Update loggers names and remove old imports

# Update s_loggers' names and remove old imports

for root, subdirs, files in os.walk(walk_dir):
    for filename in files:
        if not filename.endswith('.java'):
            continue

        file_path = os.path.join(root, filename)
        print("Processing \t" + filename)

        with open(file_path) as file:
            subprocess.run("sed -i '/import org.apache.log4j.Logger/d' {}".format(file_path), shell=True)
            subprocess.run("sed -i 's/s_logger/logger/g' {}".format(file_path), shell=True)


# Update static loggers' names

for root, subdirs, files in os.walk(walk_dir):
    for filename in files:
        if not filename.endswith('.java'):
            continue

        file_path = os.path.join(root, filename)
        print("Processing \t" + filename)

        with open(file_path) as file:
            file_content = file.read()
            if "static Logger logger" in file_content:
                subprocess.run("sed -i 's/logger/LOGGER/g' {}".format(file_path), shell=True)
            if "private static final Logger logger" in file_content:
                subprocess.run("sed -i 's/private static final Logger logger/protected static Logger LOGGER/g' {}"
                               .format(file_path), shell=True)
                subprocess.run("sed -i 's/logger/LOGGER/g' {}".format(file_path), shell=True)