class BrLog:
    __DEBUG = 0
    __INFO = 1
    __WARN = 2
    __ERROR = 3

    def __init__(self, prefix = ''):
        self.logLevel = self.__INFO
        if prefix <> '':
            prefix = '-' + prefix
        self.prefix = prefix

    def setLevel(self, level):
        if level >= 0 and level <= 3:
            self.logLevel = level

    def info(self, message):
        self.log(message, self.__INFO)

    def debug(self, message):
        self.log(message, self.__DEBUG)

    def error(self, message):
        self.log(message, self.__ERROR)

    def warn(self, message):
        self.log(message, self.__WARN)

    def log(self, message, level):
        if self.logLevel <= level:
            print '[BR%s %d] %s' %(self.prefix, level, message)