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Uploaded byNick Tong
Programming coldfusion with APIs
This document discusses APIs (Application Programming Interfaces) and their uses. APIs allow different applications to share data and functionality in a standardized way. They enable the creation of "mashups" which combine content from multiple sources into new applications. Examples of popular APIs are given for services like Flickr, Google Maps, and the BBC. REST and SOAP are described as common methods for accessing API data. The benefits of using APIs include separation of concerns between applications, easier upgrades and scalability, and enabling new applications through content aggregation.
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Programming coldfusion with APIs
- 1. Programming with APIsNick Tong http://TalkWebSolutions.co.uk http://succor.co.uk Creative Commons Attribution ShareAlike 2.5
- 2. Agenda Who thehell is this guy? What are APIs? So what? Mash ups Connecting to APIs Examples of APIs Reliability Where is this all heading?
- 3. Who the hellare you? CF developer for 7 years Blogger for over 1 year Wanna be extreme dude… You decide!
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- 5. API? Abbreviation of A pplication P rogram I nterface , a set of routines , protocols , and tools for building software applications . A good API makes it easier to develop a program by providing all the building blocks. A programmer simply puts the blocks together. APIs define the complete methods by which a programmer can access and control a given system.
- 6. So what! TheWeb of documents has morphed into a Web of data. We are no longer just looking to the same old sources for information. Now we’re looking to a new set of tools to aggregate and remix microcontent in new and useful ways. http://www.digital-web.com/articles/web_2_for_designers/
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- 8. Why is thisa good idea? Application
- 9. Application B ApplicationC Application A
- 10. Application A ApplicationC Application B
- 11. Allows rule implementationFix problems easier Improve scalability
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- 13. Working with APIsTake data (or content) aka INFORMATION from one or several locations and present them as you see fit! What does this bring? Separation of concerns Information Vs Layout http://flickr.com/photos/b4r7/14001542/
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- 17. Some examples cont…http://flickr.com/photos/gisuser/62266454/ Alertdude Google Mashup maps Florida sexual offenders
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- 19. Why not? AssociateID required Non Commercial use Non competition clause Plus others Take the BBC for example, we pay for it then we’re are only allowed to use a restricted subset!
- 20. How do weget the data? Web services REST ( RE presentational S tate T ransfer) SOAP ( S imple O bject A ccess P rotocol) XML-RPC JSON Flash Remoting
- 21. REST vs SOAPREST Messages are represented in plain XML HTTP is used for the transfer protocol HTTP verbs are used for access/manipulation commands URIs are used to uniquely identify resources in message HTTP authentication provides security There is no formal method for expressing the interface contract SOAP Messages are represented in a standardized XML SOAP "envelope" Can be bound to various protocols including HTTP and SMTP Access to and manipulation of data are application specific Security is not described by SOAP and is to be provided by the developer XML schemas are used to define the contract between client and service http://res.sys-con.com/story/apr05/79282/fig1.jpg http://res.sys-con.com/story/apr05/79282/fig2.jpg
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- 23. I’m A RESTafarian http://flickr.com/photos/pantagrapher/17089865/
- 24. Okay show methe good stuff! Lets look as some code: Simple Example Yahoo APIs
- 25. But what aboutreliability? Use Meta APIs i.e. Mapstraction Cache data – only call new data if its required Their success is through your success
- 26. Sum things upalready! APIs are a great way to make content available to multiple applications Upgrades and saleability to be more manageable Separation of concerns Rapid development Grows applications Makes large site possible Exciting via mash ups Fun
- 27. One last thing Microformats Microformat types People and Organizations hCard Calendars and Events hCalendar Opinions, Ratings and Reviews VoteLinks , hReview Tags, Keywords, Categories rel-tag Lists and Outlines XOXO Social Networks XFN Licenses: rel-license What are microformats? D esigned for humans first and machines second, microformats are a set of simple, open data formats built upon existing and widely adopted standards.
- 28. Credits Thanks to Simon Willison Paul Hammond Aral Balkan http://www.programmableweb.com http://res.sys-con.com Creative Commons Attribution ShareAlike 2.5
- 29. Questions? [email_address] http://succor.co.ukhttp://talkwebsolutions.co.uk Projects http://cfFrameworks.com – Coldfusion frameworks information site. http://wapurl.co.uk – short mobile urls