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Web Application Properties as JSON

I saw an interesting question on sharepoint.stackexchange: How to access a Web application/Farm level property bag via jQuery/Javascript/ClientContext. Some time ago I tested a custom http handler, so I wanted to try a custom httphandler for this as well. It worked. Here more details:

Just deploy sp-lend-id.tupsam from the solution. If you don’t have any properties in your web application, just add some:

asnp microsoft.sharepoint.powershell
$app = get-spwebapplication http://dev
$app.Properties.Add("Santa", "Claus")
$app.Properties.Add("Ded", "Moroz")
$app.Properties.Add("Hel", "Muci")
$app.Update()

Then just to test open the httphandler directly in the browser:

http:///_layouts/sp-lend-id/tupsam/properties.ashx

Then add the script to your solution where you need it (customaction, masterpage…) and whenever you want some web application property just use it:

_webAppProperties.Santa

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