static void Main(string[] args)
{
Console.WriteLine("Decorator Pattern !!!" + Environment.NewLine);
BaseDataSource file = new FileDataSource(Environment.CurrentDirectory);
// Decorate component
BaseDataSourceDecorator encryptedFile = new EncryptionDecorator(file);
BaseDataSourceDecorator compressFile = new CompressionDecorator(encryptedFile);
var resultFile = compressFile.ReadData();
Console.WriteLine(resultFile);
Console.WriteLine();
// Other way
BaseDataSource stream = new StreamDataSource("www.example.com");
// Decorate component
stream = new EncryptionDecorator(stream);
stream = new CompressionDecorator(stream);
var resultStream = stream.ReadData();
Console.WriteLine(resultStream);
}
static void Main(string[] args)
{
IDataSource fileDataSource = new FileDataSource("test-file.txt");
IDataSource encryptedDataSource = new EncryptionDecorator(fileDataSource);
string data = encryptedDataSource.ReadData();
Console.WriteLine();
encryptedDataSource.WriteData(data);
}
static void Main(string[] args)
{
IDataSource dataSource = new FileDataSource("data.sql");
IDataSource compressedDataSource = new ComporessionDecorator(dataSource);
compressedDataSource.ReadData();
compressedDataSource.WriteData(new object());
// output:
// data.sql readed.
// Data compressed.
// Compressed data was written to data.sql.
}
