[jira] [Updated] (LANG-1306) Add nullToEmpty method in StringUtils

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

     [ https://issues.apache.org/jira/browse/LANG-1306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pascal Schumacher updated LANG-1306:
------------------------------------
    Fix Version/s:     (was: 3.6)

> Add nullToEmpty method in StringUtils
> -------------------------------------
>
>                 Key: LANG-1306
>                 URL: https://issues.apache.org/jira/browse/LANG-1306
>             Project: Commons Lang
>          Issue Type: New Feature
>          Components: lang.*
>            Reporter: Arshad Basha
>            Priority: Minor
>
> The nullToEmpty method will convert null reference to empty string, for non null str it will return the str as it is (i.e. without striping or removing space)
> This method doesn't strips white-space nor removes control characters from the start and end of the input string like StringUtils.stripToEmpty and StringUtils.trimToEmpty methods.
> This method will allow us to replace common code patterns like the following from client side code:
> 1) if(str == null) {   str = "";  }
> 2) return str == null ? "" : str;
> Examples:
>         assertEquals("", StringUtils.nullToEmpty(null));
>         assertEquals("", StringUtils.nullToEmpty(""));
>         assertEquals("abc", StringUtils.nullToEmpty("abc"));
>         assertEquals("  abc", StringUtils.nullToEmpty("  abc"));
>         assertEquals("abc  ", StringUtils.nullToEmpty("abc  "));
>         assertEquals("abc\t", StringUtils.nullToEmpty("abc\t"));



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