Custom validator variablesMap() - Value of variable [[input]] could not be resolved

[Gianni Doe]

Hi
I've written a custom validator and error message and I'm adding my  
own variables to the error message by overriding variablesMap().
My error message looks like thie:
<properties>
    <entry key="LocalDateTimeRangeValidator">${input} must be between  
${startDate} and ${endDate}</entry>
</properties>
As I understand 3 default variables should be substituted by the  
validator for ${label} ${input} and ${name}; if I use ${label} and $ 
{name} they get substituted fine but ${input} is not:

WicketMessage: Exception 'java.lang.IllegalArgumentException: Value of  
variable [[input]] could not be resolved while interpolating [[$ 
{input} must be between ${startDate} and ${endDate}]]' occurred during  
validation com.resprompt.webapp.validation.LocalDateTimeValidator 
$LocalDateTimeRangeValidator on component  
0:carHireSearchForm:dropoffDate

I've had a look through the source for the Wicket built-in validators  
and I can't seem any instance of 'input' being added explicitly to the  
variablesMap, any ideas why this isn't being set for me?


public abstract class LocalDateTimeValidator<T extends BaseLocal>  
extends AbstractValidator<T> {

    private static final long serialVersionUID = -5922211613447031430L;
    private static Logger log =  
LoggerFactory.getLogger(LocalDateTimeValidator.class);

    public static <U extends BaseLocal> LocalDateTimeValidator<U>  
range(U startDate, U endDate) {
        return new LocalDateTimeRangeValidator<U>(startDate, endDate);
    }

    public static class LocalDateTimeRangeValidator<T extends  
BaseLocal> extends LocalDateTimeValidator<T> {

        private static final long serialVersionUID =  
-6335920679560594249L;
        private T startDate;
        private T endDate;

        public LocalDateTimeRangeValidator(T startDate, T endDate) {
            this.startDate = startDate;
            this.endDate = endDate;
        }

        @Override
        protected void onValidate(IValidatable<T> validatable) {
            BaseLocal date = validatable.getValue();
            if (!(date.isAfter(startDate) && date.isBefore(endDate))) {
                error(validatable);
            }
        }

        @Override
        protected String resourceKey() {
            return "LocalDateTimeRangeValidator";
        }

        @Override
        protected Map<String, Object> variablesMap(IValidatable<T>  
validatable) {
            Map<String, Object> map = super.variablesMap(validatable);
            map.put("startDate", startDate);
            map.put("endDate", endDate);
            return map;
        }
    }
}

Thanks
Gianni




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