Class: YleTf::System::TfHookOutputLogger

Inherits:
OutputLogger show all
Defined in:
lib/yle_tf/system/tf_hook_output_logger.rb

Overview

An IO handler class for YleTf Hook output.

Allows hooks to emit log messages with specific levels by prefixing a line with ‘<LEVEL>: `.

Instance Attribute Summary

Attributes inherited from OutputLogger

#level

Instance Method Summary collapse

Methods inherited from OutputLogger

#call, #initialize, #level?

Constructor Details

This class inherits a constructor from YleTf::System::OutputLogger

Instance Method Details

#line_level(line) ⇒ Object

Extracts the log level from the line if found, otherwise returns the default level and the line as is



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# File 'lib/yle_tf/system/tf_hook_output_logger.rb', line 23

def line_level(line)
  if (m = /^(?<level>[A-Z]+): (?<line>.*)$/.match(line))
    line_level = m[:level].downcase.to_sym
    return [line_level, m[:line]] if level?(line_level)
  end

  [level, line]
end

#log(progname, line) ⇒ Object 



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# File 'lib/yle_tf/system/tf_hook_output_logger.rb', line 11

def log(progname, line)
  # Remove `[<progname>] ` prefix from the output line.
  # This is mostly for backwards compatibility in Yle.
  line.sub!(/^\[#{progname}\] /, '')

  level, line = line_level(line)

  YleTf::Logger.public_send(level, progname) { line }
end