modules/mediators/scripts/sla_mediator/synapse.xml

<synapse xmlns="http://ws.apache.org/ns/synapse">

    <stage name="logall">
        <engage-addressing-in/>
        <log/>
    </stage>

    <stage name="service-specific">
        <!-- this matches the gateway case -->
        <regex message-address="to" pattern="/StockQuote.*">
            <ref ref="stockquote"/>
        </regex>
        <!-- this matches the virtual url case for either the proxy or ws-add case -->
        <regex message-address="to" pattern="http://stockquote.*">
            <ref ref="stockquote"/>
        </regex>
    </stage>

    <stage name="check-sla" >
        <regex message-address="to" pattern="http://www.webservicex.net/stockquote.asmx">
            <servicemediator name="SLA" service="SLAMediator"/>
        </regex>
    </stage>

    <stage name="sender">
        <send/>
    </stage>

    <!-- these are only called if referenced above-->
    <never>
        <stage name="stockquote">
            <header type="to" value="http://www.webservicex.net/stockquote.asmx" />
            <xpath expr="//*[wsx:symbol='MSFT']" xmlns:wsx="http://www.webserviceX.NET/">
                <fault/>
            </xpath>
        </stage>
    </never>
</synapse>