finished update checker

.gitignore

@@ -0,0 +1 @@
+/bin/

src/data/DownloadLevels.java

@@ -5,6 +5,13 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.net.URL;
 
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JProgressBar;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
+
 public class DownloadLevels {
 	
 	private ManageFiles data = new ManageFiles();
@@ -12,30 +19,84 @@ public class DownloadLevels {
 	
 	public void download() throws IOException {
 		
-		String fileURL;
 		
-		for(int i = 0; i < data.missingLevels().size(); i++) {
-			
-			System.out.println("downloading " + data.missingLevels().get(i));
-			fileURL = "https://raw.githubusercontent.com/All-Rated-Extreme-Demon-List/AREDL/main/data/" + data.missingLevels().get(i) + ".json";
-			
-		try (BufferedInputStream in = new BufferedInputStream(new URL(fileURL).openStream());
-				
-	             FileOutputStream fileOutputStream = new FileOutputStream("C:\\ExtremeDemonList\\levels\\" + data.missingLevels().get(i) + ".json")) {
-			
-	            byte dataBuffer[] = new byte[1024];
-	            int bytesRead;
-	            
-	            while ((bytesRead = in.read(dataBuffer, 0, 1024)) != -1) {
-	            	
-	                fileOutputStream.write(dataBuffer, 0, bytesRead);
-	                
-	            }
-	        } catch (IOException e) {
-	            // Handle exceptions
-	            e.printStackTrace();
-	        }
-		}
+		JFrame main = new JFrame("Updater");
+        main.setSize(400, 300);
+        main.setLayout(null); 
+        main.setResizable(false);
+        main.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
+        
+        JLabel info = new JLabel("Es werden " + data.missingLevels().size() + " Level heruntergeladen.");
+        info.setBounds(80, 1, 500, 30);
+        
+        JTextArea area = new JTextArea();
+        area.setEditable(false);
+        area.setLineWrap(true);
+        area.setWrapStyleWord(true);
+        
+        
+        JScrollPane scroll = new JScrollPane(area);
+        scroll.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
+        scroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
+        scroll.setBounds(1, 60, 383, 201);
+        
+        JProgressBar bar = new JProgressBar();
+        bar.setBounds(1, 29, 382, 30);
+        bar.setMinimum(0);
+        bar.setMaximum(data.missingLevels().size());
+        bar.setStringPainted(true);
+        
+        main.add(info);
+        main.add(scroll);
+        main.add(bar);
+        main.setVisible(true);
+		
+        
+        
+        Thread serverThread = new Thread(new Runnable() {
+            @Override
+            public void run() {
+            	String fileURL;
+            	for(int i = 0; i < data.missingLevels().size(); i++) {
+        			
+            		area.setCaretPosition(area.getDocument().getLength());
+            		
+        			bar.setValue(i + 1);
+        			
+        			area.append(i + 1 + "| " + data.missingLevels().get(i) + " wird heruntergeladen. ");
+        			
+        			System.out.println("downloading " + data.missingLevels().get(i));
+        			fileURL = "https://raw.githubusercontent.com/All-Rated-Extreme-Demon-List/AREDL/main/data/" + data.missingLevels().get(i) + ".json";
+        			
+        		try (BufferedInputStream in = new BufferedInputStream(new URL(fileURL).openStream());
+        				
+        	             FileOutputStream fileOutputStream = new FileOutputStream("C:\\ExtremeDemonList\\levels\\" + data.missingLevels().get(i) + ".json")) {
+        			
+        	            byte dataBuffer[] = new byte[1024];
+        	            int bytesRead;
+        	            
+        	            while ((bytesRead = in.read(dataBuffer, 0, 1024)) != -1) {
+        	            	
+        	                fileOutputStream.write(dataBuffer, 0, bytesRead);
+        	                
+        	            }
+        	        } catch (IOException e) {
+        	            // Handle exceptions
+        	            e.printStackTrace();
+        	        }
+        			area.append(" >> ERFOLGREICH \n");
+        		}
+            	JOptionPane.showMessageDialog(null, "Alle " + data.missingLevels().size() + " Level wurden erfolgreich heruntergeladen.", "Download abgeschlossen", JOptionPane.INFORMATION_MESSAGE);
+            	main.dispose();
+            	
+            	System.out.println("main gui starten IN DOWNLOADLEVELS NICHT VERGESSEN HIER EINFÜGEN");
+            	
+            }
+            
+        });
+        serverThread.start();
+        
+
 	}
 
 }

src/data/ManageFiles.java

@@ -4,10 +4,14 @@ import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 
+import gui.MissingLevels;
+
 public class ManageFiles {
 	
 	private FetchData fetch = new FetchData();
+	private MissingLevels gui = new MissingLevels();
 	private static ArrayList<String> missinglevels = new ArrayList<String>(); // fehlende noch zu herunterladende level
+	private int missing = 0;
 	
 	
 	private void feedMissingLevelsArray(String levelname) { // fehlende level werden missinglevels hinzugefügt
@@ -26,9 +30,14 @@ public class ManageFiles {
 			if(!file.exists()) { // wenn der level lokal nicht vorhanden ist, wird er als fehlend gemeldet.
 				System.out.println(fetch.allLevels().get(i) + " fehlt");
 				feedMissingLevelsArray(fetch.allLevels().get(i));
+				missing++;
 			}
 		}
 		
+		if(missing > 0) {
+			gui.show(missinglevels, missing);
+		}
+		
 	}
 	
 	public ArrayList<String> missingLevels() { // missinglevels wird zurückgegeben

src/gui/MissingLevels.java

@@ -0,0 +1,94 @@
+package gui;
+
+import java.awt.Button;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.IOException;
+import java.util.ArrayList;
+
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
+
+import data.DownloadLevels;
+
+public class MissingLevels {
+	
+	public void show(ArrayList<String> missinglevels, int missing) {
+		
+		JFrame main = new JFrame("Liste nicht aktuell");
+        main.setSize(400, 360);
+        main.setLayout(null); 
+        main.setResizable(false);
+        main.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        
+        JLabel missingLevelsLabel = new JLabel("Für die Liste ist ein Update verfügbar.");
+        missingLevelsLabel.setBounds(80, 1, 380, 20); 
+        
+        JLabel infoLabel = new JLabel("Folgende " + missing + " Level sind nicht vorhanden: ");
+        infoLabel.setBounds(1, 40, 380, 20); 
+        
+        JLabel separator = new JLabel("____________________________________________________________________________________________________________________");
+        separator.setBounds(0, 260, 500, 30);
+        
+        JLabel question = new JLabel("Möchten Sie die Liste aktualisieren?");
+        question.setBounds(90, 255, 500, 30);
+        
+        Button yes = new Button("Ja");
+        yes.setBounds(72, 285, 100, 30);
+        
+        Button no = new Button("Nein");
+        no.setBounds(200, 285, 100, 30);
+        
+        JTextArea area = new JTextArea();
+        area.setEditable(false);
+        area.setLineWrap(true);
+        area.setWrapStyleWord(true);
+        
+        JScrollPane scroll = new JScrollPane(area);
+        scroll.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
+        scroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
+        scroll.setBounds(1, 60, 383, 201);
+        
+        for(int i = 0; i < missinglevels.size(); i++) {
+        	area.append(missinglevels.get(i) + "\n");
+        }
+        
+        yes.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				main.dispose();
+				DownloadLevels download = new DownloadLevels();
+				try {
+					download.download();
+				} catch (IOException e1) {
+					e1.printStackTrace();
+				}
+
+			}        	
+        });
+        
+        no.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				// haupt gui aufrufen
+				
+			}
+        });
+        
+		
+        main.add(missingLevelsLabel);
+        main.add(infoLabel);
+        main.add(scroll);
+        main.add(question);
+        main.add(yes);
+        main.add(no);
+        main.add(separator);
+        
+        main.setVisible(true);
+		
+		
+	}
+
+}

src/main/Main.java

@@ -20,8 +20,7 @@ public class Main {
 		ManageFiles manager = new ManageFiles();
 		manager.compareArrays();
 
-		DownloadLevels download = new DownloadLevels();
-		download.download();
+		
 		
 		
 	}

src/module-info.java

@@ -5,4 +5,5 @@
  * 
  */
 module ExtremeDemonList {
+	requires java.desktop;
 }