Creating 3rd Generation Web APIs with Hydra
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Presentation of the paper "Creating 3rd Generation Web APIs with Hydra" at the 22nd Internation World Wide Web Conference (WWW2013) in Rio de Janeiro, Brazil
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Creating 3rd Generation Web APIs with Hydra
- 1. Creating 3rd Generation Web APIs with Hydra Markus Lanthaler Graz University ofTechnology
- 3. Level 0:The Swamp of POX Level 1: Resources Level 2: HTTPVerbs Level 3: Hypermedia Controls
- 4. Using Web APIs is still challenging
- 6. Result: tightly coupled & brittle systems
- 7. REST + Linked Data: a match made!?
- 8. Semaphobia!?
- 13. { "id": "cso29ax", "title": "WWW2013", "description": "Presentation for dev track", "is_open": true, "created_at": "2012-11-26T04:49:44Z" } http://example.com/issues/cso29ax http://example.com/issue/{id}/comments/
- 14. { "id": "cso29ax", "title": "WWW2013", "description": "Presentation for dev track", "is_open": true, "created_at": "2012-11-26T04:49:44Z", "comments": "/issues/cso29ax/comments/" } http://example.com/issues/cso29ax
- 15. { "@context": "/ctx/context.jsonld", "id": "cso29ax", "title": "WWW2013", "description": "Presentation for dev track", "is_open": true, "created_at": "2012-11-26T04:49:44Z", "comments": "/issues/cso29ax/comments/" } http://example.com/issues/cso29ax
- 16. { "@context": { ... "is_open": "http://example.com/vocab#isOpen", "comments": { "@id": "http://example.com/vocab#comments", "@type": "@id" } } } http://example.com/ctx/context.jsonld
- 17. { "@context": "/ctx/context.jsonld", "id": "cso29ax", "title": "WWW2013", "description": "Presentation for dev track", "is_open": true, "created_at": "2012-11-26T04:49:44Z", "comments": "/issues/cso29ax/comments/" } http://example.com/issues/cso29ax { "@id": "#comments", "@type": "hydra:Link", ... }
- 18. { "@id": "#comments", "@type": "hydra:Link", "supportedOperations": [ { "@id": "#create-comment", "@type": "hydra:CreateResourceOperation", "label": "Creates a new comment", "method": "POST", "expects": "#Comment", "returns": "#Comment" } ] }
- 19. { "@id": "#Comment", "@type": "hydra:Class", "supportedProperties": [ { "property": "#text", "required": true, "readonly": false, "writeonly": false } ] }
- 21. Hydra Console
- 26. © 2013, Markus Lanthaler. Some Rights Reserved. http://creativecommons.org/licenses/by-nc-sa/3.0/ Thank You
- 28. Image Credits (1) http://www.flickr.com/photos/joeshlabotnik/3707230247/ (2) http://onlyhdwallpapers.com/high-definition-wallpaper/903850/ (4) http://www.flickr.com/photos/kaptainkobold/3203311346/ (6) http://www.flickr.com/photos/joyoflife/1570126182/ (8) http://en.wikipedia.org/wiki/The_Scream (9) http://www.vonwong.com/ (with permission)