Module: Wmap::Utils::Logger

Extended by:
Logger
Included in:
Wmap::Utils, Logger
Defined in:
lib/wmap/utils/logger.rb

Overview

Module to log debugging and other messages

Instance Method Summary collapse

Instance Method Details

#wlog(obj, agent, file) ⇒ Object

Append information into the log file for the trouble-shooting purpose



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# File 'lib/wmap/utils/logger.rb', line 16

def wlog (obj, agent, file)
  puts "Writing #{obj} into log file: #{file}" if @verbose
  begin
    return false if obj.nil? 
    # 01/27/2015, implementing singleton pattern for the logger
    @@f=File.open(file,'a') 
    timestamp=Time.now
    case obj
    when Array
      if obj.size >= 0
        @@f.write "#{timestamp}: #{agent}: \n"
        obj.map { |x| @@f.write "  #{x}\n" }
        puts "The list is successfully saved into the log file: #{file} " if @verbose
      end
    when Hash
      if obj.length >= 0
        @@f.write "#{timestamp}: #{agent}: \n"
        obj.each_value { |value| @@f.write "  #{value}\n" }
        puts "The hash is successfully saved into the log file: #{file} " if @verbose
      end
    when String
      @@f.write "#{timestamp}: #{agent}: #{obj}\n"
      puts "The string is successfully saved into the log file: #{file} " if @verbose
    else
      #do nothing
      puts "Un-handled exception on: #{obj}" if @verbose
    end
    @@f.close
    return true
  rescue => ee
    puts "Exception on method #{__method__}: #{ee}" if @verbose
    return false
  end  
end