Specifying Dispatcher based validations in validation.xml
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Key: STR-3049
URL: https://issues.apache.org/struts/browse/STR-3049
Project: Struts 1
Issue Type: Improvement
Components: Core
Environment: N/A
Reporter: J Alex
I want to confirm if there's a way to specify a mapping between the dispatch
methods and the validations declaratively.
The method should be independent of javascript.
Scenario :
Consider a single-page form (i.e single HTML <form> mapping to say
/myAction.do ) with many sections, each section having its own Submit button.
On submit of each, ONLY the fields within that section must be validated.
Using DispatchAction to handle each submit button takes care of centralizing
the handler methods and making the Action classes crisp. But, when it comes to
validation, there's no way to specify in validation.xml the fields tied to a
specific dispatch method.
We could use the "page" parameter to delimit the validations, but this cannot
be done declaratively since we cannot dynamically change the "page" using
javascript on a particular submit. The workaround is to set validate=false, and
explicitly invoke validation from the Action class after setting the "page"
within each dispatcher method.
i.e
myForm.setPage(1);
I think it will be a good enhancement to provide this mapping within Struts
itself which i feel will greatly enhance the utility of DispatchAction.
ActionMessages errors = myForm.validate( mapping, request );
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