jafea7-ctbrec-v5.3.2-based/common/src/main/java/ctbrec/StringUtil.java

package ctbrec;

public class StringUtil {
    public static boolean isBlank(String s) {
        return s == null || s.trim().isEmpty();
    }

    public static boolean isNotBlank(String s) {
        return !isBlank(s);
    }
}