What is REST?

What is REST?

1. REST

   • is an architectural style
   • REST-compliant systems
   • the concerns of client and server

2. Separation of Client and Server

   • the implementation of the client
     • without affecting the operation of the server
   • the implementation of the server
     • without affecting the operation of the client
   • Separating the user interface concerns from the data storage concerns
   • the flexibility of the interface across platforms
   • the same actions amd the same responses

3. Statelessness

   • the REST paradigm are stateless
   • This constraint of statelessness is enforced through the use of resource
     • any object
     • document
     • thing that you may need to store or send to other services
   • they do not rely on the implementation of interfaces
   • help RESTful applications?
     • quick performance
     • achieve reliability
     • scalability

4. Communication between Client and Server

   • Making Requests?
     • an HTTP verb
     • a header
     • path
     • optional message body
   • HTTP Verbs?
     • GET
     • POST
     • PUT
     • DELETE

5. Headers and Accept parameters

   • Accept?
     • the client sends the type of content that it is able to receive from the server
   • MIME Types
     • Type and subtype
       • They are separated by a slash (/)
       • Examples: Other types
         • imagen: image/png ; audio: audio/wav ; application: application/json

6. Paths

   • Requests must contain a path to a resource
   • This keeps nested paths simple to read and easy to understand

7. Sending Responses

   • Content Types
     • alerts the client to the type of data it is sending in the response body.
     • Apply MIME type
   • Response Codes
     • 200 (OK)
     • 201 (CREATED)
     • 204 (NO CONTENT)
     • 400 (BAD REQUEST)
     • 403 (FORBIDDEN)
     • 404 (NOT FOUND)
     • 500 (INTERNAL SERVER ERROR)

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