gistfile1.txt

public static <T> T cast(Object object, Class<T> type) {
		return cast(object, type, null);
	}
	
	public static <T> T cast(Object object, Class<T> type, T def) {
		Check.notNull(object, "object cannot be null");
		Check.notNull(type, "type cannot be null");
		return isInstance(object, type) ? type.cast(object) : def;
	}
	
	public static boolean isInstance(Object object, Class<?>... types) {
		Check.notNull(object, "object cannot be null");
		Check.notNull(types, "types cannot be null");
		for(Class<?> type : types)
			if(type.isInstance(object))
				return true;
		return false;
	}