How to do validations in GWT MVP Pattern

[Akhil Anil]

I've developed a gwt application using MVP pattern ( View, Presenter). I need to add validation to my application but some stackoverflow links says that gwt mvp cannot have validations framework. I'm totally blown out.. i mean there has to be some way. Could someone please show me some tutorials or examples on how I can implement validations in a gwt applicaitons with mvp pattern. 

Thanks in advance...

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Thanks and regards....

May God Bless us!

AkH!L.

http://akhilspassion.blogspot.com 

[Jens]

GWT supports/emulates JSR 303 (Bean Validation) on the client: http://www.gwtproject.org/doc/latest/DevGuideValidation.html

-- J.

[RyanZA]

Slightly off topic, but do you know if the hibernate-validation support will be upgraded to version hibernate validator 5?

hibernate-validator-4.1.0.Final.jar requires on an old slf4j, and it plays a bit of havoc when including it in projects that require modern sl4j.

[Jens]

Slightly off topic, but do you know if the hibernate-validation support will be upgraded to version hibernate validator 5?

hibernate-validator-4.1.0.Final.jar requires on an old slf4j, and it plays a bit of havoc when including it in projects that require modern sl4j.

I don't think anyone is working on it, see: https://code.google.com/p/google-web-toolkit/issues/detail?id=7661 .

However you can solve your issue by creating separate projects for client and server side which is kind of a good practice anyways. That way server libs do not interference with client libs.

-- J.

[Ryan Chazen]

Yeah I have it working like that already, but it's still unfortunate. Maybe the best long term bet is to not use JSR 303 at all? It adds a bit more boilerplate code though.

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[Thomas Broyer]

On Monday, February 10, 2014 3:03:32 PM UTC+1, RyanZA wrote:

Yeah I have it working like that already, but it's still unfortunate. Maybe the best long term bet is to not use JSR 303 at all? It adds a bit more boilerplate code though.

No one maintains JSR 303 emulation; so if you're not ready to contribute to it, not using it might be safer (I'd prefer you use and contribute to it though :) )