Camel has several endpoint components that support the Service Activator from the EIP patterns.
Components like Bean, CXF and Pojo provide a a way to bind the message exchange to a Java interface/service where the route defines the endpoints and wires it up to the bean.
In addition you can use the Bean Integration to wire messages to a bean using annotation.
Here is a simple example of using a Direct endpoint to create a messaging interface to a Pojo Bean service.
Using the Fluent Builders
Using the Spring XML Extensions
Using This Pattern
If you would like to use this EIP Pattern then please read the Getting Started, you may also find the Architecture useful particularly the description of Endpoint and URIs. Then you could try out some of the Examples first before trying this pattern out.