[ Hypermedia ]
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Hypermedia allows links to be embedded in multimedia elements like images and videos.
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HATEOAS - Hypermedia As The Engine Of Application State
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Roy fielding creator of Http and Rest devised that REST api must be hypermedia driven. It means the the client only knows about the starting uri of the server, client should be able to navigate through one uri. The author of the api should be able to inform the client about the links.
"Roy T. Fielding REST APIs Must Be Hypertext-driven"
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Keeping the client decoupled.
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When staring a communication with the server, two things are important
- RooT URI
- Media type, for example text/html or application/json. Responsible for the behaviour
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Example json return {:content => content[:content], :links => [:rel => 'self', :href => request.url]}.to_json
application/json payload that is parsable media types custom media types rules applied to payload
Who created HTTP ? Roy Fieling