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From "Matt Benson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LANG-893) Default value for StrSubstitutor
Date Wed, 24 Jul 2013 17:35:49 GMT

    [ https://issues.apache.org/jira/browse/LANG-893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13718611#comment-13718611
] 

Matt Benson commented on LANG-893:
----------------------------------

I would suggest:
(a) that the default value separator be customizable, as are the token delimiters, and
(b) that the *default* default value separator be {{:-}} as in bash and other *nix shells,
as those are arguably where the default ${} delimiter set originated.
                
> Default value for StrSubstitutor
> --------------------------------
>
>                 Key: LANG-893
>                 URL: https://issues.apache.org/jira/browse/LANG-893
>             Project: Commons Lang
>          Issue Type: Improvement
>          Components: lang.text.*
>    Affects Versions: 2.4
>            Reporter: Lauri Siltanen
>            Priority: Minor
>
> public static void main(String[] args) {
> 		String s = "The number of ${item} items currently available: ${number}";		
> 		String result = StrSubstitutor.replace(s, Collections.singletonMap("item", "monitor"));
	
> 		System.out.println(result);
> 	}
> This results in: "The number of monitor items currently available: ${number}".
> I'd need a default value for a placeholder that cannot be resolved.
> String result = StrSubstitutor.replace(s, Collections.singletonMap("item", "monitor"),
"N/A");
> -> "The number of monitor items currently available: N/A".

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