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);
}
public static void Main()
{
var userProfile = new UserProfile();
var validationDecorator = new ValidationDecorator(userProfile);
// with invalid input
try
{
validationDecorator.Username = "******";
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
}
try
{
validationDecorator.Password = "******";
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
}
// with valid input
validationDecorator.Username = "******";
validationDecorator.Password = "******";
Console.WriteLine("Username: "******"Password: "******"ivan";
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
}
try
{
encryptionDecorator.Password = "******";
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
}
encryptionDecorator.Username = "******";
encryptionDecorator.Password = "******";
Console.WriteLine("Username: "******"Encrypted password: " + userProfile.Password);
}
public static void Main()
{
var userProfile = new UserProfile();
var validationDecorator = new ValidationDecorator(userProfile);
// with invalid input
try
{
validationDecorator.Username = "******";
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
}
try
{
validationDecorator.Password = "******";
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
}
// with valid input
validationDecorator.Username = "******";
validationDecorator.Password = "******";
Console.WriteLine("Username: "******"Password: "******"ivan";
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
}
try
{
encryptionDecorator.Password = "******";
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
}
encryptionDecorator.Username = "******";
encryptionDecorator.Password = "******";
Console.WriteLine("Username: "******"Encrypted password: " + userProfile.Password);
}