class BillHicks::Base
Public Class Methods
connect(options = {}) { |ftp| ... }
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# File lib/bill_hicks/base.rb, line 4 def self.connect(options = {}) requires!(options, :username, :password) Net::FTP.open(BillHicks.config.ftp_host, options[:username], options[:password]) do |ftp| begin ftp.debug_mode = BillHicks.config.debug_mode ftp.passive = true yield ftp ensure ftp.close end end rescue Net::FTPPermError raise BillHicks::NotAuthenticated end
Protected Class Methods
requires!(hash, *params)
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# File lib/bill_hicks/base.rb, line 27 def self.requires!(hash, *params) params.each do |param| if param.is_a?(Array) raise ArgumentError.new("Missing required parameter: #{param.first}") unless hash.has_key?(param.first) valid_options = param[1..-1] raise ArgumentError.new("Parameter: #{param.first} must be one of: #{valid_options.join(', ')}") unless valid_options.include?(hash[param.first]) else raise ArgumentError.new("Missing required parameter: #{param}") unless hash.has_key?(param) end end end
Protected Instance Methods
connect(options) { |ftp| ... }
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Instance methods become class methods through inheritance
# File lib/bill_hicks/base.rb, line 41 def connect(options) self.class.connect(options) do |ftp| begin yield ftp ensure ftp.close end end end
get_file(filename)
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# File lib/bill_hicks/base.rb, line 51 def get_file(filename) connect(@options) do |ftp| begin tempfile = Tempfile.new ftp.chdir(BillHicks.config.top_level_dir) ftp.getbinaryfile(filename, tempfile.path) tempfile ensure ftp.close end end end
requires!(*args)
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Wrapper to `self.requires!` that can be used as an instance method.
# File lib/bill_hicks/base.rb, line 23 def requires!(*args) self.class.requires!(*args) end