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);
}
}
}
private void RegisterComponent(IServiceCollection services, IMvcBuilder builder,
Assembly assembly,
List <HisarCacheAttribute> cacheItems)
{
var assemblyName = assembly.GetName().Name;
var componentId = assembly.GetComponentId();
ComponentAssemblyLookup.Add(componentId, assembly);
AssemblyLoadContext.Default.Resolving += DefaultResolving;
if (cacheItems != null)
{
cacheItems.AddRange(assembly.GetTypesAttributes <HisarCacheAttribute>());
}
try
{
var startupType = StartupLoader.FindStartupType(assemblyName, _env.EnvironmentName);
if (startupType != null)
{
var startup = StartupTypeLoader.CreateHisarConventionBasedStartup(startupType, ServiceProvider, _env);
StartupLookup.Add(componentId, startup);
startup.ConfigureServices(services);
services.AddMenuBuilders(startupType);
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
AssemblyLoadContext.Default.Resolving -= null;
}
var manager = builder.PartManager;
var assemblyPart = new AssemblyPart(assembly);
if (!manager.ApplicationParts.Contains(assemblyPart))
{
manager.ApplicationParts.Add(assemblyPart);
}
}
private void RegisterComponent(IServiceCollection services, IMvcBuilder builder,
Assembly assembly,
List <HisarCacheAttribute> cacheItems)
{
var assemblyName = assembly.GetName().Name;
var componentId = assembly.GetComponentId();
ComponentAssemblyLookup.Add(componentId, assembly);
if (cacheItems != null)
{
cacheItems.AddRange(assembly.GetTypesAttributes <HisarCacheAttribute>());
}
try
{
var startupType = StartupLoader.FindStartupType(assemblyName, _env.EnvironmentName);
if (startupType != null)
{
var startup = StartupTypeLoader.CreateHisarConventionBasedStartup(startupType, ServiceProvider, _env);
StartupLookup.Add(componentId, startup);
startup.ConfigureServices(services);
services.AddMenuBuilders(startupType);
}
}
catch (Exception ex)
{
throw ex;
}
var components = assembly.GetTypes().ToArray();
var controllers = components.Where(c => IsController(c.GetTypeInfo())).ToList();
builder.PartManager.ApplicationParts.Add(new TypesPart(components));
}
