gistfile1.xml

<flow name="test">
    <http:inbound-endpoint host="localhost" port="${port}" exchange-pattern="request-response"/>

    <jersey:resources>
        <component class="org.mule.module.jersey.HelloWorldComponent">
            <binding interface="org.mule.module.jersey.HelloWorldInterface">
                <flow-ref name="TransformationFlow" />
            </binding>
        </component>
    </jersey:resources>
</flow>

<flow name="TransformationFlow">
    <set-payload value="Hello World!" />
</flow>