JSOP in 60 seconds

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Browser enabled, HTTP-based protocol designed to exchange fine-grained information efficiently.

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  • Seems useful.
    The 'Sample GET' slides and 'Sample PATCH' one should probably use the same object names for better understanding.
    Same for the FORM-based examples.
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JSOP in 60 seconds

  1. 1. Introducing: JSOP
  2. 2. Pitch & Goal - Browser enabled, HTTP-based protocol designed to exchange fine-grained information efficiently. - Easy to consume by todays Web-”Gear” (browsers, flash & friends) - Probably suitable for an RFC @ IETF
  3. 3. Basics - Serialization to JSON (optionally YAML/XML) - GET (batch/hierarchical) - PUT (batch/hierarchical) - PATCH (json diff content type) - Support for binary as multipart
  4. 4. Retro-style - PUT & PATCH -> multipart POST - Allows for Simple HTML forms
  5. 5. Extensions - Sort-Order - Query - Typing - Locking - Versioning - Essentially: WebDAV + friends but simple
  6. 6. Sample GET Request: GET /myfolder.json HTTP/1.1 Response: { "createdBy" : "uncled", "name" : "myfolder", "id" : "50d9317a-3a95-401a-9638-333a0dbf04bb" "type" : "folder" }
  7. 7. Sample GET 2 Request: GET /myfolder.4.json HTTP/1.1 Response: { "createdBy" : "uncled", "name" : "myfolder", "id" : "50d9317a-3a95-401a-9638-333a0dbf04bb" "type" : "folder" "child1" : { "grandchild11" : { "depth3" : { "depth4 : { ... } } } } }
  8. 8. Sample PUT PUT /myfolder HTTP/1.1 { "createdBy" : "uncled", "name" : "myfolder", "id" : "50d9317a-3a95-401a-9638-333a0dbf04bb" "type" : "folder" "child1" : { "grandchild11" : { "depth3" : { "depth4 : { ... } } } } }
  9. 9. Sample PATCH PATCH /myfolder HTTP/1.1 +newdoc : { "type" : "document", "createdBy" : "me" } -olddoc >movingdoc : /otherfolder/mydocument ^lastModifiedBy : "me"
  10. 10. PATCH diff ops "+": create Node/Property/Resource "^": update Node/Property/Resource "-": delete Node/Property/Resource ">": move Node/Property/Resource
  11. 11. PATCH diff diff ::= members members ::= pair | pairs pair ::= key [ " : " value ] pairs ::= pair line-end pair | pair line-end pairs line-end ::= "rn" | "n" | "r" key ::= opchar id opchar ::= "+" | "^" | "-" | ">" id ::= * identification url (path | id) * value ::= value+ | value- | value^ | value> value+ ::= * a JSON object * value- ::= "" value^ ::= * any JSON value except JSON object * value> ::= id
  12. 12. POST wrap 1 POST /myfolder/my.gif HTTP/1.1 Content-Type: multipart/form-data; boundary=---------21447684891610979728262467120 Content-Length: 123 ---------21447684891610979728262467120 Content-Disposition: form-data; name="data" Content-Type: image/gif GIF89a...................!.......,............s...f.; ---------21447684891610979728262467120 Content-Disposition: form-data; name="jsop:diff" Content-Type: text/plain ^lastModifiedBy : "me" +exif { cameraMake : "Apple", cameraModel : "Apple" } ---------21447684891610979728262467120--
  13. 13. POST wrap 2 POST /myfolder/my.gif HTTP/1.1 Content-Type: multipart/form-data; boundary=---------21447684891610979728262467120 Content-Length: 123 ---------21447684891610979728262467120 Content-Disposition: form-data; name="exif/cameraMake" Content-Type: text/plain Another Vendor ---------21447684891610979728262467120--
  14. 14. POST wrap 3 POST /myfolder/ HTTP/1.1 Content-Type: multipart/form-data; boundary=---------21447684891610979728262467120 Content-Length: 123 ---------21447684891610979728262467120 Content-Disposition: form-data; name=""; filename="my.gif" Content-Type: image/gif GIF89a...................!.......,............s...f.; ---------21447684891610979728262467120 Content-Disposition: form-data; name=""; filename="yo.gif" Content-Type: image/gif GIF89a...................!.......,............s...f.; ---------21447684891610979728262467120 --
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