CacheMediator will cache the response messages indexed using the hash value of the
request message, and subsequent messages with the same request (request hash will be
generated and checked for the equality) within the cache expiration period will be served
from the stored responses in the cache
The property mediator would save(or remove) a named property as a local property of
the Synapse Message Context or as a property of the Axis2 Message Context or
as a Transport Header.
Validate a message or an element against a schema
This internally uses the Xerces2-j parser, which cautions a lot about thread-safety and
memory leaks.