ParameterBinder GetBinderForType(Type type, IFromRouteAttribute routeAttr, out BinderSource source)
{
ParameterBinder paramBinder = null;
source = BinderSource.None;
if (routeAttr != null &&
routeAttr.BinderType != null)
{
paramBinder = ParameterBinder.GetInstance(null, routeAttr.BinderType);
if (paramBinder != null)
{
source = BinderSource.Parameter;
return(paramBinder);
}
}
type = TypeHelpers.GetNullableUnderlyingType(type);
if (this.Register.Settings.ParameterBinders.TryGetItem(type, out paramBinder))
{
source = BinderSource.Settings;
return(paramBinder);
}
paramBinder = ParameterBinder.GetInstance(type, null);
if (paramBinder != null)
{
source = BinderSource.Type;
}
return(paramBinder);
}
static IModelBinder GetModelBinder(IFromRouteAttribute fromRouteAttr, Type modelType, HttpConfiguration configuration)
{
modelType = TypeHelpers.GetNullableUnderlyingType(modelType);
ModelBinderAttribute modelBinderAttr = null;
if (fromRouteAttr != null)
{
modelBinderAttr = (ModelBinderAttribute)fromRouteAttr;
}
if (modelBinderAttr == null ||
modelBinderAttr.BinderType == null)
{
ModelBinderAttribute modelTypeAttr = modelBinderAttrCache.GetOrAdd(modelType, t =>
t.GetCustomAttributes(typeof(ModelBinderAttribute), inherit: true)
.Cast <ModelBinderAttribute>()
.SingleOrDefault()
);
if (modelTypeAttr != null &&
(modelBinderAttr == null ||
modelTypeAttr.BinderType != null))
{
modelBinderAttr = modelTypeAttr;
}
}
if (modelBinderAttr == null)
{
modelBinderAttr = new ModelBinderAttribute();
}
return(modelBinderAttr.GetModelBinder(configuration, modelType));
}
internal RouteParameter CreateRouteParameter(string name, Type type, IFromRouteAttribute routeAttr, bool isOptional, bool isCatchAll)
{
if (routeAttr != null &&
routeAttr.Name.HasValue())
{
name = routeAttr.Name;
}
type = TypeHelpers.GetNullableUnderlyingType(type);
string constraint = GetConstraintForType(type, routeAttr);
BinderSource binderSource;
ParameterBinder binder = GetBinderForType(type, routeAttr, out binderSource);
if (binder == null &&
type.IsEnum)
{
binder = (ParameterBinder)Activator.CreateInstance(typeof(EnumParameterBinder <>).MakeGenericType(type));
}
if (constraint.HasValue() &&
binderSource != BinderSource.Parameter)
{
binder = null;
}
return(new RouteParameter(name, type, constraint, isOptional, isCatchAll, binder));
}
static IModelBinder GetModelBinder(IFromRouteAttribute fromRouteAttr, Type modelType, out bool isDefaultBinder)
{
if (fromRouteAttr != null &&
fromRouteAttr.BinderType != null)
{
try {
isDefaultBinder = false;
return((IModelBinder)Activator.CreateInstance(fromRouteAttr.BinderType));
} catch (Exception ex) {
throw new InvalidOperationException("An error occurred when trying to create the IModelBinder '{0}'. Make sure that the binder has a public parameterless constructor.".FormatInvariant(fromRouteAttr.BinderType.FullName), ex);
}
}
modelType = TypeHelpers.GetNullableUnderlyingType(modelType);
IModelBinder binder = ModelBinders.Binders.GetBinder(modelType, fallbackToDefault: false);
if (binder != null)
{
isDefaultBinder = false;
return(binder);
}
isDefaultBinder = true;
return(ModelBinders.Binders.DefaultBinder);
}
static RouteParameter CreateRouteParameter(ActionParameterInfo actionParam)
{
IFromRouteAttribute routeAttr = actionParam.FromRouteAttribute;
bool isCatchAll = (routeAttr != null) ?
routeAttr.CatchAll
: false;
return(actionParam.Action.Controller.CreateRouteParameter(actionParam.Name, actionParam.Type, routeAttr, actionParam.IsOptional, isCatchAll));
}
string GetConstraintForType(Type type, IFromRouteAttribute routeAttr)
{
string constraint = null;
if (routeAttr != null)
{
constraint = routeAttr.Constraint;
}
if (constraint == null)
{
type = TypeHelpers.GetNullableUnderlyingType(type);
this.Register.Settings.DefaultConstraints.TryGetValue(type, out constraint);
}
return(constraint);
}
string GetConstraintForType(Type type, IFromRouteAttribute routeAttr)
{
string constraint = null;
if (routeAttr != null) {
constraint = routeAttr.Constraint;
}
if (constraint == null) {
type = TypeHelpers.GetNullableUnderlyingType(type);
this.Register.Settings.DefaultConstraints.TryGetValue(type, out constraint);
}
return constraint;
}
ParameterBinder GetBinderForType(Type type, IFromRouteAttribute routeAttr, out BinderSource source)
{
ParameterBinder paramBinder = null;
source = BinderSource.None;
if (routeAttr != null
&& routeAttr.BinderType != null) {
paramBinder = ParameterBinder.GetInstance(null, routeAttr.BinderType);
if (paramBinder != null) {
source = BinderSource.Parameter;
return paramBinder;
}
}
type = TypeHelpers.GetNullableUnderlyingType(type);
if (this.Register.Settings.ParameterBinders.TryGetItem(type, out paramBinder)) {
source = BinderSource.Settings;
return paramBinder;
}
paramBinder = ParameterBinder.GetInstance(type, null);
if (paramBinder != null) {
source = BinderSource.Type;
}
return paramBinder;
}
RouteParameter CreateRouteParameter(PropertyInfo property, IFromRouteAttribute routeAttr)
{
return CreateRouteParameter(property.Name, property.PropertyType, routeAttr, isOptional: false, isCatchAll: false);
}
internal RouteParameter CreateRouteParameter(string name, Type type, IFromRouteAttribute routeAttr, bool isOptional, bool isCatchAll)
{
if (routeAttr != null
&& routeAttr.Name.HasValue()) {
name = routeAttr.Name;
}
type = TypeHelpers.GetNullableUnderlyingType(type);
string constraint = GetConstraintForType(type, routeAttr);
BinderSource binderSource;
ParameterBinder binder = GetBinderForType(type, routeAttr, out binderSource);
if (binder == null
&& type.IsEnum) {
binder = (ParameterBinder)Activator.CreateInstance(typeof(EnumParameterBinder<>).MakeGenericType(type));
}
if (constraint.HasValue()
&& binderSource != BinderSource.Parameter) {
binder = null;
}
return new RouteParameter(name, type, constraint, isOptional, isCatchAll, binder);
}
static IModelBinder GetModelBinder(IFromRouteAttribute fromRouteAttr, Type modelType, HttpConfiguration configuration)
{
modelType = TypeHelpers.GetNullableUnderlyingType(modelType);
ModelBinderAttribute modelBinderAttr = null;
if (fromRouteAttr != null) {
modelBinderAttr = (ModelBinderAttribute)fromRouteAttr;
}
if (modelBinderAttr == null
|| modelBinderAttr.BinderType == null) {
ModelBinderAttribute modelTypeAttr = modelBinderAttrCache.GetOrAdd(modelType, t =>
t.GetCustomAttributes(typeof(ModelBinderAttribute), inherit: true)
.Cast<ModelBinderAttribute>()
.SingleOrDefault()
);
if (modelTypeAttr != null
&& (modelBinderAttr == null
|| modelTypeAttr.BinderType != null)) {
modelBinderAttr = modelTypeAttr;
}
}
if (modelBinderAttr == null) {
modelBinderAttr = new ModelBinderAttribute();
}
return modelBinderAttr.GetModelBinder(configuration, modelType);
}
static IModelBinder GetModelBinder(IFromRouteAttribute fromRouteAttr, Type modelType, out bool isDefaultBinder)
{
if (fromRouteAttr != null
&& fromRouteAttr.BinderType != null) {
try {
isDefaultBinder = false;
return (IModelBinder)Activator.CreateInstance(fromRouteAttr.BinderType);
} catch (Exception ex) {
throw new InvalidOperationException("An error occurred when trying to create the IModelBinder '{0}'. Make sure that the binder has a public parameterless constructor.".FormatInvariant(fromRouteAttr.BinderType.FullName), ex);
}
}
modelType = TypeHelpers.GetNullableUnderlyingType(modelType);
IModelBinder binder = ModelBinders.Binders.GetBinder(modelType, fallbackToDefault: false);
if (binder != null) {
isDefaultBinder = false;
return binder;
}
isDefaultBinder = true;
return ModelBinders.Binders.DefaultBinder;
}
RouteParameter CreateRouteParameter(PropertyInfo property, IFromRouteAttribute routeAttr)
{
return(CreateRouteParameter(property.Name, property.PropertyType, routeAttr, isOptional: false, isCatchAll: false));
}
