Added backupConfigs

added `backupConfigs` to copy all current config files (and database) to a backup folder on plugin load / reload (thank you faun for helping me fix this mess)

src/main/java/com/iridium/iridiumskyblock/IridiumSkyblock.java

@@ -21,9 +21,7 @@
 import org.bukkit.plugin.RegisteredServiceProvider;
 import org.bukkit.plugin.java.JavaPluginLoader;
 
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
+import java.io.*;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.StandardCopyOption;
@@ -146,6 +144,7 @@ public void registerListeners() {
 
     @Override
     public void loadConfigs() {
+        backupConfigs("backup");
         this.configuration = getPersist().load(Configuration.class);
         this.messages = getPersist().load(Messages.class);
         this.commands = getPersist().load(Commands.class);
@@ -275,6 +274,33 @@ private void saveFile(File parent, String name) {
         }
     }
 
+    private void backupConfigs(String backupFolderName) {
+
+        getLogger().info("Attempting to create backup of configuration files...");
+
+        File pluginFolder = new File(getDataFolder().getPath());
+        File backupFolder = new File(pluginFolder.getPath() + File.separator + backupFolderName);
+        if (!backupFolder.exists()) backupFolder.mkdir();
+
+        File[] configFiles = pluginFolder.listFiles((dir, name) -> name.endsWith(".yml") || name.endsWith(".db"));
+
+        if(configFiles == null) {
+            getLogger().info("No files found.");
+            return;
+        }
+
+        for (File configFile : configFiles) {
+            File backupFile = new File(backupFolder, configFile.getName());
+
+            try {
+                Files.copy(configFile.toPath(), backupFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
+            } catch (IOException exception) {
+                getLogger().warning("Could not copy " + configFile.getName() + " to " + backupFile.getAbsolutePath());
+            }
+        }
+        getLogger().info("Backup successful, check " + backupFolder.getPath() + ".");
+    }
+
     @Override
     public ChunkGenerator getDefaultWorldGenerator(String worldName, String id) {
         return this.chunkGenerator;