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Available Dependencies
simonthorogood edited this page Dec 14, 2010
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By default, OpenRasta registers some useful implementations of services for you which you can access by simply adding a parameter of the correct service type to any constructor in any OpenRasta object, be that a pipeline contributor, a URI decorator, a codec or a simple handler. These services are exposed through the OpenRasta.Web
namespace.
Here’s a handy table of some of the most useful singletons/per-request services you can request in your constructors:
Service | Description |
---|---|
ICommunicationContext |
The OpenRasta “God object”, similar in nature to ASP.NET’s HttpContext . Accrues useful information through the lifetime of a request.Try to find another, more specific available interface before using this – it has the same level of mutable state as the aforementioned HttpContext ! |
IRequest |
Roughly similar to ASP.NET’s HttpRequest (usually seen on HttpContext.Current.Request ). Allows access to the request message, containing query string, URI and so forth |
IResponse |
Contains all data related to the response being sent back to the client. Roughly similar to ASP.NET’s HttpResponse . |
IHost |
Host-specific detail – application’s virtual path |
ILogger and ILogger<TLogSource> |
Provides access to the logging infrastructure |
IMetaModelRepository |
Contains a full MetaModelRepository, which allows you to reason about the relationships between things like handlers, resources, codecs and URIs |
IUriResolver |
Allows resolution of URIs to ResourceMatch instances and allows manual creation of URIs in code |
IHandlerRepository |
Single repository of all registered handler |
ICodecRepository |
Single repository of all registered codecs |