Enum Mapper in C#

EnumMapper.cs

	public class EnumMapper : IDisposable
	{
		readonly Dictionary<Type, Dictionary<string, object>> _stringsToEnums =
			new Dictionary<Type, Dictionary<string, object>>( ) ;

		readonly Dictionary<Type, Dictionary<int, string>> _enumNumbersToStrings =
			new Dictionary<Type, Dictionary<int, string>>( ) ;

		readonly ReaderWriterLockSlim _lock = new ReaderWriterLockSlim( ) ;

		public object EnumFromString( Type type, string value )
		{
			populateIfNotPresent( type ) ;

			return _stringsToEnums[ type ][ value ] ;
		}

		public string StringFromEnum( object theEnum )
		{
			Type typeOfEnum = theEnum.GetType( ) ;

			populateIfNotPresent( typeOfEnum ) ;

			return _enumNumbersToStrings[ typeOfEnum ][ (int) theEnum ] ;
		}

		void populateIfNotPresent( Type type )
		{
			_lock.EnterUpgradeableReadLock( ) ;
			try
			{
				if( !_stringsToEnums.ContainsKey( type ) )
				{
					_lock.EnterWriteLock( ) ;
					try
					{
						populate( type ) ;
					}
					finally
					{
						_lock.ExitWriteLock( ) ;
					}
				}
			}
			finally
			{
				_lock.ExitUpgradeableReadLock( ) ;
			}
		}

		void populate( Type type )
		{
			Array values = Enum.GetValues( type ) ;
			_stringsToEnums[ type ] = new Dictionary<string, object>( values.Length ) ;
			_enumNumbersToStrings[ type ] = new Dictionary<int, string>( values.Length ) ;

			for( int i = 0; i < values.Length; i++ )
			{
				object value = values.GetValue( i ) ;
				_stringsToEnums[ type ].Add( value.ToString( ), value ) ;
				_enumNumbersToStrings[ type ].Add( (int) value, value.ToString( ) ) ;
			}
		}

		public void Dispose( )
		{
			_lock.Dispose( ) ;
		}
	}
}

Hey Steve,

Is there any license associated with your enum mapping code? I would like to use it as-is in a project of mine.

Thanks,
Patrick

Hi Steve,

Any word on if you would be open to licensing this something like MIT? According to GitHub if there is no license posted then it is assumed copyright. I can respect if you want to leave it this way.

Thanks,
Patrick

Sorry for the delay in putting the license info there - I didn't see the e-mail alerts.