Max and Min validators throw NumberFormatException
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Key: TAPESTRY-847
URL: http://issues.apache.org/jira/browse/TAPESTRY-847
Project: Tapestry
Type: Bug
Components: Framework
Versions: 4.0
Reporter: Chris Conrad
I have a text field on a form into which a user is supposed to enter a number
within a certain range. So I added the max and min validators to the text
field hoping they would do what they're supposed to do. Unfortunately, a user
quickly discovered that if they don't follow the instructions and enter a
letter into that text field they get an ugly NumberFormatException. I poked
around a little and found that I can't even catch that exception to present
something nicer to the user because my listener method never even gets called.
So, it would be extremely useful if the numerical related validators caught
NumberFormatException and provided a "The value must a be number" error message.
In this particular case, using any kind of drop down or selection box widget
wouldn't work because the number range is quite large (basically from 0 to
several million).
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