public override IModelBinder GetBinder(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext)
{
ModelBinderUtil.ValidateBindingContext(bindingContext);
Type[] typeArguments = null;
if (ModelType.IsInterface)
{
Type matchingClosedInterface = TypeHelpers.ExtractGenericInterface(bindingContext.ModelType, ModelType);
if (matchingClosedInterface != null)
{
typeArguments = matchingClosedInterface.GetGenericArguments();
}
}
else
{
typeArguments = TypeHelpers.GetTypeArgumentsIfMatch(bindingContext.ModelType, ModelType);
}
if (typeArguments != null)
{
if (SuppressPrefixCheck || bindingContext.UnvalidatedValueProvider.ContainsPrefix(bindingContext.ModelName))
{
return(_modelBinderFactory(typeArguments));
}
}
return(null);
}
public bool BindModel(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext)
{
ModelBinderUtil.ValidateBindingContext(bindingContext);
ValueProviderResult vpResult = bindingContext.UnvalidatedValueProvider.GetValue(bindingContext.ModelName);
// case 1: there was no <input ... /> element containing this data
if (vpResult == null)
{
return(false);
}
string base64string = (string)vpResult.ConvertTo(typeof(string));
// case 2: there was an <input ... /> element but it was left blank
if (String.IsNullOrEmpty(base64string))
{
return(false);
}
// Future proofing. If the byte array is actually an instance of System.Data.Linq.Binary
// then we need to remove these quotes put in place by the ToString() method.
string realValue = base64string.Replace("\"", String.Empty);
try {
bindingContext.Model = ConvertByteArray(Convert.FromBase64String(realValue));
return(true);
}
catch {
// corrupt data - just ignore
return(false);
}
}
public virtual bool BindModel(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext)
{
ModelBinderUtil.ValidateBindingContext(bindingContext);
ValueProviderResult vpResult = bindingContext.UnvalidatedValueProvider.GetValue(bindingContext.ModelName, skipValidation: !bindingContext.ValidateRequest);
List <TElement> boundCollection = (vpResult != null)
? BindSimpleCollection(modelBindingExecutionContext, bindingContext, vpResult.RawValue, vpResult.Culture)
: BindComplexCollection(modelBindingExecutionContext, bindingContext);
bool retVal = CreateOrReplaceCollection(modelBindingExecutionContext, bindingContext, boundCollection);
return(retVal);
}
public override IModelBinder GetBinder(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext)
{
ModelBinderUtil.ValidateBindingContext(bindingContext);
if (bindingContext.UnvalidatedValueProvider.ContainsPrefix(bindingContext.ModelName))
{
return(CollectionModelBinderUtil.GetGenericBinder(typeof(IDictionary <,>), typeof(Dictionary <,>), typeof(DictionaryModelBinder <,>), bindingContext.ModelMetadata));
}
else
{
return(null);
}
}
public override IModelBinder GetBinder(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext)
{
ModelBinderUtil.ValidateBindingContext(bindingContext);
if (!bindingContext.ModelMetadata.IsReadOnly && bindingContext.ModelType.IsArray &&
bindingContext.UnvalidatedValueProvider.ContainsPrefix(bindingContext.ModelName))
{
Type elementType = bindingContext.ModelType.GetElementType();
return((IModelBinder)Activator.CreateInstance(typeof(ArrayModelBinder <>).MakeGenericType(elementType)));
}
return(null);
}
public override IModelBinder GetBinder(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext)
{
ModelBinderUtil.ValidateBindingContext(bindingContext);
if (bindingContext.ModelType == ModelType)
{
if (SuppressPrefixCheck || bindingContext.UnvalidatedValueProvider.ContainsPrefix(bindingContext.ModelName))
{
return(_modelBinderFactory());
}
}
return(null);
}
public bool BindModel(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext)
{
ModelBinderUtil.ValidateBindingContext(bindingContext, typeof(KeyValuePair <TKey, TValue>), true /* allowNullModel */);
TKey key;
bool keyBindingSucceeded = KeyValuePairModelBinderUtil.TryBindStrongModel <TKey>(modelBindingExecutionContext, bindingContext, "key", MetadataProvider, out key);
TValue value;
bool valueBindingSucceeded = KeyValuePairModelBinderUtil.TryBindStrongModel <TValue>(modelBindingExecutionContext, bindingContext, "value", MetadataProvider, out value);
if (keyBindingSucceeded && valueBindingSucceeded)
{
bindingContext.Model = new KeyValuePair <TKey, TValue>(key, value);
}
return(keyBindingSucceeded || valueBindingSucceeded);
}
public virtual bool BindModel(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext)
{
// Recursive method - prevent stack overflow.
RuntimeHelpers.EnsureSufficientExecutionStack();
ModelBinderUtil.ValidateBindingContext(bindingContext);
EnsureModel(modelBindingExecutionContext, bindingContext);
IEnumerable <ModelMetadata> propertyMetadatas = GetMetadataForProperties(modelBindingExecutionContext, bindingContext);
ComplexModel complexModel = CreateAndPopulateComplexModel(modelBindingExecutionContext, bindingContext, propertyMetadatas);
// post-processing, e.g. property setters and hooking up validation
ProcessComplexModel(modelBindingExecutionContext, bindingContext, complexModel);
bindingContext.ValidationNode.ValidateAllProperties = true; // complex models require full validation
return(true);
}
public override IModelBinder GetBinder(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext)
{
ModelBinderUtil.ValidateBindingContext(bindingContext);
string keyFieldName = ModelBinderUtil.CreatePropertyModelName(bindingContext.ModelName, "key");
string valueFieldName = ModelBinderUtil.CreatePropertyModelName(bindingContext.ModelName, "value");
if (bindingContext.UnvalidatedValueProvider.ContainsPrefix(keyFieldName) && bindingContext.UnvalidatedValueProvider.ContainsPrefix(valueFieldName))
{
return(ModelBinderUtil.GetPossibleBinderInstance(bindingContext.ModelType, typeof(KeyValuePair <,>) /* supported model type */, typeof(KeyValuePairModelBinder <,>) /* binder type */));
}
else
{
// 'key' or 'value' missing
return(null);
}
}
public override IModelBinder GetBinder(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext)
{
ModelBinderUtil.ValidateBindingContext(bindingContext);
ValueProviderResult vpResult = bindingContext.UnvalidatedValueProvider.GetValue(bindingContext.ModelName, skipValidation: !bindingContext.ValidateRequest);
if (vpResult == null)
{
return(null); // no value to convert
}
if (!TypeDescriptor.GetConverter(bindingContext.ModelType).CanConvertFrom(typeof(string)))
{
return(null); // this type cannot be converted
}
return(new TypeConverterModelBinder());
}
public bool BindModel(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext)
{
ModelBinderUtil.ValidateBindingContext(bindingContext);
ValueProviderResult vpResult = bindingContext.UnvalidatedValueProvider.GetValue(bindingContext.ModelName, skipValidation: !bindingContext.ValidateRequest);
if (vpResult == null)
{
return(false); // no entry
}
object newModel;
bindingContext.ModelState.SetModelValue(bindingContext.ModelName, vpResult);
try {
newModel = vpResult.ConvertTo(bindingContext.ModelType);
}
catch (Exception ex) {
if (IsFormatException(ex))
{
// there was a type conversion failure
string errorString = ModelBinderErrorMessageProviders.TypeConversionErrorMessageProvider(modelBindingExecutionContext, bindingContext.ModelMetadata, vpResult.AttemptedValue);
if (errorString != null)
{
bindingContext.ModelState.AddModelError(bindingContext.ModelName, errorString);
}
}
else
{
bindingContext.ModelState.AddModelError(bindingContext.ModelName, ex);
}
return(false);
}
ModelBinderUtil.ReplaceEmptyStringWithNull(bindingContext.ModelMetadata, ref newModel);
bindingContext.Model = newModel;
return(true);
}
