Annotation Interface NotBlank
@Documented
@Retention(CLASS)
@Target({METHOD,FIELD,PARAMETER})
@ValidatedBy(NotBlankValidatorFactory.class)
public @interface NotBlank
The annotated element must not be
null and must contain at least one non-whitespace character
Supported types are:
CharSequence(at least one non-whitespace character)String(at least one non-whitespace character)