January 2018
Intermediate to advanced
414 pages
10h 29m
English
Content preview from Hands-On Microservices with Kotlin
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What is a controller
Each request coming to a RESTful API is a stateless message that mainly will:
- Ask for a resource
- Update a resource
- Create a resource
- Delete a resource
Those requests will use JSON as the mechanism to interchange information.
JavaScript Object Notation (JSON) is a human-readable data format to transmit objects. It is a language-independent data format, but it was derived from JavaScript. Most programming languages include code to generate and parse JSON-format data.
Requests in a Spring web application are handled by a controller, a specialized component whose mission is to handle requests from a client and send responses back. Controllers can be used for a variety of communication protocols, but since we are going to ...
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