ruby/lib/logger/formatter.rb

36 строки
734 B
Ruby

class Logger
# Default formatter for log messages.
class Formatter
Format = "%s, [%s#%d] %5s -- %s: %s\n".freeze
attr_accessor :datetime_format
def initialize
@datetime_format = nil
end
def call(severity, time, progname, msg)
Format % [severity[0..0], format_datetime(time), $$, severity, progname,
msg2str(msg)]
end
private
def format_datetime(time)
time.strftime(@datetime_format || "%Y-%m-%dT%H:%M:%S.%6N ".freeze)
end
def msg2str(msg)
case msg
when ::String
msg
when ::Exception
"#{ msg.message } (#{ msg.class })\n" <<
(msg.backtrace || []).join("\n")
else
msg.inspect
end
end
end
end