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This validator checks that a String field is not empty (i.e. non-null with a length > 0).


The annotation must be applied at method level.


Parameter Required Default Notes
messageyes field error message
keyno i18n key from language specific properties file.
messageParamsno Additional params to be used to customize message - will be evaluated against the Value Stack
shortCircuitnofalseIf this validator should be used as shortCircuit.
typeyesValidatorType.FIELDEnum value from ValidatorType. Either FIELD or SIMPLE can be used here.
trim no true Boolean property. Determines whether the String is trimmed before performing the length check.