static void Main(string[] args)
{
IMessageSender textMessageSender = new TextMessageSender();
Message textMessage = new TextMessage(textMessageSender);
textMessage.Send(); // output: TextMessageSender: Sending text message...
IMessageSender emailMessageSender = new EmailMessageSender();
Message emailMessage = new TextMessage(emailMessageSender);
emailMessage.Send(); // output: EmailMessageSender: Sending email message...
}
static void Main()
{
IMessageSender text = new TextMessageSender();
IMessageSender web = new WebServiceMessageSender();
Message message = new SystemMessage();
message.Subject = "A Message";
message.Body = "Hi there, please accept this message!";
message.MessageSender = text;
message.Send();
Console.WriteLine();
message.MessageSender = web;
message.Send();
Console.Read();
}