The Class Mediator creates an instance of a custom-specified class and sets it as a mediator. The class must implement the
org.apache.synapse.api.Mediator interface. If any properties are specified, the corresponding setter methods are invoked once on the class during initialization.
WRITERS: The following best practices are from the following FAQ: http://docs.wso2.org/wiki/display/FAQ/Mediators#Mediators-ClassCustom. If you make changes to the content here, be sure to update it there as well.