<s>
GlueGen	B-Language
is	O
a	O
Java	B-Language
tool	O
which	O
automatically	O
generates	O
the	O
Java	B-Language
and	O
Java	B-Language
Native	I-Language
Interface	I-Language
(	O
JNI	B-Language
)	O
code	O
needed	O
to	O
call	O
C	B-Language
libraries	O
from	O
Java	B-Language
code	I-Language
.	O
</s>
<s>
It	O
reads	O
in	O
ANSI	O
C	B-Language
header	O
files	O
and	O
GlueGen	B-Language
configuration	O
files	O
,	O
and	O
emits	O
C	B-Language
code	O
.	O
</s>
<s>
As	O
JNI	B-Language
can	O
be	O
complex	O
,	O
Gluegen	B-Language
simplifies	O
the	O
process	O
of	O
binding	O
Java	B-Language
to	O
C	B-Language
native	O
libraries	O
.	O
</s>
<s>
It	O
was	O
originally	O
developed	O
for	O
Java	B-Language
OpenGL	I-Language
(	O
JOGL	B-Language
)	O
,	O
a	O
Java	B-Language
OpenGL	I-Language
library	O
,	O
although	O
the	O
project	O
has	O
since	O
been	O
separated	O
so	O
it	O
can	O
be	O
used	O
with	O
other	O
libraries	O
.	O
</s>
<s>
As	O
of	O
2010	O
,	O
it	O
is	O
also	O
used	O
in	O
Java	B-Language
OpenAL	I-Language
(	O
JOAL	O
)	O
,	O
which	O
allows	O
Java	B-Language
code	I-Language
to	O
access	O
OpenAL	B-Application
libraries	O
.	O
</s>
<s>
For	O
JOGL	B-Language
,	O
GlueGen	B-Language
is	O
used	O
to	O
bind	O
OpenGL	B-Application
to	O
Java	B-Language
,	O
and	O
to	O
the	O
low-level	O
windowing	B-Application
system	I-Application
application	B-Application
programming	I-Application
interface	I-Application
(	O
APIs	B-Application
)	O
on	O
the	O
Microsoft	B-Application
Windows	I-Application
,	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
and	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
platforms	O
.	O
</s>
