Hello Manju,You can create a sling servlet as well that will read data
and return Modified JSON view of page
(http://sling.apache.org/documentation/the-sling-engine/servlets.html)If
you want a component to to accessible like JSON then create json.jsp
under your component, write logic to render json output for that
component, create a node of type cq:Page under say /etc/something with
default redering as JSON based on above resource type. And then from
your e commerce system call /etc/something p...