Class: Butler::Services

Inherits:
Object
  • Object
show all
Includes:
Log::Comfort
Defined in:
lib/butler/services.rb

Overview

Plugins manages the plugins in Butler It uses

Instance Attribute Summary

Attributes included from Log::Comfort

#logger

Instance Method Summary collapse

Methods included from Log::Comfort

#debug, #error, #exception, #fail, #info, #log, #warn

Constructor Details

#initialize(butler, services_dir) ⇒ Services

Returns a new instance of Services.

Raises:

  • (ArgumentError) 


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# File 'lib/butler/services.rb', line 22

def initialize(butler, services_dir)
	@butler    = butler
	@logger    = butler.logger
	@dir       = File.expand_path(services_dir).freeze
	raise ArgumentError, "#{@dir} is not a directory" unless File.directory?(@dir)
	@services  = {}
end

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/butler/services.rb', line 61

def [](name)
	@services[name]
end

#load(file) ⇒ Object 



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# File 'lib/butler/services.rb', line 36

def load(file)
	rdn, name, version = file.match(%r{([^/]+)/([^/]+)/([^/]+)/service\.rb$}).captures
	path     = File.dirname(file)

	begin
		constant = "%s_%08X" %  [name.camelcase, rand(0xffffffff)]
	end while Butler::Plugins.const_defined?(constant)
	service = Butler::Services.const_set(constant, Module.new)
	service.extend(Butler::Service)
	service.logger = @butler.logger
	begin
		service.load_service(@butler, path, rdn, name, version)
		service.class_eval(File.read(file), file)
		service.on_load
	rescue Exception => e
		e.extend Exception::Detailed
		e.prepend "Loading service #{rdn}.#{name} #{version} failed."
		exception(e)
	end
end

#load_all ⇒ Object 



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# File 'lib/butler/services.rb', line 30

def load_all
	Dir.glob("#{@dir}/*/*/*/service.rb") { |file|
		load(file)
	}
end

#register(service, obj) ⇒ Object 



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# File 'lib/butler/services.rb', line 57

def register(service, obj)
	@services[service.name] = obj
end