<s>
Jello	O
is	O
an	O
end-to-end	O
Java	B-Language
application	O
framework	O
optimized	O
for	O
Google	B-Application
App	I-Application
Engine	I-Application
including	O
comprehensive	O
Data	O
Authorization	O
model	O
,	O
a	O
powerful	O
RESTful	B-Protocol
engine	O
,	O
and	O
out-of-the-box	O
UI	O
views	O
.	O
</s>
<s>
Jello	O
's	O
REST	O
offers	O
a	O
clean	O
,	O
and	O
simple	O
to	O
follow	O
,	O
JSON	B-General_Concept
format	O
.	O
</s>
<s>
Its	O
protocol	O
schema	O
follows	O
the	O
OData	B-Application
specification	O
.	O
</s>
<s>
The	O
following	O
components	O
are	O
part	O
of	O
Jello	B-Language
Framework	I-Language
:	O
</s>
<s>
Data	O
Model	O
:	O
Jello	O
uses	O
JDO	B-Language
(	O
Java	B-Language
Data	I-Language
Objects	I-Language
)	O
as	O
the	O
underlying	O
ORM	B-General_Concept
layer	O
to	O
map	O
Jello	O
Entities	O
to	O
the	O
database	O
.	O
</s>
<s>
With	O
Jello	O
you	O
can	O
assign	O
different	O
access	O
levels	O
for	O
data	O
elements	O
at	O
any	O
resolution	O
(	O
Namespaces	O
,	O
Entities	O
,	O
Fields	O
,	O
Actions	O
)	O
and	O
specify	O
who	O
is	O
authorized	O
to	O
access	O
the	O
data	O
via	O
the	O
REST	B-Protocol
API	I-Protocol
.	O
</s>
