<s>
Jakarta	B-Language
XML	I-Language
Registries	I-Language
(	O
JAXR	B-Language
;	O
formerly	O
Java	B-Language
API	I-Language
for	I-Language
XML	I-Language
Registries	I-Language
)	O
defines	O
a	O
standard	O
API	B-General_Concept
for	O
Jakarta	B-Language
EE	I-Language
applications	O
to	O
access	O
and	O
programmatically	O
interact	O
with	O
various	O
kinds	O
of	O
metadata	O
registries	O
.	O
</s>
<s>
JAXR	B-Language
is	O
one	O
of	O
the	O
Java	B-Language
XML	I-Language
programming	O
APIs	B-General_Concept
.	O
</s>
<s>
The	O
JAXR	B-Language
API	B-General_Concept
was	O
developed	O
under	O
the	O
Java	B-Language
Community	I-Language
Process	I-Language
as	O
JSR	B-Language
93	I-Language
.	O
</s>
<s>
JAXR	B-Language
provides	O
a	O
uniform	O
and	O
standard	O
Java	O
API	B-General_Concept
for	O
accessing	O
different	O
kinds	O
of	O
XML-based	O
metadata	O
registry	O
.	O
</s>
<s>
Current	O
implementations	O
of	O
JAXR	B-Language
support	O
ebXML	B-Language
Registry	I-Language
version	O
2.0	O
,	O
and	O
UDDI	O
version	O
2.0	O
.	O
</s>
<s>
JAXR	B-Language
provides	O
an	O
API	B-General_Concept
for	O
the	O
clients	O
to	O
interact	O
with	O
XML	O
registries	O
and	O
a	O
service	B-Application
provider	I-Application
interface	I-Application
(	O
SPI	O
)	O
for	O
the	O
registry	O
providers	O
so	O
they	O
can	O
plug	O
in	O
their	O
registry	O
implementations	O
.	O
</s>
<s>
The	O
JAXR	B-Language
API	B-General_Concept
insulates	O
application	B-Application
code	O
from	O
the	O
underlying	O
registry	O
mechanism	O
.	O
</s>
<s>
When	O
writing	O
a	O
JAXR	B-Language
based	O
client	O
to	O
browse	O
or	O
populate	O
a	O
registry	O
,	O
the	O
code	O
does	O
not	O
have	O
to	O
change	O
if	O
the	O
registry	O
changes	O
,	O
for	O
instance	O
from	O
UDDI	O
to	O
ebXML	B-Language
.	O
</s>
<s>
Jakarta	B-Language
XML	I-Language
Registries	I-Language
(	O
JAXR	B-Language
)	O
was	O
removed	O
from	O
Jakarta	B-Language
EE	I-Language
9	I-Language
.	O
</s>
