Adjust checkstyle rules. Make checkstyle fail the build when violations are found. Correct all current checkstyle violations.

front-controller/src/main/java/com/iluwatar/front/controller/FrontController.java

@@ -2,33 +2,33 @@ package com.iluwatar.front.controller;
 
 /**
  * 
- * FrontController is the handler class that takes in all the requests and
- * renders the correct response.
+ * FrontController is the handler class that takes in all the requests and renders the correct
+ * response.
  *
  */
 public class FrontController {
-	
-	public void handleRequest(String request) {
-		Command command = getCommand(request);
-		command.process();
-	}
-	
-	private Command getCommand(String request) {
-		Class commandClass = getCommandClass(request);
-		try {
-			return (Command) commandClass.newInstance();
-		} catch (Exception e) {
-			throw new ApplicationException(e);
-		}
-	}
-	
-	private Class getCommandClass(String request) {
-		Class result;
-		try {
-			result = Class.forName("com.iluwatar.front.controller." + request + "Command");
-		} catch (ClassNotFoundException e) {
-			result = UnknownCommand.class;
-		}
-		return result;
-	}
+
+  public void handleRequest(String request) {
+    Command command = getCommand(request);
+    command.process();
+  }
+
+  private Command getCommand(String request) {
+    Class commandClass = getCommandClass(request);
+    try {
+      return (Command) commandClass.newInstance();
+    } catch (Exception e) {
+      throw new ApplicationException(e);
+    }
+  }
+
+  private Class getCommandClass(String request) {
+    Class result;
+    try {
+      result = Class.forName("com.iluwatar.front.controller." + request + "Command");
+    } catch (ClassNotFoundException e) {
+      result = UnknownCommand.class;
+    }
+    return result;
+  }
 }