import os

import re

def find_public_class_name(filepath):

with open(filepath, 'r', encoding='utf-8') as f:

for line in f:

# Suche nach: public class ClassName

match = re.search(r'public\s+class\s+([A-Za-z0-9_]+)', line)

if match:

return match.group(1)

return None

def rename_files(root_dir):

for dirpath, _, filenames in os.walk(root_dir):

for filename in filenames:

if filename.endswith('.java'):

filepath = os.path.join(dirpath, filename)

class_name = find_public_class_name(filepath)

if class_name and filename != f"{class_name}.java":

new_path = os.path.join(dirpath, f"{class_name}.java")

if not os.path.exists(new_path):

print(f"Renaming: {filepath} -> {new_path}")

os.rename(filepath, new_path)

else:

print(f"Skipped (target exists): {new_path}")

if __name__ == "__main__":

# Passe den Pfad ggf. an!

rename_files(".")