Support array parameterized types.

[mikumikustudio/libgdx-mikumikustudio.git] / gdx / src / com / badlogic / gdx / utils / reflect / Field.java

diff --git a/gdx/src/com/badlogic/gdx/utils/reflect/Field.java b/gdx/src/com/badlogic/gdx/utils/reflect/Field.java
index 91753fe..769dc6c 100644 (file)
--- a/gdx/src/com/badlogic/gdx/utils/reflect/Field.java
+++ b/gdx/src/com/badlogic/gdx/utils/reflect/Field.java
@@ -1,6 +1,7 @@
 
 package com.badlogic.gdx.utils.reflect;
 
+import java.lang.reflect.GenericArrayType;
 import java.lang.reflect.Modifier;
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
@@ -83,16 +84,22 @@ public final class Field {
                return field.isSynthetic();
        }
 
-       /** If the type of the field is parameterized, returns the Class object representing the parameter type, null otherwise. */
-       public Class getElementType () {
+       /** If the type of the field is parameterized, returns the Class object representing the parameter type at the specified index,
+        * null otherwise. */
+       public Class getElementType (int index) {
                Type genericType = field.getGenericType();
                if (genericType instanceof ParameterizedType) {
                        Type[] actualTypes = ((ParameterizedType)genericType).getActualTypeArguments();
-                       if (actualTypes.length == 1) {
-                               Type actualType = actualTypes[0];
+                       if (actualTypes.length - 1 >= index) {
+                               Type actualType = actualTypes[index];
                                if (actualType instanceof Class)
                                        return (Class)actualType;
-                               else if (actualType instanceof ParameterizedType) return (Class)((ParameterizedType)actualType).getRawType();
+                               else if (actualType instanceof ParameterizedType)
+                                       return (Class)((ParameterizedType)actualType).getRawType();
+                               else if (actualType instanceof GenericArrayType) {
+                                       Type componentType = ((GenericArrayType)actualType).getGenericComponentType();
+                                       if (componentType instanceof Class) return ArrayReflection.newInstance((Class)componentType, 0).getClass();
+                               }
                        }
                }
                return null;