public static IConfigurationBuilder InterceptSource(
this IConfigurationBuilder builder, IConfigurationSource source, IList <IInterceptor> interceptors = null)
{
int sourceIndex = builder.Sources.IndexOf(source);
builder.Sources[sourceIndex] = ConfigurationSourceProxy.Create(source, interceptors);
return(builder);
}
public static IConfigurationBuilder Create(IConfigurationBuilder decorated)
{
var proxy = Create <IConfigurationBuilder, ConfigurationBuilderProxy>();
((ConfigurationBuilderProxy)proxy).decoratedBuilder = decorated;
var replacement = decorated.Sources.ToList();
decorated.Sources.Clear();
replacement.ForEach(source => decorated.Sources.Add(ConfigurationSourceProxy.Create(source)));
return(proxy);
}
protected override object Invoke(MethodInfo targetMethod, object[] args)
{
object result;
if ("Add" == targetMethod.Name)
{
IConfigurationSource src = (IConfigurationSource)args[0];
if (src.GetType() != typeof(ConfigurationSourceProxy))
{
args[0] = ConfigurationSourceProxy.Create(src);
}
}
result = targetMethod.Invoke(decoratedBuilder, args);
return(result);
}
public static IConfigurationBuilder RegisterGlobalInterceptor(
this IConfigurationBuilder builder, IInterceptor interceptor)
{
var interceptors = new List <IInterceptor>();
if (builder.Properties.ContainsKey(Constants.BuilderInterceptorKey))
{
interceptors = (List <IInterceptor>)builder.Properties[Constants.BuilderInterceptorKey];
}
interceptors.Add(interceptor);
builder.Properties[Constants.BuilderInterceptorKey] = interceptors;
//Clone existing sources
var newSources = builder.Sources.ToList();
builder.Sources.Clear();
newSources.ForEach(source => builder.Sources.Add(ConfigurationSourceProxy.Create(source)));
return(builder);
}
public static IConfigurationSource Create(IConfigurationSource decorated, IList <IInterceptor> interceptors = null)
{
if (typeof(ConfigurationSourceProxy).IsAssignableFrom(decorated.GetType()))
{
if (interceptors != null)
{
ConfigurationSourceProxy interceptProxy = (ConfigurationSourceProxy)decorated;
foreach (IInterceptor i in interceptors)
{
interceptProxy.AddInterceptor(i);
}
}
return(decorated);
}
var proxy = Create <IConfigurationSource, ConfigurationSourceProxy>();
((ConfigurationSourceProxy)proxy).decoratedSource = decorated;
((ConfigurationSourceProxy)proxy).interceptors = interceptors;
return(proxy);
}
