Required validator doesn't work with the Upload component
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Key: TAPESTRY-687
URL: http://issues.apache.org/jira/browse/TAPESTRY-687
Project: Tapestry
Type: Bug
Components: Framework
Versions: 4.0
Reporter: Chris Norris
Priority: Critical
Attachments: patch.txt
The org.apache.tapestry.form.validator.Required class can be used for the
Upload component, but does nothing. The object parameter passed in to
validate() will always be a non-null UploadPart, but will return a getSize() of
0. So if a user enters "alsdkfjlaskdfj02/:" as a file path in an upload
component with validators="validators:required", nothing will be marked as
errored.
I'm not sure if the Required validator is supposed to work for all things, but
I see that it has different conditions for Strings and Collections. I created
a patch that works with UploadPart objects as well.
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