Java AWS Lambda to log inbound event - useful when you don't know what structure an event has

WhatIsMyLambdaEvent.java

package io.symphonia;

import java.io.InputStream;
import java.io.OutputStream;

public class WhatIsMyLambdaEvent {
    public void handler(InputStream is, OutputStream os) {
        java.util.Scanner s = new java.util.Scanner(is).useDelimiter("\\A");
        System.out.println(s.hasNext() ? s.next() : "No input detected");
    }
}