private static void TryLoadFromLocal(IAssemblyProviderResolveCallback resolveCallback,
string externalComponentsRefDirectory,
string targetFrameworkName,
IDictionary <string, string> dependencies,
string packageId,
string version)
{
var assemblyFullName = Path.Combine(externalComponentsRefDirectory, $"{packageId}.dll");
try
{
AssemblyLoadContext.Default.LoadFromAssemblyPath(assemblyFullName);
}
catch
{
try
{
if (dependencies.TryGetValue(packageId, out string explicitVersion))
{
version = explicitVersion;
}
NugetHelper.TryLoadFromNuget(externalComponentsRefDirectory, targetFrameworkName, packageId, version);
}
catch (Exception ex)
{
var entryAssembly = Assembly.GetEntryAssembly();
var resolved = resolveCallback.TryLoad(AssemblyLoadContext.Default, entryAssembly, targetFrameworkName, ex);
if (!resolved)
{
throw new FileLoadException($"{packageId}.{version} could not be loaded! [Local Source]");
}
}
}
}
protected virtual void LoadComponentsJson(IServiceCollection services,
IMvcBuilder builder,
List <HisarCacheAttribute> cacheItems,
string componentJsonFilePath,
string externalComponentsRefDirectory)
{
if (string.IsNullOrEmpty(componentJsonFilePath))
{
throw new ArgumentNullException(nameof(componentJsonFilePath));
}
if (!File.Exists(componentJsonFilePath))
{
throw new FileNotFoundException(nameof(componentJsonFilePath));
}
ComponentsJson json = null;
using (StreamReader file = File.OpenText(componentJsonFilePath))
{
JsonSerializer serializer = new JsonSerializer();
json = (ComponentsJson)serializer.Deserialize(file, typeof(ComponentsJson));
if (json == null || json.Components == null)
{
return;
}
}
foreach (KeyValuePair <string, ComponentJsonDefinition> entry in json.Components)
{
var componentId = entry.Key.GetComponentId();
if (ComponentAssemblyLookup.ContainsKey(componentId))
{
continue; // local wins
}
var packageId = entry.Key;
var targetFramework = entry.Value.TargetFramework;
var version = entry.Value.Version;
var assembly = NugetHelper.TryLoadFromNuget(externalComponentsRefDirectory, targetFramework, packageId, version);
if (assembly != null)
{
RegisterComponent(services, builder, assembly, cacheItems);
}
}
}
