package com.ymwk.icvp.signature.utils; import java.lang.reflect.Array; import java.util.Collection; import java.util.Map; public class ObjectUtils { public static boolean isEmpty(Object obj) { if (obj == null) { return true; } if (obj instanceof CharSequence) { return ((CharSequence) obj).length() == 0; } if (obj.getClass().isArray()) { return Array.getLength(obj) == 0; } if (obj instanceof Collection) { return ((Collection) obj).isEmpty(); } if (obj instanceof Map) { return ((Map) obj).isEmpty(); } return false; } public static boolean isNotEmpty(Object obj) { return !isEmpty(obj); } }