November 2011
Intermediate to advanced
240 pages
5h 38m
English
Content preview from Building Hypermedia APIs with HTML5 and NodeBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3. JSON Hypermedia
I have the world’s largest collection of seashells. I keep it on all the beaches of the world; perhaps you’ve seen it.
- Stephen Wright
The second example chapter explores the challenges and advantages of using JSON as a base for designing a hypermedia type. The scenario includes requirements for basic read/write semantics for managing simple lists (friends, tasks, blog entries, etc.). This scenario relies on generic design that supports the ability to create customized implementations that reflect specific application domains not considered during the initial design. After designing the type and documenting the application domain, a sample server is built using test data and two clients are to be implemented: one that employs a single-page interface (SPI) model for HTML browsers and one that offers a quick command-line interface built using only Node.js.
Scenario
Unlike the Maze+XML media type, which was designed to support a very specific scenario, this example needs to support a range of similar implementations, that of managing lists such as contacts, tasks, bookmarks, blog entries, comments, etc. Also, unlike the last example, this one requires support for full read/write access to the data. The hypermedia design should contain enough application control information to allow clients to know how (and when) to add, edit, and delete data from the list. Finally, users should be able to discover and execute predefined queries to filter the server responses. ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.