Add dItem.unbreakable property

src/main/java/net/aufdemrand/denizen/Denizen.java

@@ -791,6 +791,7 @@ public void onEnable() {
             propertyParser.registerProperty(ItemQuantity.class, dItem.class);
             propertyParser.registerProperty(ItemSkullskin.class, dItem.class);
             propertyParser.registerProperty(ItemSpawnEgg.class, dItem.class);
+            propertyParser.registerProperty(ItemUnbreakable.class, dItem.class);
         } catch (Exception e) {
             dB.echoError(e);
         }

src/main/java/net/aufdemrand/denizen/objects/properties/item/ItemUnbreakable.java

@@ -0,0 +1,84 @@
+package net.aufdemrand.denizen.objects.properties.item;
+
+import net.aufdemrand.denizen.objects.dItem;
+import net.aufdemrand.denizencore.objects.Element;
+import net.aufdemrand.denizencore.objects.Mechanism;
+import net.aufdemrand.denizencore.objects.dObject;
+import net.aufdemrand.denizencore.objects.properties.Property;
+import net.aufdemrand.denizencore.tags.Attribute;
+import net.minecraft.server.v1_8_R3.ItemStack;
+import net.minecraft.server.v1_8_R3.NBTTagCompound;
+import org.bukkit.craftbukkit.v1_8_R3.inventory.CraftItemStack;
+
+public class ItemUnbreakable implements Property {
+
+    public static boolean describes(dObject item) {
+        return item instanceof dItem;
+    }
+
+    public static ItemUnbreakable getFrom(dObject _item) {
+        if (!describes(_item)) {
+            return null;
+        }
+        return new ItemUnbreakable((dItem) _item);
+    }
+
+    private ItemUnbreakable(dItem _item) {
+        item = _item;
+    }
+
+    dItem item;
+
+    public String getAttribute(Attribute attribute) {
+        if (attribute == null) {
+            return "null";
+        }
+
+        // <--[tag]
+        // @attribute <i@item.unbreakable>
+        // @returns Element(Boolean)
+        // @group properties
+        // @mechanism dItem.unbreakable
+        // @description
+        // Returns whether an item has the unbreakable flag.
+        // -->
+        if (attribute.startsWith("unbreakable")) {
+            return new Element(Boolean.valueOf(getPropertyString() != null)).getAttribute(attribute.fulfill(1));
+        }
+
+        return null;
+    }
+
+    public String getPropertyString() {
+        ItemStack itemStack = CraftItemStack.asNMSCopy(item.getItemStack());
+        if ((itemStack != null) && (itemStack.hasTag()) &&
+                (itemStack.getTag().getBoolean("Unbreakable"))) {
+            return "true";
+        }
+        return null;
+    }
+
+    public String getPropertyId() {
+        return "unbreakable";
+    }
+
+    public void adjust(Mechanism mechanism) {
+
+        // <--[mechanism]
+        // @object dItem
+        // @name unbreakable
+        // @input Element(Boolean)
+        // @description
+        // Changes whether an item has the unbreakable item flag.
+        // @tags
+        // <i@item.unbreakable>
+        // -->
+        if ((mechanism.matches("unbreakable")) && (mechanism.requireBoolean())) {
+            ItemStack itemStack = CraftItemStack.asNMSCopy(item.getItemStack());
+            NBTTagCompound tag = itemStack.hasTag() ? itemStack.getTag() : new NBTTagCompound();
+            tag.setInt("Unbreakable", mechanism.getValue().asBoolean() ? 1 : 0);
+            itemStack.setTag(tag);
+            item.setItemStack(CraftItemStack.asBukkitCopy(itemStack));
+        }
+    }
+}