Transportation Factory Design Pattern

transport.java

//abstract product
abstract class Transport {

         protected String cargo;
         protected String destination;

         public void setCargo(String cargo) {

               this.cargo = cargo;
         }

         public void setDestination(String destination) {

               this.destination = destination;
         }

         public abstract void deliver();
}

//concret Pruducts
class Truck extends Transport {

       @Override
       public void deliver() {

          System.out.println("Delivering " + cargo + "by land to " + destination);
          System.out.println("Using trucks for road transportation");
       }
}

class Ship extends Transport {

       @Override
       public void deliver() {

         System.out.println("Delivering " + cargo + "by sea to " + destination);
         System.out.println("Using cargo ships for maritime transportation");
       }

}

class Airplane extends Transport {

       @Override
       public void deliver() {

              System.out.println("Delivering " + cargo + "by air to " + destination);
              System.out.println("Using cargo planes for air transportation");
       }
}

//abstract Creator
abstract class LogisticsFactory {


        //factory method
        public abstract Transport createTransport();

        public Transport planDelivery(String cargo, String destination) {

                Transport transport = createTransport();
                transport.setCargo(cargo);
                transport.setDestination(destination);

                return transport;
        }
}

//concret creators

class RoadLogistics extends LogisticsFactory {

        @Override
        public Transport createTransport() {
              return new Truck();
        }
}


class SeaLogistics extends LogisticsFactory {

        @Override
        public Transport createTransport() {
              return new Ship();
        }
}


class AirLogistics extends LogisticsFactory {

        @Override
        public Transport createTransport() {
              return new Airplane();
        }
}

//client code
public class LogisticsApplication {


       public static void main(String[] args) {

              //create a road Delivery
              LogisticsFactory roadLogistics = new RoadLogistics();
              Transport truck = roadLogistics.planDelivery("Furniture","Local Warehouse");
              truck.deliver();


              LogisticsFactory seaLogistics = new SeaLogistics();
              Transport ship = seaLogistics.planDelivery("Electronics","California");
              ship.deliver();

              LogisticsFactory airLogistics = new AirLogistics();
              Transport plane = airLogistics.planDelivery("Medical Supplies","Emergency Relief Center");
              plane.deliver();

       }
}