Method stringValid

src/main/java/gregapi/util/UT.java:1512–1514

(Object aString)

		}
		
		public static boolean stringValid(Object aString) {
			return aString != null && !aString.toString().isEmpty();
		}
		
		public static boolean stringInvalid(Object aString) {
			return aString == null || aString.toString().isEmpty();