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https://issues.apache.org/jira/browse/TAPESTRY-2547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12620485#action_12620485
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Josh Canfield commented on TAPESTRY-2547:
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I was recently working on a page that needed to accept query parameters but
where the request was not generated from a form submit. Consider
"http://localhost/app/search?field=title&value=hello&sort=asc"; as a REST api,
where sort is optional. Putting this into an activation context is not so
appealing.
I was thinking that it would be great to have an annotation @QueryParameter, or
modify @Parameter to accept query=true. You could attach validators that
triggered an error event on failure...
I ended up coding it up by calling _request.getParameter() directly...
> Field validation is bypassed if form action url is used as a GET url
> --------------------------------------------------------------------
>
> Key: TAPESTRY-2547
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2547
> Project: Tapestry
> Issue Type: Bug
> Components: tapestry-core
> Affects Versions: 5.0.13
> Reporter: Francois Armand
>
> We have a form, the simpliest one is ok, say this one on "TestPage" page :
> <t:form>
> <t:textfield t:id="field" t:validate="required" t:value="value" />
> <t:submit/>
> </t:form>
> This form is supposed to required a a non empty value for value.
> All goes fine if we click on ok, but if a twisted tester try to enter
> directly the action url in the browser ( t5app/testpage.form), the field
> level validation are bypassed (but all form events are throws and so the one
> done in "onValidateFormFrom" arecorrectly performed).
> The result is that the form may be successful with inconsistent data, in our
> case a null value.
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