Class: MultiLogger

Inherits:
ActiveSupport::BufferedLogger
  • Object
show all
Defined in:
lib/multilogger.rb

Overview

Extend rails’ logger to support multiple targets. Patterns are added with ‘add_log`, then when a message is added to the log, it is checked against the patterns. example:

logger = MultiLogger.new("log.txt")
logger.add_log("Delayed::Job", "dj_log.txt")

Instance Method Summary collapse

Constructor Details

#initialize(target, level = DEBUG) ⇒ MultiLogger

Returns a new instance of MultiLogger.



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# File 'lib/multilogger.rb', line 15

def initialize(target, level=DEBUG)
  super(target, level)
  @extra_logs = {}
end

Instance Method Details

#__old_add ⇒ Object 



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# File 'lib/multilogger.rb', line 20

alias __old_add add

#add(severity, message = nil, progname = nil, &block) ⇒ Object 



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# File 'lib/multilogger.rb', line 22

def add(severity, message=nil, progname=nil, &block)
  @extra_logs.keys.each do |pattern|
    if message && message.respond_to?(:match) && message.match(pattern)
      return @extra_logs[pattern].add(severity, message, progname, &block)
    end
  end
  __old_add(severity, message, progname, &block)
end

#add_log(pattern, target) ⇒ Object

pattern can be either a String or a Regexp.



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# File 'lib/multilogger.rb', line 10

def add_log(pattern, target)
  @extra_logs[pattern] = ActiveSupport::BufferedLogger.new(target)
  return self # just so we can't accidentally grab the sub-log and do something stupid with it.
end