static void Main(string[] args)
{
Client client = new Client();
// This way the client code can support the simple leaf
// components...
Leaf leaf = new Leaf();
Console.WriteLine("Client: I get a simple component:\n");
client.ClientCode(leaf);
// ...as well as the complex composites.
Composite tree = new Composite();
Composite branch1 = new Composite();
branch1.Add(new Leaf());
branch1.Add(new Leaf());
Composite branch2 = new Composite();
branch2.Add(new Leaf());
tree.Add(branch1);
tree.Add(branch2);
Console.WriteLine("Client: Now I've got a composite tree:\n");
client.ClientCode(tree);
Console.Write("Client: I don't need to check the components classes even when managing the tree:\n");
client.ClientCode2(tree, leaf);
Console.WriteLine("Price Calc:\n");
ProductClient productClient = new ProductClient();
Product product = new Product(10);
Console.WriteLine("Client: I get a simple component:\n");
productClient.ClientCode(product);
// ...as well as the complex composites.
Box box = new Box();
Box envelop1 = new Box();
envelop1.Add(new Product(20));
envelop1.Add(new Product(30));
Box envelop2 = new Box();
envelop2.Add(new Product(50));
box.Add(envelop1);
box.Add(envelop2);
Console.WriteLine("Client: Now I've got a composite tree:\n");
productClient.ClientCode(box);
Console.Write("Client: I don't need to check the components classes even when managing the tree:\n");
productClient.ClientCode2(box, product);
}
