Reformat Code According to Google Style Guide #224

observer/src/main/java/com/iluwatar/observer/App.java

@@ -6,45 +6,44 @@
 
 /**
  * 
- * The Observer pattern is a software design pattern in which an object, called 
- * the subject, maintains a list of its dependents, called observers, and notifies 
- * them automatically of any state changes, usually by calling one of their methods. 
- * It is mainly used to implement distributed event handling systems. The Observer 
- * pattern is also a key part in the familiar model–view–controller (MVC) architectural 
- * pattern. The Observer pattern is implemented in numerous programming libraries and 
- * systems, including almost all GUI toolkits.
+ * The Observer pattern is a software design pattern in which an object, called the subject,
+ * maintains a list of its dependents, called observers, and notifies them automatically of any
+ * state changes, usually by calling one of their methods. It is mainly used to implement
+ * distributed event handling systems. The Observer pattern is also a key part in the familiar
+ * model–view–controller (MVC) architectural pattern. The Observer pattern is implemented in
+ * numerous programming libraries and systems, including almost all GUI toolkits.
  * <p>
- * In this example {@link Weather} has a state that can be observed. The {@link Orcs}
- * and {@link Hobbits} register as observers and receive notifications when the
- * {@link Weather} changes.
+ * In this example {@link Weather} has a state that can be observed. The {@link Orcs} and
+ * {@link Hobbits} register as observers and receive notifications when the {@link Weather} changes.
  * 
  */
 public class App {
 
-	/**
-	 * Program entry point
-	 * @param args command line args
-	 */
-	public static void main(String[] args) {
+  /**
+   * Program entry point
+   * 
+   * @param args command line args
+   */
+  public static void main(String[] args) {
 
-		Weather weather = new Weather();
-		weather.addObserver(new Orcs());
-		weather.addObserver(new Hobbits());
+    Weather weather = new Weather();
+    weather.addObserver(new Orcs());
+    weather.addObserver(new Hobbits());
 
-		weather.timePasses();
-		weather.timePasses();
-		weather.timePasses();
-		weather.timePasses();
+    weather.timePasses();
+    weather.timePasses();
+    weather.timePasses();
+    weather.timePasses();
 
-		// Generic observer inspired by Java Generics and Collection by Naftalin & Wadler
-		System.out.println("\n--Running generic version--");
-		GWeather gWeather = new GWeather();
-		gWeather.addObserver(new GOrcs());
-		gWeather.addObserver(new GHobbits());
+    // Generic observer inspired by Java Generics and Collection by Naftalin & Wadler
+    System.out.println("\n--Running generic version--");
+    GWeather gWeather = new GWeather();
+    gWeather.addObserver(new GOrcs());
+    gWeather.addObserver(new GHobbits());
 
-		gWeather.timePasses();
-		gWeather.timePasses();
-		gWeather.timePasses();
-		gWeather.timePasses();
-	}
+    gWeather.timePasses();
+    gWeather.timePasses();
+    gWeather.timePasses();
+    gWeather.timePasses();
+  }
 }

observer/src/main/java/com/iluwatar/observer/Hobbits.java

@@ -7,24 +7,23 @@
  */
 public class Hobbits implements WeatherObserver {
 
-	@Override
-	public void update(WeatherType currentWeather) {
-		switch (currentWeather) {
-		case COLD:
-			System.out.println("The hobbits are shivering in the cold weather.");
-			break;
-		case RAINY:
-			System.out.println("The hobbits look for cover from the rain.");
-			break;
-		case SUNNY:
-			System.out.println("The happy hobbits bade in the warm sun.");
-			break;
-		case WINDY:
-			System.out.println("The hobbits hold their hats tightly in the windy weather.");
-			break;
-		default:
-			break;
-		}
-	}
-
+  @Override
+  public void update(WeatherType currentWeather) {
+    switch (currentWeather) {
+      case COLD:
+        System.out.println("The hobbits are shivering in the cold weather.");
+        break;
+      case RAINY:
+        System.out.println("The hobbits look for cover from the rain.");
+        break;
+      case SUNNY:
+        System.out.println("The happy hobbits bade in the warm sun.");
+        break;
+      case WINDY:
+        System.out.println("The hobbits hold their hats tightly in the windy weather.");
+        break;
+      default:
+        break;
+    }
+  }
 }

observer/src/main/java/com/iluwatar/observer/Orcs.java

@@ -7,24 +7,23 @@
  */
 public class Orcs implements WeatherObserver {
 
-	@Override
-	public void update(WeatherType currentWeather) {
-		switch (currentWeather) {
-		case COLD:
-			System.out.println("The orcs are freezing cold.");
-			break;
-		case RAINY:
-			System.out.println("The orcs are dripping wet.");
-			break;
-		case SUNNY:
-			System.out.println("The sun hurts the orcs' eyes.");
-			break;
-		case WINDY:
-			System.out.println("The orc smell almost vanishes in the wind.");
-			break;
-		default:
-			break;
-		}
-	}
-
+  @Override
+  public void update(WeatherType currentWeather) {
+    switch (currentWeather) {
+      case COLD:
+        System.out.println("The orcs are freezing cold.");
+        break;
+      case RAINY:
+        System.out.println("The orcs are dripping wet.");
+        break;
+      case SUNNY:
+        System.out.println("The sun hurts the orcs' eyes.");
+        break;
+      case WINDY:
+        System.out.println("The orc smell almost vanishes in the wind.");
+        break;
+      default:
+        break;
+    }
+  }
 }

observer/src/main/java/com/iluwatar/observer/Weather.java

@@ -5,38 +5,38 @@
 
 /**
  * 
- * Weather can be observed by implementing {@link WeatherObserver} interface and
- * registering as listener.
+ * Weather can be observed by implementing {@link WeatherObserver} interface and registering as
+ * listener.
  * 
  */
 public class Weather {
 
-	private WeatherType currentWeather;
-	private List<WeatherObserver> observers;
-
-	public Weather() {
-		observers = new ArrayList<>();
-		currentWeather = WeatherType.SUNNY;
-	}
-
-	public void addObserver(WeatherObserver obs) {
-		observers.add(obs);
-	}
-
-	public void removeObserver(WeatherObserver obs) {
-		observers.remove(obs);
-	}
-
-	public void timePasses() {
-		WeatherType[] enumValues = WeatherType.values();
-		currentWeather = enumValues[(currentWeather.ordinal() + 1) % enumValues.length];
-		System.out.println("The weather changed to " + currentWeather + ".");
-		notifyObservers();
-	}
-
-	private void notifyObservers() {
-		for (WeatherObserver obs : observers) {
-			obs.update(currentWeather);
-		}
-	}
+  private WeatherType currentWeather;
+  private List<WeatherObserver> observers;
+
+  public Weather() {
+    observers = new ArrayList<>();
+    currentWeather = WeatherType.SUNNY;
+  }
+
+  public void addObserver(WeatherObserver obs) {
+    observers.add(obs);
+  }
+
+  public void removeObserver(WeatherObserver obs) {
+    observers.remove(obs);
+  }
+
+  public void timePasses() {
+    WeatherType[] enumValues = WeatherType.values();
+    currentWeather = enumValues[(currentWeather.ordinal() + 1) % enumValues.length];
+    System.out.println("The weather changed to " + currentWeather + ".");
+    notifyObservers();
+  }
+
+  private void notifyObservers() {
+    for (WeatherObserver obs : observers) {
+      obs.update(currentWeather);
+    }
+  }
 }

observer/src/main/java/com/iluwatar/observer/WeatherObserver.java

@@ -7,6 +7,6 @@
  */
 public interface WeatherObserver {
 
-	void update(WeatherType currentWeather);
+  void update(WeatherType currentWeather);
 
 }

observer/src/main/java/com/iluwatar/observer/WeatherType.java

@@ -7,11 +7,10 @@
  */
 public enum WeatherType {
 
-	SUNNY, RAINY, WINDY, COLD;
-
-	@Override
-	public String toString() {
-		return this.name().toLowerCase();
-	}
+  SUNNY, RAINY, WINDY, COLD;
 
+  @Override
+  public String toString() {
+    return this.name().toLowerCase();
+  }
 }

observer/src/main/java/com/iluwatar/observer/generic/GHobbits.java

@@ -8,23 +8,23 @@
  *
  */
 public class GHobbits implements Race {
-    @Override
-    public void update(GWeather weather, WeatherType weatherType) {
-        switch (weatherType) {
-            case COLD:
-                System.out.println("The hobbits are shivering in the cold weather.");
-                break;
-            case RAINY:
-                System.out.println("The hobbits look for cover from the rain.");
-                break;
-            case SUNNY:
-                System.out.println("The happy hobbits bade in the warm sun.");
-                break;
-            case WINDY:
-                System.out.println("The hobbits hold their hats tightly in the windy weather.");
-                break;
-            default:
-                break;
-        }
+  @Override
+  public void update(GWeather weather, WeatherType weatherType) {
+    switch (weatherType) {
+      case COLD:
+        System.out.println("The hobbits are shivering in the cold weather.");
+        break;
+      case RAINY:
+        System.out.println("The hobbits look for cover from the rain.");
+        break;
+      case SUNNY:
+        System.out.println("The happy hobbits bade in the warm sun.");
+        break;
+      case WINDY:
+        System.out.println("The hobbits hold their hats tightly in the windy weather.");
+        break;
+      default:
+        break;
     }
+  }
 }

observer/src/main/java/com/iluwatar/observer/generic/GOrcs.java

@@ -8,24 +8,24 @@
  *
  */
 public class GOrcs implements Race {
-
-    @Override
-    public void update(GWeather weather, WeatherType weatherType) {
-        switch (weatherType) {
-            case COLD:
-                System.out.println("The orcs are freezing cold.");
-                break;
-            case RAINY:
-                System.out.println("The orcs are dripping wet.");
-                break;
-            case SUNNY:
-                System.out.println("The sun hurts the orcs' eyes.");
-                break;
-            case WINDY:
-                System.out.println("The orc smell almost vanishes in the wind.");
-                break;
-            default:
-                break;
-        }
+
+  @Override
+  public void update(GWeather weather, WeatherType weatherType) {
+    switch (weatherType) {
+      case COLD:
+        System.out.println("The orcs are freezing cold.");
+        break;
+      case RAINY:
+        System.out.println("The orcs are dripping wet.");
+        break;
+      case SUNNY:
+        System.out.println("The sun hurts the orcs' eyes.");
+        break;
+      case WINDY:
+        System.out.println("The orc smell almost vanishes in the wind.");
+        break;
+      default:
+        break;
     }
+  }
 }

observer/src/main/java/com/iluwatar/observer/generic/GWeather.java

@@ -9,16 +9,16 @@
  */
 public class GWeather extends Observable<GWeather, Race, WeatherType> {
 
-    private WeatherType currentWeather;
+  private WeatherType currentWeather;
 
-    public GWeather() {
-        currentWeather = WeatherType.SUNNY;
-    }
+  public GWeather() {
+    currentWeather = WeatherType.SUNNY;
+  }
 
-    public void timePasses() {
-        WeatherType[] enumValues = WeatherType.values();
-        currentWeather = enumValues[(currentWeather.ordinal() + 1) % enumValues.length];
-        System.out.println("The weather changed to " + currentWeather + ".");
-        notifyObservers(currentWeather);
-    }
+  public void timePasses() {
+    WeatherType[] enumValues = WeatherType.values();
+    currentWeather = enumValues[(currentWeather.ordinal() + 1) % enumValues.length];
+    System.out.println("The weather changed to " + currentWeather + ".");
+    notifyObservers(currentWeather);
+  }
 }