I would like to propose an alternative solution to the problem that IMO fits well with current [collections] direction.
Consider a new Map implementation that acts as a direct replacement for HashMap, call it HashMapA (A for apache ;-). This class contains basically the same code as HashMap, although it must be written without using cut and paste (ie from scratch - Sun licence issues). HashMapA differs from HashMap in that the hashing algorithm and equals comparison methods are dedicated protected methods. It then becomes easy for a subclass to be written that compares keys using case insensitivity (amongst other things). HashMapA would also have a mapIterator() method to access the new map iterator concept. Finally, there would probably need to be a MapA interface to allow access to the map iterator. Stephen ----- Original Message ----- > > Umm, I didn't notice #get did not apply the transformation. Perhaps not > > such a good idea to use TransformedMap after all. > > > > This behaviour is certainly different to my expectations (although the > > documentation is clear enough on this point). I wonder what the original > > use-case for TransformedMap was. > > > > If the database client code restricts itself to using lowercase names > > (an aspect you are in control of) TransformedMap could still be useful > > but hardly as convenient as the original case insensitive map. > > It's a requirement that DbUtils clients use whatever case they want to > refer to column names in a Map so TransformedMap as it is now won't work. > > Regardless, DbUtils doesn't have a dependency on collections and shouldn't > add one just for this feature. The implementation of > CaseInsensitiveHashMap is trivial enough to maintain in DbUtils. I opened > the enhancement against collections in case anyone else had a need for > this kind of Map. If TransformedMap doesn't change then I think adding > CaseInsensitiveMap is the best solution. > > > > > -Janek > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > __________________________________ > Do you Yahoo!? > Free Pop-Up Blocker - Get it now > http://companion.yahoo.com/ > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
