package com.baeldung; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import org.apache.commons.io.IOUtils; import com.amazonaws.services.lambda.runtime.Context; import com.amazonaws.services.lambda.runtime.RequestStreamHandler; public class LambdaRequestStreamHandler implements RequestStreamHandler { public void handleRequest(InputStream inputStream, OutputStream outputStream, Context context) throws IOException { String input = IOUtils.toString(inputStream, "UTF-8"); outputStream.write(("Hello World - " + input).getBytes()); } }