ReST-ful Resource Management

ReST-ful .NET Data Services Presented By: Joe Davis http://stygma.com Twitter: @stygz Facebook: http://www.facebook.com/joe.davis

HTTP Request Structure ,[object Object],[object Object],[object Object],[object Object],[object Object]

HTTP GET Request ,[object Object],[object Object],[object Object]

HTTP POST Request ,[object Object],[object Object],[object Object],[object Object]

HTTP Response ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Quick Web Proxy Demo ,[object Object]

Semantics Structure (HTML) Presentation (Style) Behavior (Script) Perform Action Supply Context Specify Resource

The Web IS ReST ,[object Object],[object Object],[object Object]

Identify the Resource ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

HTTP Methods Deletes resource DELETE Create or Update resource (returns current state after update) PUT Create resource (returns current state after creation—handy if server-generated resource ID is required) POST Retrieve resource HEADERS ONLY HEAD Retrieve resource headers and body GET

ReST GET Request/Response ,[object Object],[object Object],HTTP/1.1 200 OK Content-Type: application/json Content-Length: 53 {“ProductID”:123,”Name”:”Super Widget”,”Price”:49.99}

ReST POST Request/Response ,[object Object],[object Object],[object Object],[object Object],[object Object],HTTP/1.1 201 CREATED Content-Type: application/json Content-Length: 53 {“ProductID”:456,”Name”:”Ultra Wigdet”,”Price”:59.99}

ReST PUT Request/Response ,[object Object],[object Object],[object Object],[object Object],[object Object],HTTP/1.1 202 ACCEPTED Content-Type: application/json Content-Length: 53 {“ProductID”:456,”Name”:”Ultra Widget”,”Price”:59.99}

HTTP Success Status Codes Partial Content 206 No Content 204 Accepted 202 Created 201 OK 200

HTTP Redirection Status Codes Found (Temporary Redirection) 302 Moved Permanently 301 Multiple Choices 300

HTTP Error Status Codes Request entity too large 413 Conflict 409 Request timeout 408 Method not allowed 405 Resource not found 404 Forbidden 403 Unsupported media type 415 Unauthorized 401 Bad Request 400

HTTP Server Error Status Codes HTTP version not supported 505 Service Unavailable 503 Not Implemented 501 Internal Server Error 500

Isn’t this SOAP? ,[object Object]

SOAP vs. ReST ,[object Object],[object Object],POST http://my.sample.com/stock HTTP/1.1 HOST: my.sample.com Content-Type: application/soap+xml Content-Length: 308 <?xml version="1.0"?> <soap:Envelope xmlns:soap=“http://www.w3.org/2001/12/soap-envelope” soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding"> <soap:Body xmlns:m="http://my.sample.com/stock"> <m:GetStock> <m:StockName>MSFT</m:StockName> </m:GetStock> </soap:Body> </soap:Envelope>

So what’s RDF? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sample RDF Request/Response ,[object Object],[object Object],HTTP/1.1 200 OK Content-Type: text/rdf Content-Length: 389 <?xml version="1.0"?> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:product="http://my.sample.com/product#"> <product:Widget rdf:about="http://my.sample.com/product#Super-Widget"> <product:ProductID>123</product:ProductID> <product:Name>Super Widget</product:Name> <product:Price>49.99</product:Price> </product:Widget > </rdf:RDF>

More Info…. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ReST-ful Resource Management

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