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Posted to issues@commons.apache.org by "Paweł Kłapsa (JIRA)" <ji...@apache.org> on 2016/05/27 09:14:13 UTC

[jira] [Commented] (JEXL-191) Jexl3 unsolvable property exception when using enum

    [ https://issues.apache.org/jira/browse/JEXL-191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15303790#comment-15303790 ] 

Paweł Kłapsa commented on JEXL-191:
-----------------------------------

Does anyone know when version 3.1 will be published?

> Jexl3 unsolvable property exception when using enum
> ---------------------------------------------------
>
>                 Key: JEXL-191
>                 URL: https://issues.apache.org/jira/browse/JEXL-191
>             Project: Commons JEXL
>          Issue Type: Bug
>    Affects Versions: 3.0
>            Reporter: Constantin Mitocaru
>            Assignee: Henri Biestro
>            Priority: Critical
>             Fix For: 3.0.1
>
>
> This code used to work under jexl2
> {code:java}
> public enum Gender { MALE, FEMALE};
> public static void main( String[] args ) throws ClassNotFoundException {
>     JexlEngine jexl = new JexlEngine();
>     Record r = new Record();
>     r.setHeader(new RecordHeader());
>     JexlContext jc = new MapContext();
>     jc.set("r", r );
>     jc.set("com.sytrue.objects.Gender", Gender.class );
>     Expression e = jexl.createExpression( "r.header.gender=com.sytrue.objects.Gender.FEMALE" );
>     System.out.println( e.evaluate(jc) );
> }
> {code}
> but under jexl3 it throws an exception:
> {code:java}
> public static void main( String[] args ) throws ClassNotFoundException {
>     JexlEngine jexl = new JexlBuilder().create();
>     Record r = new Record();
>     r.setHeader(new RecordHeader());
>     JexlContext jc = new MapContext();
>     jc.set("r", r );
>     jc.set("com.sytrue.objects.Gender", Gender.class );
>     JexlExpression e = jexl.createExpression( "r.header.gender=com.sytrue.objects.Gender.FEMALE" );
>     System.out.println( e.evaluate(jc) );
> }
> {code}
> The exception is:
> {code}
> Exception in thread "main" org.apache.commons.jexl3.JexlException$Property: com.sytrue.objects.record.app.JexlTestApp.main@1:42 unsolvable property 'FEMALE'
> {code}
> Temporary workaround is using the valueOf method:
> {code:java}
> JexlExpression e = jexl.createExpression( "r.header.gender=com.sytrue.objects.Gender.valueOf('FEMALE')" );
> {code}
> It seems that I no longer can access the enum type in jexl3.
> Is there any reason this doesn't work anymore or it is a bug



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