/// <summary>
/// Initializes a new instance of the <see cref="PropertyBasedInterceptorDecoration"/> class.
/// </summary>
/// <param name="property">The property.</param>
/// <param name="getMethodBasedInterceptor">The get method based interceptor.</param>
/// <param name="setMethodBasedInterceptor">The set method based interceptor.</param>
/// <exception cref="ArgumentNullException"> Specified <paramref name="property"/> is null.</exception>
/// <exception cref="ArgumentNullException"> Specified <paramref name="getMethodBasedInterceptor"/> and <paramref name="setMethodBasedInterceptor"/> are both null.</exception>
public PropertyBasedInterceptorDecoration(
PropertyInfo property,
InterceptorDelegate getMethodBasedInterceptor,
InterceptorDelegate setMethodBasedInterceptor)
{
this.Property = Guard.ArgumentNotNull(property, nameof(property));
if (getMethodBasedInterceptor == null && setMethodBasedInterceptor == null)
{
throw new ArgumentException(Resources.ExceptionGetAndSetMethodBasedInterceptorCannotBeNull);
}
if (getMethodBasedInterceptor != null)
{
var getMethod = property.GetMethod;
if (null != getMethod)
{
this.GetMethodBasedInterceptor = new MethodBasedInterceptorDecoration(getMethod, getMethodBasedInterceptor);
}
}
if (setMethodBasedInterceptor != null)
{
var setMethod = property.SetMethod;
if (null != setMethod)
{
this.SetMethodBasedInterceptor = new MethodBasedInterceptorDecoration(setMethod, setMethodBasedInterceptor);
}
}
}
private T CreateProxy <T>(T target, InterceptorDelegate interceptor, MethodInfo method)
{
var methodBasedInterceptor = new MethodBasedInterceptorDecoration(method, interceptor);
var decoration = new InterceptorDecoration(new MethodBasedInterceptorDecoration[] { methodBasedInterceptor }, null);
var generator = DynamicProxyClassGenerator.CreateInterfaceGenerator(typeof(T), decoration);
var proxyType = generator.GenerateProxyType();
return((T)Activator.CreateInstance(proxyType, target, decoration));
}
private T CreateProxy <T>(InterceptorDelegate interceptor, MethodInfo method)
{
var methodBasedInterceptor = new MethodBasedInterceptorDecoration(method, interceptor);
var decoration = new InterceptorDecoration(new MethodBasedInterceptorDecoration[] { methodBasedInterceptor }, null);
var generator = DynamicProxyClassGenerator.CreateVirtualMethodGenerator(typeof(T), decoration);
var proxyType = generator.GenerateProxyType();
var proxy = (T)Activator.CreateInstance(proxyType);
((IInterceptorsInitializer)proxy).SetInterceptors(decoration);
return(proxy);
}
