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Dataweave Transformation (COPYBOOK to JSON) in Mule

  Dataweave Transformation (COPYBOOK to JSON) in Mule



This data format conversion COPYBOOK to JSON in dataweave is done by Transform Message component.

flow of copybook to json :




input.ffd(copybook schema) and output.json is stored in src/main/resources




for input meta data choose input.ffd from src/main/resources

input.ffd  :


form: FIXEDWIDTH

name: 'input'
values:
- { name: 'id', usage: M, type: Integer, length: 1 }
- { name: 'name', usage: M, type: String, length: 10 }
- { name: 'city', usage: M, type: String, length: 6 }
- { name: 'country', usage: M, type: String, length: 5 }




for output meta data choose output.json from src/main/resources

output.json :

[{


"id" : 1,

"name" : "Himanshu",
"city" : "Pune",
"country": "india"
}]



connect input metadata with output metadata



URL : http://localhost:8085/api/copybooktojson
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:dw="http://www.mulesoft.org/schema/mule/ee/dw" xmlns:metadata="http://www.mulesoft.org/schema/mule/metadata" 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/ee/dw http://www.mulesoft.org/schema/mule/ee/dw/current/dw.xsd
http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.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_dataweavecopybooktojsonFlow">
        <http:listener config-ref="HTTP_Listener_Configuration" path="/copybooktojson" doc:name="HTTP"/>
        <dw:transform-message doc:name="Transform Message" metadata:id="9e0359d2-7953-48d7-a2af-cb656b258dcf">
            <dw:input-payload mimeType="text/plain">
                <dw:reader-property name="schemaPath" value="input.ffd"/>
                <dw:reader-property name="segmentIdent"/>
            </dw:input-payload>
            <dw:set-payload><![CDATA[%dw 1.0
%output application/json
---
payload map ((payload01 , indexOfPayload01) -> {
id: payload01.id,
name: payload01.name,
city: payload01.city,
country: payload01.country
})]]></dw:set-payload>
        </dw:transform-message>
    </flow>
</mule>

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