General code cleanup and improvements (#57)

* style(api): small codestyle improvements and QoL updates

* style: reformat code using IntelliJ's code refactoring tool

sonar-api/src/main/java/xyz/jonesdev/sonar/api/Sonar.java

@@ -57,6 +57,7 @@ public interface Sonar {
   /**
    * Set a custom verbose handler
    */
+  @SuppressWarnings("unused")
   void setVerboseHandler(final @NotNull Verbose verboseHandler);
 
   /**
@@ -65,19 +66,19 @@ public interface Sonar {
   void reload();
 
   @NotNull
-  default SonarEventManager getEventManager() {
-    return SonarEventManager.INSTANCE;
+  default SonarVersion getVersion() {
+    return SonarVersion.GET;
   }
 
   @NotNull
-  default SonarVersion getVersion() {
-    return SonarVersion.GET;
+  default SonarEventManager getEventManager() {
+    // We don't want anyone else to create a new instance.
+    return SonarEventManager.INSTANCE;
   }
 
   @NotNull
   default Fallback getFallback() {
-    // We only have one single instance of Fallback,
-    // and we don't want anyone else to create a new instance.
+    // We don't want anyone else to create a new instance.
     return Fallback.INSTANCE;
   }
 

sonar-api/src/main/java/xyz/jonesdev/sonar/api/config/SonarConfiguration.java

@@ -623,7 +623,8 @@ public void load() {
       ))));
 
     messagesConfig.getYaml().setComment("messages.verification.too-many-online-per-ip",
-      "Disconnect message that is shown when someone joins but there are too many online players with their IP address");
+      "Disconnect message that is shown when someone joins but there are too many online players with their IP " +
+        "address");
     tooManyOnlinePerIp = deserialize(fromList(messagesConfig.getStringList("messages.too-many-online-per-ip",
       Arrays.asList(
         "%header%",

sonar-api/src/main/java/xyz/jonesdev/sonar/api/fallback/Fallback.java

@@ -50,17 +50,17 @@ public final class Fallback {
 
     @Override
     public void info(final String message, final Object... args) {
-      SONAR.getLogger().info("[Fallback] " + message, args);
+      SONAR.getLogger().info("[fallback] " + message, args);
     }
 
     @Override
     public void warn(final String message, final Object... args) {
-      SONAR.getLogger().warn("[Fallback] " + message, args);
+      SONAR.getLogger().warn("[fallback] " + message, args);
     }
 
     @Override
     public void error(final String message, final Object... args) {
-      SONAR.getLogger().error("[Fallback] " + message, args);
+      SONAR.getLogger().error("[fallback] " + message, args);
     }
   };
 

sonar-common/src/main/java/xyz/jonesdev/sonar/common/fallback/FallbackVerificationHandler.java

@@ -414,7 +414,8 @@ private void finish() {
     user.getFallback().getConnected().remove(username);
 
     // Add verified player to the database
-    final VerifiedPlayer verifiedPlayer = new VerifiedPlayer(user.getInetAddress().toString(), playerUuid, login.getStart());
+    final VerifiedPlayer verifiedPlayer = new VerifiedPlayer(user.getInetAddress().toString(), playerUuid,
+      login.getStart());
     Sonar.get().getVerifiedPlayerController().add(verifiedPlayer);
 
     // Call the VerifySuccessEvent for external API usage

sonar-common/src/main/java/xyz/jonesdev/sonar/common/update/UpdateChecker.java

@@ -54,7 +54,8 @@ public void checkForUpdates() {
           LOGGER.info("You are currently using the latest stable release of Sonar!");
         } else {
           LOGGER.warn("You are currently using the latest development version of Sonar!");
-          LOGGER.warn("The contributors of Sonar are not responsible for any damage done by using an unstable version.");
+          LOGGER.warn("The contributors of Sonar are not responsible for any damage done by using an unstable version" +
+            ".");
         }
       } catch (Exception exception) {
         LOGGER.warn("Could not retrieve latest version information: {}", exception);

sonar-velocity/src/main/java/xyz/jonesdev/sonar/velocity/fallback/FallbackListener.java

@@ -192,7 +192,8 @@ public void handle(final @NotNull PreLoginEvent event) throws Throwable {
         // Check if the username matches the valid name regex in order to prevent
         // UTF-16 names or other types of flood attacks
         if (!Sonar.get().getConfig().getValidNameRegex().matcher(event.getUsername()).matches()) {
-          mcConnection.closeWith(Disconnect.create(Sonar.get().getConfig().getInvalidUsername(), mcConnection.getProtocolVersion()));
+          mcConnection.closeWith(Disconnect.create(Sonar.get().getConfig().getInvalidUsername(),
+            mcConnection.getProtocolVersion()));
           return;
         }