Make Itemcase reference an OfflinePlayer as its owner.

Also add more getters.

src/main/java/com/gmail/bleedobsidian/itemcase/Itemcase.java

@@ -21,6 +21,7 @@ import java.util.UUID;
 import org.bukkit.Chunk;
 import org.bukkit.Location;
 import org.bukkit.Material;
+import org.bukkit.OfflinePlayer;
 import org.bukkit.World;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Item;
@@ -63,7 +64,7 @@ public final class Itemcase {
     /**
      * The owner of this itemcase.
      */
-    private final Player owner;
+    private final OfflinePlayer owner;
     
     /**
      * This itemcase's task.
@@ -82,7 +83,8 @@ public final class Itemcase {
      * @param location The location of the itemcase.
      * @param owner The owner of this itemcase.
      */
-    public Itemcase(ItemStack itemStack, Location location, Player owner) {
+    public Itemcase(ItemStack itemStack, Location location,
+            OfflinePlayer owner) {
         
         // Set item stack and ensure stack size is 1.
         this.itemStack = itemStack.clone();
@@ -187,6 +189,15 @@ public final class Itemcase {
         return displayNameParts[0].equals("com.gmail.bleedobsidian.itemcase");
     }
     
+    /**
+     * @return The ItemStack that this itemcase is showing.
+     */
+    public ItemStack getItemStack() {
+        
+        // The ItemStack of this Itemcase.
+        return this.itemStack;
+    }
+    
     /**
      * @return The Location of this itemcase.
      */
@@ -196,6 +207,15 @@ public final class Itemcase {
         return this.location;
     }
     
+    /**
+     * @return The owner of this itemcase.
+     */
+    public OfflinePlayer getOwner() {
+        
+        // Owner of this itemcase.
+        return this.owner;
+    }
+    
     /**
      * @return Display item.
      */