gistfile1.xml

<jetty:connector name="Jetty" doc:name="Jetty" configFile="jetty-config.xml" />    

<mule-xml:xpath-filter name="XPathFilter" pattern="//product" expectedValue="1"/>

<flow name="xpath3">
  <jetty:inbound-endpoint exchange-pattern="request-response" address="http://0.0.0.0:8080/xpath3" connector-ref="Jetty"/>
  <expression-transformer expression="xpath3('//@id',payload,'NODESET')" />
  <json:object-to-json-transformer />
</flow>
  
<flow name="xpath2">
  <jetty:inbound-endpoint exchange-pattern="request-response" address="http://0.0.0.0:8080/xpath2" connector-ref="Jetty" />
  <expression-transformer expression="xpath('//@id')" />
</flow>
  
<flow name="xpathExtractor">
  <jetty:inbound-endpoint exchange-pattern="request-response" address="http://0.0.0.0:8080/extractor-transformer" connector-ref="Jetty" />
  <mule-xml:xpath-extractor-transformer expression="//@id" resultType="NODESET"/>
  <json:object-to-json-transformer />
</flow>
  
<flow name="xpathFilter">
  <jetty:inbound-endpoint exchange-pattern="request-response" address="http://0.0.0.0:8080/filter" connector-ref="Jetty" />
  <filter ref="XPathFilter" doc:name="Filter Reference"/>
</flow>