On Tue, 14 Jan 2003, Brad BARCLAY wrote:
>On Tue, 14 Jan 2003 13:31:03 -0500 (EST), [EMAIL PROTECTED] wrote:
>
> It would be best to have something in javax.usb., but with a
>different name (perhaps USBNotActiveException). This is for two
>reasons:
>
> 1) As some users will want to use existing stream classes with
>their open USB ports, there is the possibility for a name-space
>collision if the developer just indiscriminately imports everything
>from both java.io and javax.usb. Thus, if they do something like...
>
> import java.io.*;
> import javax.usb.*;
>
> ...
>
> try {
> ...bunch of USB and IO stuff that could throw one or the
>other type of NotActiveException...
> } catch (NotActiveException e) <-- which
>"NotActiveException" class
> are we catching here?
Yes, this is how I found out about java.io.NotActiveException...
> Now I suppose there are two schools of thought on this -- that
>the developer should be smart enough to avoid issues like this, and can
>fix it when the compiler complains about it vs. setting things up to
>prevent problems for the slightly careless developer. Personally, I
>lean (ever so slightly) towards the latter in this case.
Me too, I don't think anyone should have to specify the package when
referencing a class. Certainly there shouldn't be
java.io.NotActiveException and javax.usb.NotActiveException.
> 2) Sun's API description for java.io.NotActiveException
>specifically states that the exception is thrown due to object
>serialization not being active and/or available. This isn't how Java
>USB will be using it, hence it doesn't really make sense to do so.
true.
perhaps all exceptions in javax.usb should be prefixed with 'Usb'...
--
Dan Streetman
[EMAIL PROTECTED]
---------------------
186,272 miles per second:
It isn't just a good idea, it's the law!
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