упорядочил папки с кодом.

src/Common/UI/Windows/Interface/Loggable.java

@@ -0,0 +1,48 @@
+package Common.UI.Windows.Interface;
+import Common.Current;
+import Common.UI.DebugPrintLevel;
+import Common.UI.UI;
+import Common.Utils.Utils;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.nio.file.Paths;
+import java.util.Date;
+public interface Loggable {
+    String getLogHomePath();
+    String getLogName();
+    default File getLogFile() {
+        return Paths.get(getLogHomePath(), (getLogName() + "_log.txt")).toFile();
+    }
+    default void ClearLog() {
+        try {
+            Utils.forceDeleteWithCheck(getLogFile());
+        } catch (Exception ignored) {
+        }
+    }
+    default void Print(String message) {
+        try {
+            FileWriter Log = new FileWriter(getLogFile(), true);
+            String datedMessage = Utils.Brackets(new Date()) + " " + message;
+            Log.write(datedMessage + "\n");
+            Log.close();
+        } catch (Exception ignored) {
+        }
+    }
+    default void Print(DebugPrintLevel level, String message) {
+        if (level.isEnabled())
+            Print(Utils.Brackets(level.getDescription()) + " " + message);
+    }
+    default void PrintException(Exception ex) {
+        StringWriter out = new StringWriter();
+        PrintWriter writer = new PrintWriter(out);
+        ex.printStackTrace(writer);
+        writer.flush();
+        Print(out.toString());
+        if (Current.hasUI())
+            UI.Error("Возникло исключение. Подробности в файле журнала\n" +
+                    Utils.Brackets(getLogFile().getAbsolutePath()));
+    }
+}