<s>
XML	B-Language
Interface	I-Language
for	I-Language
Network	I-Language
Services	I-Language
(	O
XINS	B-Language
)	O
is	O
an	O
open-source	B-Application
technology	O
for	O
definition	O
and	O
implementation	O
of	O
internet	O
applications	O
,	O
which	O
enforces	O
a	O
specification-oriented	O
approach	O
.	O
</s>
<s>
The	O
specification-oriented	O
approach	O
is	O
at	O
the	O
heart	O
of	O
XINS	B-Language
:	O
</s>
<s>
From	O
specifications	O
,	O
XINS	B-Language
is	O
able	O
to	O
generate	O
:	O
</s>
<s>
Technically	O
,	O
XINS	B-Language
is	O
composed	O
of	O
the	O
following	O
:	O
</s>
<s>
A	O
POX-style	O
RPC	B-Operating_System
protocol	O
(	O
called	O
the	O
XINS	B-Language
Standard	O
Calling	O
Convention	O
)	O
,	O
compatible	O
with	O
web	B-Application
browsers	I-Application
(	O
HTTP	B-Protocol
parameters	O
in	O
,	O
XML	B-Protocol
out	O
)	O
.	O
</s>
<s>
A	O
Log4J-based	O
technology	O
for	O
logging	O
(	O
called	O
Logdoc	O
)	O
,	O
offering	O
a	O
specification	O
format	O
,	O
internationalization	O
of	O
log	O
messages	O
,	O
generation	O
of	O
HTML	B-Language
documentation	O
and	O
generation	O
of	O
code	O
.	O
</s>
<s>
A	O
Java	B-Language
library	O
for	O
calling	O
XINS	B-Language
functions	O
,	O
the	O
XINS/Java	O
Client	O
Framework	O
;	O
in	O
xins-client.jar	O
.	O
</s>
<s>
A	O
server-side	O
container	O
for	O
Java-based	O
XINS	B-Language
API	B-Application
implementations	O
,	O
the	O
XINS/Java	O
Server	O
Framework	O
;	O
in	O
xins-server.jar	O
.	O
</s>
<s>
This	O
is	O
like	O
a	O
servlet	B-Language
container	I-Language
for	O
XINS	B-Language
APIs	B-Application
.	O
</s>
<s>
A	O
Java	B-Language
library	O
with	O
some	O
common	O
functionality	O
,	O
used	O
by	O
both	O
the	O
XINS/Java	O
Client	O
Framework	O
and	O
the	O
XINS/Java	O
Server	O
Framework	O
:	O
the	O
XINS/Java	O
Common	O
Library	O
,	O
in	O
xins-common.jar	O
.	O
</s>
<s>
Since	O
version	O
1.3.0	O
,	O
the	O
XINS/Java	O
Server	O
Framework	O
supports	O
not	O
only	O
POX-style	O
calls	O
,	O
but	O
also	O
SOAP	B-Application
and	O
XML-RPC	B-Protocol
.	O
</s>
<s>
And	O
it	O
supports	O
conversion	O
using	O
XSLT	B-Application
.	O
</s>
<s>
As	O
of	O
version	O
2.0	O
,	O
it	O
also	O
supports	O
JSON	B-General_Concept
and	O
JSON-RPC	B-General_Concept
.	O
</s>
<s>
XINS	B-Language
is	O
open-source	B-Application
and	O
is	O
distributed	O
under	O
the	O
liberal	O
BSD	B-Operating_System
license	I-Operating_System
.	O
</s>
<s>
All	O
XINS	B-Language
specification	O
files	O
are	O
Plain	B-Language
Old	I-Language
XML	I-Language
.	O
</s>
<s>
Compared	O
to	O
SOAP/WSDL/UDDI/etc	O
.	O
</s>
<s>
There	O
are	O
specifications	O
for	O
projects	O
,	O
environment	O
lists	O
,	O
APIs	B-Application
,	O
functions	O
,	O
types	O
and	O
error	O
codes	O
.	O
</s>
<s>
Below	O
is	O
an	O
example	O
of	O
a	O
XINS	B-Language
project	O
definition	O
.	O
</s>
<s>
An	O
example	O
of	O
an	O
API	B-Application
specification	O
file	O
:	O
</s>
<s>
The	O
XINS	B-Language
Standard	O
Calling	O
Convention	O
is	O
a	O
simple	O
HTTP-based	O
RPC	B-Operating_System
protocol	O
.	O
</s>
<s>
Input	O
consists	O
of	O
HTTP	B-Protocol
parameters	O
,	O
while	O
output	O
is	O
an	O
XML	B-Protocol
document	I-Protocol
.	O
</s>
<s>
This	O
approach	O
makes	O
it	O
compatible	O
with	O
plain	O
Web	B-Application
browsers	I-Application
.	O
</s>
<s>
There	O
are	O
no	O
known	O
products	O
that	O
provide	O
an	O
integrated	O
approach	O
to	O
specification-oriented	O
development	O
,	O
similar	O
to	O
XINS	B-Language
.	O
</s>
<s>
However	O
,	O
there	O
are	O
several	O
frameworks	O
and	O
libraries	O
that	O
provide	O
functionality	O
similar	O
to	O
individual	O
parts	O
of	O
XINS	B-Language
,	O
including	O
:	O
</s>
<s>
JWSDP	B-Language
:	O
Collection	O
of	O
various	O
XML	B-Protocol
and	O
SOAP	B-Application
technologies	O
for	O
the	O
Java	B-Language
programming	I-Language
language	I-Language
.	O
</s>
<s>
Apache	O
Axis	O
:	O
Java-based	O
framework	O
for	O
SOAP	B-Application
implementations	O
.	O
</s>
<s>
Codehaus	B-Language
XFire	I-Language
:	O
Idem	O
.	O
</s>
<s>
Hessian	O
Web	O
Service	O
Protocol	O
:	O
Binary	O
alternative	O
to	O
the	O
XINS	B-Language
Standard	O
Calling	O
Convention	O
.	O
</s>
