Re: License

From:
=?ISO-8859-1?Q?Arne_Vajh=F8j?= <arne@vajhoej.dk>
Newsgroups:
comp.lang.java.programmer
Date:
Sat, 19 Sep 2009 14:14:53 -0400
Message-ID:
<4ab51f99$0$280$14726298@news.sunsite.dk>
markspace wrote:

John Leonard wrote:

What exactly does this mean to me as an application developer?


It means you can't use this code.

I'm
only using the code as an example of the proper way to use JAXB. I
will cut, paste and refactor the code for use in my program.


Sun owns the resulting code if you do that. Also, if you remove the
copyright notice, you've violated the law.

I'd find at least two other examples of JAXB code, and use a combination
of all three patterns, but write the code yourself, copy nothing.


If the code is modified and the modified code is used in app that
is distributed, then the modified source code must be made available.

This applies to both GPL and CDDL.

The more interesting question is the implications for the rest
of the source code if the app is distributed.

If GPL is used, then any code "linked" to that code
must be under GPL or it is violating the license.

If CDDL is used, then it can be used with both open source code
and closed source code. Open source includes practically
all licenses except GPL (CDDL is not GPL compatible).

Whether the code can be used and whether GPL or CDDL should
be used depends on the app. It may be fine for some.

And SUN does not get any special rights to either modifications
of this code or code linked to this code - they of course get the
same rights as everybody else according to the previous.

The above is a summary of the general understanding of GPL and CDDL
among programmers - if this involves serious business, then a lawyer
with expertise in licenses should be consulted.

Arne

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