Dateien nach "StatusAPI/src/main/java/net/viper/status" hochladen

StatusAPI/src/main/java/net/viper/status/FileDownloader.java

@@ -0,0 +1,59 @@
+package net.viper.status;
+
+import net.md_5.bungee.api.plugin.Plugin;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.util.function.Consumer;
+
+/**
+ * FileDownloader: Lädt Dateien asynchron herunter (CMILib Style).
+ */
+public class FileDownloader {
+
+    private final Plugin plugin;
+
+    public FileDownloader(Plugin plugin) {
+        this.plugin = plugin;
+    }
+
+    /**
+     * Lädt eine Datei herunter.
+     * @param urlString Die Download URL
+     * @param destination Die Zieldatei
+     * @param onSuccess Callback, der im Hauptthread ausgeführt wird, wenn fertig.
+     */
+    public void downloadFile(String urlString, File destination, Runnable onSuccess) {
+        plugin.getProxy().getScheduler().runAsync(plugin, () -> {
+            BufferedInputStream bufferedInputStream = null;
+            FileOutputStream fileOutputStream = null;
+            try {
+                URL url = new URL(urlString);
+                bufferedInputStream = new BufferedInputStream(url.openStream());
+                fileOutputStream = new FileOutputStream(destination);
+                byte[] buffer = new byte[1024];
+                int count;
+                while ((count = bufferedInputStream.read(buffer, 0, 1024)) != -1) {
+                    fileOutputStream.write(buffer, 0, count);
+                }
+                
+                // Schließen
+                fileOutputStream.close();
+                bufferedInputStream.close();
+
+                // Callback im Main Thread
+                plugin.getProxy().getScheduler().schedule(plugin, onSuccess, 1, java.util.concurrent.TimeUnit.MILLISECONDS);
+
+            } catch (Throwable e) {
+                plugin.getLogger().warning("Download fehlgeschlagen: " + e.getMessage());
+                if (destination.exists()) destination.delete();
+            } finally {
+                if (fileOutputStream != null) try { fileOutputStream.close(); } catch (IOException ignored) {}
+                if (bufferedInputStream != null) try { bufferedInputStream.close(); } catch (IOException ignored) {}
+            }
+        });
+    }
+}