Struts, JSP: Time format

Dear all,
I have to validate an input field for time. If the local is "French", it should be "xxhxx" or "xxHxx" (e.g. 4h50) ; if it is "Dutch", it should be "xxuxx" or "xxUxx" (e.g. 4u50").
I am thinking of defining the format in ApplicationResource and use it in ActionForm validation. But in this case, how can I get the handdle of ApplicationResource inside the ActionForm validate method?
Or do you have a better solution?
Cheers,
Pengyou

Using Action MESSAGES and ActionErrors.

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I'm developing a struts/jsp web application that returns upwards of
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