Axel Stahlhut wrote:
> Sorry for posting this one again, but its a bit urgent and maybe i have a chance
>marking it as a post concerning [Validator].
>
> Validating a Date with the Struts-Validator Framework works fine, but if the field i
>want to validate is not a required field and may be empty, the validator always
>reports an error, even if if i remove the depends="required" in the
>validation-rules.xml.
> Do i have to implement the Validator-class in a way that it doesnt validate empty
>dates or is there any declarative way to solve this?
> Thanks for any help.
>
> Axel
>
> This is my validation-rules.xml:
>
> <validator name="date"
> classname="org.apache.struts.util.StrutsValidator"
> method="validateDate"
> methodParams="java.lang.Object,
> org.apache.commons.validator.ValidatorAction,
> org.apache.commons.validator.Field,
> org.apache.struts.action.ActionErrors,
> javax.servlet.http.HttpServletRequest"
> msg="errors.date"
> jsFunctionName="DateValidations">
>
> and the validation.xml:
>
> <field property="beginEmployment" depends="date">
> <arg0 key="personal.data.beginEmployment" />
> <var>
> <var-name>datePattern</var-name>
> <var-value>dd.MM.yyyy</var-value>
> </var>
> </field>
>
>
>
Hi Axel,
you can subclass the DynaValidatorForm to override the validator method.
There you can check if the date field is empty, something like that
public ActionErrors validate(ActionMapping mapping,
HttpServletRequest request)
{
String date = null;
if (((date = (String) this.get("yourDateField")) == null)
|| (date.length == 0))
{
// do no validation
return null;
}
return super.validate(mapping, request);
}
Hope this helps.
Marco
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