private Type GetProviderDesignTimeServices(string provider, bool throwOnError)
{
Assembly providerAssembly;
try
{
providerAssembly = Assembly.Load(new AssemblyName(provider));
}
catch (Exception ex)
{
if (!throwOnError)
{
return(null);
}
throw new OperationException(DesignStrings.CannotFindRuntimeProviderAssembly(provider), ex);
}
var providerServicesAttribute = providerAssembly.GetCustomAttribute <DesignTimeProviderServicesAttribute>();
if (providerServicesAttribute == null)
{
if (!throwOnError)
{
return(null);
}
throw new InvalidOperationException(
DesignStrings.CannotFindDesignTimeProviderAssemblyAttribute(
nameof(DesignTimeProviderServicesAttribute),
provider));
}
Assembly designTimeProviderAssembly;
try
{
designTimeProviderAssembly = Assembly.Load(new AssemblyName(providerServicesAttribute.AssemblyName));
}
catch (Exception ex)
when(ex is FileNotFoundException || ex is FileLoadException || ex is BadImageFormatException)
{
if (!throwOnError)
{
return(null);
}
throw new OperationException(
DesignStrings.CannotFindDesignTimeProviderAssembly(providerServicesAttribute.PackageName), ex);
}
return(designTimeProviderAssembly.GetType(
providerServicesAttribute.TypeName,
throwOnError: true,
ignoreCase: false));
}
private void ConfigureProviderServices(string provider, IServiceCollection services, bool throwOnError = false)
{
_reporter.WriteVerbose(DesignStrings.FindingProviderServices(provider));
Assembly providerAssembly;
try
{
providerAssembly = Assembly.Load(new AssemblyName(provider));
}
catch (Exception ex)
{
var message = DesignStrings.CannotFindRuntimeProviderAssembly(provider);
if (!throwOnError)
{
_reporter.WriteVerbose(message);
return;
}
throw new OperationException(message, ex);
}
var providerServicesAttribute = providerAssembly.GetCustomAttribute <DesignTimeProviderServicesAttribute>();
if (providerServicesAttribute == null)
{
var message = DesignStrings.CannotFindDesignTimeProviderAssemblyAttribute(
nameof(DesignTimeProviderServicesAttribute),
provider);
if (!throwOnError)
{
_reporter.WriteVerbose(message);
return;
}
throw new InvalidOperationException(message);
}
var designTimeServicesType = providerAssembly.GetType(
providerServicesAttribute.TypeName,
throwOnError: true,
ignoreCase: false);
_reporter.WriteVerbose(DesignStrings.UsingProviderServices(provider));
ConfigureDesignTimeServices(designTimeServicesType, services);
}
private void ConfigureProviderServices(string provider, IServiceCollection services)
{
var providerAssembly = Assembly.Load(new AssemblyName(provider));
var providerServicesAttribute = providerAssembly.GetCustomAttribute <DesignTimeProviderServicesAttribute>();
if (providerServicesAttribute == null)
{
throw new InvalidOperationException(DesignStrings.CannotFindDesignTimeProviderAssemblyAttribute(provider));
}
var designTimeServicesType = providerAssembly.GetType(
providerServicesAttribute.TypeName,
throwOnError: true,
ignoreCase: false) !;
ConfigureDesignTimeServices(designTimeServicesType, services);
}
