RE: App Config Facility

[Ken Egozi]

I have been using the DictionaryAdapterFacility for that purpose for years now.

Sent from my Windows Phone

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From: adam.rp...@gmail.com
Sent: ‎10/‎9/‎2014 6:11 AM
To: castle-pro...@googlegroups.com
Subject: App Config Facility

Hi,

I haven't seen anything like this that comes as part of Windsor, but apologies in advance if I've just ended up reinventing the wheel.

I tend to create interfaces for accessing app config settings so that I can easily mock them when writing unit tests. What I found myself doing was ending up having to alter a concrete class with boiler plate code each time I added a new setting to an application, which was starting to get a bit annoying. So what I ended up doing was creating a Windsor facility that uses dynamic proxy to automatically implement a settings interface, so I don't have to update stuff in two places.

For example, say I've got some settings like:

<appSettings>

    <add key="Zendesk.Url" value="abc.zendesk.com"/>

    <add key="Zendesk.ApiToken" value="aaaaaaaaa"/>

    <add key="Git.Email" value="ad...@email.com"/>

    <add key="Git.Name" value="Adam Connelly"/>

</appSettings>

And a couple of interfaces:

public interface ZendeskConfig

{

    string Url { get; }

    string ApiToken { get; }

}

public interface GitConfig

{

    string Email { get; }

    string Name { get; }

}

You can configure your container like this:

var container = new WindsorContainer();

container.AddFacility<AppConfigFacility>();

container.Register(

    Component.For<IZendeskConfig>().FromAppConfig(c => c.WithPrefix("Zendesk.")),

    Component.For<IGitConfig>().FromAppConfig(c => c.WithPrefix("Git."))

);

Then just resolve them / inject them as normal.

It also supports getting the settings from Azure, caching, and computed properties currently.

The code's available on Github at https://github.com/adamconnelly/WindsorAppConfigFacility.

What I'm wondering is whether you'd be interested in adding this to Windsor, and if so, what would I need to change for you to accept it. I'm more than happy to reformat any files to suit your code format, and make any changes where I've missed stuff.

Cheers,

Adam

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[Adam Connelly]

Hi Ken,

I saw an article about that, and it looked pretty cool, but the problem I had with it is that we host some of our project in azure, and I don't think you can get access to your config settings in the same way. Instead you have to make a call to CloudConfigurationManager.GetSetting with the key.

Maybe I just overlooked something obvious at the time though.

Cheers,

Adam