[Jazzlib-developers] Why is DataFormatException and Checksum copied from the JDK?

[Christian S. <chr...@sc...>]

Hi everyone,

 

I am about to redesign parts of the jazzlib package to allow the user to
select the particular implementation of the Inflater, Deflater and CRC32
class. This way a developer has the choice between optimum portability
provided by jazzlib or optimum performance provided by Sun JDK's native ZLIB
implementation. Now I have a question regarding this redesign:

 

Why is DataFormatException and Checksum provided? It seems to be copied from
the JDK, but it adds nothing to the original classes. I would like to get
rid of them in order to make my interface design easier and it would also
make the package a little bit leaner. I can't see why there should be
classes that add nothing to Sun's JDK implementation except that they would
allow

you to use it with a completely different implementation.

 

Any enlightenment welcome. :-)

 

With best regards,

Christian Schlichtherle

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