Javascript Transformer in Mule | Scripting in Mule
We can write javascript code and perform javascript operations in Javascript Transformer.
flow of javascript transformer :
javascript code that is written in javascript transformer :
var x = eval('(' + payload + ')');
for (var i = 0, sum = 0; i < x.length; sum += x[i++]);
message.setPayload(sum + "");
result = message;
URL : http://localhost:8085/api/javascript
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_javascripttransformerFlow">
<http:listener config-ref="HTTP_Listener_Configuration" path="/javascript" doc:name="HTTP"/>
<byte-array-to-string-transformer doc:name="Byte Array to String"/>
<scripting:transformer doc:name="JavaScript">
<scripting:script engine="JavaScript"><![CDATA[ var x = eval('(' + payload + ')');
for (var i = 0, sum = 0; i < x.length; sum += x[i++]);
message.setPayload(sum + "");
result = message;
]]></scripting:script>
</scripting:transformer>
</flow>
</mule>
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