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Update App.java

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kapinuss 2017-05-18 19:13:09 +03:00 committed by GitHub
parent 2b229d8ea1
commit 09aa44ddcb
1 changed files with 17 additions and 19 deletions
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36
dependency-injection/src/main/java/com/iluwatar/dependency/injection/App.java
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@ -26,7 +26,6 @@ import com.google.inject.Guice;
import com.google.inject.Injector; import com.google.inject.Injector;
/** /**
*
* Dependency Injection pattern deals with how objects handle their dependencies. The pattern * Dependency Injection pattern deals with how objects handle their dependencies. The pattern
* implements so called inversion of control principle. Inversion of control has two specific rules: * implements so called inversion of control principle. Inversion of control has two specific rules:
* - High-level modules should not depend on low-level modules. Both should depend on abstractions. * - High-level modules should not depend on low-level modules. Both should depend on abstractions.
@ -45,28 +44,27 @@ import com.google.inject.Injector;
* The fourth example takes the pattern a step further. It uses Guice framework for Dependency * The fourth example takes the pattern a step further. It uses Guice framework for Dependency
* Injection. {@link TobaccoModule} binds a concrete implementation to abstraction. Injector is then * Injection. {@link TobaccoModule} binds a concrete implementation to abstraction. Injector is then
* used to create {@link GuiceWizard} object with correct dependencies. * used to create {@link GuiceWizard} object with correct dependencies.
*
*/ */
public class App { public class App {
/** /**
* Program entry point * Program entry point
* *
* @param args command line args * @param args command line args
*/ */
public static void main(String[] args) { public static void main(String[] args) {
SimpleWizard simpleWizard = new SimpleWizard(); SimpleWizard simpleWizard = new SimpleWizard();
simpleWizard.smoke(); simpleWizard.smoke();
AdvancedWizard advancedWizard = new AdvancedWizard(new SecondBreakfastTobacco()); AdvancedWizard advancedWizard = new AdvancedWizard(new SecondBreakfastTobacco());
advancedWizard.smoke(); advancedWizard.smoke();
AdvancedSorceress advancedSorceress = new AdvancedSorceress(); AdvancedSorceress advancedSorceress = new AdvancedSorceress();
advancedSorceress.setTobacco(new SecondBreakfastTobacco()); advancedSorceress.setTobacco(new SecondBreakfastTobacco());
advancedSorceress.smoke(); advancedSorceress.smoke();
Injector injector = Guice.createInjector(new TobaccoModule()); Injector injector = Guice.createInjector(new TobaccoModule());
GuiceWizard guiceWizard = injector.getInstance(GuiceWizard.class); GuiceWizard guiceWizard = injector.getInstance(GuiceWizard.class);
guiceWizard.smoke(); guiceWizard.smoke();
} }
} }