+Adapter and improvements

Author: ochococo

README.markdown

@@ -21,7 +21,7 @@ Playground generated with: [Swift Playground Builder](https://github.com/jas/swi
 ```swift
 class SingletonClass {
     class var shared : SingletonClass {
-    
+
         struct Static {
             static let instance : SingletonClass = SingletonClass()
         }
@@ -158,47 +158,103 @@ Eduardo.name = "Eduardo"
 >**Source:** [wikipedia.org](http://en.wikipedia.org/wiki/Structural_pattern)
 
 ##Composite
+```swift
+class SafeString
+{
+    var embeddedString:String
+
+    init(_ string:String)
+    {
+        self.embeddedString = string.stringByReplacingOccurrencesOfString("\"", withString: "\\\"", options: NSStringCompareOptions.LiteralSearch, range: nil)
+    }
+
+    func convert()->String
+    {
+        return self.embeddedString;
+    }
+
+    func description()->String
+    {
+        return self.embeddedString;
+    }
+
+}
+
+```
+**Usage:**
+```swift
+var unsafe = "Watch this: \"; DELETE * FROM \"php.stupid\"; "
+var safe = SafeString(unsafe)
+
+safe// as String
+```
 ##Façade
 
 ```swift
-let DEFAULT_POINT_BASE = 2.0
-let DEFAULT_POINT_POLARIZATION = false
+class Eternal{
+
+    class func setObject(value: AnyObject!, forKey defaultName: String!){
+
+        let defaults:NSUserDefaults = NSUserDefaults.standardUserDefaults()
+        defaults.setObject(value,forKey:defaultName)
+        defaults.synchronize()
+    }
+
+    class func objectForKey(defaultName: String!) -> AnyObject!{
+
+        let defaults:NSUserDefaults = NSUserDefaults.standardUserDefaults()
+
+        return defaults.objectForKey(defaultName)
+    }
+
+}
+```
+**Usage:**
+```swift
+Eternal.setObject("Disconnect me. I’d rather be nothing",forKey:"Bishop")
 
-class NotSoSimplePointConverter{
+var bishopSaid:AnyObject! = Eternal.objectForKey("Bishop")
+```
+
+##Adapter
+```swift
+// WARNING: This example uses Point class from Builder pattern!
+
+class PointConverter{
 
-    class func pointFrom(#x:Double,y:Double,z:Double,base:Double,negative:Bool) -> Point{
+    class func convert(#point:Point, base:Double, negative:Bool) -> Point{
 
-        var point = Point{
-            $0.x = (x*base) * (negative ? -1.0 : 1.0)
-            $0.y = (y*base) * (negative ? -1.0 : 1.0)
-            $0.z = (z*base) * (negative ? -1.0 : 1.0)
+        var pointConverted = Point{
+            if let x = point.x{ $0.x = x * base * (negative ? -1.0 : 1.0) }
+            if let y = point.y{ $0.y = y * base * (negative ? -1.0 : 1.0) }
+            if let z = point.z{ $0.z = z * base * (negative ? -1.0 : 1.0) }
         }
 
-        return point
+        return pointConverted
     }
 }
 
-class OhSoSimplePointConverter{
+extension PointConverter{
 
-    class func standarizedXYZFrom(#x:Double,y:Double,z:Double) -> (x:Double!,y:Double!,z:Double!){
-        
-        var pointCalculated = NotSoSimplePointConverter.pointFrom(x:x,y:y,z:z,base:DEFAULT_POINT_BASE,negative:!DEFAULT_POINT_POLARIZATION)
+    class func convert(#x:Double!, y:Double!, z:Double!, base:Double!, negative:Bool!) -> (x:Double!,y:Double!,z:Double!){
+
+        var point = Point{ $0.x = x; $0.y = y; $0.z = z }
+        var pointCalculated = self.convert(point:point, base:base, negative:negative)
 
-        return (pointCalculated.x,pointCalculated.y,pointCalculated.z)
+        return (pointCalculated.x!,pointCalculated.y!,pointCalculated.z!)
     }
-    
+
 }
 ```
 **Usage:**
 ```swift
-var tuple = OhSoSimplePointConverter.standarizedXYZFrom(x:1.1, y:2.2, z:3.3)
+var tuple = PointConverter.convert(x:1.1, y:2.2, z:3.3, base:2.0, negative:true)
 
 tuple.x
 tuple.y
 tuple.z
 ```
 
-##Adapter
 ##Bridge
 ##Decorator
 ##Proxy