[jbossseam-issues] [JBoss JIRA] Commented: (JBSEAM-3092) add convenience methods on Expressions

[Pete Muir (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBSEAM-3092?page=comments#action_12418438 ] 
            
Pete Muir commented on JBSEAM-3092:
-----------------------------------

I prefer the static version

> add convenience methods on Expressions
> --------------------------------------
>
>                 Key: JBSEAM-3092
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-3092
>             Project: Seam
>          Issue Type: Feature Request
>          Components: Core
>    Affects Versions: 2.1.0.A1
>            Reporter: Dan Allen
>         Assigned To: Dan Allen
>            Priority: Minor
>             Fix For: 2.1.0.BETA1
>
>   Original Estimate: 10 minutes
>  Remaining Estimate: 10 minutes
>
> For how often EL is needed, it sure would be nice to make it a little easier to evaluate from Java code. I propose the folllwing three methods on Expressions (which come from BaseSeamTest):
> /**
>  * Call a method binding
>  */
> public Object invokeMethod(String methodExpression) {
>    return createMethodExpression(methodExpression).invoke();
> }
> /**
>  * Evaluate (get) a value binding
>  */
> public Object getValue(String valueExpression) {
>    return createValueExpression(valueExpression).getValue();
> }
> /**
>  * Set a value binding
>  */
> public void setValue(String valueExpression, Object value) {
>    createValueExpression(valueExpression).setValue(value);
> }
> You could even make the case for them being static:
> public static Object invokeMethod(String methodExpression) {
>    return Expressions.instance().createMethodExpression(methodExpression).invoke();
> }
> public static Object getValue(String valueExpression) {
>    return Expressions.instance().createValueExpression(valueExpression).getValue();
> }
> public static void setValue(String valueExpression, Object value) {
>    Expressions.instance().createValueExpression(valueExpression).setValue(value);
> }

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