public static IConfigurationBuilder AddEmbeddedResource(this IConfigurationBuilder builder,
EmbeddedResourceConfigurationOptions options, string environment = "Production")
{
builder.Add(new EmbeddedResourceConfigurationSource
{
Options = options,
Environment = environment
});
return(builder);
}
internal XamarinHostBuilder(EmbeddedResourceConfigurationOptions configurationOptions)
{
Configuration = new XamarinHostConfiguration();
Services = new ServiceCollection();
HostEnvironment = InitializeEnvironment(configurationOptions);
Configuration
.Add(new EmbeddedResourceConfigurationSource
{
Options = configurationOptions,
Environment = HostEnvironment.Environment
})
.Build();
Services.AddLogging(loggingBuilder =>
{
Logging = loggingBuilder;
loggingBuilder.AddConfiguration(Configuration.GetSection("Logging"));
loggingBuilder.AddDebug();
});
}
private XamarinHostEnvironment InitializeEnvironment(EmbeddedResourceConfigurationOptions configurationOptions)
{
#if false
// No straightforward way to get environment variables in Xamarin.
// "Production" is the host environment by default.
// It can be overridden in "appsettings.json" file by defining the "XAMARIN_ENVIRONMENT" value.
// "ASPNETCORE_ENVIRONMENT" has priority over "DOTNET_ENVIRONMENT".
var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ??
Environment.GetEnvironmentVariable("DOTNET_ENVIRONMENT") ??
Environments.Production;
#endif
string environment = "Production";
var assembly = configurationOptions.Assembly;
var file = $"{configurationOptions.Prefix}.appsettings.json";
if (assembly.GetManifestResourceInfo(file) != null)
{
using (var stream = configurationOptions.Assembly.GetManifestResourceStream(file))
{
// Get "XAMARIN_ENVIRONMENT" entry if defined.
var json = new StreamReader(stream).ReadToEnd();
var content = JsonDocument.Parse(json);
try
{
environment = content.RootElement.GetProperty("XAMARIN_ENVIRONMENT").GetString();
}
catch { }
}
}
var hostEnvironment = new XamarinHostEnvironment(environment);
Services.AddSingleton <IXamarinHostEnvironment>(hostEnvironment);
return(hostEnvironment);
}
public static XamarinHostBuilder CreateDefault(EmbeddedResourceConfigurationOptions configurationOptions)
{
var builder = new XamarinHostBuilder(configurationOptions);
return(builder);
}
public EmbeddedResourceConfigurationProvider(EmbeddedResourceConfigurationOptions options, string environment)
{
_options = options;
_environment = environment;
}
