue.quality > 0
+                && !itemValue.name.equals(SULFURAS)) {
+                        itemValue.quality --;
+            } else if (itemValue.quality < 50) {
+                    itemValue.quality ++;
+                    if (itemValue.name.equals(BACKSTAGE_PASSES)
+                        && (itemValue.sellIn < 11 || itemValue.sellIn < 6)
+                        && itemValue.quality < 50) {
+                                itemValue.quality ++;
+                    }
+                }
+        }
+    }
+}

Java/src/main/java/com/gildedrose/GildedRoseNotAgedBrieNotSulfuras.java

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+package com.gildedrose;
+
+class GildedRoseNotAgedBrieNotSulfuras extends GildedRoseAbstract {
+
+    public GildedRoseNotAgedBrieNotSulfuras(Item[] itemsList) {
+        this.super(itemsList);
+    }
+
+    public void updateQuality() {
+        for (Item itemValue : itemsList) {
+            if (itemValue.sellIn < 0) {
+                if (!itemValue.name.equals(AGED_BRIE)) {
+                    if (!itemValue.name.equals(BACKSTAGE_PASSES)
+                        && (itemValue.quality > 0
+                        && !itemValue.name.equals(SULFURAS))) {
+                        itemValue.quality --;
+                    } else {
+                        itemValue.quality -= itemValue.quality;
+                    }
+                } else if (itemValue.quality < 50) {
+                        itemValue.quality ++;
+                }
+            }
+        }
+    }
+}

Java/src/main/java/com/gildedrose/GildedRoseSulfuras.java

@@ -0,0 +1,16 @@
+package com.gildedrose;
+
+class GildedRoseSulfuras extends GildedRoseAbstract {
+
+    public GildedRoseSulfuras(Item[] itemsList) {
+        this.super(itemsList);
+    }
+
+    public void updateQuality() {
+        for (Item itemValue : itemsList) {
+            if (!itemValue.name.equals(SULFURAS)) {
+                itemValue.sellIn --;
+            }
+        }
+    }
+}