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Configuring the SurveyMonkey Fault Handler Sequence
Following is a sample proxy service and fault handler sequence you can use as a starting point for handling faults when integrating with SurveyMonkey. Customize this sample to match your requirements.
Sample Proxy
<proxy xmlns="http://ws.apache.org/ns/synapse" name="SurveyMonkey_sampleProxy" transports="https,http" statistics="disable" trace="disable" startOnLoad="true"> <target> <inSequence onError="faultHandlerSeq"> <init> </init> <filter source="$axis2:HTTP_SC" regex="^[^2][0-9][0-9]"> <then> <switch source="$axis2:HTTP_SC"> <case regex="401"> <!--Fill with your Error code value and expression--> <property name="ERROR_CODE" value=""/> <property name="ERROR_MESSAGE" value | expression /> </case> <case regex="422"> <property name="ERROR_CODE" value=""/> <property name="ERROR_MESSAGE" value | expression/> </case> <case regex="404"> <property name="ERROR_CODE" value=""/> <property name="ERROR_MESSAGE" value | expression/> </case> <case regex="403"> <property name="ERROR_CODE" value=""/> <property name="ERROR_MESSAGE" value | expression/> </case> <case regex="400"> <property name="ERROR_CODE" value=""/> <property name="ERROR_MESSAGE" value | expression/> </case> <case regex="500"> <property name="ERROR_CODE" value=""/> <property name="ERROR_MESSAGE" value | expression/> </case> <default> <property name="ERROR_CODE" expression="$axis2:HTTP_SC"/> <property name="ERROR_MESSAGE" value | expression/> </default> </switch> <sequence key="faultHandlerSeq" /> </then> </filter> <respond /> </inSequence> <outSequence> <send></send> </outSequence> </target> </proxy>
faultHandlerSeq
<sequence xmlns="http://ws.apache.org/ns/synapse" name="faultHandlerSeq"> <property xmlns:ns="http://org.apache.synapse/xsd" name="contentTypeValue" expression="get-property('transport', 'Content-Type')"></property> <filter xmlns:ns="http://org.apache.synapse/xsd" xpath="get-property('contentTypeValue') = 'application/json' or get-property('contentTypeValue') = 'text/json'"> <then> <payloadFactory media-type="json"> <format> {"error_code":"$1", "error_message":"$2"} </format> <args> <arg expression="get-property('ERROR_CODE')" evaluator="xml"></arg> <arg expression="get-property('ERROR_MESSAGE')" evaluator="xml"></arg> </args> </payloadFactory> <property name="messageType" value="application/json" scope="axis2"></property> </then> </filter> <filter xmlns:ns="http://org.apache.synapse/xsd" xpath="get-property('contentTypeValue') = 'application/xml' or get-property('contentTypeValue') = 'text/xml'"> <then> <payloadFactory media-type="xml"> <format> <error_info> <error_code>$1</error_code> <error_message>$2</error_message> </error_info> </format> <args> <arg expression="get-property('ERROR_CODE')" evaluator="xml"></arg> <arg expression="get-property('ERROR_MESSAGE')" evaluator="xml"></arg> </args> </payloadFactory> <property name="messageType" value="text/xml" scope="axis2"></property> </then> </filter> <respond></respond> </sequence>