BAEL-639: Guide to Guava's EventBus Tests - corrected formatting

guava/src/test/java/org/baeldung/guava/CustomEvent.java

@@ -1,6 +1,5 @@
 package org.baeldung.guava;
 
-
 public class CustomEvent {
     private String action;
 

guava/src/test/java/org/baeldung/guava/EventBusWrapper.java

@@ -6,17 +6,16 @@ class EventBusWrapper {
 
     private static EventBus eventBus = new EventBus();
 
-    static void register(Object object){
+    static void register(Object object) {
         eventBus.register(object);
     }
 
-    static void unregister(Object object){
+    static void unregister(Object object) {
         eventBus.unregister(object);
     }
 
-    static void post(Object object){
+    static void post(Object object) {
         eventBus.post(object);
     }
 
-
 }

guava/src/test/java/org/baeldung/guava/EventListener.java

@@ -1,25 +1,23 @@
 package org.baeldung.guava;
+
 import com.google.common.eventbus.Subscribe;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class EventListener {
 
     private static int eventsHandled;
+    private static final Logger LOG = LoggerFactory.getLogger(EventListener.class);
 
-    /**
-     * Handles events of type String     *
-     */
     @Subscribe
-    public void stringEvent(String event){
-        System.out.println("do event ["+event+"]");
+    public void stringEvent(String event) {
+        LOG.info("do event [" + event + "]");
         eventsHandled++;
     }
 
-    /**
-     * Handles events of type CustomEvent
-     */
     @Subscribe
-    public void someEvent(CustomEvent customEvent){
-        System.out.println("do event ["+ customEvent.getAction()+"]");
+    public void someCustomEvent(CustomEvent customEvent) {
+        LOG.info("do event [" + customEvent.getAction() + "]");
         eventsHandled++;
     }
 
@@ -27,7 +25,7 @@ public class EventListener {
         return eventsHandled;
     }
 
-    public void resetEventsHandled(){
+    public void resetEventsHandled() {
         eventsHandled = 0;
     }
 }

guava/src/test/java/org/baeldung/guava/GuavaEventBusTest.java

@@ -10,32 +10,32 @@ public class GuavaEventBusTest {
     private EventListener listener;
 
     @Before
-    public void setUp() throws Exception {
+    public void setUp() {
         listener = new EventListener();
         EventBusWrapper.register(listener);
     }
 
     @After
-    public void tearDown() throws Exception {
+    public void tearDown() {
         EventBusWrapper.unregister(listener);
     }
 
     @Test
-    public void givenStringEvent_whenEventHandled_thenSuccess() throws Exception {
+    public void givenStringEvent_whenEventHandled_thenSuccess() {
         listener.resetEventsHandled();
 
         EventBusWrapper.post("String Event");
-        assertEquals(1,listener.getEventsHandled());
+        assertEquals(1, listener.getEventsHandled());
 
     }
 
     @Test
-    public void givenCustomEvent_whenEventHandled_thenSuccess() throws Exception {
+    public void givenCustomEvent_whenEventHandled_thenSuccess() {
         listener.resetEventsHandled();
 
         CustomEvent customEvent = new CustomEvent("Custom Event");
         EventBusWrapper.post(customEvent);
 
-        assertEquals(1,listener.getEventsHandled());
+        assertEquals(1, listener.getEventsHandled());
     }
 }