added interfaces for file management

src/main/java/app/MainController.java

@@ -120,7 +120,7 @@ public class MainController implements Initializable {
   }
 
   /**
-   * Handle an exit request for the whole program Checking if all is saved before
+   * Handle an exit request for the whole program. Checking if all is saved before
    * closing the app. The user can either choose to exit or go back to the
    * application and save.
    * 
@@ -129,7 +129,7 @@ public class MainController implements Initializable {
   @Subscribe
   private void handle(ExitApplicationEvent event) {
     if (!Model.getFileIsSaved()) {
-      int g = JOptionPane.showConfirmDialog(null, "Your files are not saved.\nSave before you exit?", "Exit",
+      int g = JOptionPane.showConfirmDialog(null, "Your files are not saved.\nGo back to save?", "Exit",
           JOptionPane.YES_NO_OPTION);
 
       if (!(g == JOptionPane.YES_OPTION)) {

src/main/java/app/controllers/EditorController.java

@@ -29,6 +29,7 @@ import app.events.SaveFileEvent;
 import app.events.ToggleCommentEvent;
 import app.events.ToggleWrapTextEvent;
 import app.events.UndoEvent;
+import app.interfaces.FileManagement;
 import app.events.FileSaveStateChangedEvent;
 import app.events.FileSelectedEvent;
 import app.model.Model;
@@ -41,7 +42,7 @@ import javafx.scene.control.Alert.AlertType;
 /**
  * A FXML controller that controls the editor component of the UI
  */
-public class EditorController implements Initializable, Controller {
+public class EditorController implements Initializable, Controller, FileManagement {
 
   @FXML
   private CodeArea editor;
@@ -144,7 +145,7 @@ public class EditorController implements Initializable, Controller {
    * @param filePath The path of the file
    * @throws FileNotFoundException
    */
-  private void setEditorContent(String filePath) {
+  public void setEditorContent(String filePath) {
     if (filePath == null) {
       editor.clear();
       editor.appendText("// New File");
@@ -173,8 +174,11 @@ public class EditorController implements Initializable, Controller {
   /**
    * Saving/Writing to the file based on the spesific filepath. Otherwise it will
    * open an error dialog to give the user feedback about what has happened.
+   * 
+   * @param filePath The path of the file
+   * @throws FileNotFoundException
    */
-  private void saveCodeArea(String filePath) {
+  public void saveCodeArea(String filePath) {
     try (PrintWriter writer = new PrintWriter(new File(filePath))) {
       if (filePath.endsWith(".java") || filePath.endsWith(".md")) {
         writer.println(editor.getText());

src/main/java/app/interfaces/FileManagement.java

@@ -0,0 +1,13 @@
+package app.interfaces;
+
+/*
+* An interface that contains two methods for reading and writing to files.
+*/
+
+public interface FileManagement {
+
+    void setEditorContent(String filePath);
+
+    void saveCodeArea(String filePath);
+
+}