using System.Web;

using ServiceStack.WebHost.Endpoints;

using ServiceStack.WebHost.Endpoints.Metadata;

namespace ServiceStack

{

public class MetadataFeature : IPlugin

{

public void Register(IAppHost appHost)

{

appHost.CatchAllHandlers.Add(ProcessRequest);

}

public IHttpHandler ProcessRequest(string httpMethod, string pathInfo, string filePath)

{

var pathParts = pathInfo.TrimStart('/').Split('/');

if (pathParts.Length == 0) return null;

return GetHandlerForPathParts(pathParts);

}

private IHttpHandler GetHandlerForPathParts(string[] pathParts)

{

var pathController = string.Intern(pathParts[0].ToLower());

if (pathParts.Length == 1)

{

if (pathController == "metadata")

return new IndexMetadataHandler();

return null;

}

var pathAction = string.Intern(pathParts[1].ToLower());

if (pathAction == "wsdl")

{

if (pathController == "soap11")

return new Soap11WsdlMetadataHandler();

if (pathController == "soap12")

return new Soap12WsdlMetadataHandler();

}

if (pathAction != "metadata") return null;

switch (pathController)

{

case "json":

return new JsonMetadataHandler();

case "xml":

return new XmlMetadataHandler();

case "jsv":

return new JsvMetadataHandler();

case "soap11":

return new Soap11MetadataHandler();

case "soap12":

return new Soap12MetadataHandler();

case "types":

if (EndpointHost.Config == null

|| EndpointHost.Config.MetadataTypesConfig == null)

return null;

if (EndpointHost.Config.MetadataTypesConfig.BaseUrl == null)

EndpointHost.Config.MetadataTypesConfig.BaseUrl = ServiceStackHttpHandlerFactory.GetBaseUrl();

return new MetadataTypesHandler { Config = EndpointHost.AppHost.Config.MetadataTypesConfig };

case "operations":

return new ActionHandler((httpReq, httpRes) =>

EndpointHost.Config.HasAccessToMetadata(httpReq, httpRes)

? EndpointHost.Metadata.GetOperationDtos()

: null, "Operations");

default:

string contentType;

if (EndpointHost.ContentTypeFilter

.ContentTypeFormats.TryGetValue(pathController, out contentType))

{

var format = Common.Web.ContentType.GetContentFormat(contentType);

return new CustomMetadataHandler(contentType, format);

}

break;

}

return null;

}

}

}