public override Object ConvertValueToType(Type expectedType, Object value, Object additionalInformation)
{
if (expectedType == null)
{
return(value);
}
if (value == null)
{
if (expectedType.IsValueType)
{
return(Activator.CreateInstance(expectedType));
}
return(null);
}
Type type = value.GetType();
if (expectedType.IsAssignableFrom(type))
{
return(value);
}
if (type.IsGenericType && typeof(Nullable <>).Equals(type.GetGenericTypeDefinition()))
{
//Convert from Nullable<T>
bool hasValue = (bool)nullableHasValueProperty.GetValue(value, null);
if (hasValue)
{
Object notNullablevalue = nullableValueProperty.GetValue(value, null);
return(ConvertValueToType(expectedType, notNullablevalue));
}
else
{
return(ConvertValueToType(expectedType, null));
}
}
else if (expectedType.IsGenericType && typeof(Nullable <>).Equals(expectedType.GetGenericTypeDefinition()))
{
//Convert to Nullable<T>
Type[] expectedNotNullableType = expectedType.GetGenericArguments();
Object notNullableExpectedValue = ConvertValueToType(expectedNotNullableType[0], value);
Type nullableType = typeof(Nullable <>).MakeGenericType(expectedNotNullableType);
return(Activator.CreateInstance(nullableType, notNullableExpectedValue));
}
if (expectedType.IsArray)
{
Type elementType = expectedType.GetElementType();
if (elementType.IsAssignableFrom(value.GetType()))
{
// The type of the array matches already the given value
// So we create an array with a size of 1 and put the value in it
Array arraySingleValue = Array.CreateInstance(elementType, 1);
arraySingleValue.SetValue(value, 0);
return(arraySingleValue);
}
if (value is String)
{
if (typeof(byte).Equals(elementType))
{
// Special case blob-array
return(Convert.FromBase64String((String)value));
}
else if (typeof(Type).Equals(elementType))
{
// Special case type-array
String[] items = ((String)value).Split(';');
value = items;
}
}
IList list = (IList)value;
Array objectValue = Array.CreateInstance(elementType, list.Count);
for (int a = list.Count; a-- > 0;)
{
Object convertedItem = ConvertValueToType(elementType, list[a]);
objectValue.SetValue(convertedItem, a);
}
return(objectValue);
}
if (typeof(Int64).Equals(expectedType) || typeof(Int64?).Equals(expectedType))
{
if (typeof(UInt64).Equals(type))
{
return((Int64)((UInt64)value));
}
else if (typeof(Int32).Equals(type))
{
return((Int64)((Int32)value));
}
else if (typeof(UInt32).Equals(type))
{
return((Int64)((UInt32)value));
}
else if (typeof(Int16).Equals(type))
{
return((Int64)((Int16)value));
}
else if (typeof(UInt16).Equals(type))
{
return((Int64)((UInt16)value));
}
else if (typeof(DateTime).Equals(type))
{
return(DateTimeUtil.ConvertDateTimeToJavaMillis((DateTime)value));
}
else if (typeof(String).Equals(type))
{
return(Int64.Parse((String)value, CultureInfo.InvariantCulture));
}
}
else if (typeof(Double).Equals(expectedType) || typeof(Double?).Equals(expectedType))
{
if (typeof(Int32).Equals(type))
{
return((Double)((Int32)value));
}
else if (typeof(UInt32).Equals(type))
{
return((Double)((UInt32)value));
}
else if (typeof(String).Equals(type))
{
return(Double.Parse((String)value, CultureInfo.InvariantCulture));
}
}
else if (typeof(Int32).Equals(expectedType) || typeof(Int32?).Equals(expectedType))
{
if (typeof(Int64).Equals(type))
{
return((Int32)((Int64)value));
}
else if (typeof(UInt64).Equals(type))
{
return((Int32)((UInt64)value));
}
if (typeof(UInt32).Equals(type))
{
return((Int32)((UInt32)value));
}
else if (typeof(Int16).Equals(type))
{
return((Int32)((Int16)value));
}
else if (typeof(UInt16).Equals(type))
{
return((Int32)((UInt16)value));
}
else if (typeof(String).Equals(type))
{
return(Int32.Parse((String)value, CultureInfo.InvariantCulture));
}
}
else if (typeof(UInt32).Equals(expectedType) || typeof(UInt32?).Equals(expectedType))
{
if (typeof(Int64).Equals(type))
{
return((UInt32)((Int64)value));
}
else if (typeof(UInt64).Equals(type))
{
return((UInt32)((UInt64)value));
}
if (typeof(Int32).Equals(type))
{
return((UInt32)((Int32)value));
}
else if (typeof(Int16).Equals(type))
{
return((UInt32)((Int16)value));
}
else if (typeof(UInt16).Equals(type))
{
return((UInt32)((UInt16)value));
}
else if (typeof(String).Equals(type))
{
return(UInt32.Parse((String)value, CultureInfo.InvariantCulture));
}
}
else if (typeof(Single).Equals(expectedType) || typeof(Single?).Equals(expectedType))
{
if (typeof(Int32).Equals(type))
{
return((Single)((Int32)value));
}
else if (typeof(UInt32).Equals(type))
{
return((Single)((UInt32)value));
}
else if (typeof(String).Equals(type))
{
return(Single.Parse((String)value, CultureInfo.InvariantCulture));
}
}
else if (typeof(Int16).Equals(expectedType) || typeof(Int16?).Equals(expectedType))
{
if (typeof(Int64).Equals(type))
{
return((Int16)((Int64)value));
}
else if (typeof(UInt64).Equals(type))
{
return((Int16)((UInt64)value));
}
else if (typeof(Int32).Equals(type))
{
return((Int16)((Int32)value));
}
else if (typeof(UInt32).Equals(type))
{
return((Int16)((UInt32)value));
}
else if (typeof(UInt16).Equals(type))
{
return((Int16)((UInt16)value));
}
else if (typeof(String).Equals(type))
{
return(Int16.Parse((String)value, CultureInfo.InvariantCulture));
}
}
else if (typeof(UInt16).Equals(expectedType) || typeof(UInt16?).Equals(expectedType))
{
if (typeof(Int64).Equals(type))
{
return((UInt16)((Int64)value));
}
else if (typeof(UInt64).Equals(type))
{
return((UInt16)((UInt64)value));
}
else if (typeof(Int32).Equals(type))
{
return((UInt16)((Int32)value));
}
else if (typeof(UInt32).Equals(type))
{
return((UInt16)((UInt32)value));
}
else if (typeof(UInt16).Equals(type))
{
return((UInt16)((UInt16)value));
}
else if (typeof(String).Equals(type))
{
return(UInt16.Parse((String)value, CultureInfo.InvariantCulture));
}
}
else if (typeof(Char).Equals(expectedType) || typeof(Char?).Equals(expectedType))
{
#if !SILVERLIGHT
if (typeof(String).Equals(type))
{
return(Char.Parse((String)value));
}
#endif
}
else if (typeof(Byte).Equals(expectedType) || typeof(Byte?).Equals(expectedType))
{
if (typeof(String).Equals(type))
{
return(Byte.Parse((String)value, CultureInfo.InvariantCulture));
}
}
else if (typeof(SByte).Equals(expectedType) || typeof(SByte?).Equals(expectedType))
{
if (typeof(String).Equals(type))
{
return(SByte.Parse((String)value, CultureInfo.InvariantCulture));
}
}
else if (typeof(Boolean).Equals(expectedType) || typeof(Boolean?).Equals(expectedType))
{
if (typeof(String).Equals(type))
{
return(Boolean.Parse((String)value));
}
}
else if (typeof(DateTime).Equals(expectedType) || typeof(DateTime?).Equals(expectedType))
{
if (typeof(Int64).Equals(type))
{
DateTime dateTime = DateTimeUtil.ConvertJavaMillisToDateTime((Int64)value);
if (!dateTimeUTC)
{
dateTime = dateTime.ToLocalTime();
}
return(dateTime);
}
else if (typeof(UInt64).Equals(type))
{
DateTime dateTime = DateTimeUtil.ConvertJavaMillisToDateTime((long)((UInt64)value));
if (!dateTimeUTC)
{
dateTime = dateTime.ToLocalTime();
}
return(dateTime);
}
else if (typeof(String).Equals(type))
{
String sValue = (String)value;
long lValue;
if (Int64.TryParse(sValue, out lValue))
{
DateTime dateTime = DateTimeUtil.ConvertJavaMillisToDateTime(lValue);
if (!dateTimeUTC)
{
dateTime = dateTime.ToLocalTime();
}
return(dateTime);
}
return(DateTime.Parse(sValue));
}
}
else if (typeof(TimeSpan).Equals(expectedType) || typeof(TimeSpan?).Equals(expectedType))
{
if (typeof(Int64).Equals(type))
{
return(TimeSpan.FromMilliseconds((Int64)value));
}
else if (typeof(Double).Equals(type))
{
return(TimeSpan.FromMilliseconds((Double)value));
}
else if (typeof(Int32).Equals(type))
{
return(TimeSpan.FromMilliseconds((Int32)value));
}
else if (typeof(UInt32).Equals(type))
{
return(TimeSpan.FromMilliseconds((UInt32)value));
}
else if (typeof(String).Equals(type))
{
return(TimeSpan.FromMilliseconds(Double.Parse((String)value)));
}
}
else if (expectedType.IsEnum)
{
#if SILVERLIGHT
if (typeof(String).Equals(type))
{
return(Enum.Parse(expectedType, (String)value, false));
}
#else
if (typeof(String).Equals(type))
{
return(Enum.Parse(expectedType, (String)value));
}
#endif
else if (typeof(Enum).IsAssignableFrom(type))
{
return(ConvertValueToType(expectedType, Enum.GetName(type, value)));
}
}
else if (typeof(Type).Equals(expectedType))
{
if (typeof(String).Equals(type))
{
Type loadedType = AssemblyHelper.GetTypeFromAssemblies((String)value);
if (loadedType == null)
{
throw new TypeLoadException("Type " + value + " not found in the assemblies of the current application domain");
}
return(loadedType);
}
}
else if (typeof(String).Equals(expectedType))
{
if (typeof(Type).Equals(type))
{
return(((Type)value).FullName);
}
else if (typeof(IFormattable).IsAssignableFrom(type))
{
return(((IFormattable)value).ToString(null, CultureInfo.InvariantCulture));
}
else
{
return(value.ToString());
}
}
else if (typeof(char[]).Equals(expectedType))
{
if (typeof(String).Equals(type))
{
return(value.ToString().ToCharArray());
}
}
throw new ArgumentException("Cannot convert from '" + value.GetType() + "' to '" + expectedType + "'");
}