public string ToJson() {
string jsonResponse;
var provider = DirectProvider.GetCurrent();
var serializer = JsonSerializer.Create(Settings);
var converter = provider.GetDefaultDateTimeConverter();
if (converter != null) {
// Default DateTime converter is added last therefore will not override the
// one provided by the caller.
serializer.Converters.Add(converter);
}
using (var stringWriter = new StringWriter()) {
using (var jsonWriter = new JsonTextWriter(stringWriter)) {
#if DEBUG
jsonWriter.Formatting = Formatting.Indented;
#else
jsonWriter.Formatting = provider.Debug ? Formatting.Indented : Formatting.None;
#endif
serializer.Serialize(jsonWriter, this);
jsonResponse = stringWriter.ToString();
}
}
return jsonResponse;
}
internal virtual void WriteResponse(DirectRequest directRequest, HttpResponseBase response)
{
var method = DirectProvider.GetCurrent().GetMethod(directRequest.Action, directRequest.Method);
DirectResponse directResponse;
if (method.EventName != null)
{
directResponse = new DirectEventResponse(directRequest)
{
Name = method.EventName,
Data = Data,
Settings = Settings
};
}
else
{
directResponse = new DirectDataResponse(directRequest)
{
Result = Data,
Settings = Settings
};
}
directResponse.Write(response, ContentType, ContentEncoding);
}
public static DirectProvider GetCurrent() {
if (_current == null) {
lock (_lockObj) {
if (_current == null) {
_current = new DirectProvider();
_current.Configure();
}
}
}
return _current;
}
public static DirectProvider GetCurrent()
{
if (_current == null)
{
lock (_lockObj) {
if (_current == null)
{
_current = new DirectProvider();
_current.Configure();
}
}
}
return(_current);
}
private void WriteContent(HttpResponseBase response)
{
if (!String.IsNullOrEmpty(ContentType))
{
response.ContentType = ContentType;
}
else
{
response.ContentType = "application/json";
}
if (ContentEncoding != null)
{
response.ContentEncoding = ContentEncoding;
}
if (Data != null)
{
if (Data is String)
{
// write strings directly to avoid double quotes around them caused by JsonSerializer
response.Write(Data);
}
else
{
using (JsonWriter writer = new JsonTextWriter(response.Output)) {
var provider = DirectProvider.GetCurrent();
var serializer = JsonSerializer.Create(Settings);
var converter = provider.GetDefaultDateTimeConverter();
if (converter != null)
{
serializer.Converters.Add(converter);
}
#if DEBUG
writer.Formatting = Formatting.Indented;
#else
writer.Formatting = provider.Debug ? Formatting.Indented : Formatting.None;
#endif
serializer.Serialize(writer, Data);
}
}
}
}
internal static DirectProvider GetCurrentProvider()
{
if (_currentProvider == null) {
lock (_syncLock) {
if (_currentProvider == null) {
_currentProvider = new DirectProvider {
Name = DirectConfig.ProviderName,
Namespace = DirectConfig.Namespace,
Buffer = DirectConfig.Buffer
};
}
}
}
return _currentProvider;
}
public DirectValueProvider(DirectRequest directRequest, ParameterDescriptor[] parameterDescriptors)
{
int paramCount = parameterDescriptors.Length;
Object[] data = directRequest.Data;
DirectMethod directMethod = DirectProvider.GetCurrent().GetMethod(directRequest.Action, directRequest.Method);
bool usesNamedArguments = (directMethod != null && directMethod.UsesNamedArguments);
if (paramCount > 0)
{
if (usesNamedArguments) // named arguments. match params by name
{
var dataObj = data[0] as JObject;
for (int i = 0; i < paramCount; i++)
{
string pName = parameterDescriptors[i].ParameterName;
Type pType = parameterDescriptors[i].ParameterType;
JToken value = dataObj != null?dataObj.SelectToken(pName) : null;
object rawValue = null;
if (value != null && value.Type != JTokenType.Null && value.Type != JTokenType.Undefined)
{
Type vType = value.GetType();
if (vType == typeof(JObject) && pType != typeof(JObject) ||
vType == typeof(JArray) && pType != typeof(JArray))
{
rawValue = JsonConvert.DeserializeObject(value.ToString(), pType);
}
else
{
rawValue = Convert.ChangeType(value.ToString(), pType);
}
}
string attemptedValue = Convert.ToString(rawValue, CultureInfo.InvariantCulture);
_values.Add(pName, new ValueProviderResult(rawValue, attemptedValue, CultureInfo.InvariantCulture));
}
}
else
{
for (int i = 0; i < parameterDescriptors.Length; i++)
{
object rawValue = data[i];
if (rawValue != null)
{
Type vType = rawValue.GetType();
Type pType = parameterDescriptors[i].ParameterType;
// Deserialize only objects and arrays and let MVC handle everything else.
if (vType == typeof(JObject) && pType != typeof(JObject) ||
vType == typeof(JArray) && pType != typeof(JArray))
{
rawValue = JsonConvert.DeserializeObject(rawValue.ToString(), pType);
}
}
string attemptedValue = Convert.ToString(rawValue, CultureInfo.InvariantCulture);
_values.Add(parameterDescriptors[i].ParameterName,
new ValueProviderResult(rawValue, attemptedValue, CultureInfo.InvariantCulture));
}
}
}
}
