[rules-users] Trouble with the MVEL Map syntax

[Wolfgang Laun]

See below.

On 21/03/2012, barnesjd <barnesjd+nabble at gmail.com> wrote:
> I'm interested in using the
> http://mvel.codehaus.org/Inline+List,+Maps+and+Arrays compact syntax
> available for Maps in MVEL , but I can't quite get it right.  I am
> attempting to write a simple function to convert English numbers (i.e.
> "one", "two", etc) to the integer value.  This is how I would LIKE it to
> work:
>
> /function int englishToInt(String englishNumber)
> {
> 	return ["one":1, "two":2, "three":3, "four":4,
> "five":5].get(englishNumber.toLowerCase());
> }/
>
> The closest I've gotten to having it work is this:
>
> /function int englishToInt(String englishNumber)
> {
> 	Map m = ["one":1, "two":2, "three":3, "four":4, "five":5];
> 	Object obj = m.get(englishNumber.toLowerCase());
> 	
> 	if(obj != null)
> 		return Integer.parseInt(obj.toString());
> }/
>
> But I get this rather unhelpful error message:
> /
> Error importing : 'defaultpkg.EnglishToInt.englishToInt'
> [ function englishToIntenglishToInt (line:7): Syntax error on tokens, delete
> these tokens
>  ]/
>
> ... What tokens?? lol

The given line is the one with "function int..." - so delete all of it :)

When using MVEL like this, inserting
   dialect "mvel"
up front helps a lot.

-W




>
> Thanks,
> Joe
>
>
> --
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