Groovy Transformer in Mule
Groovy transformer executes groovy script.The script can be written in transformer of we can refer a groovy file from a certain path.
Implements a Groovy script transformer backed by a Groovy script engine. All of the configuration fields for this transformer are covered in the Common Transformer Configuration Fields section of this page.
flow of Groovy Transformer :
Groovy script that we have written :
String str = payload;
String str1 = 'Hello' +' '+ payload
out.println(str1);
return str1;
Groovy Transformer configuration :
URL : http://localhost:8085/api/groovytransformer
Method : POST
Input :
Output :
XML project code :
<?xml version="1.0" encoding="UTF-8"?>
<mule xmlns:http="http://www.mulesoft.org/schema/mule/http" xmlns:scripting="http://www.mulesoft.org/schema/mule/scripting" xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation"
xmlns:spring="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd
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.mulesoft.org/schema/mule/scripting http://www.mulesoft.org/schema/mule/scripting/current/mule-scripting.xsd">
<http:listener-config name="HTTP_Listener_Configuration" host="0.0.0.0" port="8085" basePath="/api" doc:name="HTTP Listener Configuration"/>
<flow name="test_groovytransformerFlow">
<http:listener config-ref="HTTP_Listener_Configuration" path="/groovytransformer" doc:name="HTTP"/>
<object-to-string-transformer doc:name="Object to String"/>
<scripting:transformer doc:name="Groovy">
<scripting:script engine="Groovy"><![CDATA[String str = payload;
String str1 = 'Hello' +' '+ payload
out.println(str1);
return str1;]]></scripting:script>
</scripting:transformer>
</flow>
</mule>
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