Expression Validation in Mule
Expression Validation in Mule is done by Validation component.
flow of Expression Validation :
Validation component configuration :
URL : http://localhost:8085/api/isfalse?name=himanshupp
Method : POST
if expression is not validated then payload will allowed to pass.
Input :
Output :
XML project code :
<?xml version="1.0" encoding="UTF-8"?>
<mule xmlns:http="http://www.mulesoft.org/schema/mule/http" xmlns:validation="http://www.mulesoft.org/schema/mule/validation" 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/validation http://www.mulesoft.org/schema/mule/validation/current/mule-validation.xsd">
<validation:config name="Validation_Configuration" doc:name="Validation Configuration"/>
<http:listener-config name="HTTP_Listener_Configuration" host="0.0.0.0" port="8085" basePath="/api" doc:name="HTTP Listener Configuration"/>
<flow name="test_isfalsevalidationFlow">
<http:listener config-ref="HTTP_Listener_Configuration" path="/isfalse" doc:name="HTTP"/>
<validation:is-false config-ref="Validation_Configuration" expression="#[message.inboundProperties.'http.query.params'.name=='himanshu']" doc:name="Validation"/>
</flow>
</mule>
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