public ModuleContextCandidate(
Assembly assembly,
Type moduleConfigType,
LibraryModuleConfiguration libraryModuleConfiguration,
IModuleConfigurationManager moduleConfigurationManager,
EmbeddedFileProvider embeddedFileProvider,
IModuleConfiguration defaultModuleConfiguration
)
{
Assembly = assembly;
ModuleConfigType = moduleConfigType;
LibraryModuleConfiguration = libraryModuleConfiguration;
ModuleConfigurationManager = moduleConfigurationManager;
EmbeddedFileProvider = embeddedFileProvider;
DefaultModuleConfiguration = defaultModuleConfiguration;
}
private static IList <ModuleContext> GetAssemblies(IConfiguration configuration, ILoggerFactory loggerFactory)
{
var assemblyList = new List <ModuleContext>();
var defaultConfigurationSection = configuration.GetSection("DefaultConfiguration"); // module.*.json5
var configurationSection = configuration.GetSection("Configuration"); // modules-autogenerated.xml
var loadedAssemblies = new ConcurrentDictionary <string, Assembly>();
var moduleCandidatePerAssembly = new ConcurrentDictionary <string, IDictionary <string, ModuleContextCandidate> >();
var standaloneModuleCandidatePerAssembly = new ConcurrentDictionary <string, ModuleContextCandidate>();
foreach (var libraryModuleKeySection in defaultConfigurationSection.GetChildren())
{
var libraryModuleSection = defaultConfigurationSection.GetSection(libraryModuleKeySection.Key);
var generalModuleConfiguration = new LibraryModuleConfiguration();
libraryModuleSection.Bind(generalModuleConfiguration);
var assembly = loadedAssemblies.GetOrAdd(
generalModuleConfiguration.AssemblyName,
Assembly.Load
);
var moduleCandidate = moduleCandidatePerAssembly.GetOrAdd(
generalModuleConfiguration.AssemblyName,
(key) => new Dictionary <string, ModuleContextCandidate>()
);
var moduleConfigType = assembly.ExportedTypes.FirstOrDefault(
x => typeof(IModuleConfiguration).IsAssignableFrom(x)
);
var moduleConfigurationManagerType = assembly.ExportedTypes.FirstOrDefault(
x => typeof(IModuleConfigurationManager).IsAssignableFrom(x)
);
if (moduleConfigType != null)
{
var moduleConfigurationSection = libraryModuleSection.GetSection("Configuration");
IModuleConfiguration defaultModuleConfiguration = null;
if (moduleConfigurationSection.GetChildren().Any())
{
defaultModuleConfiguration = Activator.CreateInstance(moduleConfigType) as IModuleConfiguration;
moduleConfigurationSection.Bind(defaultModuleConfiguration);
}
IModuleConfigurationManager moduleConfigurationManager = null;
if (moduleConfigurationManagerType != null)
{
moduleConfigurationManager =
Activator.CreateInstance(moduleConfigurationManagerType) as IModuleConfigurationManager;
}
var embeddedFileProvider = new EmbeddedFileProvider(assembly);
if (string.IsNullOrEmpty(defaultModuleConfiguration?.Name))
{
assemblyList.Add(
new ModuleContext(
assembly,
moduleConfigType,
generalModuleConfiguration,
moduleConfigurationManager,
embeddedFileProvider,
null,
defaultModuleConfiguration
)
);
}
else
{
moduleCandidate.Add(
defaultModuleConfiguration.Name,
new ModuleContextCandidate(
assembly,
moduleConfigType,
generalModuleConfiguration,
moduleConfigurationManager,
embeddedFileProvider,
defaultModuleConfiguration
)
);
}
standaloneModuleCandidatePerAssembly.GetOrAdd(
generalModuleConfiguration.AssemblyName,
(key) => new ModuleContextCandidate(
assembly,
moduleConfigType,
generalModuleConfiguration,
moduleConfigurationManager,
embeddedFileProvider,
defaultModuleConfiguration
)
);
}
}
foreach (var libraryModuleKeySection in configurationSection.GetChildren())
{
var libraryModuleSection = configurationSection.GetSection(libraryModuleKeySection.Key);
var generalModuleConfiguration = new LibraryModuleConfiguration();
libraryModuleSection.Bind(generalModuleConfiguration);
if (
!loadedAssemblies.TryGetValue(generalModuleConfiguration.AssemblyName, out var assembly) ||
!moduleCandidatePerAssembly.TryGetValue(generalModuleConfiguration.AssemblyName, out var moduleCandidates)
)
{
// something went terribly wrong, try to keep it alive by continue
continue;
}
var moduleConfigType = assembly.ExportedTypes.FirstOrDefault(
x => typeof(IModuleConfiguration).IsAssignableFrom(x)
);
if (moduleConfigType != null)
{
IModuleConfiguration moduleConfiguration = null;
var configurationInstanceSection = libraryModuleSection.GetSection("Configuration");
if (configurationInstanceSection.GetChildren().Any())
{
moduleConfiguration = Activator.CreateInstance(moduleConfigType) as IModuleConfiguration;
configurationInstanceSection.Bind(moduleConfiguration);
}
if (
moduleConfiguration != null &&
!string.IsNullOrEmpty(moduleConfiguration.Name) &&
moduleCandidates.TryGetValue(moduleConfiguration.Name, out var moduleCandidate)
)
{
assemblyList.Add(
new ModuleContext(
moduleCandidate.Assembly,
moduleCandidate.ModuleConfigType,
moduleCandidate.LibraryModuleConfiguration,
moduleCandidate.ModuleConfigurationManager,
moduleCandidate.EmbeddedFileProvider,
moduleConfiguration,
moduleCandidate.DefaultModuleConfiguration
)
);
moduleCandidates.Remove(moduleConfiguration.Name);
}
else if (
moduleConfiguration != null &&
standaloneModuleCandidatePerAssembly.TryGetValue(
generalModuleConfiguration.AssemblyName,
out var standaloneModuleCandidate
)
)
{
assemblyList.Add(
new ModuleContext(
standaloneModuleCandidate.Assembly,
standaloneModuleCandidate.ModuleConfigType,
standaloneModuleCandidate.LibraryModuleConfiguration,
standaloneModuleCandidate.ModuleConfigurationManager,
standaloneModuleCandidate.EmbeddedFileProvider,
moduleConfiguration,
standaloneModuleCandidate.DefaultModuleConfiguration
)
);
}
else
{
loggerFactory?.CreateLogger <IModuleConfiguration>().LogWarning(
string.Format(
"Dynamic module of type '{0}' lack of configuration or name, skipping. Assuming only make available dynamic module for other purpose",
generalModuleConfiguration.AssemblyName
)
);
}
}
}
foreach (var moduleCandidates in moduleCandidatePerAssembly.Values)
{
foreach (var moduleCandidate in moduleCandidates.Values)
{
assemblyList.Add(
new ModuleContext(
moduleCandidate.Assembly,
moduleCandidate.ModuleConfigType,
moduleCandidate.LibraryModuleConfiguration,
moduleCandidate.ModuleConfigurationManager,
moduleCandidate.EmbeddedFileProvider,
null,
moduleCandidate.DefaultModuleConfiguration
)
);
}
}
return(assemblyList);
}
