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Date: Tue, 26 Jun 2007 12:28:26 -0700 (PDT)
From: "Joe Kelly (JIRA)" <jira@apache.org>
To: commons-dev@jakarta.apache.org
Subject: [jira] Commented: (LANG-76) [lang] EnumUtils.getEnum() doesn't work
 well in 1.5
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    [ https://issues.apache.org/jira/browse/LANG-76?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12508298 ] 

Joe Kelly commented on LANG-76:
-------------------------------

I like Marcus Schulte's suggestion. EnumUtils.getEnum() should force class initialization.

> [lang] EnumUtils.getEnum() doesn't work well in 1.5
> ---------------------------------------------------
>
>                 Key: LANG-76
>                 URL: https://issues.apache.org/jira/browse/LANG-76
>             Project: Commons Lang
>          Issue Type: Bug
>    Affects Versions: 2.1
>         Environment: Operating System: other
> Platform: Other
>            Reporter: Igor Laberov
>             Fix For: 3.0
>
>
> Hi,
> I encountered with problem using EnumUtils.getEnum() in 1.5. It appears that my
> Enum class should be accessed first so constructor will be called. In 1.4 it was
> enough to have myClass.class, so all static members were initialized. In 1.5 it
> doesn't work.
> I noticed that static members are not initialized anymore while acessing to
> class definition. See the code
> public class Test {
>     public static final class TT{
>         public static final TT one = new TT();
>         private TT(){
>             System.out.println("Called TT" );
>         }
>     }
>     
>     public static void main(String[] args) {
>      Class cl = TT.class;
>    // System.out.println( TT.one);
>   //  System.out.println(TT.class.isAssignableFrom(String.class));
>     }
> }
> In 1.4 constructor of TT is called, while in 1.5 is not. 
> Actually, according to the spec
> (http://java.sun.com/docs/books/jls/second_edition/html/execution.doc.html#57946),
> this is right behavior of Java. 
> Unfortunately, I didn't succeded to think about good solution..
> P.s. I know that in 1.5 we have enum built-in, but it is not the same, and we
> try to move to 1.5 without too much changes

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