nl.gx.webmanager.handler.forms
Interface Validator

All Superinterfaces:

FormComponent

All Known Implementing Classes:

AgeFormPartValidator, CountDbValidator, DateFormPartValidator, DateRangeFormPartValidator, DefaultProfileLoginValidator, DummyValidator, ElfCheckFormPartValidator, EqualFormPartValidator, FileSizeFormPartValidator, FloatFormPartValidator, FloatRangeFormPartValidator, IntFormPartValidator, IntRangeFormPartValidator, RegExpFormPartValidator, RequiredAtLeastOneValidator, RequiredFormPartValidator, RequiredOneOfManyValidator, VerificationCookieValidator

public interface Validator
extends FormComponent

This interface defines the api for the construction of a form validator component. The form handler framework calls the validate method of a validator to check the values submitted by a client. The resulting messages can be used for giving feedback to the client and determining the routing for the formflow.

Method Summary

ValidatorMessage[]

validate(FormDefinition form, State formState, javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res) Performs validation on a form and returns an array of validator messages, containing errors detected in the submitted values.

Methods inherited from interface nl.gx.webmanager.handler.forms.FormComponent

init

Method Detail

validate

ValidatorMessage[] validate(FormDefinition form,
                            State formState,
                            javax.servlet.http.HttpServletRequest req,
                            javax.servlet.http.HttpServletResponse res)

Performs validation on a form and returns an array of validator messages, containing errors detected in the submitted values.

Parameters:

form - The form that should be validated

formState - The object representing the state of the formflow. This object provides access to values submitted by the client and the exceptions and validator messages for the form.

req - The http servlet request

res - The http servlet response

Returns:

The array of validator messages, containing validation errors for the form.