initial commit

java/src/game/init/RegistryDefaulted.java

@@ -0,0 +1,20 @@
+package game.init;
+
+public class RegistryDefaulted<K, V> extends RegistrySimple<K, V>
+{
+    /**
+     * Default object for this registry, returned when an object is not found.
+     */
+    private final V defaultObject;
+
+    public RegistryDefaulted(V defaultObjectIn)
+    {
+        this.defaultObject = defaultObjectIn;
+    }
+
+    public V getObject(K name)
+    {
+        V v = super.getObject(name);
+        return (V)(v == null ? this.defaultObject : v);
+    }
+}