IndexedPropertySupport.java 文件源码

public void setValue(T val) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {
    if (!canWrite()) {
        throw new IllegalAccessException();
    }

    Object validInstance = Beans.getInstanceOf(instance, setter.getDeclaringClass());

    Object value = val;
    if (
        (val != null) && (setter.getParameterTypes()[0].getComponentType().isPrimitive()) &&
            (!val.getClass().getComponentType().isPrimitive())
    ) {
        value = Utilities.toPrimitiveArray((Object[]) val);
    }

    setter.invoke(validInstance, value);
}