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Versions: 7
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Contents
module CLIUtils
# LoggerDelegator Class
# Delegates certain Logger methods to a number of different
# targets.
class LoggerDelegator
# The endpoints to which delegation occurs.
# @return [Array]
attr_reader :targets
# Initializes and creates methods for the passed targets.
# @param [Logger] targets The endpoints to delegate to
# @return [void]
def initialize(targets)
@targets = targets
LoggerDelegator.delegate
end
# Attaches a new target to delegate to.
# @param [Logger] target The targets to delegate to
# @return [void]
def attach(target)
fail "Cannot add invalid target: #{ target }" unless target.is_a?(Hash)
@targets.merge!(target)
LoggerDelegator.delegate
end
# Creates delegator methods for a specific list of Logger
# functions.
# @return [void]
def self.delegate
%w(log debug info warn error section success).each do |m|
define_method(m) do |*args|
@targets.each_value { |v| v.send(m, *args) }
end
end
end
# Detaches a delegation target.
# @param [<String, Symbol>] target_name The target to remove
# @return [void]
def detach(target_name)
fail "Cannot delete invalid target: #{ target_name }" unless @targets.key?(target_name)
@targets.delete(target_name)
LoggerDelegator.delegate
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems