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The Class Mediator creates an instance of a custom specified class and sets it as a mediator. The class must implement the org.apache.synapse.api.Mediator
interface. If any properties are specified, the corresponding setter methods are once invoked on the class during initialization.
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Syntax
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<class name="class-name">
<property name="string" value="literal">
(either literal or XML child)
</property>
</class>
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You can configure the Mediator using XML. Click on "switch to source view" in the "Mediator" window. |
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Example
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<definitions xmlns="http://ws.apache.org/ns/synapse">
<sequence name="fault">
<makefault>
<code value="tns:Receiver" xmlns:tns="http://www.w3.org/2003/05/soap-envelope"/>
<reason value="Mediation failed."/>
</makefault>
<send/>
</sequence>
<sequence name="main" onError="fault">
<in>
<send>
<endpoint name="stockquote">
<address uri="http://localhost:9000/services/SimpleStockQuoteService"/>
</endpoint>
</send>
</in>
<out>
<class name="samples.mediators.SimpleClassMediator">
<property name="varible1" value="10"/>
<property name="varible2" value="5"/>
</class>
<send/>
</out>
</sequence>
</definitions>
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A simple Class Mediator Implementaion
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package samples.mediators; import org.apache.synapse.MessageContext; import org.apache.synapse.Mediator; import org.apache.axiom.om.OMElement; import org.apache.axiom.om.OMAbstractFactory; import org.apache.axiom.om.OMFactory; import org.apache.axiom.soap.SOAPFactory; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import javax.xml.namespace.QName; public class SimpleClassMediator implementsextends MediatorAbstractMediator { private static final Log log = LogFactory.getLog(DiscountQuoteMediator.class); private String varible1="10"; private String varible2="10"; private int varible3=0; public DiscountQuoteMediator(){} public boolean mediate(MessageContext mc) { // Do somthing useful.. // Note the access to the Synapse Message context return true; } public String getType() { return null; } public void setTraceState(int traceState) { traceState = 0; } public int getTraceState() { return 0; } public void setvarible1(String newValue) { varible1=newValue; } public String getvarible1() { return varible1; } public void setvarible2(String newValue){ varible2=newValue; } public String getvarible2(){ return varible2; } } |
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Description of the Class Mediator in WSO2 ESB. |
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