[jira] [Commented] (LANG-968) NumberUtils#createInteger(String) NFE with multiple leading zeros

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

    [ https://issues.apache.org/jira/browse/LANG-968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13896300#comment-13896300 ] 

Stephan Knitelius commented on LANG-968:
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Didn't think about octal numbers, hence stripping leading zeros is not an option.

Yes using trim on the input String would do what I want, however it would be nicer if this was done by NumberUtils#create*(String).


> NumberUtils#createInteger(String) NFE with multiple leading zeros
> -----------------------------------------------------------------
>
>                 Key: LANG-968
>                 URL: https://issues.apache.org/jira/browse/LANG-968
>             Project: Commons Lang
>          Issue Type: Improvement
>          Components: lang.math.*
>    Affects Versions: 3.2.1
>            Reporter: Stephan Knitelius
>            Priority: Minor
>
> When trying to convert the String "0085" to an Integer I get the following numberFormatException:
> java.lang.NumberFormatException: For input string: "085"
> Looking at the code reveals that only a null check is preformed before delegating to Integer#decode.
> It would be nice if the NumberUtil classes create* Methods would offer some more support:
> - remove leading and traling spaces.
> - remove leading zeros.
> Note: this would also be in line with NumberUtils#isNumber(String) - this method evaluates "0085" as true.



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