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Re: Evaluating a GString

by melix :: Rate this Message:

Salut Guillaume,

As far as I understand, the Eval class does not take a binding as a parameter, and the expression has to be valid Groovy code (that's why I'm doing that nasty escapeJava things). I'd like to avoid escaping as much as possible.

How would you do that ?

glaforge wrote:

Have you looked at the Eval class?
http://groovy.codehaus.org/api/groovy/util/Eval.html

On Mon, Oct 27, 2008 at 12:19 PM, melix <cedric.champeau@lingway.com> wrote:
> Hi,
>
> I'm trying to find out if there's any shorter way to evaluate a GString from
> Java code. The string to be evaluated comes from an XML configuration file
> and includes placeholders. My solution seems rather complex for such a basic
> need, and I'm quite sure there are situations where it doesn't work properly
> :
>
> Binding binding = new Binding();
> ...
> String evaluatedRegex = "\""+
> org.apache.commons.lang.StringEscapeUtils.escapeJava(regex)+"\"";
> evaluatedRegex = new
> GroovyShell(binding).evaluate(evaluatedRegex).toString();
>
> I'd like to be able to write something like :
>
> String evaluatedRegex = new GString(regex, binding).toString();
>
> Or (cleaner) :
>
> String evaluatedRegex = GStringFactory.evaluate(regex, binding);
>
> Thanks
> ________________________________
> View this message in context: Evaluating a GString
> Sent from the groovy - user mailing list archive at Nabble.com.
>

--
Guillaume Laforge
Groovy Project Manager
G2One, Inc. Vice-President Technology
http://www.g2one.com

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