Convert milliseconds to Date format

 import com.sap.gateway.ip.core.customdev.util.Message;

import java.util.HashMap;

 

def Message processData(Message message) {

    

def body = message.getBody(java.lang.String) as String;

def millis = 1503478810000

def Date = new Date(millis)

def DateTime = Date.format("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'")

message.setProperty("MillisecToDate",DateTime);

return message;

}