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From "Mark Dacek (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LANG-1402) ArrayUtils should have null and index-safe get methods.
Date Sat, 07 Jul 2018 15:50:00 GMT

    [ https://issues.apache.org/jira/browse/LANG-1402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16535814#comment-16535814
] 

Mark Dacek commented on LANG-1402:
----------------------------------

I would welcome the ability to have a null returned. I'm much more concerned with having to
constantly check 



 
{code:java}
if(array == null || array.length >= index)
{code}
 

 

It complicates testing at times.

> ArrayUtils should have null and index-safe get methods.
> -------------------------------------------------------
>
>                 Key: LANG-1402
>                 URL: https://issues.apache.org/jira/browse/LANG-1402
>             Project: Commons Lang
>          Issue Type: New Feature
>          Components: General
>            Reporter: Mark Dacek
>            Priority: Minor
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> There should be a safe way to retrieve a value from array without having to check for
null and length. It would be a very simple implementation but could save developers a great
deal of time in writing and testing.
>  
> Something like 
>  
> {code:java}
> String[] a = null;
> ArrayUtils.get(a, 5); //returns null
> a = new String[5];
> ArrayUtils.get(a, 10); // returns null
>  
> a[0] = "Hello World";
> ArrayUtils.get(a, 0); // returns "Hello World"
> {code}
>  
>  We could handle a few other cases - a default return value. The tricky/annoying thing
is the need to cast everything in order to make this 



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