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Flash and ColdFusion

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Multiple Front ends using the same back end make it easier to port apps. ... How to get information into each front end without changing backend programming. ... – PowerPoint PPT presentation

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Title: Flash and ColdFusion


1
Flash and ColdFusion
  • Using Multiple Front Ends with a CF Backend.
  • Sandra Clark
  • Shayna Productions
  • slclark_at_shayna.com
  • www.shayna.com

2
The Challenge
  • How to use the same ColdFusion pages to serve
    multiple Front Ends (Flash, HTML) with no
    changes.
  • Why?
  • Flash has 96 penetration rate.
  • Same on all Browsers
  • Multiple Front ends using the same back end make
    it easier to port apps.
  • Section 508, HTML, WAP, FLASH

3
The Problems
  • How to get information into each front end
    without changing backend programming.
  • Each front end has to be able to handle the same
    type of data.

4
The Requirements
  • Each front end must be responsible for retrieving
    user input and processing it so that the
    ColdFusion server can use it in the same way.
  • Each front end must be responsible for retrieving
    data and processing it for display.
  • Back end must only be responsible for gathering
    information, running business tier, talking to
    database, and packaging up data for sending to
    front end.

5
The Flow
6
The Solution
  • XML
  • Standard way of sharing data
  • Both CF and Flash can handle XML with Parsers
  • CF_XMLPARSER from CFDev.com
  • Flash 5.0 has xml object built in

7
Can it Work?
  • ON TO THE CODE!

8
Gotchas
  • Debugging is a pain (Flash)
  • Could never get XML working in test mode,
  • Had to publish it to get XML working.
  • Flash kept caching the call to calc.cfm. Had to
    add a random number to the URL to make it work
    correctly.
  • Make sure debugging is off in CF Template, Flash
    cannot handle anything other than the XML coming
    back.
  • NO WHITE SPACE

9
Gotchas (2)
  • Debugging is a Pain (CF)
  • Cant see errors in a browser.
  • Use CFAdmin Application Log to find errors.
  • Use ltCFFilegt to write outputs to text file.
  • No White Space Use CFSilent
  • Use ReReplace to get rid of extra white space.
  • Coming from HTML ltCFHTTPgt
  • Get rid of attribute part before parsing XML

10
Links/References
  • Books
  • Foundation Flash (Friends of Ed)
  • Foundation Actionscript (Friends of Ed)
  • Flash XML Studio (Friends of Ed)
  • Actionscript The Definitive Guide (OReilly)
  • Inside XML (New Riders)
  • Lists
  • CFTalk (House of Fusion houseoffusion.com)
  • Flash List (Figleaf - chattyfig.figleaf.com)
  • Sites
  • xml.org
  • Flashcfm.com
  • www.macromedia.com/software/coldfusion/resources/f
    lash_coldfusion

11
Flash/Dynamic Sites
  • www.franklinplanner.com
  • www.ihotelier.com/onescreen/onescreen.cfm
  • CF_FlashBoard
  • http//www.mallofcharleston.com/flash/cf_flashboar
    d/purchase.cfm
  • www.smallblueprinter.com
  • www.egomedia.com
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