mule-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<mule xmlns="http://www.mulesoft.org/schema/mule/core"
      xmlns:context="http://www.springframework.org/schema/context"
      xmlns:http="http://www.mulesoft.org/schema/mule/http"
      xmlns:spring="http://www.springframework.org/schema/beans"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd
        http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-current.xsd">

    <spring:beans>

        <spring:bean class="org.springframework.context.annotation.CommonAnnotationBeanPostProcessor"/>
        <spring:bean name="loggingNotificationStrategy" class="io.o3p.mule.notification.LoggingNotificationStrategy"/>
        <spring:bean name="flowNListener"
                     class="io.o3p.mule.notification.FlowNotificationListener">
            <spring:property name="notificationStrategy" ref="loggingNotificationStrategy"/>
        </spring:bean>

        <spring:bean name="reqResNListener"
                     class="io.o3p.mule.notification.RequestResponseNotificationListener"/>

        <spring:bean name="httpRequesterNotificationListener"
                     class="io.o3p.mule.notification.HttpRequesterNotificationListener">
            <spring:property name="notificationStrategy" ref="loggingNotificationStrategy"/>
        </spring:bean>

        <spring:bean name="subFlowNotificationListener"
                     class="io.o3p.mule.notification.SubFlowNotificationListener">
            <spring:property name="notificationStrategy" ref="loggingNotificationStrategy"/>
        </spring:bean>

        <spring:bean class="io.o3p.mule.notification.NotificationListenerLoader">
            <spring:property name="flowNotificationListener" ref="flowNListener"/>
            <spring:property name="requestResponseNotificationListener" ref="reqResNListener"/>
        </spring:bean>
    </spring:beans>

    <notifications>
        <notification event="CONNECTOR-MESSAGE"/>
        <notification event="MESSAGE-PROCESSOR"/>
        <notification-listener ref="flowNListener"/>
        <notification-listener ref="reqResNListener"/>
        <notification-listener ref="httpRequesterNotificationListener"/>
        <notification-listener ref="subFlowNotificationListener"/>

    </notifications>

    <http:listener-config name="http-listener-test"
                          host="localhost"
                          port="8823"/>

    <http:request-config name="http-request-test"
                         host="localhost"
                         port="8823"/>

    <flow name="proxy">
        <http:listener config-ref="http-listener-test" path="/proxy"/>
        <flow-ref name="http-subflow"/>
        <http:request config-ref="http-request-test" method="get" path="/test"/>
    </flow>

    <sub-flow name="http-subflow">
        <logger level="INFO" message="Inside subflow"/>
        <http:request config-ref="http-request-test" method="get" path="/test"/>
    </sub-flow>

    <flow name="endpoint">
        <http:listener config-ref="http-listener-test" path="/test"/>
        <set-payload value="Test!"/>
    </flow>

    <flow name="request">
        <http:request config-ref="http-request-test" method="get" path="/test"/>
    </flow>

</mule>