transform.bal

import ballerina/http;
import ballerina/xmldata;
listener http:Listener securedEP = new(9090);
final http:Client nettyEP = check new("http://netty:8688");
service /transform on securedEP {
    resource function post .(http:Request req) returns http:Response|http:BadRequest|error {
        json payload = check req.getJsonPayload();
        xml? xmlPayload = check xmldata:fromJson(payload);
        if (xmlPayload is xml) {
            http:Request clinetreq = new;
            clinetreq.setXmlPayload(xmlPayload);
            return <http:Response> check nettyEP->post("/service/EchoService", clinetreq);
        } else {
            return <http:BadRequest> {
                body:  "error converting json to xml"
            };
        }
    }
}