Java Design patterns

Java Design Patterns/javadevjournal/design/creational/factory/ShapeFactory.java

@@ -0,0 +1,28 @@
+package javadevjournal.design.creational.factory;
+
+/**
+ * @author Kunwar
+ * Factory Pattern Implementation here
+ */
+public class ShapeFactory {
+   /**
+    * get the shapeType from caller and decide the correct implementation class
+    * @param shapeType
+    * @return
+    */
+   public Shape getShape(String shapeType){
+      if(shapeType == null){
+         return null;
+      }		
+      if(shapeType.equalsIgnoreCase("CIRCLE")){
+         return new Circle();
+         
+      } else if(shapeType.equalsIgnoreCase("RECTANGLE")){
+         return new Rectangle();
+         
+      } else if(shapeType.equalsIgnoreCase("SQUARE")){
+         return new Square();
+      }
+      return null;
+   }
+}