bridge_logger.py

Go to the documentation of this file.

 
 
from enum import Enum
from .bridge_loggerinterface import ILogger
from .bridge_filelogger import FileLogger
from .bridge_consolelogger import ConsoleLogger
from .bridge_nulllogger import NullLogger
 
 
class Logger(ILogger):
 
    
    class LoggerTypes(Enum):
        
        ToNull = 0,
 
        
        ToFile = 1,
 
        
        ToConsole = 2
 
 
    
    def __init__(self, loggerType : LoggerTypes, *arguments):
        self._logger = None
        match (loggerType):
            case Logger.LoggerTypes.ToNull:
                self._logger = NullLogger.CreateLogger()
 
            case Logger.LoggerTypes.ToConsole:
                self._logger = ConsoleLogger.CreateLogger()
 
            case Logger.LoggerTypes.ToFile:
                if arguments:
                    self._logger = FileLogger.CreateLogger(arguments[0])
                else:
                    msg = "A filename must be specified for the {0} logger type.".format(loggerType)
                    raise ValueError(msg)
 
            case _: # default
                msg = "The logger type '{0}' is not recognized.  Cannot construct a Logger.".format(loggerType)
                raise ValueError(msg)
 
    
 
    
    def __enter__(self):
        return self
 
 
    
    def __exit__(self, *args):
        if self._logger:
            self._logger.Close()
            self._logger = None
 
    #-------------------------------------------------------------------------
    # ILogger interface implementation
    #-------------------------------------------------------------------------
 
    
    def Close(self):
        if self._logger:
            self._logger.Close()
            self._logger = None
 
    
    def LogTrace(self, message : str):
        if self._logger:
            self._logger.LogTrace(message)
 
 
 
    
    def LogInfo(self, message : str):
        if self._logger:
            self._logger.LogInfo(message)
 
 
    
    def LogError(self, message : str):
        if self._logger:
            self._logger.LogError(message)