[jira] [Resolved] (LANG-747) NumberUtils does not handle Long Hex numbers

["Sebb (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LANG-747?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebb resolved LANG-747.
-----------------------

       Resolution: Fixed
    Fix Version/s: 3.2
    
> NumberUtils does not handle Long Hex numbers
> --------------------------------------------
>
>                 Key: LANG-747
>                 URL: https://issues.apache.org/jira/browse/LANG-747
>             Project: Commons Lang
>          Issue Type: Bug
>          Components: lang.math.*
>            Reporter: Sebb
>             Fix For: 3.2
>
>
> NumberUtils.createLong() does not handle hex numbers, but createInteger() handles hex and octal.
> This seems odd.
> NumberUtils.createNumber() assumes that hex numbers can only be Integer.
> Again, why not handle bigger Hex numbers?
> ==
> It is trivial to fix createLong() - just use Long.decode() instead of valueOf().
> It's not clear why this was not done originally - the decode() method was added to both Integer and Long in Java 1.2.
> Fixing createNumber() is also fairly easy - if the hex string has more than 8 digits, use Long.
> Should we allow for leading zeros in an Integer? 
> If not, the length check is trivial.

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