public static Object convertArrayElements(Class<?> arrayType, Object array) {
Class<?> src = array.getClass().getComponentType();
Class<?> dst = arrayType.getComponentType();
if (src == null || dst == null) throw new IllegalArgumentException("not array type");
Wrapper sw = (src.isPrimitive() ? Wrapper.forPrimitiveType(src) : null);
Wrapper dw = (dst.isPrimitive() ? Wrapper.forPrimitiveType(dst) : null);
int length;
if (sw == null) {
Object[] a = (Object[]) array;
length = a.length;
if (dw == null) return Arrays.copyOf(a, length, arrayType.asSubclass(Object[].class));
Object res = dw.makeArray(length);
dw.copyArrayUnboxing(a, 0, res, 0, length);
return res;
}
length = j86.java.lang.reflect.Array.getLength(array);
Object[] res;
if (dw == null) {
res = Arrays.copyOf(NO_ARGS_ARRAY, length, arrayType.asSubclass(Object[].class));
} else {
res = new Object[length];
}
sw.copyArrayBoxing(array, 0, res, 0, length);
if (dw == null) return res;
Object a = dw.makeArray(length);
dw.copyArrayUnboxing(res, 0, a, 0, length);
return a;
}
public static MethodHandle convertPrimitive(Class<?> src, Class<?> dst) {
return convertPrimitive(Wrapper.forPrimitiveType(src), Wrapper.forPrimitiveType(dst));
}
public static MethodHandle unboxCast(Class<?> type) {
return unbox(Wrapper.forPrimitiveType(type), true);
}
public static MethodHandle box(Class<?> type) {
boolean exact = false;
// e.g., boxShort(short)Short if exact,
// e.g., boxShort(short)Object if !exact
return box(Wrapper.forPrimitiveType(type), exact);
}
private static MethodHandle buildArrayProducer(Class<?> arrayType) {
Class<?> elemType = arrayType.getComponentType();
if (elemType.isPrimitive())
return LazyStatics.COPY_AS_PRIMITIVE_ARRAY.bindTo(Wrapper.forPrimitiveType(elemType));
else return LazyStatics.COPY_AS_REFERENCE_ARRAY.bindTo(arrayType);
}