📍Use lombok, reformat, and optimize the code (#1560)

* Use lombok, reformat, and optimize the code

* Fix merge conflicts and some sonar issues

Co-authored-by: va1m <va1m@email.com>

command/src/main/java/com/iluwatar/command/Size.java

@@ -23,19 +23,19 @@
 
 package com.iluwatar.command;
 
+import lombok.RequiredArgsConstructor;
+
 /**
  * Enumeration for target size.
  */
+@RequiredArgsConstructor
 public enum Size {
 
-  SMALL("small"), NORMAL("normal");
+  SMALL("small"),
+  NORMAL("normal");
 
   private final String title;
 
-  Size(String title) {
-    this.title = title;
-  }
-
   @Override
   public String toString() {
     return title;

command/src/main/java/com/iluwatar/command/Target.java

@@ -23,39 +23,22 @@
 
 package com.iluwatar.command;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * Base class for spell targets.
  */
+@Setter
+@Slf4j
+@Getter
 public abstract class Target {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(Target.class);
-
   private Size size;
 
   private Visibility visibility;
 
-  public Size getSize() {
-    return size;
-  }
-
-  public void setSize(Size size) {
-    this.size = size;
-  }
-
-  public Visibility getVisibility() {
-    return visibility;
-  }
-
-  public void setVisibility(Visibility visibility) {
-    this.visibility = visibility;
-  }
-
-  @Override
-  public abstract String toString();
-
   /**
    * Print status.
    */

command/src/main/java/com/iluwatar/command/Visibility.java

@@ -23,19 +23,19 @@
 
 package com.iluwatar.command;
 
+import lombok.RequiredArgsConstructor;
+
 /**
  * Enumeration for target visibility.
  */
+@RequiredArgsConstructor
 public enum Visibility {
 
-  VISIBLE("visible"), INVISIBLE("invisible");
+  VISIBLE("visible"),
+  INVISIBLE("invisible");
 
   private final String title;
 
-  Visibility(String title) {
-    this.title = title;
-  }
-
   @Override
   public String toString() {
     return title;

command/src/main/java/com/iluwatar/command/Wizard.java

@@ -25,10 +25,12 @@ package com.iluwatar.command;
 
 import java.util.Deque;
 import java.util.LinkedList;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * Wizard is the invoker of the commands.
  */
+@Slf4j
 public class Wizard {
 
   private final Deque<Runnable> undoStack = new LinkedList<>();

command/src/test/java/com/iluwatar/command/CommandTest.java

@@ -41,7 +41,7 @@ import org.junit.jupiter.api.Test;
  * objects are held by a client object (app). The client decides which commands to execute at which
  * points. To execute a command, it passes the command object to the invoker object.
  */
-public class CommandTest {
+class CommandTest {
 
   private static final String GOBLIN = "Goblin";
 
@@ -51,7 +51,7 @@ public class CommandTest {
    * wizard keeps track of the spells undone, so they can be redone.
    */
   @Test
-  public void testCommand() {
+  void testCommand() {
 
     var wizard = new Wizard();
     var goblin = new Goblin();