public static <T> List<T> newArrayListOnNull(List<T> list) {
        if (list == null) {
            list = new ArrayList<T>();
        }
        return list;
    }
@author Robert HG (254963746@qq.com) on 6/23/14.
lts-core/src/main/java/com/github/ltsopensource/core/commons/utils/CollectionUtils.java