[weld-issues] [JBoss JIRA] Commented: (WELDX-115) Add the ability to evaluate el from weld-extensions

[Adam Warski (JIRA)]

    [ https://jira.jboss.org/browse/WELDX-115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12539877#action_12539877 ] 

Adam Warski commented on WELDX-115:
-----------------------------------

I extended Dan's code a little to make creating JSF and non-JSF based EL evaluators transprently:
http://github.com/adamw/cdiext/tree/master/cdi/src/main/java/pl/softwaremill/cdiext/el/

It is usable like this:

2. Injectable EL Evaluator
--------------------------

Usage:

@Inject
private ELEvaluator elEvaluator;

void someMethod() {
    // ...
    Integer result = elEvaluator.evaluate("#{testParam1 + 10 + testParam2}", Integer.class, params);
    // ...
}

The evaluator is a request-scoped bean. It can be injected and used both when a web request is active, and when
not (e.g. during an MDB invocation). The third parameter is optional and is a map of parameters, which will be put
in the EL context for the duration of the evaluation.

If there's anything of value in my evaluator, you can of course freely use the code in there.

> Add the ability to evaluate el from weld-extensions
> ---------------------------------------------------
>
>                 Key: WELDX-115
>                 URL: https://jira.jboss.org/browse/WELDX-115
>             Project: Weld Extensions
>          Issue Type: Feature Request
>            Reporter: Stuart Douglas
>
> Dans classes at http://community.jboss.org/thread/148045?tstart=0 are a good starting point

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