add design pattern

Author: codingWang

src/com/baidu/PrintAB.java

@@ -6,7 +6,7 @@ public static void main(String[] args) {
 	}
 
 	/**
-	 * 这个解法自己想的有点弱智了！
+	 * 这个解法自己想的有点弱智了！
 	 */
 //	public void printAB(){
 //		if(new PrintAB(){
@@ -22,7 +22,7 @@ public static void main(String[] args) {
 //	}
 
 	/**
-	 * 借鉴的解法
+	 * 借鉴的解法
 	 */
 	public void printAB(){
 		if(System.out.append("a")==null){

src/com/duwei/designpattern/absfactory/AbstractFactory.java

@@ -0,0 +1,6 @@
+package com.duwei.designpattern.absfactory;
+
+public abstract class AbstractFactory {
+    public abstract Color getColor(String color);
+    public abstract Shape getShape(String shape) ;
+}

src/com/duwei/designpattern/absfactory/AbstractFactoryPatternDemo.java

@@ -0,0 +1,48 @@
+package com.duwei.designpattern.absfactory;
+
+public class AbstractFactoryPatternDemo {
+    public static void main(String[] args) {
+
+        //获取形状工厂
+        AbstractFactory shapeFactory = FactoryProducer.getFactory("SHAPE");
+
+        //获取形状为 Circle 的对象
+        Shape shape1 = shapeFactory.getShape("CIRCLE");
+
+        //调用 Circle 的 draw 方法
+        shape1.draw();
+
+        //获取形状为 Rectangle 的对象
+        Shape shape2 = shapeFactory.getShape("RECTANGLE");
+
+        //调用 Rectangle 的 draw 方法
+        shape2.draw();
+
+        //获取形状为 Square 的对象
+        Shape shape3 = shapeFactory.getShape("SQUARE");
+
+        //调用 Square 的 draw 方法
+        shape3.draw();
+
+        //获取颜色工厂
+        AbstractFactory colorFactory = FactoryProducer.getFactory("COLOR");
+
+        //获取颜色为 Red 的对象
+        Color color1 = colorFactory.getColor("RED");
+
+        //调用 Red 的 fill 方法
+        color1.fill();
+
+        //获取颜色为 Green 的对象
+        Color color2 = colorFactory.getColor("Green");
+
+        //调用 Green 的 fill 方法
+        color2.fill();
+
+        //获取颜色为 Blue 的对象
+        Color color3 = colorFactory.getColor("BLUE");
+
+        //调用 Blue 的 fill 方法
+        color3.fill();
+    }
+}

src/com/duwei/designpattern/absfactory/Blue.java

@@ -0,0 +1,9 @@
+package com.duwei.designpattern.absfactory;
+
+public class Blue implements Color {
+
+    @Override
+    public void fill() {
+        System.out.println("Inside Blue::fill() method.");
+    }
+}

src/com/duwei/designpattern/absfactory/Circle.java

@@ -0,0 +1,9 @@
+package com.duwei.designpattern.absfactory;
+
+public class Circle implements Shape {
+
+    @Override
+    public void draw() {
+        System.out.println("Inside Circle::draw() method.");
+    }
+}

src/com/duwei/designpattern/absfactory/Color.java

@@ -0,0 +1,5 @@
+package com.duwei.designpattern.absfactory;
+
+public interface Color {
+    void fill();
+}

src/com/duwei/designpattern/absfactory/ColorFactory.java

@@ -0,0 +1,24 @@
+package com.duwei.designpattern.absfactory;
+
+public class ColorFactory extends AbstractFactory {
+
+    @Override
+    public Shape getShape(String shapeType){
+        return null;
+    }
+
+    @Override
+    public Color getColor(String color) {
+        if(color == null){
+            return null;
+        }
+        if(color.equalsIgnoreCase("RED")){
+            return new Red();
+        } else if(color.equalsIgnoreCase("GREEN")){
+            return new Green();
+        } else if(color.equalsIgnoreCase("BLUE")){
+            return new Blue();
+        }
+        return null;
+    }
+}

src/com/duwei/designpattern/absfactory/FactoryProducer.java

@@ -0,0 +1,12 @@
+package com.duwei.designpattern.absfactory;
+
+public class FactoryProducer {
+    public static AbstractFactory getFactory(String choice){
+        if(choice.equalsIgnoreCase("SHAPE")){
+            return new ShapeFactory();
+        } else if(choice.equalsIgnoreCase("COLOR")){
+            return new ColorFactory();
+        }
+        return null;
+    }
+}

src/com/duwei/designpattern/absfactory/Green.java

@@ -0,0 +1,9 @@
+package com.duwei.designpattern.absfactory;
+
+public class Green implements Color {
+
+    @Override
+    public void fill() {
+        System.out.println("Inside Green::fill() method.");
+    }
+}

src/com/duwei/designpattern/absfactory/Rectangle.java

@@ -0,0 +1,9 @@
+package com.duwei.designpattern.absfactory;
+
+public class Rectangle implements Shape {
+
+    @Override
+    public void draw() {
+        System.out.println("Inside Rectangle::draw() method.");
+    }
+}