Package org.apache.logging.log4j.core.config.plugins.validation.constraints

Annotation Type NotBlank

@Documented
@Retention(RUNTIME)
@Target({FIELD,PARAMETER})
@Constraint(NotBlankValidator.class)
public @interface NotBlank

Marks a plugin builder field or plugin factory parameter of type CharSequence that can not be blank.

Since:

2.18.0

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element	Description
String	message	The message to be logged if this constraint is violated.

Element Details

message

String message

The message to be logged if this constraint is violated. This should normally be overridden. It may contain a {} placeholder for the field's name.

Default:

"{} is blank"