// TODO Cleanup
public void AddFactory <T>(IConfigurationFileFactory <T> factory) where T : IConfiguration
{
if (factories.TryGetValue(typeof(T), out _))
{
throw new InvalidOperationException($"Es gibt bereits eine Factory für den Typ {typeof(T)}");
}
factories.Add(typeof(T), factory);
}
public T LoadConfiguration <T>()
where T : IConfiguration
{
Type key = typeof(T);
if (configurations.ContainsKey(key))
{
return((T)configurations[key]);
}
var filename = key.GetCustomAttribute <ConfigurationFileAttribute>().Filename;
string pathToFile = $"{ConfigurationBasePath}/{filename}";
if (!File.Exists(pathToFile))
{
IConfigurationFileFactory <T> factory = registry.GetFactory <T>();
T defaultConfiguration = factory.CreateDefaultConfiguration();
WriteConfiguration(defaultConfiguration);
configurations.TryAdd(key, defaultConfiguration);
if (defaultConfiguration is IChangeableConfiguration changeableConfiguration)
{
changeableConfiguration.PropertyChanged += ConfigurationChanged;
}
return(defaultConfiguration);
}
using (TextReader reader = new StreamReader($"{ConfigurationBasePath}/{filename}"))
{
string serialzedConfiguration = reader.ReadToEnd();
var configuration = JsonConvert.DeserializeObject <T>(serialzedConfiguration);
configurations.TryAdd(key, configuration);
if (configuration is IChangeableConfiguration changeableConfiguration)
{
changeableConfiguration.PropertyChanged += ConfigurationChanged;
}
return(configuration);
}
}