static void Main()
{
Console.WriteLine("Proxy Pattern\n");
Console.WriteLine("=============\n");
ISubject subject = new Proxy();
Console.WriteLine(subject.Request());
Console.WriteLine(subject.Request());
Console.WriteLine("=============\n");
ProtectionProxy subjectProtected = new ProtectionProxy();
Console.WriteLine(subjectProtected.Request());
//Console.WriteLine((subjectProtected as ProtectionProxy).Authenticate("Secret"));
//Console.WriteLine((subjectProtected as ProtectionProxy).Authenticate("Abracadabra"));
Console.WriteLine(subjectProtected.Authenticate("Secret"));
Console.WriteLine(subjectProtected.Authenticate("Abracadabra"));
Console.WriteLine(subjectProtected.Request());
// ISubject test = new Subject(); //The logic of the program is organized, that the Client can only declare proxies!!!
}
public void Proxy()
{
RealSubject realsubject = new RealSubject();
Assert.AreEqual(realsubject.DoAction(), "do action");
VirtualProxy subject = new VirtualProxy();
Assert.AreEqual(subject.DoAction(), "Virtual Proxy: Call to do action");
ProtectionProxy protectedsubject = new ProtectionProxy();
Assert.AreEqual(protectedsubject.DoAction(), "Protection Proxy: Authenticate first");
var result = protectedsubject.Authenticate("somepassword");
Assert.AreEqual(result, "Protection proxy: No Access");
Assert.AreEqual(protectedsubject.DoAction(), "Protection Proxy: Authenticate first");
result = protectedsubject.Authenticate("mypassword");
Assert.AreEqual(result, "Protection proxy: Authenticated");
Assert.AreEqual(protectedsubject.DoAction(), "Protection Proxy: Call to do action");
}
