docs: update model-view-presenter

model-view-presenter/src/main/java/com/iluwatar/model/view/presenter/FileLoader.java

@@ -27,8 +27,10 @@ package com.iluwatar.model.view.presenter;
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileReader;
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.stream.Collectors;
+import lombok.Getter;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -38,11 +40,13 @@ import org.slf4j.LoggerFactory;
  *
  * <p>It is responsible for reading and loading the contents of a given file.
  */
+@Getter
 public class FileLoader implements Serializable {
 
   /**
    * Generated serial version UID.
    */
+  @Serial
   private static final long serialVersionUID = -4745803872902019069L;
 
   private static final Logger LOGGER = LoggerFactory.getLogger(FileLoader.class);
@@ -62,7 +66,7 @@ public class FileLoader implements Serializable {
    */
   public String loadData() {
     var dataFileName = this.fileName;
-    try (var br = new BufferedReader(new FileReader(new File(dataFileName)))) {
+    try (var br = new BufferedReader(new FileReader(dataFileName))) {
       var result = br.lines().collect(Collectors.joining("\n"));
       this.loaded = true;
       return result;
@@ -82,15 +86,6 @@ public class FileLoader implements Serializable {
     this.fileName = fileName;
   }
 
-  /**
-   * Gets the path of the file to be loaded.
-   *
-   * @return fileName The path of the file to be loaded.
-   */
-  public String getFileName() {
-    return this.fileName;
-  }
-
   /**
    * Returns true if the given file exists.
    *
@@ -99,13 +94,4 @@ public class FileLoader implements Serializable {
   public boolean fileExists() {
     return new File(this.fileName).exists();
   }
-
-  /**
-   * Returns true if the given file is loaded.
-   *
-   * @return True, if the file is loaded, false otherwise.
-   */
-  public boolean isLoaded() {
-    return this.loaded;
-  }
 }

model-view-presenter/src/main/java/com/iluwatar/model/view/presenter/FileSelectorJframe.java

@@ -30,6 +30,7 @@ import static javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;
 import java.awt.Color;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.io.Serial;
 import javax.swing.JButton;
 import javax.swing.JFrame;
 import javax.swing.JLabel;
@@ -47,6 +48,7 @@ public class FileSelectorJframe extends JFrame implements FileSelectorView, Acti
   /**
    * Default serial version ID.
    */
+  @Serial
   private static final long serialVersionUID = 1L;
 
   /**

model-view-presenter/src/main/java/com/iluwatar/model/view/presenter/FileSelectorPresenter.java

@@ -24,6 +24,7 @@
  */
 package com.iluwatar.model.view.presenter;
 
+import java.io.Serial;
 import java.io.Serializable;
 
 /**
@@ -37,6 +38,7 @@ public class FileSelectorPresenter implements Serializable {
   /**
    * Generated serial version UID.
    */
+  @Serial
   private static final long serialVersionUID = 1210314339075855074L;
 
   /**
@@ -86,7 +88,7 @@ public class FileSelectorPresenter implements Serializable {
    * Ok button handler.
    */
   public void confirmed() {
-    if (loader.getFileName() == null || loader.getFileName().equals("")) {
+    if (loader.getFileName() == null || loader.getFileName().isEmpty()) {
       view.showMessage("Please give the name of the file first!");
       return;
     }