require 'active_support/core_ext/class/attribute_accessors' # Adds the 'around_level' method to Logger. class Logger #:nodoc: def self.define_around_helper(level) module_eval <<-end_eval, __FILE__, __LINE__ + 1 def around_#{level}(before_message, after_message, &block) # def around_debug(before_message, after_message, &block) self.#{level}(before_message) # self.debug(before_message) return_value = block.call(self) # return_value = block.call(self) self.#{level}(after_message) # self.debug(after_message) return return_value # return return_value end # end end_eval end [:debug, :info, :error, :fatal].each {|level| define_around_helper(level) } end require 'logger' # Extensions to the built-in Ruby logger. # # If you want to use the default log formatter as defined in the Ruby core, then you # will need to set the formatter for the logger as in: # # logger.formatter = Formatter.new # # You can then specify the datetime format, for example: # # logger.datetime_format = "%Y-%m-%d" # # Note: This logger is deprecated in favor of ActiveSupport::BufferedLogger class Logger ## # :singleton-method: # Set to false to disable the silencer cattr_accessor :silencer self.silencer = true # Silences the logger for the duration of the block. def silence(temporary_level = Logger::ERROR) if silencer begin old_logger_level, self.level = level, temporary_level yield self ensure self.level = old_logger_level end else yield self end end alias :old_datetime_format= :datetime_format= # Logging date-time format (string passed to +strftime+). Ignored if the formatter # does not respond to datetime_format=. def datetime_format=(datetime_format) formatter.datetime_format = datetime_format if formatter.respond_to?(:datetime_format=) end alias :old_datetime_format :datetime_format # Get the logging datetime format. Returns nil if the formatter does not support # datetime formatting. def datetime_format formatter.datetime_format if formatter.respond_to?(:datetime_format) end alias :old_formatter :formatter if method_defined?(:formatter) # Get the current formatter. The default formatter is a SimpleFormatter which only # displays the log message def formatter @formatter ||= SimpleFormatter.new end # Simple formatter which only displays the message. class SimpleFormatter < Logger::Formatter # This method is invoked when a log event occurs def call(severity, timestamp, progname, msg) "#{String === msg ? msg : msg.inspect}\n" end end private alias old_format_message format_message # Ruby 1.8.3 transposed the msg and progname arguments to format_message. # We can't test RUBY_VERSION because some distributions don't keep Ruby # and its standard library in sync, leading to installations of Ruby 1.8.2 # with Logger from 1.8.3 and vice versa. if method_defined?(:formatter=) def format_message(severity, timestamp, progname, msg) formatter.call(severity, timestamp, progname, msg) end else def format_message(severity, timestamp, msg, progname) formatter.call(severity, timestamp, progname, msg) end attr_writer :formatter public :formatter= alias old_format_datetime format_datetime def format_datetime(datetime) datetime end alias old_msg2str msg2str def msg2str(msg) msg end end end