public IInterceptorProvider[] GetInterceptorProvidersForType(Type type)
{
Guard.ArgumentNotNull(nameof(type), nameof(type));
return(CustomAttributeAccessor.GetCustomAttributes <IInterceptorProvider>(type)
.Reverse()
.ToArray());
}
public IInterceptorProvider[] GetInterceptorProvidersForMethod(Type targetType, MethodInfo method)
{
Guard.ArgumentNotNull(nameof(method), nameof(method));
return(CustomAttributeAccessor.GetCustomAttributes <IInterceptorProvider>(method)
.Reverse()
.ToArray());
}
private IEnumerable <IInterceptorProvider> GetInterceptorProvidersForMethod(MethodInfo proxyMethod, object target, out NonInterceptableAttribute nonInterceptableAttribute)
{
MethodInfo targetMethod = this.GetTargetMethod(proxyMethod, target);
if (null == targetMethod)
{
nonInterceptableAttribute = null;
return(new IInterceptorProvider[0]);
}
var attribute = CustomAttributeAccessor.GetCustomAttribute <NonInterceptableAttribute>(targetMethod);
nonInterceptableAttribute = attribute;
var providers = CustomAttributeAccessor.GetCustomAttributes <IInterceptorProvider>(targetMethod);
if (null != attribute)
{
if (!nonInterceptableAttribute.InterceptorProviderTypes.Any())
{
return(new IInterceptorProvider[0]);
}
providers = providers.Where(it => !attribute.InterceptorProviderTypes.Contains(it.GetType()));
}
foreach (var provider in providers)
{
(provider as IAttributeCollection)?.AddRange(CustomAttributeAccessor.GetCustomAttributes(proxyMethod, true));
(provider as IAttributeCollection)?.AddRange(CustomAttributeAccessor.GetCustomAttributes(target.GetType(), true));
}
return(providers);
}
public IInterceptorProvider[] GetInterceptorProvidersForProperty(Type targetType, PropertyInfo property, PropertyMethod propertyMethod)
{
Guard.ArgumentNotNull(nameof(property), nameof(property));
var method = propertyMethod == PropertyMethod.Get ? property.GetMethod : property.SetMethod;
return(CustomAttributeAccessor.GetCustomAttributes <IInterceptorProvider>(property).ToArray()
.Concat(CustomAttributeAccessor.GetCustomAttributes <IInterceptorProvider>(method).ToArray()));
}
public IInterceptorProvider[] GetInterceptorProvidersForMethod(Type targetType, MethodInfo method, out ISet <Type> excludedInterceptorProviders)
{
Guard.ArgumentNotNull(nameof(method), nameof(method));
var excludedTypes = CustomAttributeAccessor.GetCustomAttribute <NonInterceptableAttribute>(method)?.InterceptorProviderTypes;
excludedInterceptorProviders = excludedTypes?.Length > 0
? new HashSet <Type>(excludedTypes)
: new HashSet <Type>();
return(CustomAttributeAccessor.GetCustomAttributes <IInterceptorProvider>(method).Reverse().ToArray());
}
public bool?WillIntercept(Type targetType, PropertyInfo property)
{
Guard.ArgumentNotNull(nameof(property), nameof(property));
var attributes = CustomAttributeAccessor.GetCustomAttributes <NonInterceptableAttribute>(property, true);
if (attributes.Any(it => it.InterceptorProviderTypes.Length == 0))
{
return(false);
}
return(null);
}
/// <summary>
/// Gets the interceptors decorated with the specified type.
/// </summary>
/// <param name="typeToIntercept">The type to intercept.</param>
/// <returns>
/// The <see cref="T:Dora.DynamicProxy.InterceptorDecoration" /> representing the type members decorated with interceptors.
/// </returns>
public InterceptorDecoration GetInterceptors(Type typeToIntercept)
{
Guard.ArgumentNotNull(typeToIntercept, nameof(typeToIntercept));
if (CustomAttributeAccessor.GetCustomAttribute <NonInterceptableAttribute>(typeToIntercept, true) != null)
{
return(InterceptorDecoration.Empty);
}
var classProviders = CustomAttributeAccessor.GetCustomAttributes <IInterceptorProvider>(typeToIntercept, true).ToArray();
var methodProviders = this.ResolveInterceptorProviders(typeToIntercept);
return(this.GetInterceptors(typeToIntercept, methodProviders));
}
private IEnumerable <IInterceptorProvider> GetInterceptorProvidersForClass(object target, out NonInterceptableAttribute nonInterceptableAttribute)
{
var attribute = CustomAttributeAccessor.GetCustomAttribute <NonInterceptableAttribute>(target.GetType());
nonInterceptableAttribute = attribute;
var providers = target.GetType().GetTypeInfo().GetCustomAttributes().OfType <IInterceptorProvider>();
if (null != attribute)
{
if (!nonInterceptableAttribute.InterceptorProviderTypes.Any())
{
return(new IInterceptorProvider[0]);
}
providers = providers.Where(it => !attribute.InterceptorProviderTypes.Contains(it.GetType()));
}
foreach (var provider in providers)
{
(provider as IAttributeCollection)?.AddRange(CustomAttributeAccessor.GetCustomAttributes(target.GetType(), true));
}
return(providers);
}
public IInterceptorProvider[] GetInterceptorProvidersForProperty(Type targetType, PropertyInfo property, PropertyMethod propertyMethod, out ISet <Type> excludedInterceptorProviders)
{
Guard.ArgumentNotNull(nameof(property), nameof(property));
var method = propertyMethod == PropertyMethod.Get ? property.GetMethod : property.SetMethod;
var list = new List <Type>();
var excludedTypes = CustomAttributeAccessor.GetCustomAttribute <NonInterceptableAttribute>(property)?.InterceptorProviderTypes;
if (excludedTypes?.Length > 0)
{
list.AddRange(excludedTypes);
}
excludedTypes = CustomAttributeAccessor.GetCustomAttribute <NonInterceptableAttribute>(method)?.InterceptorProviderTypes;
if (excludedTypes?.Length > 0)
{
list.AddRange(excludedTypes);
}
excludedInterceptorProviders = new HashSet <Type>(list);
var providers = CustomAttributeAccessor.GetCustomAttributes <IInterceptorProvider>(property);
providers.Concat(CustomAttributeAccessor.GetCustomAttributes <IInterceptorProvider>(method));
return(providers.ToArray());
}
/// <summary>
/// Gets the interceptors decorated with the type of target instance.
/// </summary>
/// <param name="typeToIntercept">The type to intercept.</param>
/// <param name="targetType">Type of the target instance.</param>
/// <returns>
/// The <see cref="T:Dora.DynamicProxy.InterceptorDecoration" /> representing the type members decorated with interceptors.
/// </returns>
public InterceptorDecoration GetInterceptors(Type typeToIntercept, Type targetType)
{
Guard.ArgumentNotNull(typeToIntercept, nameof(typeToIntercept));
Guard.ArgumentNotNull(targetType, nameof(targetType));
InterceptorDecoration interceptors;
if (_nonInterceptableTypes.Contains(typeToIntercept))
{
return(InterceptorDecoration.Empty);
}
if (typeToIntercept == targetType)
{
interceptors = GetInterceptors(targetType);
if (interceptors.MethodBasedInterceptors.Count == 0 && interceptors.PropertyBasedInterceptors.Count == 0)
{
lock (_nonInterceptableTypes)
{
_nonInterceptableTypes.Add(typeToIntercept);
}
}
return(interceptors);
}
if (!typeToIntercept.IsInterface)
{
return(InterceptorDecoration.Empty);
}
if (CustomAttributeAccessor.GetCustomAttribute <NonInterceptableAttribute>(typeToIntercept, true) != null)
{
lock (_nonInterceptableTypes)
{
_nonInterceptableTypes.Add(typeToIntercept);
}
return(InterceptorDecoration.Empty);
}
var mapping = targetType.GetTypeInfo().GetRuntimeInterfaceMap(typeToIntercept);
var srcProviders = this.ResolveInterceptorProviders(targetType);
var providers = new Dictionary <MethodInfo, IInterceptorProvider[]>();
foreach (var method in srcProviders.Keys)
{
var index = Array.IndexOf(mapping.TargetMethods, method);
if (index > -1)
{
providers.Add(mapping.InterfaceMethods[index], srcProviders[method]);
}
}
var classProviders = CustomAttributeAccessor.GetCustomAttributes <IInterceptorProvider>(targetType, true).ToArray();
interceptors = this.GetInterceptors(typeToIntercept, providers);
if (interceptors.MethodBasedInterceptors.Count == 0 && interceptors.PropertyBasedInterceptors.Count == 0)
{
lock (_nonInterceptableTypes)
{
_nonInterceptableTypes.Add(typeToIntercept);
}
}
return(interceptors);
}
private Dictionary <MethodInfo, IInterceptorProvider[]> ResolveInterceptorProviders(Type type)
{
var results = new Dictionary <MethodInfo, IInterceptorProvider[]>();
var nonInterceptableAttribute = CustomAttributeAccessor.GetCustomAttribute <NonInterceptableAttribute>(type, true);
if (nonInterceptableAttribute != null && nonInterceptableAttribute.InterceptorProviderTypes.Length == 0)
{
return(results);
}
var classProviders = CustomAttributeAccessor.GetCustomAttributes <IInterceptorProvider>(type, true).ToArray();
if (null != nonInterceptableAttribute)
{
classProviders = classProviders
.Where(it => !nonInterceptableAttribute.InterceptorProviderTypes.Contains(it.GetType()))
.ToArray();
}
foreach (var methodInfo in type.GetTypeInfo().GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic))
{
if (methodInfo.DeclaringType == typeof(object))
{
continue;
}
if (methodInfo.IsSpecialName)
{
continue;
}
nonInterceptableAttribute = CustomAttributeAccessor.GetCustomAttribute <NonInterceptableAttribute>(methodInfo, true);
if (null != nonInterceptableAttribute && nonInterceptableAttribute.InterceptorProviderTypes.Length == 0)
{
continue;
}
var providers = CustomAttributeAccessor.GetCustomAttributes <IInterceptorProvider>(methodInfo, true).ToArray();
var list = new List <IInterceptorProvider>();
list.AddRange(providers);
foreach (var provider in classProviders)
{
if (nonInterceptableAttribute?.InterceptorProviderTypes?.Contains(provider.GetType()) == true)
{
continue;
}
if (!provider.AllowMultiple && providers.Any(it => it.GetType() == provider.GetType()))
{
continue;
}
list.Add(provider);
}
if (list.Count > 0)
{
results.Add(methodInfo, list.ToArray());
}
}
foreach (var property in type.GetTypeInfo().GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic))
{
nonInterceptableAttribute = CustomAttributeAccessor.GetCustomAttribute <NonInterceptableAttribute>(property, true);
if (null != nonInterceptableAttribute && nonInterceptableAttribute.InterceptorProviderTypes.Length == 0)
{
continue;
}
var propertyProviders = CustomAttributeAccessor.GetCustomAttributes <IInterceptorProvider>(property, true).ToArray();
var list = new List <IInterceptorProvider>();
list.AddRange(propertyProviders);
foreach (var provider in classProviders)
{
if (nonInterceptableAttribute?.InterceptorProviderTypes?.Contains(provider.GetType()) == true)
{
continue;
}
if (!provider.AllowMultiple && propertyProviders.Any(it => it.GetType() == provider.GetType()))
{
continue;
}
list.Add(provider);
}
var methods = new List <MethodInfo>();
if (property.GetMethod != null)
{
methods.Add(property.GetMethod);
}
if (property.SetMethod != null)
{
methods.Add(property.SetMethod);
}
foreach (var method in methods)
{
nonInterceptableAttribute = CustomAttributeAccessor.GetCustomAttribute <NonInterceptableAttribute>(method, true);
if (nonInterceptableAttribute != null && nonInterceptableAttribute.InterceptorProviderTypes.Length == 0)
{
continue;
}
var methodProviders = CustomAttributeAccessor.GetCustomAttributes <IInterceptorProvider>(method, true).ToArray();
var list1 = new List <IInterceptorProvider>();
list1.AddRange(methodProviders);
foreach (var provider in list)
{
if (nonInterceptableAttribute?.InterceptorProviderTypes?.Contains(provider.GetType()) == true)
{
continue;
}
if (!provider.AllowMultiple && methodProviders.Any(it => it.GetType() == provider.GetType()))
{
continue;
}
list1.Add(provider);
}
if (list1.Count > 0)
{
results[method] = list1.ToArray();
}
}
}
return(results);
}