Class: Cfruby::Script::Observer

Inherits:

Object

• Object
• Cfruby::Script::Observer

Defined in:

lib/libcfruby/cfrubyscript.rb

Overview

Defines a basic Observer to the cfrubycontroller that is set implicitly when cfrubyscript is required

Instance Method Summary

• #handle_message(message) ⇒ Object
• #initialize(filename, level) ⇒ Observer constructor

  A new instance of Observer.

Constructor Details

#initialize(filename, level) ⇒ Observer

Returns a new instance of Observer.

# File 'lib/libcfruby/cfrubyscript.rb', line 193

def initialize(filename, level)
	
	@levelmap = Hash.new()
	@levelmap['intention'] = 4
	@levelmap['debug'] = 4
	@levelmap['verbose'] = 3
	@levelmap['info'] = 2
	@levelmap['warn'] = 1
	@levelmap['error'] = 0
	@levelmap['fatal'] = 0
	
	@reverselevelmap = Hash.new()
	@reverselevelmap[4] = 'debug'
	@reverselevelmap[3] = 'verbose'
	@reverselevelmap[2] = 'info'
	
	if(level.kind_of?(Numeric))
		level = level.to_i()
		if(level < 0 or level > 4)
			raise(ArgumentError, "log level must be between 0 and 4")
		end
	else
		case(level)
			when('debug')
				level = 4
			when('verbose')
				level = 3
			when('info')
				level = 2
			when('warn')
				level = 1
			when('error')
				level = 0
			when('fatal')
				level = 0
			else
				raise(ArgumentError, "Unknown log level \"#{level}\"")
		end
	end

	@level = Array.new()
	@level << 'exception'
	if(level > 0)
		@level << 'warn'
	end
	if(level > 1)
		@level << 'info'
	end
	if(level > 2)
		@level << 'verbose'
	end
	if(level > 3)
		@level << 'debug'
		@level << 'intention'
	end

	if(filename == nil)
		@logger = Logger.new(STDOUT)
	else
		@logger = Logger.new(filename, 5, 1048576)
	end
	@errlogger = Logger.new(STDERR)
end

Instance Method Details

#handle_message(message) ⇒ Object

# File 'lib/libcfruby/cfrubyscript.rb', line 257

def handle_message(message)
	messagelevel = message.type

	# increase the level of the message based on the call depth if it is info or higher
	# and it is a finished attempt
	currentlevel = @levelmap[message.type].to_i()
	if(message.tags.has_key?('attemptdone'))
		bumplevel = calculate_bump(message.caller) - 1
		if(bumplevel > 0)
			newlevel = currentlevel + bumplevel
			if(newlevel > 4)
				messagelevel = 'debug'
			else
				messagelevel = @reverselevelmap[newlevel] 
			end
		end
	end

	if(@level.include?(messagelevel))
		@logger << "#{Time.now.strftime("%Y-%m-%d %H:%M")} - (#{messagelevel}) #{message.message}\n"
	end
	
	# handle install messages special-like
	if(message.tags.has_key?('install') and message.type == 'intention')
		@logger << "#{Time.now.strftime("%Y-%m-%d %H:%M")} - (#{message.type}) #{message.message}\n"
	end

	if(message.type == 'exception')
		@errlogger << "#{Time.now.strftime("%Y-%m-%d %H:%M")} - (#{message.type}) #{message.message}\n"
	end
end