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