Class: Imap::Backup::Logger

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/imap/backup/logger.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Logger

Returns a new instance of Logger.



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# File 'lib/imap/backup/logger.rb', line 54

def initialize
  @logger = ::Logger.new($stdout)
  $stdout.sync = true
end

Instance Attribute Details

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/imap/backup/logger.rb', line 52

def logger
  @logger
end

Class Method Details

.count(verbose) ⇒ Object 



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# File 'lib/imap/backup/logger.rb', line 48

def self.count(verbose)
  verbose.reduce(1) { |acc, v| acc + (v ? 1 : -1) }
end

.logger ⇒ Object 



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# File 'lib/imap/backup/logger.rb', line 13

def self.logger
  Logger.instance.logger
end

.sanitize_stderr ⇒ Object 



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# File 'lib/imap/backup/logger.rb', line 38

def self.sanitize_stderr
  sanitizer = Text::Sanitizer.new($stdout)
  previous_stderr = $stderr
  $stderr = sanitizer
  yield
ensure
  sanitizer.flush
  $stderr = previous_stderr
end

.setup_logging(options = {}) ⇒ Object 



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# File 'lib/imap/backup/logger.rb', line 17

def self.setup_logging(options = {})
  copy = options.clone
  quiet = copy.delete(:quiet)
  verbose = copy.delete(:verbose) || []
  verbose_count = count(verbose)
  level =
    case
    when quiet
      ::Logger::Severity::UNKNOWN
    when verbose_count >= 2
      ::Logger::Severity::DEBUG
    else
      ::Logger::Severity::INFO
    end
  logger.level = level

  Net::IMAP.debug = (verbose_count >= 3)

  copy
end