Source

xwork / test / com / opensymphony / xwork / validator / VisitorValidatorTestAction-validateList-validation.xml

<!DOCTYPE validators PUBLIC
        "-//OpenSymphony Group//XWork Validator 1.0//EN"
        "http://www.opensymphony.com/xwork/xwork-validator-1.0.dtd">
<validators>
    <field name="testBeanList">
        <field-validator type="visitor">
            <message>testBeanList: </message>
        </field-validator>
    </field>
</validators>