|
static private IsNullable ( |
||
| type | ||
| Результат | bool | |
internal object CoerceType(Type targetType, object value)
{
bool isNullable = TypeCoercionUtility.IsNullable(targetType);
if (value == null)
{
if (!allowNullValueTypes &&
targetType.IsValueType &&
!isNullable)
{
throw new JsonTypeCoercionException(String.Format(TypeCoercionUtility.ErrorNullValueType, targetType.FullName));
}
return(value);
}
if (isNullable)
{
// nullable types have a real underlying struct
Type[] genericArgs = targetType.GetGenericArguments();
if (genericArgs.Length == 1)
{
targetType = genericArgs[0];
}
}
Type actualType = value.GetType();
if (targetType.IsAssignableFrom(actualType))
{
return(value);
}
if (targetType.IsEnum)
{
if (value is String)
{
if (!Enum.IsDefined(targetType, value))
{
// if isn't a defined value perhaps it is the JsonName
foreach (FieldInfo field in targetType.GetFields())
{
string jsonName = JsonNameAttribute.GetJsonName(field);
if (((string)value).Equals(jsonName))
{
value = field.Name;
break;
}
}
}
return(Enum.Parse(targetType, (string)value));
}
else
{
value = this.CoerceType(Enum.GetUnderlyingType(targetType), value);
return(Enum.ToObject(targetType, value));
}
}
if (value is IDictionary)
{
Dictionary <string, MemberInfo> memberMap;
return(this.CoerceType(targetType, (IDictionary)value, out memberMap));
}
if (typeof(IEnumerable).IsAssignableFrom(targetType) &&
typeof(IEnumerable).IsAssignableFrom(actualType))
{
return(this.CoerceList(targetType, actualType, (IEnumerable)value));
}
if (value is String)
{
if (targetType == typeof(DateTime))
{
DateTime date;
// If this is a crazy server date string, clean up the server junk.
if (((string)value).StartsWith("/Date(") && ((string)value).EndsWith(")/"))
{
date = new DateTime(1970, 1, 1, 0, 0, 0, 0);
value = ((string)value).Replace("/Date(", "").Replace(")/", "").Replace("+0000", "");
date = date.AddMilliseconds(long.Parse((string)value));
return(date);
}
// Try a regular DateTime parse
if (DateTime.TryParse(
(string)value,
DateTimeFormatInfo.InvariantInfo,
DateTimeStyles.RoundtripKind | DateTimeStyles.AllowWhiteSpaces | DateTimeStyles.NoCurrentDateDefault,
out date))
{
return(date);
}
}
else if (targetType == typeof(Guid))
{
// try-catch is pointless since will throw upon generic conversion
return(new Guid((string)value));
}
else if (targetType == typeof(Char))
{
if (((string)value).Length == 1)
{
return(((string)value)[0]);
}
}
else if (targetType == typeof(Uri))
{
Uri uri;
if (Uri.TryCreate((string)value, UriKind.RelativeOrAbsolute, out uri))
{
return(uri);
}
}
else if (targetType == typeof(Version))
{
// try-catch is pointless since will throw upon generic conversion
return(new Version((string)value));
}
}
else if (targetType == typeof(TimeSpan))
{
return(new TimeSpan((long)this.CoerceType(typeof(Int64), value)));
}
TypeConverter converter = TypeDescriptor.GetConverter(targetType);
if (converter.CanConvertFrom(actualType))
{
return(converter.ConvertFrom(value));
}
converter = TypeDescriptor.GetConverter(actualType);
if (converter.CanConvertTo(targetType))
{
return(converter.ConvertTo(value, targetType));
}
try
{
// fall back to basics
return(Convert.ChangeType(value, targetType));
}
catch (Exception ex)
{
throw new JsonTypeCoercionException(
String.Format("Error converting {0} to {1}", value.GetType().FullName, targetType.FullName), ex);
}
}
internal object CoerceType(Type targetType, object value)
{
bool isNullable = TypeCoercionUtility.IsNullable(targetType);
if (value == null)
{
if (!allowNullValueTypes &&
targetType.IsValueType &&
!isNullable)
{
throw new JsonTypeCoercionException(String.Format(TypeCoercionUtility.ErrorNullValueType, targetType.FullName));
}
return(value);
}
if (isNullable)
{
// nullable types have a real underlying struct
Type[] genericArgs = targetType.GetGenericArguments();
if (genericArgs.Length == 1)
{
targetType = genericArgs[0];
}
}
Type actualType = value.GetType();
if (targetType.IsAssignableFrom(actualType))
{
return(value);
}
if (targetType.IsEnum)
{
if (value is String)
{
if (!Enum.IsDefined(targetType, value))
{
// if isn't a defined value perhaps it is the JsonName
foreach (FieldInfo field in targetType.GetFields())
{
string jsonName = JsonNameAttribute.GetJsonName(field);
if (((string)value).Equals(jsonName))
{
value = field.Name;
break;
}
}
}
//Julien: Added check for enums (previously didn't have try catch and wasn't case-insensitive)
//we don't want JSONFx to entirely abandon the parsing just because the user badly entered an enum
//instead just return null
object output;
try
{
output = Enum.Parse(targetType, (string)value, true);
}
catch (ArgumentException)
{
//If value is 'null', handle that gracefully. Can happen when enum is stored as string on other end, e.g. w/ DBs
if (((string)value).ToLower() != "null")
{
UnityEngine.Debug.LogWarning("JSONFx could not parse '" + (string)value + "' as a(n) " + targetType.ToString());
}
//output = Activator.CreateInstance(targetType); //if we want to return the default for this enum
output = null;
}
return(output);
}
else
{
value = this.CoerceType(Enum.GetUnderlyingType(targetType), value);
return(Enum.ToObject(targetType, value));
}
}
if (value is IDictionary)
{
Dictionary <string, MemberInfo> memberMap;
return(this.CoerceType(targetType, (IDictionary)value, out memberMap));
}
if (typeof(IEnumerable).IsAssignableFrom(targetType) &&
typeof(IEnumerable).IsAssignableFrom(actualType))
{
return(this.CoerceList(targetType, actualType, (IEnumerable)value));
}
if (value is String)
{
if (targetType == typeof(DateTime))
{
DateTime date;
if (DateTime.TryParse(
(string)value,
DateTimeFormatInfo.InvariantInfo,
DateTimeStyles.RoundtripKind | DateTimeStyles.AllowWhiteSpaces | DateTimeStyles.NoCurrentDateDefault,
out date))
{
return(date);
}
}
else if (targetType == typeof(Guid))
{
// try-catch is pointless since will throw upon generic conversion
return(new Guid((string)value));
}
else if (targetType == typeof(Char))
{
if (((string)value).Length == 1)
{
return(((string)value)[0]);
}
}
else if (targetType == typeof(Uri))
{
Uri uri;
if (Uri.TryCreate((string)value, UriKind.RelativeOrAbsolute, out uri))
{
return(uri);
}
}
else if (targetType == typeof(Version))
{
// try-catch is pointless since will throw upon generic conversion
return(new Version((string)value));
}
}
else if (targetType == typeof(TimeSpan))
{
return(new TimeSpan((long)this.CoerceType(typeof(Int64), value)));
}
//Julien: Added to be able to deserialize times in epoch format
//Commented because of inconsistencies: Java uses milliseconds & .NET uses ticks
//else if (targetType == typeof(DateTime) && value is Decimal)
//{
// return new DateTime((long)this.CoerceType(typeof(Int64), value));
//}
TypeConverter converter = TypeDescriptor.GetConverter(targetType);
if (converter.CanConvertFrom(actualType))
{
return(converter.ConvertFrom(value));
}
converter = TypeDescriptor.GetConverter(actualType);
if (converter.CanConvertTo(targetType))
{
return(converter.ConvertTo(value, targetType));
}
try
{
// fall back to basics
return(Convert.ChangeType(value, targetType));
}
catch (Exception ex)
{
throw new JsonTypeCoercionException(
String.Format("Error converting {0} to {1} for value: " + value.ToString(), value.GetType().FullName, targetType.FullName), ex);
}
}
internal object CoerceType(Type targetType, object value)
{
bool isNullable = TypeCoercionUtility.IsNullable(targetType);
if (value == null)
{
if (!allowNullValueTypes &&
TCU.GetTypeInfo(targetType).IsValueType&&
!isNullable)
{
throw new JsonTypeCoercionException(String.Format(TypeCoercionUtility.ErrorNullValueType, new System.Object[] { targetType.FullName }));
}
return(value);
}
if (isNullable)
{
// nullable types have a real underlying struct
Type[] genericArgs = targetType.GetGenericArguments();
if (genericArgs.Length == 1)
{
targetType = genericArgs[0];
}
}
Type actualType = value.GetType();
if (TCU.GetTypeInfo(targetType).IsAssignableFrom(TCU.GetTypeInfo(actualType)))
{
return(value);
}
if (TCU.GetTypeInfo(targetType).IsEnum)
{
if (value is String)
{
if (!Enum.IsDefined(targetType, value))
{
// if isn't a defined value perhaps it is the JsonName
foreach (FieldInfo field in TCU.GetTypeInfo(targetType).GetFields())
{
string jsonName = JsonNameAttribute.GetJsonName(field);
if (((string)value).Equals(jsonName))
{
value = field.Name;
break;
}
}
}
return(Enum.Parse(targetType, (string)value));
}
else
{
value = this.CoerceType(Enum.GetUnderlyingType(targetType), value);
return(Enum.ToObject(targetType, value));
}
}
if (value is IDictionary)
{
Dictionary <string, MemberInfo> memberMap;
return(this.CoerceType(targetType, (IDictionary)value, out memberMap));
}
if (TCU.GetTypeInfo(typeof(IEnumerable)).IsAssignableFrom(TCU.GetTypeInfo(targetType)) &&
TCU.GetTypeInfo(typeof(IEnumerable)).IsAssignableFrom(TCU.GetTypeInfo(actualType)))
{
return(this.CoerceList(targetType, actualType, (IEnumerable)value));
}
if (value is String)
{
if (Type.Equals(targetType, typeof(DateTime)))
{
DateTime date;
if (DateTime.TryParse(
(string)value,
DateTimeFormatInfo.InvariantInfo,
DateTimeStyles.RoundtripKind | DateTimeStyles.AllowWhiteSpaces | DateTimeStyles.NoCurrentDateDefault,
out date))
{
return(date);
}
}
else if (Type.Equals(targetType, typeof(Guid)))
{
// try-catch is pointless since will throw upon generic conversion
return(new Guid((string)value));
}
else if (Type.Equals(targetType, typeof(Char)))
{
if (((string)value).Length == 1)
{
return(((string)value)[0]);
}
}
else if (Equals(targetType, typeof(Uri)))
{
Uri uri;
if (Uri.TryCreate((string)value, UriKind.RelativeOrAbsolute, out uri))
{
return(uri);
}
}
else if (Type.Equals(targetType, typeof(Version)))
{
// try-catch is pointless since will throw upon generic conversion
return(new Version((string)value));
}
}
else if (Type.Equals(targetType, typeof(TimeSpan)))
{
return(new TimeSpan((long)this.CoerceType(typeof(Int64), value)));
}
#if !WINPHONE_8
TypeConverter converter = TypeDescriptor.GetConverter(targetType);
if (converter.CanConvertFrom(actualType))
{
return(converter.ConvertFrom(value));
}
converter = TypeDescriptor.GetConverter(actualType);
if (converter.CanConvertTo(targetType))
{
return(converter.ConvertTo(value, targetType));
}
#endif
try
{
// fall back to basics
return(Convert.ChangeType(value, targetType));
}
catch (Exception ex)
{
throw new JsonTypeCoercionException(
String.Format("Error converting {0} to {1}", new System.Object[] { value.GetType().FullName, targetType.FullName }), ex);
}
}
internal object CoerceType(Type targetType, object value)
{
bool isNullable = TypeCoercionUtility.IsNullable(targetType);
if (value == null)
{
if (!allowNullValueTypes &&
targetType.IsValueType &&
!isNullable)
{
throw new JsonTypeCoercionException(String.Format(TypeCoercionUtility.ErrorNullValueType, targetType.FullName));
}
return(value);
}
if (isNullable)
{
// nullable types have a real underlying struct
Type[] genericArgs = targetType.GetGenericArguments();
if (genericArgs.Length == 1)
{
targetType = genericArgs[0];
}
}
Type actualType = value.GetType();
if (targetType.IsAssignableFrom(actualType))
{
return(value);
}
if (targetType.IsEnum)
{
if (value is String)
{
// AKS: Try to parse enum's for upper-case too, since we always serialize as lower-case
if (Enum.IsDefined(targetType, value))
{
return(Enum.Parse(targetType, (string)value));
}
if (Enum.IsDefined(targetType, ((string)value).ToUpper()))
{
return(Enum.Parse(targetType, ((string)value).ToUpper()));
}
// if isn't a defined value perhaps it is the JsonName
foreach (FieldInfo field in targetType.GetFields())
{
string jsonName = JsonNameAttribute.GetJsonName(field);
if (((string)value).Equals(jsonName))
{
value = field.Name;
break;
}
}
return(Enum.Parse(targetType, (string)value));
}
else
{
value = this.CoerceType(Enum.GetUnderlyingType(targetType), value);
return(Enum.ToObject(targetType, value));
}
}
// if (targetType.IsPrimitive == false && targetType != typeof(string))
// {
// ConstructorInfo jsonConstructor = targetType.GetConstructors().FirstOrDefault(x => Attribute.IsDefined(x, typeof(JsonConstructor), true));
// if (jsonConstructor != null && jsonConstructor.GetParameters().Count() == 1)
// {
// Console.Write("JsonConstructor! " + targetType.Name);
// Type constructorArgType = jsonConstructor.GetParameters()[0].ParameterType;
// return jsonConstructor.Invoke(new object[] { CoerceType(constructorArgType, value) });
// }
//
// MethodInfo jsonFactory = targetType.GetMethods().FirstOrDefault(x => Attribute.IsDefined(x, typeof(JsonFactoryMethod), true));
// if (jsonFactory != null && jsonFactory.GetParameters().Count() == 1)
// {
// Console.Write("JsonFactory! " + targetType.Name);
// Type factoryArgType = jsonFactory.GetParameters()[0].ParameterType;
// return jsonFactory.Invoke(null, new object[] { CoerceType(factoryArgType, value) });
// }
// }
if (value is IDictionary)
{
Dictionary <string, MemberInfo> memberMap;
return(this.CoerceType(targetType, (IDictionary)value, out memberMap));
}
if (typeof(IEnumerable).IsAssignableFrom(targetType) &&
typeof(IEnumerable).IsAssignableFrom(actualType))
{
return(this.CoerceList(targetType, actualType, (IEnumerable)value));
}
if (value is String)
{
if (targetType == typeof(DateTime))
{
DateTime date;
if (DateTime.TryParse(
(string)value,
DateTimeFormatInfo.InvariantInfo,
DateTimeStyles.RoundtripKind | DateTimeStyles.AllowWhiteSpaces | DateTimeStyles.NoCurrentDateDefault,
out date))
{
return(date);
}
}
else
if (targetType == typeof(Guid))
{
// try-catch is pointless since will throw upon generic conversion
return(new Guid((string)value));
}
else
if (targetType == typeof(Char))
{
if (((string)value).Length == 1)
{
return(((string)value) [0]);
}
}
else
if (targetType == typeof(Uri))
{
Uri uri;
if (Uri.TryCreate((string)value, UriKind.RelativeOrAbsolute, out uri))
{
return(uri);
}
}
else
if (targetType == typeof(Version))
{
// try-catch is pointless since will throw upon generic conversion
return(new Version((string)value));
}
}
else
if (targetType == typeof(TimeSpan))
{
return(new TimeSpan((long)this.CoerceType(typeof(Int64), value)));
}
TypeConverter converter = TypeDescriptor.GetConverter(targetType);
if (converter.CanConvertFrom(actualType))
{
return(converter.ConvertFrom(value));
}
converter = TypeDescriptor.GetConverter(actualType);
if (converter.CanConvertTo(targetType))
{
return(converter.ConvertTo(value, targetType));
}
try
{
// fall back to basics
return(Convert.ChangeType(value, targetType));
}
catch (Exception ex)
{
throw new JsonTypeCoercionException(
String.Format("Error converting {0} to {1}", value.GetType().FullName, targetType.FullName), ex);
}
}
public virtual object CoerceType(Type targetType, object value)
{
bool flag = TypeCoercionUtility.IsNullable(targetType);
if (value == null)
{
if (!this.allowNullValueTypes && targetType.IsValueType && !flag)
{
throw new JsonTypeCoercionException(string.Format("{0} does not accept null as a value", targetType.FullName));
}
return(value);
}
else
{
if (flag)
{
Type[] genericArguments = targetType.GetGenericArguments();
if (genericArguments.Length == 1)
{
targetType = genericArguments[0];
}
}
Type type = value.GetType();
if (targetType.IsAssignableFrom(type))
{
return(value);
}
if (targetType.IsEnum)
{
if (value is string)
{
if (!Enum.IsDefined(targetType, value))
{
foreach (FieldInfo fieldInfo in targetType.GetFields())
{
string jsonName = JsonNameAttribute.GetJsonName(fieldInfo);
if (((string)value).Equals(jsonName))
{
value = fieldInfo.Name;
break;
}
}
}
return(Enum.Parse(targetType, (string)value));
}
value = this.CoerceType(Enum.GetUnderlyingType(targetType), value);
return(Enum.ToObject(targetType, value));
}
else
{
if (value is IDictionary)
{
Dictionary <string, MemberInfo> dictionary;
return(this.CoerceType(targetType, (IDictionary)value, out dictionary));
}
if (typeof(IEnumerable).IsAssignableFrom(targetType) && typeof(IEnumerable).IsAssignableFrom(type))
{
return(this.CoerceList(targetType, type, (IEnumerable)value));
}
if (value is string)
{
if (targetType == typeof(DateTime))
{
DateTime dateTime;
if (DateTime.TryParse((string)value, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AllowLeadingWhite | DateTimeStyles.AllowTrailingWhite | DateTimeStyles.AllowInnerWhite | DateTimeStyles.NoCurrentDateDefault | DateTimeStyles.RoundtripKind, out dateTime))
{
return(dateTime);
}
}
else
{
if (targetType == typeof(Guid))
{
return(new Guid((string)value));
}
if (targetType == typeof(char))
{
if (((string)value).Length == 1)
{
return(((string)value)[0]);
}
}
else if (targetType == typeof(Uri))
{
Uri result;
if (Uri.TryCreate((string)value, UriKind.RelativeOrAbsolute, out result))
{
return(result);
}
}
else if (targetType == typeof(Version))
{
return(new Version((string)value));
}
}
}
else if (targetType == typeof(TimeSpan))
{
return(new TimeSpan((long)this.CoerceType(typeof(long), value)));
}
TypeConverter converter = TypeDescriptor.GetConverter(targetType);
if (converter.CanConvertFrom(type))
{
return(converter.ConvertFrom(value));
}
converter = TypeDescriptor.GetConverter(type);
if (converter.CanConvertTo(targetType))
{
return(converter.ConvertTo(value, targetType));
}
object result2;
try
{
result2 = Convert.ChangeType(value, targetType);
}
catch (Exception innerException)
{
throw new JsonTypeCoercionException(string.Format("Error converting {0} to {1}", value.GetType().FullName, targetType.FullName), innerException);
}
return(result2);
}
}
}
