A mechanism to pass parameters to TypeConverters
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Key: STS-297
URL: http://mc4j.org/jira/browse/STS-297
Project: Stripes
Issue Type: New Feature
Components: Validation
Reporter: Andy
Assigned To: Tim Fennell
The canonical example is the ability to have a BigDecimal type converter that
will automatically truncate the number down to the required scale. For
example, you might want to be able to write something like:
@Validate([EMAIL PROTECTED](name="scale" value="2") BigDecimal dollarAmount;
@Validate([EMAIL PROTECTED](name="scale" value="0") BigDecimal liraAmount;
I don't particularly like the syntax that I've written above, but it would need
to be something flexible since each converter make take a different set of
parameters. Also, might need to deal with type issues - the parameter above is
obviously a number but the value is expressed as a string. Perhaps it could
work with:
@Param(name="foo", [numValue=N|stringValue="N"|etc.]?
Also would need to figure out how to make the type converter aware of these
parameters. Do we try to inject them using setters? Or just pass across a map
of key/value pairs?
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