[richfaces-issues] [JBoss JIRA] (RF-12248) CDK: Auto-casting #{component} inside the encodeBegin / encodeEnd methods

[Lukáš Fryč (JIRA)]

    [ https://issues.jboss.org/browse/RF-12248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12692725#comment-12692725 ] 

Lukáš Fryč commented on RF-12248:
---------------------------------

I would suggest to cast the {{component}} expression automatically at the start of {{encodeBegin}} and {{encodeEnd}}:

{code:java}
@Override
public void encodeBegin(FacesContext facesContext, UIComponent uiComponent) 
		throws IOException
	 {
         AbstractAlert component = (org.richfaces.bootstrap.component.AbstractAlert) uiComponent;
}
{code}

----

The problem is we don't know the type of {{component}} expression in renderer template.

We can add it to the interface:

{code:xml}
<cdk:componentInfo type="org.richfaces.bootstrap.component.AbstractAlert" />
{code}

When provided, it will be used.
                
> CDK: Auto-casting #{component} inside the encodeBegin / encodeEnd methods
> -------------------------------------------------------------------------
>
>                 Key: RF-12248
>                 URL: https://issues.jboss.org/browse/RF-12248
>             Project: RichFaces
>          Issue Type: Enhancement
>      Security Level: Public(Everyone can see) 
>          Components: cdk
>    Affects Versions: 4.2.0.Final
>            Reporter: Paul Dijou
>
> When using
> {code}#{component}{code}
> expression in templates,
> it results into using
> {code}UIComponent component{code}
> which needs to be casted explicitly.
> ----
> E.g.: {{castComponent}} method used in [{{alert.template.xml}}|https://github.com/richfaces/sandbox/blob/bbdaa1ee7bfde58f87fa2d909cc87cb726822919/bootstrap/ui/src/main/templates/org/richfaces/bootstrap/alert.template.xml#L15] and defined in [{{AlertRendererBase}}|https://github.com/richfaces/sandbox/blob/bbdaa1ee7bfde58f87fa2d909cc87cb726822919/bootstrap/ui/src/main/java/org/richfaces/bootstrap/renderkit/AlertRendererBase.java#L44]

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