/// <summary>
/// Initializes a new instance of the <see cref="ControllerMethodBuilder"/> class.
/// </summary>
/// <param name="context">The controller factory context.</param>
/// <param name="methodInfo">The method to build.</param>
/// <param name="methodArgs">The methods argument types.</param>
public ControllerMethodBuilder(
ControllerFactoryContext context,
MethodInfo methodInfo,
Type[] methodArgs)
{
this.context = context;
this.methodInfo = methodInfo;
this.methodArgs = methodArgs;
this.methodParms = this.methodInfo.GetParameters();
this.CheckForMethodParameterAttributes();
}
/// <summary>
/// Implements the adapter types interfaces on the adapted type.
/// </summary>
/// <param name="context">The current adapter context.</param>
private void ImplementInterface(ControllerFactoryContext context)
{
var propertyMethods = new Dictionary <string, IMethodBuilder>();
// Iterate through the interafces members.
foreach (var memberInfo in context.NewType.GetMembers())
{
if (memberInfo.MemberType == MemberTypes.Method)
{
MethodInfo methodInfo = (MethodInfo)memberInfo;
Type[] methodArgs = methodInfo.GetParameters().Select(p => p.ParameterType).ToArray();
if (methodInfo.ContainsGenericParameters == false)
{
var controllerMethodBuilder = new ControllerMethodBuilder(
context,
methodInfo,
methodArgs);
var methodBuilder = controllerMethodBuilder.BuildMethod();
if (methodInfo.IsProperty() == true)
{
propertyMethods.Add(methodInfo.Name, methodBuilder);
}
}
}
else if (memberInfo.MemberType == MemberTypes.Property)
{
var propertyBuilder = context
.TypeBuilder
.NewProperty(memberInfo.Name, ((PropertyInfo)memberInfo).PropertyType)
.Attributes(PropertyAttributes.SpecialName);
if (propertyMethods.TryGetValue(memberInfo.PropertyGetName(), out IMethodBuilder getMethod) == true)
{
propertyBuilder.GetMethod = getMethod;
}
if (propertyMethods.TryGetValue(memberInfo.PropertySetName(), out IMethodBuilder setMethod) == true)
{
propertyBuilder.SetMethod = setMethod;
}
}
}
}
/// <summary>
/// Generates the adapter type.
/// </summary>
/// <param name="controllerInterface">The controller interface to implement.</param>
/// <param name="controllerServiceType">The controllers service implementation type.</param>
/// <returns>A <see cref="Type"/> representing the new adapter.</returns>
private Type GenerateControllerType(Type controllerInterface, Type controllerServiceType)
{
string controllerTypeName = GetTypeName(
controllerInterface,
out HttpControllerAttribute attr);
var typeBuilder = this
.NewType(controllerTypeName)
.Class()
.Public()
.BeforeFieldInit()
.InheritsFrom <Controller>();
typeBuilder.SetCustomAttribute(AttributeUtility.BuildAttribute <ControllerAttribute>());
if (attr != null &&
string.IsNullOrEmpty(attr.RoutePrefix) == false)
{
typeBuilder.SetCustomAttribute(AttributeUtility.BuildAttribute <string, RouteAttribute>(attr.RoutePrefix));
}
typeBuilder.ProcessAttributes(controllerInterface);
var controllerServiceTypeField = typeBuilder
.NewField("controllerService", controllerServiceType)
.Private();
// Add a constructor to the type.
var ctorBuilder = this.AddConstructor(
typeBuilder,
controllerServiceType,
controllerServiceTypeField);
var context = new ControllerFactoryContext(typeBuilder, controllerInterface, controllerServiceType, null, controllerServiceTypeField, null, ctorBuilder);
this.ImplementInterface(context);
// Create the type.
return(typeBuilder.CreateType());
}
