Does it still fail ?
Your #beforeRender() does nothing, so you can remove it.
On Mon, Oct 15, 2012 at 6:04 PM, Frederico Rodrigues <
frederico_rodrig...@ano.pt> wrote:
> Yes i have:
>
> public class ValidationStyleBehavior extends AbstractTransformerBehavior {
>
> @Override
> public void onComponentTag(Component component, ComponentTag tag) {
> FormComponent c=(FormComponent)component;
> if(!c.isValid()) {
> tag.put("class","form-invalid");
> }
>
> }
>
> @Override
> public void beforeRender(Component component) {
> super.beforeRender(component);
> }
>
>
>
> @Override
> public CharSequence transform(Component cmpnt, CharSequence cs) throws
> Exception {
> return cs+"<span>error</span>";
>
>
> }
>
> On 15-10-2012 15:50, Martin Grigorov wrote:
>
> Hi,
>
> Do you override
> org.apache.wicket.markup.transformer.AbstractTransformerBehavior#beforeRender()
> ?
> This method setup the BufferedWebResponse and later #afterRender()
> restores the original.
> Make sure you call super.beforeRender().
>
> On Mon, Oct 15, 2012 at 5:41 PM, Frederico
> Rodrigues<frederico_rodrig...@ano.pt> <frederico_rodrig...@ano.pt> wrote:
>
> Hi,
>
> i have put AbstractTransformerBehavior to component inside form
> i want change output to show error message for this component, but when call
> method "transform" gives me the error:
>
>
> Message: Error while transforming the output of component: [DropDownChoice
> [Component id = type]]
> Root cause:
> java.lang.ClassCastException:
> org.apache.wicket.ajax.AjaxRequestTarget$AjaxResponse cannot be cast to
> org.apache.wicket.protocol.http.BufferedWebResponse
> at
> org.apache.wicket.markup.transformer.AbstractTransformerBehavior.afterRender(AbstractTransformerBehavior.java:83)
> at
> org.apache.wicket.Component.notifyBehaviorsComponentRendered(Component.java:3523)
>
> How solve this?
>
> thanks
>
> Frederico Rodrigues
>
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>
>
> --
> Com os melhores cumprimentos,
>
> Frederico Rodrigues | Programador
> ano - Sistemas de Informática e Serviços, Lda
> Travessa Alferes Malheiro, 105 4000-060 PORTO, Portugal
> Tel.: (+351) 222 061 580 e-mail:frederico_rodrig...@ano.pt sites:
> www.ano.pt | www.anogov.com
>
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Training, Consulting, Development
http://jWeekend.com <http://jweekend.com/>
