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add factory of factories

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This commit is contained in:
Tschis 2017-11-07 21:05:04 -03:00
parent 390c33e36e
commit d37922bf82
2 changed files with 36 additions and 8 deletions
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37
abstract-factory/src/main/java/com/iluwatar/abstractfactory/App.java
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@ -25,6 +25,8 @@ package com.iluwatar.abstractfactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.iluwatar.abstractfactory.App.FactoryMaker.KingdomType;
/**
*
* The Abstract Factory pattern provides a way to encapsulate a group of individual factories that have a common theme
@ -56,7 +58,7 @@ public class App {
setCastle(factory.createCastle());
setArmy(factory.createArmy());
}
King getKing(final KingdomFactory factory) {
return factory.createKing();
}
@ -92,6 +94,31 @@ public class App {
private void setArmy(final Army army) {
this.army = army;
}
/**
* The factory of kingdom factories.
*/
public static class FactoryMaker {
private FactoryMaker() {}
public enum KingdomType {
ELF,
ORC
}
public static KingdomFactory makeFactory(KingdomType type) {
switch (type) {
case ELF:
return new ElfKingdomFactory();
case ORC:
return new OrcKingdomFactory();
default:
throw new IllegalArgumentException("KingdomType not supported.");
}
}
}
/**
* Program entry point
@ -104,17 +131,15 @@ public class App {
App app = new App();
LOGGER.info("Elf Kingdom");
app.createKingdom(new ElfKingdomFactory());
app.createKingdom(FactoryMaker.makeFactory(KingdomType.ELF));
LOGGER.info(app.getArmy().getDescription());
LOGGER.info(app.getCastle().getDescription());
LOGGER.info(app.getKing().getDescription());
LOGGER.info("Orc Kingdom");
app.createKingdom(new OrcKingdomFactory());
app.createKingdom(FactoryMaker.makeFactory(KingdomType.ORC));
LOGGER.info(app.getArmy().getDescription());
LOGGER.info(app.getCastle().getDescription());
LOGGER.info(app.getKing().getDescription());
}
}
}

7
abstract-factory/src/test/java/com/iluwatar/abstractfactory/AbstractFactoryTest.java
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@ -28,6 +28,9 @@ import static org.junit.Assert.assertTrue;
import org.junit.Before;
import org.junit.Test;
import com.iluwatar.abstractfactory.App.FactoryMaker;
import com.iluwatar.abstractfactory.App.FactoryMaker.KingdomType;
/**
* Test for abstract factory
*/
@ -39,8 +42,8 @@ public class AbstractFactoryTest {
@Before
public void setUp() {
elfFactory = new ElfKingdomFactory();
orcFactory = new OrcKingdomFactory();
elfFactory = FactoryMaker.makeFactory(KingdomType.ELF);
orcFactory = FactoryMaker.makeFactory(KingdomType.ORC);
}
@Test