Class: Flexo::Logger

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

Overview

Having a little log of what’s going on might not be such a bad idea. This provides methods for outputting information to a logfile

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Logger

Open a logfile for writing. We want to open the logger first, so instead of reading values from the config when initializing, we set them to defaults, and then, after the config has been loaded, override them.



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# File 'lib/flexo/logger.rb', line 16

def initialize
  @logfile  = File.expand_path('~/flexo.log')
  @loglevel = 3
  @handle   = STDERR
end

Instance Attribute Details

#logfile ⇒ Object

Returns the value of attribute logfile.



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# File 'lib/flexo/logger.rb', line 8

def logfile
  @logfile
end

#loglevel ⇒ Object

Returns the value of attribute loglevel.



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# File 'lib/flexo/logger.rb', line 9

def loglevel
  @loglevel
end

Instance Method Details

#const_to_text(i) ⇒ Object

Quick and dirty hack to find the textual representation of a log level based on the numeric value



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# File 'lib/flexo/logger.rb', line 36

def const_to_text(i)
  hit = ""

  Flexo::Constants.constants.each do |const|
    if Flexo::Constants.const_get(const) == i
      hit = const
    end
  end

  return hit.split('_')[-1]
end

#debug(line) ⇒ Object

Convenience function for debug-messages



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# File 'lib/flexo/logger.rb', line 62

def debug(line)
  log(Flexo::Constants::LOG_DEBUG, line)
end

#debug2(line) ⇒ Object

Convenience for more-verbose-than-debug-messages



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# File 'lib/flexo/logger.rb', line 67

def debug2(line)
  log(Flexo::Constants::LOG_DEBUG2, line)
end

#error(line) ⇒ Object

Convenience for errors



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# File 'lib/flexo/logger.rb', line 82

def error(line)
  log(Flexo::Constants::LOG_ERROR, line)
end

#info(line) ⇒ Object

Convenience for information



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# File 'lib/flexo/logger.rb', line 72

def info(line)
  log(Flexo::Constants::LOG_INFO, line)
end

#log(level, line) ⇒ Object

Writes a line into the log



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# File 'lib/flexo/logger.rb', line 49

def log(level, line)
  i     = level
  level = const_to_text(level)

  if(i <= @loglevel)
    Thread.new do 
      @handle.print "#{level.to_s.upcase} #{Time.now} #{line}\n"
      @handle.flush
    end
  end
end

#warn(line) ⇒ Object

Convenience for warnings



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# File 'lib/flexo/logger.rb', line 77

def warn(line)
  log(Flexo::Constants::LOG_WARN, line)
end