in struts 2 I want to save an ognl expression in my db and use it later to validate something. There is a way to check if that expression is formally correct?
Exist a library or a regex for that?
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What do you mean by *ognl expression to validate something*? – Roman C Jan 17 '14 at 11:07
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You mean validate the syntax of OGNL expression? So just run it and see if it executes correctly. – Aleksandr M Jan 17 '14 at 13:30
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yes sorry, I mean validate the syntax of OGNL expression. – simoneloru Jan 17 '14 at 14:08
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Be wary of allowing arbitrary OGNL expressions to run in your application. How are you executing the OGNL? – Dave Newton Jan 17 '14 at 15:07
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Withh `debugInterceptor` in place you can add `?debug=console` to url and get access to OGNL console (only in `devMode`) – Lukasz Lenart Jan 20 '14 at 07:51
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I need to save the ognl expression string and then use it later. But I have to check if the syntax is correct. – simoneloru Jan 20 '14 at 09:07