Structural Design Patterns :

Adapter design pattern type

Author: zoom2manoj

README.md

@@ -25,11 +25,15 @@ Graph :
 3. Sum Array
 4. Anagram
 
-Design Patterns: 
-Creational Design Patternn:
+Design Patterns:
+
+Creational Design Pattern:
  1. Singleton Pattern 
  2. Factory Pattern
  3. Builder Pattern
  4. Prototype Pattern
 
+ Structural Design Pattern:
+ 1. Adapter Design Pattern
+ 
 Currently, process is going on, will update soon.

src/com/design_pattern/structural/adapter/AdapterDesignPatternDemo.java

@@ -0,0 +1,30 @@
+package com.design_pattern.structural.adapter;
+
+public class AdapterDesignPatternDemo {
+	
+	public static void main(String[] arg){
+		
+		testClassAdapter();
+		testObjectAdapter();
+	}
+
+	private static void testObjectAdapter() {
+		// TODO Auto-generated method stub
+		
+		SocketAdapter socketAdapter = new AdapterDesign_ObjectImpDemo();
+		System.out.println("120 volt used "+socketAdapter.get120Volt().getVolts()+" object adapter");
+		System.out.println("12 volt used "+socketAdapter.get12Volt().getVolts()+" object adapter");
+		System.out.println("3 volt used "+socketAdapter.get3Volt().getVolts()+" object adapter");
+	}
+
+	private static void testClassAdapter() {
+		// TODO Auto-generated method stub
+		SocketAdapter socketAdapter = new AdapterDesign_InterfaceImpDemo();
+		
+		System.out.println("120 volt used "+socketAdapter.get120Volt().getVolts()+" adapter");
+		System.out.println("12 volt used "+socketAdapter.get12Volt().getVolts()+" adapter");
+		System.out.println("3 volt used "+socketAdapter.get3Volt().getVolts()+" adapter");
+
+	}
+
+}

src/com/design_pattern/structural/adapter/AdapterDesign_InterfaceImpDemo.java

@@ -0,0 +1,33 @@
+package com.design_pattern.structural.adapter;
+
+public class AdapterDesign_InterfaceImpDemo extends Socket implements SocketAdapter{
+
+	@Override
+	public Volt get120Volt() {
+		// TODO Auto-generated method stub
+		return getVolts();
+	}
+
+	@Override
+	public Volt get12Volt() {
+		// TODO Auto-generated method stub
+		return convertVolt(getVolts(), 10);
+	}
+
+	
+
+	@Override
+	public Volt get3Volt() {
+		// TODO Auto-generated method stub
+		return convertVolt(getVolts(), 40);
+	}
+	
+	
+	private Volt convertVolt(Volt volts, int i) {
+		// TODO Auto-generated method stub
+		return new Volt(volts.getVolts()/i);
+	}
+	
+	
+	
+}

src/com/design_pattern/structural/adapter/AdapterDesign_ObjectImpDemo.java

@@ -0,0 +1,33 @@
+package com.design_pattern.structural.adapter;
+
+public class AdapterDesign_ObjectImpDemo implements SocketAdapter{
+
+	private Socket socket = new Socket();
+	
+	@Override
+	public Volt get120Volt() {
+		// TODO Auto-generated method stub
+		return socket.getVolts();
+	}
+
+	@Override
+	public Volt get12Volt() {
+		// TODO Auto-generated method stub
+		return convertVolt(socket.getVolts(), 12);
+	}
+
+	
+	@Override
+	public Volt get3Volt() {
+		// TODO Auto-generated method stub
+		return convertVolt(socket.getVolts(), 40);
+	}
+
+	
+	private Volt convertVolt(Volt volts, int i) {
+		// TODO Auto-generated method stub
+		return new Volt(volts.getVolts()/i);
+	}
+
+	
+}

src/com/design_pattern/structural/adapter/Socket.java

@@ -0,0 +1,9 @@
+package com.design_pattern.structural.adapter;
+
+public class Socket {
+	
+	public Volt getVolts(){
+		return new Volt(120);
+	}
+
+}

src/com/design_pattern/structural/adapter/SocketAdapter.java

@@ -0,0 +1,9 @@
+package com.design_pattern.structural.adapter;
+
+public interface SocketAdapter {
+
+	public abstract Volt get120Volt();
+	public abstract Volt get12Volt();
+	public abstract Volt get3Volt();
+	
+}

src/com/design_pattern/structural/adapter/Volt.java

@@ -0,0 +1,18 @@
+package com.design_pattern.structural.adapter;
+
+public class Volt {
+	
+	private int volts;
+	public Volt(int volt){
+		this.volts = volt;
+	}
+	
+	public int getVolts(){
+		return volts;
+	}
+	
+	public void setVolts(int volt){
+		this.volts = volt;
+	}
+
+}