introduce about Rest and WebApi

1. Author:
TU Tran
Skype: tranthanhtu83

2.  Overview
 Actions (Verbs)
 Output
 Constraints
 Q&A
Agenda
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3. REST stands for
“Representational State Transfer”
Overview
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4. Overview
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Web server
Client (Browser)
Request
Response
Hey, I need to GET
detail of #4 user
Here it is:

5. Actions (Verbs)
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Get list of resource
Get detail of resource
Create new resource
Update of resource
Delete a resource

6. Actions/ Get
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7. Actions/ Create
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8. Actions/ Update
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9. Actions/ Delete
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10. Output
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-JSON
-XML
-CSV

11. Output
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- Use header request
Accept: application/json
- Use query string
Get http://localhost/user.json
- Use file extension
Get http://localhost/user.json

12. Constraints
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Client – Server
Uniform Interface
Stateless
Cacheable
Layered System
Code on Demand (optional)

13. Constraints / Client - Server
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I will show this as
the list of users
OK, I will get this
from MSSQL

14. - Get detail of #4 user:
../api/users/4
- Get detail of #2 category:
../api/categories/2
Constraints / Uniform Interface
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15.  The request must be independent each other
 Easy to add more servers if need
Constraints / Stateless
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Web server
Client (Browser)
Request
Response
Hey Server, Please
looks in the package
to get whatever you
need
OK, I have all
information to
process your request

16. Constraints / Cacheable
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Avoiding unnecessary processing
Significantly increasing performance

17. Constraints / Layered System
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This structure is much more flexible to change

18. TU Tran
Q&A

19. THANK YOU
TU Tran