Dataweave is a language used to transform data between different formats like JSON, XML, Java objects, and more. The document demonstrates transforming JSON data to XML using Dataweave by writing a Dataweave script to map JSON fields to XML elements and attributes. It shows sample JSON input, the Dataweave code, and the XML output generated by the transformation.

1. The Powerful Dataweave –
Lab1
Srilatha Kante

2. Introduction
• Dataweave is a language used to transform the data
• Dataweave language is a powerful template engine
• Dataweave can transform the data to and from any kind of data
• JSON
• XML
• Pojos
• Maps
• CSV
• Etc.,

3. JSON to XML
• Create the sample JSON data
• Use the JSON data in Set Metadata in input section
• {
“description": “This Dataweave language is very powerful and we are
seeing JSON to XML transformation",
“type": “JSON to XML",
“date": “26-07-2016”
}

4. Transform Message in mule flow

5. Set Sample metadata in input

6. Write the dataweave script as
%dw 1.0
%output application/xml
---
{
order:{
type: "Transformation",
notes: payload.description,
details: payload.type
}
}

7. Check the output using Preview

8. Output as XML
• Click on Preview
• Check the output as,
<?xml version='1.0' encoding='windows-1252'?>
<order>
<type>Transformation</type>
<notes>This Dataweave language is very powerful and we are seeing
JSON to XML transformation</notes>
<details>By JSON to XML</details>
</order>