Implement BodyTransformer Handler

[KalevGonvick]

Feature Summary

Handler to modify an in-flight request/response .

Feature Requirements

• Option to specify what transformation is going to happen.
• Option to chain multiple transformations in-order.
• Option to add custom transformers (BONUS)

Sample Input & Output

Input:

{
    "bookstore": {
        "book": {
            "title": "Wow! A Book!",
        }
    }
}

Output:

<?xml version="1.0" encoding="UTF-8" ?>
 <root>
     <bookstore>
         <book>
             <title>Wow! A Book!</title>
         </book>
     </bookstore>
 </root>