// Read the body upfront , add as a ValueProvider
public override Task ExecuteBindingAsync(HttpActionContext actionContext, CancellationToken cancellationToken)
{
HttpRequestMessage request = actionContext.ControllerContext.Request;
HttpContent content = request.Content;
if (content != null)
{
HttpParameterDescriptor fromBodyParam = null;
//偵測是否有任何參數有[FromBody]
if ((fromBodyParam = actionContext.ActionDescriptor
.GetParameters().SingleOrDefault(o => o.GetCustomAttributes <FromBodyAttribute>().Any())) != null)
{
//若有，將Content內容JSON反列化為參數型別
var json = content.ReadAsStringAsync().Result;
var value = JsonConvert.DeserializeObject(json, fromBodyParam.ParameterType);
var vp = new NameValuePairsValueProvider(new Dictionary <string, object>()
{
[fromBodyParam.ParameterName] = value
}, CultureInfo.CurrentCulture);
request.Properties.Add(Key, vp);
}
else
{
FormDataCollection fd = content.ReadAsAsync <FormDataCollection>().Result;
if (fd != null)
{
IValueProvider vp = new NameValuePairsValueProvider(fd, CultureInfo.InvariantCulture);
request.Properties.Add(Key, vp);
}
}
}
return(base.ExecuteBindingAsync(actionContext, cancellationToken));
}
static void Main(string[] args)
{
Dictionary <string, string> dictionary = new Dictionary <string, string>();
dictionary.Add("contacts[0].Name", "张三");
dictionary.Add("contacts[0].PhoneNo", "123456789");
dictionary.Add("contacts[0].EmailAddress", "*****@*****.**");
dictionary.Add("contacts[1].Name", "李四");
dictionary.Add("contacts[1].PhoneNo", "987654321");
dictionary.Add("contacts[1].EmailAddress", "*****@*****.**");
NameValuePairsValueProvider valueProvider = new NameValuePairsValueProvider(dictionary.ToArray(), null);
//Prefix=""
Console.WriteLine("Prefix: <Empty>");
Console.WriteLine("{0,-14}{1}", "Key", "Value");
IDictionary <string, string> keys = valueProvider.GetKeysFromPrefix(string.Empty);
foreach (var item in keys)
{
Console.WriteLine("{0,-14}{1}", item.Key, item.Value);
}
//Prefix="contact"
Console.WriteLine("\nPrefix: contact");
Console.WriteLine("{0,-14}{1}", "Key", "Value");
keys = valueProvider.GetKeysFromPrefix("contact");
foreach (var item in keys)
{
Console.WriteLine("{0,-14}{1}", item.Key, item.Value);
}
//Prefix="contacts[0]"
Console.WriteLine("\nPrefix: contacts[0]");
Console.WriteLine("{0,-14}{1}", "Key", "Value");
keys = valueProvider.GetKeysFromPrefix("contacts[0]");
foreach (var item in keys)
{
Console.WriteLine("{0,-14}{1}", item.Key, item.Value);
}
//Prefix="contacts[1]"
Console.WriteLine("\nPrefix: contacts[1]");
Console.WriteLine("{0,-14}{1}", "Key", "Value");
keys = valueProvider.GetKeysFromPrefix("contacts[1]");
foreach (var item in keys)
{
Console.WriteLine("{0,-14}{1}", item.Key, item.Value);
}
}
// Read the body upfront , add as a ValueProvider
public override Task ExecuteBindingAsync(HttpActionContext actionContext, CancellationToken cancellationToken)
{
HttpRequestMessage request = actionContext.ControllerContext.Request;
HttpContent content = request.Content;
FormDataCollection fd = content?.ReadAsAsync <FormDataCollection>(cancellationToken).Result;
if (fd != null)
{
IValueProvider vp = new NameValuePairsValueProvider(fd, CultureInfo.InvariantCulture);
request.Properties.Add(Key, vp);
}
return(base.ExecuteBindingAsync(actionContext, cancellationToken));
}
static void Main(string[] args)
{
List <KeyValuePair <string, string> > list = new List <KeyValuePair <string, string> >();
list.Add(new KeyValuePair <string, string>("foobar", "1"));
list.Add(new KeyValuePair <string, string>("foobar", "2"));
list.Add(new KeyValuePair <string, string>("foobar", "3"));
NameValuePairsValueProvider valueProvider = new NameValuePairsValueProvider(list, null);
var result = valueProvider.GetValue("foobar");
int[] value1 = (int[])result.ConvertTo(typeof(int[]));
int value2 = (int)result.ConvertTo(typeof(int));
Console.WriteLine("{0,-16}{1}", "RawValue", "NewValue");
Console.WriteLine("{0,-16}{1}", result.RawValue.ConvertToString(), value1.ConvertToString());
Console.WriteLine("{0,-16}{1}", result.RawValue.ConvertToString(), value2.ConvertToString());
}
static void Main(string[] args)
{
Dictionary <string, string> dictionary = new Dictionary <string, string>();
dictionary.Add("contact.Name", "张三");
dictionary.Add("contact.PhoneNo", "123456789");
dictionary.Add("contact.EmailAddress", "*****@*****.**");
dictionary.Add("contact.Address.Province", "江苏");
dictionary.Add("contact.Address.City", "苏州");
dictionary.Add("contact.Address.District", "工业园区");
dictionary.Add("contact.Address.Street", "星湖街328号");
NameValuePairsValueProvider valueProvider = new NameValuePairsValueProvider(dictionary.ToArray(), null);
//Prefix=""
Console.WriteLine("Prefix: <Empty>");
Console.WriteLine("{0,-14}{1}", "Key", "Value");
IDictionary <string, string> keys = valueProvider.GetKeysFromPrefix(string.Empty);
foreach (var item in keys)
{
Console.WriteLine("{0,-14}{1}", item.Key, item.Value);
}
//Prefix="contact"
Console.WriteLine("\nPrefix: contact");
Console.WriteLine("{0,-14}{1}", "Key", "Value");
keys = valueProvider.GetKeysFromPrefix("contact");
foreach (var item in keys)
{
Console.WriteLine("{0,-14}{1}", item.Key, item.Value);
}
//Prefix="contact.Address"
Console.WriteLine("\nPrefix: contact.Address");
Console.WriteLine("{0,-14}{1}", "Key", "Value");
keys = valueProvider.GetKeysFromPrefix("contact.Address");
foreach (var item in keys)
{
Console.WriteLine("{0,-14}{1}", item.Key, item.Value);
}
}
// Read the body upfront, add as a ValueProvider
public override Task ExecuteBindingAsync(HttpActionContext actionContext, CancellationToken cancellationToken)
{
HttpRequestMessage request = actionContext.ControllerContext.Request;
HttpContent content = request.Content;
if (content != null)
{
string result = request.Content.ReadAsStringAsync().Result;
if (!string.IsNullOrEmpty(result))
{
var jsonContent = JObject.Parse(result);
var values = new Dictionary<string, object>();
foreach (HttpParameterDescriptor parameterDescriptor in actionContext.ActionDescriptor.GetParameters())
{
object parameterValue = GetParameterValue(jsonContent, parameterDescriptor);
values.Add(parameterDescriptor.ParameterName, parameterValue);
}
IValueProvider valueProvider = new NameValuePairsValueProvider(values, CultureInfo.InvariantCulture);
request.Properties.Add(Key, valueProvider);
}
}
return base.ExecuteBindingAsync(actionContext, cancellationToken);
}
private object BindToModel(IDictionary <string, object> data, Type type, IFormatterLogger formatterLogger)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
using (var config = new HttpConfiguration())
{
// if there is a requiredMemberSelector set, use this one by replacing the validator provider
var validateRequiredMembers = RequiredMemberSelector != null && formatterLogger != null;
if (validateRequiredMembers)
{
config.Services.Replace(typeof(ModelValidatorProvider), new RequiredMemberModelValidatorProvider(RequiredMemberSelector));
}
// create a action context for model binding
var actionContext = new HttpActionContext
{
ControllerContext = new HttpControllerContext
{
Configuration = config,
ControllerDescriptor = new HttpControllerDescriptor
{
Configuration = config
}
}
};
// create model binder context
var valueProvider = new NameValuePairsValueProvider(data, CultureInfo.InvariantCulture);
var metadataProvider = actionContext.ControllerContext.Configuration.Services.GetModelMetadataProvider();
var metadata = metadataProvider.GetMetadataForType(null, type);
var modelBindingContext = new ModelBindingContext
{
ModelName = string.Empty,
FallbackToEmptyPrefix = false,
ModelMetadata = metadata,
ModelState = actionContext.ModelState,
ValueProvider = valueProvider
};
// bind model
var modelBinderProvider = new CompositeModelBinderProvider(config.Services.GetModelBinderProviders());
var binder = modelBinderProvider.GetBinder(config, type);
var haveResult = binder.BindModel(actionContext, modelBindingContext);
// log validation errors
if (formatterLogger != null)
{
foreach (var modelStatePair in actionContext.ModelState)
{
foreach (var modelError in modelStatePair.Value.Errors)
{
if (modelError.Exception != null)
{
formatterLogger.LogError(modelStatePair.Key, modelError.Exception);
}
else
{
formatterLogger.LogError(modelStatePair.Key, modelError.ErrorMessage);
}
}
}
}
return(haveResult ? modelBindingContext.Model : GetDefaultValueForType(type));
}
}
// apply dictionary to model instance
private object BindToModel(IDictionary <string, object> data, Type type, IFormatterLogger formatterLogger)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
using (var config = new HttpConfiguration())
{
if (RequiredMemberSelector != null && formatterLogger != null)
{
config.Services.Replace(
typeof(ModelValidatorProvider),
new RequiredMemberModelValidatorProvider(RequiredMemberSelector));
}
var actionContext = new HttpActionContext {
ControllerContext = new HttpControllerContext {
Configuration = config,
ControllerDescriptor = new HttpControllerDescriptor {
Configuration = config
}
}
};
// workaround possible locale mismatch
var cultureBugWorkaround = CultureInfo.CurrentCulture.Clone() as CultureInfo;
cultureBugWorkaround.NumberFormat = CultureInfo.InvariantCulture.NumberFormat;
var valueProvider = new NameValuePairsValueProvider(data, cultureBugWorkaround);
var metadataProvider = actionContext.ControllerContext.Configuration.Services.GetModelMetadataProvider();
var metadata = metadataProvider.GetMetadataForType(null, type);
var modelBindingContext = new ModelBindingContext
{
ModelName = string.Empty,
FallbackToEmptyPrefix = false,
ModelMetadata = metadata,
ModelState = actionContext.ModelState,
ValueProvider = valueProvider
};
// bind our model
var modelBinderProvider = new CompositeModelBinderProvider(config.Services.GetModelBinderProviders());
var binder = modelBinderProvider.GetBinder(config, type);
var haveResult = binder.BindModel(actionContext, modelBindingContext);
// store validation errors
if (formatterLogger != null)
{
foreach (var modelStatePair in actionContext.ModelState)
{
foreach (var modelError in modelStatePair.Value.Errors)
{
if (modelError.Exception != null)
{
formatterLogger.LogError(modelStatePair.Key, modelError.Exception);
}
else
{
formatterLogger.LogError(modelStatePair.Key, modelError.ErrorMessage);
}
}
}
}
return(haveResult ? modelBindingContext.Model : GetDefaultValueForType(type));
}
}
