Re: Help with custom tag attribute

> There's a difference between saying something is optional by passing
> in a null, entirely another to pass in a string and expect it to be
> ignored just because its not an integer.
>
> What is the value of maxlength when you pass it in? Is it null or a
> string?
>
>
>
> On Fri, Apr 24, 2009 at 1:16 PM, Felipe Jaekel <fkjaekel@...> wrote:
>> I have a custom tag that is composed by a <h:outputLabel /> +
>> <h:inputText
>> />. I need the maxlength attribute to be optional. The problem is that
>> when
>> I use <f:attribute /> I get a class cast exception.
>>
>> Tag:
>>
>>> <ui:composition
>>> xmlns:h="http://java.sun.com/jsf/html"
>>> xmlns:c="http://java.sun.com/jstl/core"
>>> xmlns:f="http://java.sun.com/jsf/core"
>>> xmlns:ui="http://java.sun.com/jsf/facelets"
>>> >
>>> <h:outputLabel value="#{label}" />
>>> <h:inputText
>>> label="#{label}"
>>> value="#{value}"
>>> >
>>> <c:if test="#{! empty maxlength}">
>>> <f:attribute
>>> name="maxlength"
>>> value="#{maxlength}"
>>> />
>>> </c:if>
>>> <ui:insert />
>>> </h:inputText>
>>> </ui:composition>
>>
>>
>>
>>
>>
>> Exception:
>>
>>> java.lang.ClassCastException: java.lang.String cannot be cast to
>>> java.lang.Integer
>>
>>
>>
>> Any ideas?
>>
>> Thanks,
>> Felipe
>>
>
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