In this chapter, we have learnt about HTTP and Spring Integration support for accessing HTTP methods and requests. We have also demonstrated multipart requests and responses, and have shown how to configure the inbound and outbound HTTP gateways and adapters.

We have learnt about sending multipart HTTP requests by configuring the Spring's inbound and outbound gateway. We have also demonstrated how we can use multi-value maps to populate the request and put the map in the HTTP header. Lastly, we have seen the list of payload expressions available.

In the next chapter, let us look at Spring's support to Hadoop.