What is the purpose of the @RequestBody annotation?
to automatically validate the characters contained in a request to ensure that they are a valid character encoding
to indicate whether an annotated handler method parameter should be bound to the web request body, which is converted by an HttpMessageConverter
to automatically generate a ThreadLocal byte stream from the body of a request that allows a request to scanned for security risks
to create a ThreadLocal byte stream that allows a request to be encoded for reading directly into a database