Class: KineticRuby::Logger

Inherits:
Object
  • Object
show all
Defined in:
lib/kinetic_logger.rb

Constant Summary collapse

LOG_LEVELS = 
[
  LOG_LEVEL_NONE = 0,
  LOG_LEVEL_ERROR = 1,
  LOG_LEVEL_INFO = 2,
  LOG_LEVEL_VERBOSE = 3,
]

Instance Method Summary collapse

Constructor Details

#initialize(logging_level = LOG_LEVEL_INFO, stream = $stdout) ⇒ Logger

Returns a new instance of Logger.



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# File 'lib/kinetic_logger.rb', line 3

def initialize(logging_level=LOG_LEVEL_INFO, stream=$stdout)
  set_log_level(logging_level)
  @stream = stream
end

Instance Method Details

#log_err(msg = '') ⇒ Object 



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# File 'lib/kinetic_logger.rb', line 28

def log_err(msg='')
  log_message(msg, $stderr) if @level >= LOG_LEVEL_ERROR
end

#log_info(msg = '') ⇒ Object Also known as: log 



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# File 'lib/kinetic_logger.rb', line 23

def log_info(msg='')
  log_message(msg) if @level >= LOG_LEVEL_INFO
end

#log_message(msg = '') ⇒ Object 



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# File 'lib/kinetic_logger.rb', line 36

def log_message(msg='')
  $stderr.flush
  @stream.flush
  @stream.puts msg
  @stream.flush
end

#log_verbose(msg = '') ⇒ Object 



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# File 'lib/kinetic_logger.rb', line 32

def log_verbose(msg='')
  log_message(msg) if @level >= LOG_LEVEL_VERBOSE
end

#set_log_level(level) ⇒ Object 



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# File 'lib/kinetic_logger.rb', line 15

def set_log_level(level)
  if !LOG_LEVELS.include? level
    raise "\nInvalid LOG_LEVEL specified!\nValid levels:\n\t" +
      LOG_LEVELS.map{|l|"#{self.class}::#{l}"}.join("\n\t") + "\n\n"
  end
  @level = level
end