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sonar fix: Update App.java (#1898)

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Harshal 2021-10-31 12:38:49 +05:30 committed by GitHub
parent 72bb189dc0
commit 22ddd57146
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1 changed files with 13 additions and 9 deletions
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strategy/src/main/java/com/iluwatar/strategy/App.java
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@ -41,6 +41,10 @@ import lombok.extern.slf4j.Slf4j;
@Slf4j
public class App {
private static final String RED_DRAGON_EMERGES = "Red dragon emerges.";
private static final String GREEN_DRAGON_SPOTTED = "Green dragon spotted ahead!";
private static final String BLACK_DRAGON_LANDS = "Black dragon lands before you.";
/**
* Program entry point.
*
@ -48,38 +52,38 @@ public class App {
*/
public static void main(String[] args) {
// GoF Strategy pattern
LOGGER.info("Green dragon spotted ahead!");
LOGGER.info(GREEN_DRAGON_SPOTTED);
var dragonSlayer = new DragonSlayer(new MeleeStrategy());
dragonSlayer.goToBattle();
LOGGER.info("Red dragon emerges.");
LOGGER.info(RED_DRAGON_EMERGES);
dragonSlayer.changeStrategy(new ProjectileStrategy());
dragonSlayer.goToBattle();
LOGGER.info("Black dragon lands before you.");
LOGGER.info(BLACK_DRAGON_LANDS);
dragonSlayer.changeStrategy(new SpellStrategy());
dragonSlayer.goToBattle();
// Java 8 functional implementation Strategy pattern
LOGGER.info("Green dragon spotted ahead!");
LOGGER.info(GREEN_DRAGON_SPOTTED);
dragonSlayer = new DragonSlayer(
() -> LOGGER.info("With your Excalibur you severe the dragon's head!"));
dragonSlayer.goToBattle();
LOGGER.info("Red dragon emerges.");
LOGGER.info(RED_DRAGON_EMERGES);
dragonSlayer.changeStrategy(() -> LOGGER.info(
"You shoot the dragon with the magical crossbow and it falls dead on the ground!"));
dragonSlayer.goToBattle();
LOGGER.info("Black dragon lands before you.");
LOGGER.info(BLACK_DRAGON_LANDS);
dragonSlayer.changeStrategy(() -> LOGGER.info(
"You cast the spell of disintegration and the dragon vaporizes in a pile of dust!"));
dragonSlayer.goToBattle();
// Java 8 lambda implementation with enum Strategy pattern
LOGGER.info("Green dragon spotted ahead!");
LOGGER.info(GREEN_DRAGON_SPOTTED);
dragonSlayer.changeStrategy(LambdaStrategy.Strategy.MeleeStrategy);
dragonSlayer.goToBattle();
LOGGER.info("Red dragon emerges.");
LOGGER.info(RED_DRAGON_EMERGES);
dragonSlayer.changeStrategy(LambdaStrategy.Strategy.ProjectileStrategy);
dragonSlayer.goToBattle();
LOGGER.info("Black dragon lands before you.");
LOGGER.info(BLACK_DRAGON_LANDS);
dragonSlayer.changeStrategy(LambdaStrategy.Strategy.SpellStrategy);
dragonSlayer.goToBattle();
}