Facadeinput

Facade1.cs

using System; 
namespace DoFactory.GangOfFour.Facade.RealWorld 
{ 
  /// <summary> 
  /// MainApp startup class for Real-World  
  /// Facade Design Pattern. 
  /// </summary> 
  class MainApp 
  { 
    /// <summary> 
    /// Entry point into console application. 
    /// </summary> 
    static void Main() 
    { 
      // Facade 
      Mortgage mortgage = new Mortgage(); 
      // Evaluate mortgage eligibility for customer 
      Customer customer = new Customer(""Ann McKinsey""); 
    bool eligible = mortgage.IsEligible(customer, 125000); 
Console.WriteLine(""\n"" + customer.Name + 
  "" has been "" + (eligible ? ""Approved"" : ""Rejected"")); 
// Wait for user 
Console.ReadKey(); 
    } 
  } 
  /// <summary> 
  /// The 'Subsystem ClassA' class 
  /// </summary> 
  class Bank 
{ 
  public bool HasSufficientSavings(Customer c, int amount) 
  { 
    Console.WriteLine(""Check bank for "" + c.Name); 
    return true; 
  } 
} 
/// <summary> 
/// The 'Subsystem ClassB' class 
/// </summary> 
class Credit 
{ 
  public bool HasGoodCredit(Customer c) 
  { 
    Console.WriteLine(""Check credit for "" + c.Name); 
    return true; 
  } 
} 
/// <summary> 
/// The 'Subsystem ClassC' class 
/// </summary> 
class Loan 
{ 
  public bool HasNoBadLoans(Customer c) 
  { 
    Console.WriteLine(""Check loans for "" + c.Name); 
    return true; 
  } 
} 
/// <summary> 
/// Customer class 
/// </summary> 
class Customer 
{ 
  private string _name; 
  // Constructor 
  public Customer(string name) 
  { 
    this._name = name; 
  } 
  // Gets the name 
  public string Name 
  { 
    get { return _name; } 
  } 
} 
/// <summary> 
/// The 'Facade' class 
/// </summary> 
class Mortgage 
{ 
  private Bank _bank = new Bank(); 
  private Loan _loan = new Loan(); 
  private Credit _credit = new Credit(); 
  public bool IsEligible(Customer cust, int amount) 
  { 
    Console.WriteLine(""{0} applies for {1:C} loan\n"", 
      cust.Name, amount); 
    bool eligible = true; 
    // Check creditworthyness of applicant 
    if (!_bank.HasSufficientSavings(cust, amount)) 
    { 
      eligible = false; 
    } 
    else if (!_loan.HasNoBadLoans(cust)) 
    { 
      eligible = false; 
    } 
    else if (!_credit.HasGoodCredit(cust)) 
    { 
      eligible = false;
		}
		return eligible;
	}
} 
}