public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
{
if (!(value is BigInteger))
{
return(null);
}
if (destinationType == typeof(byte[]))
{
var buffer = ((BigInteger)value).ToByteArray();
return(CassandraConversionHelper.ConvertEndian(buffer));
}
if (destinationType == typeof(BigInteger))
{
return((BigInteger)value);
}
if (destinationType == typeof(byte))
{
return((byte)(BigInteger)value);
}
if (destinationType == typeof(short))
{
return((short)(BigInteger)value);
}
if (destinationType == typeof(int))
{
return((int)(BigInteger)value);
}
if (destinationType == typeof(long))
{
return((long)(BigInteger)value);
}
if (destinationType == typeof(sbyte))
{
return((sbyte)(BigInteger)value);
}
if (destinationType == typeof(ushort))
{
return((ushort)(BigInteger)value);
}
if (destinationType == typeof(uint))
{
return((uint)(BigInteger)value);
}
if (destinationType == typeof(ulong))
{
return((ulong)(BigInteger)value);
}
return(null);
}
public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
{
if (value is byte[])
{
var buffer = CassandraConversionHelper.ConvertEndian((byte[])value);
return(new BigInteger(buffer));
}
if (value is BigInteger)
{
return((BigInteger)value);
}
if (value is byte)
{
return((BigInteger)(byte)value);
}
if (value is short)
{
return((BigInteger)(short)value);
}
if (value is int)
{
return((BigInteger)(int)value);
}
if (value is long)
{
return((BigInteger)(long)value);
}
if (value is sbyte)
{
return((BigInteger)(sbyte)value);
}
if (value is ushort)
{
return((BigInteger)(ushort)value);
}
if (value is uint)
{
return((BigInteger)(uint)value);
}
if (value is ulong)
{
return((BigInteger)(ulong)value);
}
return(null);
}
public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
{
if (value is Guid)
{
return(CassandraConversionHelper.ConvertGuidToBytes((Guid)value));
}
byte[] bytes = null;
if (value is byte[])
{
bytes = (byte[])value;
}
else if (value is DateTimeOffset)
{
bytes = BitConverter.GetBytes(((DateTimeOffset)value).UtcTicks);
}
if (bytes == null)
{
switch (Type.GetTypeCode(value.GetType()))
{
case TypeCode.Byte:
bytes = new byte[] { (byte)value }; break;
case TypeCode.SByte:
bytes = new byte[] { Convert.ToByte((sbyte)value) }; break;
case TypeCode.DateTime:
bytes = BitConverter.GetBytes(((DateTime)value).Ticks); break;
case TypeCode.Boolean:
bytes = BitConverter.GetBytes((bool)value); break;
case TypeCode.Char:
bytes = BitConverter.GetBytes((char)value); break;
case TypeCode.Double:
bytes = BitConverter.GetBytes((double)value); break;
case TypeCode.Int16:
bytes = BitConverter.GetBytes((short)value); break;
case TypeCode.Int32:
bytes = BitConverter.GetBytes((int)value); break;
case TypeCode.Int64:
bytes = BitConverter.GetBytes((long)value); break;
case TypeCode.Single:
bytes = BitConverter.GetBytes((float)value); break;
case TypeCode.UInt16:
bytes = BitConverter.GetBytes((ushort)value); break;
case TypeCode.UInt32:
bytes = BitConverter.GetBytes((uint)value); break;
case TypeCode.UInt64:
bytes = BitConverter.GetBytes((ulong)value); break;
case TypeCode.Decimal:
bytes = FromDecimal((decimal)value); break;
case TypeCode.String:
bytes = Encoding.UTF8.GetBytes((string)value); break;
default:
break;
}
}
if (bytes == null)
{
return(null);
}
return(CassandraConversionHelper.ConvertEndian(bytes));
}
public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
{
if (!(value is byte[]))
{
return(null);
}
if (destinationType == typeof(Guid))
{
return(CassandraConversionHelper.ConvertBytesToGuid((byte[])value));
}
var bytes = CassandraConversionHelper.ConvertEndian((byte[])value);
if (destinationType == typeof(byte[]))
{
return(bytes);
}
if (destinationType == typeof(DateTimeOffset))
{
return(new DateTimeOffset(BitConverter.ToInt64(bytes, 0), new TimeSpan(0L)));
}
switch (Type.GetTypeCode(destinationType))
{
case TypeCode.Byte:
return(bytes[0]);
case TypeCode.SByte:
return(Convert.ToSByte(bytes[0]));
case TypeCode.DateTime:
return(new DateTime(BitConverter.ToInt64(bytes, 0)));
case TypeCode.Boolean:
return(BitConverter.ToBoolean(bytes, 0));
case TypeCode.Char:
return(BitConverter.ToChar(bytes, 0));
case TypeCode.Double:
return(BitConverter.ToDouble(bytes, 0));
case TypeCode.Int16:
return(BitConverter.ToInt16(bytes, 0));
case TypeCode.Int32:
return(BitConverter.ToInt32(bytes, 0));
case TypeCode.Int64:
return(BitConverter.ToInt64(bytes, 0));
case TypeCode.Single:
return(BitConverter.ToSingle(bytes, 0));
case TypeCode.UInt16:
return(BitConverter.ToUInt16(bytes, 0));
case TypeCode.UInt32:
return(BitConverter.ToUInt32(bytes, 0));
case TypeCode.UInt64:
return(BitConverter.ToUInt64(bytes, 0));
case TypeCode.Decimal:
return(ToDecimal(bytes));
case TypeCode.String:
return(Encoding.UTF8.GetString(bytes));
default:
return(null);
}
}