diff --git a/src/main/java/core/basesyntax/DiscountStrategy.java b/src/main/java/core/basesyntax/DiscountStrategy.java new file mode 100644 index 00000000..c7e05e9d --- /dev/null +++ b/src/main/java/core/basesyntax/DiscountStrategy.java @@ -0,0 +1,22 @@ +package core.basesyntax; + +import core.basesyntax.strategy.DiscountService; +import core.basesyntax.strategy.impl.BirthdayDiscountService; +import core.basesyntax.strategy.impl.BlackFridayDiscountService; +import core.basesyntax.strategy.impl.DefaultDiscountService; +import core.basesyntax.strategy.impl.NewYearDiscountService; + +public class DiscountStrategy { + public DiscountService getDiscountServiceBySpecialEvent(String specialEvent) { + switch (specialEvent) { + case "Birthday": + return new BirthdayDiscountService(); + case "New Year": + return new NewYearDiscountService(); + case "Black Friday": + return new BlackFridayDiscountService(); + default: + return new DefaultDiscountService(); + } + } +} diff --git a/src/main/java/core/basesyntax/HelloWorld.java b/src/main/java/core/basesyntax/HelloWorld.java index 97db782b..085251dd 100644 --- a/src/main/java/core/basesyntax/HelloWorld.java +++ b/src/main/java/core/basesyntax/HelloWorld.java @@ -1,8 +1,15 @@ package core.basesyntax; +import core.basesyntax.strategy.DiscountService; + /** * Feel free to remove this class and create your own. */ public class HelloWorld { - + public static void main(String[] args) { + DiscountStrategy strategy = new DiscountStrategy(); + DiscountService discountService = strategy.getDiscountServiceBySpecialEvent("Black Friday"); + double discount = discountService.getDiscount(); + System.out.println(discount); + } } diff --git a/src/main/java/core/basesyntax/strategy/DiscountService.java b/src/main/java/core/basesyntax/strategy/DiscountService.java new file mode 100644 index 00000000..492e1b37 --- /dev/null +++ b/src/main/java/core/basesyntax/strategy/DiscountService.java @@ -0,0 +1,5 @@ +package core.basesyntax.strategy; + +public interface DiscountService { + double getDiscount(); +} diff --git a/src/main/java/core/basesyntax/strategy/impl/BirthdayDiscountService.java b/src/main/java/core/basesyntax/strategy/impl/BirthdayDiscountService.java new file mode 100644 index 00000000..63f78c45 --- /dev/null +++ b/src/main/java/core/basesyntax/strategy/impl/BirthdayDiscountService.java @@ -0,0 +1,10 @@ +package core.basesyntax.strategy.impl; + +import core.basesyntax.strategy.DiscountService; + +public class BirthdayDiscountService implements DiscountService { + @Override + public double getDiscount() { + return 33; + } +} diff --git a/src/main/java/core/basesyntax/strategy/impl/BlackFridayDiscountService.java b/src/main/java/core/basesyntax/strategy/impl/BlackFridayDiscountService.java new file mode 100644 index 00000000..aff8bb60 --- /dev/null +++ b/src/main/java/core/basesyntax/strategy/impl/BlackFridayDiscountService.java @@ -0,0 +1,10 @@ +package core.basesyntax.strategy.impl; + +import core.basesyntax.strategy.DiscountService; + +public class BlackFridayDiscountService implements DiscountService { + @Override + public double getDiscount() { + return 45; + } +} diff --git a/src/main/java/core/basesyntax/strategy/impl/DefaultDiscountService.java b/src/main/java/core/basesyntax/strategy/impl/DefaultDiscountService.java new file mode 100644 index 00000000..9c3b522d --- /dev/null +++ b/src/main/java/core/basesyntax/strategy/impl/DefaultDiscountService.java @@ -0,0 +1,10 @@ +package core.basesyntax.strategy.impl; + +import core.basesyntax.strategy.DiscountService; + +public class DefaultDiscountService implements DiscountService { + @Override + public double getDiscount() { + return 0; + } +} diff --git a/src/main/java/core/basesyntax/strategy/impl/NewYearDiscountService.java b/src/main/java/core/basesyntax/strategy/impl/NewYearDiscountService.java new file mode 100644 index 00000000..e799547b --- /dev/null +++ b/src/main/java/core/basesyntax/strategy/impl/NewYearDiscountService.java @@ -0,0 +1,10 @@ +package core.basesyntax.strategy.impl; + +import core.basesyntax.strategy.DiscountService; + +public class NewYearDiscountService implements DiscountService { + @Override + public double getDiscount() { + return 20; + } +}