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Package naming corrections and cleanup.

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This commit is contained in:
Ilkka Seppala
2015-09-18 19:59:52 +03:00
parent 570a30099e
commit dd0fcea090
20 changed files with 33 additions and 284 deletions
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29
model-view-controller/src/main/java/com/iluwatar/model/view/controller/with/observer/App.java
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@@ -1,29 +0,0 @@
package com.iluwatar.model.view.controller.with.observer;
/**
*
* In this second example the model-view relationship is different. This time we use the Observer pattern to notify
* the {@link GiantView} each time the {@link GiantModel} is changed. This way the {@link GiantController} responsibilities
* are narrowed and it only needs to modify the {@link GiantModel} according to the user input.
*
*/
public class App {
/**
* Program entry point
* @param args command line args
*/
public static void main( String[] args ) {
// create model, view and controller
GiantModel giant = new GiantModel(Health.HEALTHY, Fatigue.ALERT, Nourishment.SATURATED);
GiantView view = new GiantView();
GiantController controller = new GiantController(giant, view);
// initial display
controller.updateView();
// controller receives some interactions that affect the giant
// model modifications trigger the view rendering automatically
controller.setHealth(Health.WOUNDED);
controller.setNourishment(Nourishment.HUNGRY);
controller.setFatigue(Fatigue.TIRED);
}
}

22
model-view-controller/src/main/java/com/iluwatar/model/view/controller/with/observer/Fatigue.java
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package com.iluwatar.model.view.controller.with.observer;
/**
*
* Fatigue enumeration
*
*/
public enum Fatigue {
ALERT("alert"), TIRED("tired"), SLEEPING("sleeping");
private String title;
Fatigue(String title) {
this.title = title;
}
@Override
public String toString() {
return title;
}
}

46
model-view-controller/src/main/java/com/iluwatar/model/view/controller/with/observer/GiantController.java
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package com.iluwatar.model.view.controller.with.observer;
/**
*
* GiantController updates the giant model.
*
*/
public class GiantController {
private GiantModel giant;
private GiantView view;
public GiantController(GiantModel giant, GiantView view) {
this.giant = giant;
this.view = view;
this.giant.registerObserver(this.view);
}
public Health getHealth() {
return giant.getHealth();
}
public void setHealth(Health health) {
this.giant.setHealth(health);
}
public Fatigue getFatigue() {
return giant.getFatigue();
}
public void setFatigue(Fatigue fatigue) {
this.giant.setFatigue(fatigue);
}
public Nourishment getNourishment() {
return giant.getNourishment();
}
public void setNourishment(Nourishment nourishment) {
this.giant.setNourishment(nourishment);
}
public void updateView() {
this.view.displayGiant(giant);
}
}

63
model-view-controller/src/main/java/com/iluwatar/model/view/controller/with/observer/GiantModel.java
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package com.iluwatar.model.view.controller.with.observer;
import java.util.ArrayList;
import java.util.List;
/**
*
* GiantModel contains the giant data.
*
*/
public class GiantModel {
private Health health;
private Fatigue fatigue;
private Nourishment nourishment;
private List<GiantModelObserver> observers = new ArrayList<>();
GiantModel(Health health, Fatigue fatigue, Nourishment nourishment) {
this.health = health;
this.fatigue = fatigue;
this.nourishment = nourishment;
}
public Health getHealth() {
return health;
}
public void setHealth(Health health) {
this.health = health;
notifyObservers();
}
public Fatigue getFatigue() {
return fatigue;
}
public void setFatigue(Fatigue fatigue) {
this.fatigue = fatigue;
notifyObservers();
}
public Nourishment getNourishment() {
return nourishment;
}
public void setNourishment(Nourishment nourishment) {
this.nourishment = nourishment;
notifyObservers();
}
@Override
public String toString() {
return String.format("The giant looks %s, %s and %s.", health, fatigue, nourishment);
}
public void registerObserver(GiantModelObserver observer) {
observers.add(observer);
}
private void notifyObservers() {
observers.stream().forEach((GiantModelObserver o) -> o.modelChanged(this));
}
}

12
model-view-controller/src/main/java/com/iluwatar/model/view/controller/with/observer/GiantModelObserver.java
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@@ -1,12 +0,0 @@
package com.iluwatar.model.view.controller.with.observer;
/**
*
* GiantModelObserver is the interface for delivering update notifications.
*
*/
public interface GiantModelObserver {
void modelChanged(GiantModel model);
}

18
model-view-controller/src/main/java/com/iluwatar/model/view/controller/with/observer/GiantView.java
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package com.iluwatar.model.view.controller.with.observer;
/**
*
* GiantView displays the giant
*
*/
public class GiantView implements GiantModelObserver {
public void displayGiant(GiantModel giant) {
System.out.println(giant);
}
@Override
public void modelChanged(GiantModel model) {
displayGiant(model);
}
}

22
model-view-controller/src/main/java/com/iluwatar/model/view/controller/with/observer/Health.java
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package com.iluwatar.model.view.controller.with.observer;
/**
*
* Health enumeration
*
*/
public enum Health {
HEALTHY("healthy"), WOUNDED("wounded"), DEAD("dead");
private String title;
Health(String title) {
this.title = title;
}
@Override
public String toString() {
return title;
}
}

22
model-view-controller/src/main/java/com/iluwatar/model/view/controller/with/observer/Nourishment.java
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package com.iluwatar.model.view.controller.with.observer;
/**
*
* Nourishment enumeration
*
*/
public enum Nourishment {
SATURATED("saturated"), HUNGRY("hungry"), STARVING("starving");
private String title;
Nourishment(String title) {
this.title = title;
}
@Override
public String toString() {
return title;
}
}

19
model-view-controller/src/test/java/com/iluwatar/model/view/controller/with/observer/AppTest.java
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package com.iluwatar.model.view.controller.with.observer;
import org.junit.Test;
import com.iluwatar.model.view.controller.with.observer.App;
/**
*
* Application test
*
*/
public class AppTest {
@Test
public void test() {
String[] args = {};
App.main(args);
}
}