Decorator pattern: SmartTroll should be SmartHostile #264
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@ -8,7 +8,7 @@ package com.iluwatar.decorator;
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* runtime.
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* <p>
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* In this example we show how the simple {@link Troll} first attacks and then flees the battle.
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* Then we decorate the {@link Troll} with a {@link SmartTroll} and perform the attack again. You
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* Then we decorate the {@link Troll} with a {@link SmartHostile} and perform the attack again. You
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* can see how the behavior changes after the decoration.
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*
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*/
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@ -30,7 +30,7 @@ public class App {
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// change the behavior of the simple troll by adding a decorator
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System.out.println("\nA smart looking troll surprises you.");
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Hostile smart = new SmartTroll(troll);
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Hostile smart = new SmartHostile(troll);
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smart.attack();
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smart.fleeBattle();
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System.out.printf("Smart troll power %d.\n", smart.getAttackPower());
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@ -1,34 +1,34 @@
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package com.iluwatar.decorator;
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/**
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* SmartTroll is a decorator for {@link Hostile} objects. The calls to the {@link Hostile} interface
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* SmartHostile is a decorator for {@link Hostile} objects. The calls to the {@link Hostile} interface
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* are intercepted and decorated. Finally the calls are delegated to the decorated {@link Hostile}
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* object.
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*
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*/
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public class SmartTroll implements Hostile {
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public class SmartHostile implements Hostile {
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private Hostile decorated;
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public SmartTroll(Hostile decorated) {
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public SmartHostile(Hostile decorated) {
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this.decorated = decorated;
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}
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@Override
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public void attack() {
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System.out.println("The troll throws a rock at you!");
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System.out.println("It throws a rock at you!");
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decorated.attack();
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}
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@Override
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public int getAttackPower() {
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// decorated troll power + 20 because it is smart
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// decorated hostile's power + 20 because it is smart
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return decorated.getAttackPower() + 20;
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}
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@Override
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public void fleeBattle() {
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System.out.println("The troll calls for help!");
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System.out.println("It calls for help!");
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decorated.fleeBattle();
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}
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}
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@ -11,7 +11,7 @@ import static org.mockito.internal.verification.VerificationModeFactory.times;
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*
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* @author Jeroen Meulemeester
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*/
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public class SmartTrollTest {
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public class SmartHostileTest {
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@Test
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public void testSmartTroll() throws Exception {
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@ -19,7 +19,7 @@ public class SmartTrollTest {
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final Hostile simpleTroll = spy(new Troll());
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// Now we want to decorate the troll to make it smarter ...
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final Hostile smartTroll = new SmartTroll(simpleTroll);
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final Hostile smartTroll = new SmartHostile(simpleTroll);
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assertEquals(30, smartTroll.getAttackPower());
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verify(simpleTroll, times(1)).getAttackPower();
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