Интеrestни уеб услуги
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REST
([email protected])(http://svilen-online.blogspot.com)
2007, 30
Theme created bySakari Koivunen and Henrik OmmaReleased under the LGPL license.
...
:
HTTP
(scalability)
HTTP: URI FTP: login, cd /pub, get file.txtScalability: ? Transactionless design (GET, HEAD) (PUT, DELETE)
?
- ()
?
:
SOAP, WSDL, UDDI, WS-Security, WS-Reliability, WS-ReliableMessaging, WS-Addressing, WS-Transaction
?
:
, :
, , , , RSS/PDF
- , , , EXIF ;
?
(X)HTML CSS:
XML
JSON
HTTP
URI (URL)
GET, POST
: content-type, cookies
XMLHttpRequest
,
25 2007
webtech
URIs
( ) URI
:
http://example.com/svi/posts/latest
25 2007:
http://example.com/svi/posts/2007/06/25
webtechc
http://example.com/svi/tags/webtech
URIs
:
:
http://example.com/svi/webtech-in-varna
:
http://example.com/svi/webtech-in-varna/
comments
http://example.com/svi/webtech-in-varna/
comments/5
PDF:
http://example.com/svi/webtech-in-varna/pdf
HTTP
GET, POST - PUT, DELETE, HEAD, OPTIONS
: HTTP GET
: HTTP POST PUT
: HTTP PUT
: HTTP DELETE
: HEAD
:
:
(post)
:
HTML
http://localhost:3000/svi/posts
HTML:
http://localhost:3000/svi/posts/[id]
:
, ,
HTML
POST:
HTML
:
application/x-www-form-urlencoded
POST /svi/posts HTTP/1.0
Host: localhost:3000
Content-Type: application/x-www-form-urlencoded
Content-Length: 65
title=Breaking%20News&content=Global%20Warming%20is%20not%20Myth
multipart/form-data
POST:
HTTP
Location: URI
HTTP/1.1 201 Created
Date: Wed, 27 Jun 2007 23:26:23 GMT
Location: http://localhost:3000/svi/posts/1
GET:
GET /svi/posts/1 HTTP/1.0
URI
?
URI ( ):
http://localhost:3000/posts/plain-text
(content negotioation)
Accept:text/xml, application/xml, text/html; q=0.9, text/plain;
q=0.8, image/png, */*; q=0.5
PUT:
POST
XMLHttpRequest:
var httpRequest = new XMLHttpRequest();
httpRequest.open('PUT', '/svi/posts/1', true);
HTTP
PUT /svi/posts/1 HTTP/1.0
Host: localhost:3000
Content-Type: application/x-www-form-urlencoded
Content-Length: 95
title=Old%20News%20It%20is%20already%20happening%20&content=Global%20Warming%20is%20not%20Myth
PUT vs. POST. Fight!
PUT ?
URI , PUT
URI Location
DELETE:
XMLHttpRequest:
var httpRequest = new XMLHttpRequest();
httpRequest.open('DELETE', '/svi/posts/1', true);
HTTP
DELETE /svi/posts/1 HTTP/1.0
REST
,
URI
(GET/DELETE/PUT ..)
REST
(. GET )
? !
, .
REST
? !
, (cache)
REST
GET/HEAD
, (safety)
PUT/DELETE
, (idempotence)
POST
PUT/DELETE( )
? !
,
REST
5-6 ?
,
(GET - , POST , ..)
(/ )
REST
REST framework
Restlet (Java)
JSR 311: Java API for RESTful Web Services
Ruby On Rails (Ruby)
Django (Python)
Catalyst (Perl)
!, ?
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