[hibernate-issues] [Hibernate-JIRA] Created: (BVAL-34) Expose a simple message for consumption by metadata tools like JSF client validation?

[Emmanuel Bernard (JIRA)]

Expose a simple message for consumption by metadata tools like JSF client validation?
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                 Key: BVAL-34
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/BVAL-34
             Project: Bean Validation
          Issue Type: New Feature
          Components: spec-general
            Reporter: Emmanuel Bernard


>From Pete

True client side validation (no ajax calls allowed). JSR303 will expose (extensible) metadata about the validations on properties. This metadata can be used to attach a client side validator. JSF should provide client side validators for all the JSR303 built in metadata, and provide a system to register other JSR303-metadata/client side validator pairs. Open issues include:
  * What metadata JSR303 should expose to make this possible
  * How to provide error messages, as these can't be generated when the validation error occurs. The proposal is to provide a basic client side message context which can be used to populate the error message (including substituting in the input label and submitted value). The developer would provide both a simple message (for the client side) and a more complex one for when the full message context is available on the server
  * How to attach the correct client side validator to the html input tag.

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