reformat null object.

Author: beginor

Creational/NullObject/AbstractBook.cs

@@ -1,7 +1,13 @@
-using System;
-
-public abstract class AbstractCustomer {
-	protected string title;
-	
-	public abstract string GetTitle();
+using System;
+
+namespace NullObject {
+
+    public abstract class AbstractBook {
+
+        protected string title;
+
+        public abstract string GetTitle();
+
+    }
+
 }

Creational/NullObject/Book.cs

@@ -1,12 +1,17 @@
-using System;
-
-public class Book : AbstractCustomer {
-	
-	public Book (String title) {
-		this.title = title;
-	}
-	
-	public override string GetTitle() {
-		return title;
-	}
-}
+using System;
+
+namespace NullObject {
+
+    public class Book : AbstractBook {
+
+        public Book(string title) {
+            this.title = title;
+        }
+
+        public override string GetTitle() {
+            return title;
+        }
+
+    }
+
+}

Creational/NullObject/BookFactory.cs

@@ -1,14 +1,20 @@
-using System;
-
-public class BookFactory {
-	
-	public static string[] books = {"Book1", "Book2", "Book3" };
-	
-	public static AbstractCustomer GetBook(string title) {
-		for(int i = 0; i < books.Length; i++)
-			if(books[i] == title)
-				return new Book(title);
-		return new NullBook();
-	}
-	
-}
+using System;
+
+namespace NullObject {
+
+    public class BookFactory {
+
+        public static string[] books = { "Book1", "Book2", "Book3" };
+
+        public static AbstractBook GetBook(string title) {
+            for (int i = 0; i < books.Length; i++) {
+                if (books[i] == title) {
+                    return new Book(title);
+                }
+            }
+            return new NullBook();
+        }
+
+    }
+
+}

Creational/NullObject/Client.cs

@@ -1,9 +1,13 @@
 using System;
 
-class NullBook : AbstractCustomer {
-	
-	public override string GetTitle() {
-		return "Not avaible in Customer Database";
-	}
-	
+namespace NullObject {
+
+    class NullBook : AbstractBook {
+
+        public override string GetTitle() {
+            return "Not avaible in Customer Database";
+        }
+
+    }
+
 }

Creational/NullObject/NullBook.cs

@@ -32,8 +32,12 @@
     <Reference Include="System" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="AbstractBook.cs" />
+    <Compile Include="Book.cs" />
+    <Compile Include="BookFactory.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="NullBook.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
 </Project>

Creational/NullObject/NullObject.csproj

@@ -0,0 +1,24 @@
+using System;
+
+namespace NullObject {
+
+    public class Program {
+
+        static void Main(string[] args) {
+
+            AbstractBook c1 = BookFactory.GetBook("Book1");
+            AbstractBook c2 = BookFactory.GetBook("Book5");
+            AbstractBook c3 = BookFactory.GetBook("Book2");
+            AbstractBook c4 = BookFactory.GetBook("Book3");
+            AbstractBook c5 = BookFactory.GetBook("Book9");
+
+            Console.WriteLine(c1.GetTitle());
+            Console.WriteLine(c2.GetTitle());
+            Console.WriteLine(c3.GetTitle());
+            Console.WriteLine(c4.GetTitle());
+            Console.WriteLine(c5.GetTitle());
+        }
+
+    }
+
+}