Module jakarta.validation

Package jakarta.validation.constraints

Annotation Interface NotBlank

@Documented
@Constraint(validatedBy={})
@Target({METHOD,FIELD,ANNOTATION_TYPE,CONSTRUCTOR,PARAMETER,TYPE_USE})
@Retention(RUNTIME)
@Repeatable(NotBlank.List.class)
public @interface NotBlank

The annotated element must not be null and must contain at least one non-whitespace character. Accepts CharSequence.

Since:

2.0

See Also:

• Character.isWhitespace(char)

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static @interface	NotBlank.List	Defines several @NotBlank constraints on the same element.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element	Description
Class<?>[]	groups
String	message
Class<? extends Payload>[]	payload

Element Details

message

String message

Default:

"{jakarta.validation.constraints.NotBlank.message}"

groups

Class<?>[] groups

Default:

{}

payload

Class<? extends Payload>[] payload

Default:

{}