This example code is used for running a Java Lambda using API Gateway trigger. It uses AWS Lambda Core SDK for RequestStreamHandler implementation which is called by the trigger

Description

An AWS Lambda API Gateway Java application takes an arbitrary array of arrays with numbers and flattens it into a single array

The AWS service via the API Gateway takes input as application/json:

{"input":[1,[2,3,[4]],[5],6,[7,[8]]]}

And return output as application/json:

{"output":[1,2,3,4,5,6,7,8]} 

Curl URL

curl --location --request POST 'https://plmc541.execute-api.us-east-1.amazonaws.com/array' \
--header 'Content-Type: application/json' \
--data-raw '{"input":[1,[2,2,3,[4,7,11,8]],[5,4,15],6,[7,[8,9]]]} '

Response:

{"output":[1,2,2,3,4,7,11,8,5,4,15,6,7,8,9]}

How to build

mvn compile
mvn package