package com.serverless; import java.util.Collections; import java.util.Map; import org.apache.log4j.Logger; import com.amazonaws.services.lambda.runtime.Context; import com.amazonaws.services.lambda.runtime.RequestHandler; public class Handler implements RequestHandler, ApiGatewayResponse> { private static final Logger LOG = Logger.getLogger(Handler.class); @Override public ApiGatewayResponse handleRequest(Map input, Context context) { LOG.info("received: " + input); Response responseBody = new Response("Go Serverless v1.x! Your function executed successfully!", input); return ApiGatewayResponse.builder() .setStatusCode(200) .setObjectBody(responseBody) .setHeaders(Collections.singletonMap("X-Powered-By", "AWS Lambda & serverless.com")) .build(); } }