From d5717306c36e25f154a9b90221fdf86d0c123075 Mon Sep 17 00:00:00 2001 From: Evan Weaver Date: Sat, 31 Jan 2009 13:28:22 -0800 Subject: No commands. --- lib/mongrel/command.rb | 219 ------------------------------------------------- 1 file changed, 219 deletions(-) delete mode 100644 lib/mongrel/command.rb (limited to 'lib') diff --git a/lib/mongrel/command.rb b/lib/mongrel/command.rb deleted file mode 100644 index c1fcca1..0000000 --- a/lib/mongrel/command.rb +++ /dev/null @@ -1,219 +0,0 @@ -# Copyright (c) 2005 Zed A. Shaw -# You can redistribute it and/or modify it under the same terms as Ruby. -# -# Additional work donated by contributors. See http://mongrel.rubyforge.org/attributions.html -# for more information. - -require 'singleton' -require 'optparse' - -module Mongrel - - # Contains all of the various commands that are used with - # Mongrel servers. - - module Command - - BANNER = "Usage: mongrel_rails [options]" - - # A Command pattern implementation used to create the set of command available to the user - # from Mongrel. The script uses objects which implement this interface to do the - # user's bidding. - module Base - - attr_reader :valid, :done_validating, :original_args - - # Called by the implemented command to set the options for that command. - # Every option has a short and long version, a description, a variable to - # set, and a default value. No exceptions. - def options(opts) - # process the given options array - opts.each do |short, long, help, variable, default| - self.instance_variable_set(variable, default) - @opt.on(short, long, help) do |arg| - self.instance_variable_set(variable, arg) - end - end - end - - # Called by the subclass to setup the command and parse the argv arguments. - # The call is destructive on argv since it uses the OptionParser#parse! function. - def initialize(options={}) - argv = options[:argv] || [] - @opt = OptionParser.new - @opt.banner = Mongrel::Command::BANNER - @valid = true - # this is retarded, but it has to be done this way because -h and -v exit - @done_validating = false - @original_args = argv.dup - - configure - - # I need to add my own -h definition to prevent the -h by default from exiting. - @opt.on_tail("-h", "--help", "Show this message") do - @done_validating = true - puts @opt - end - - # I need to add my own -v definition to prevent the -v from exiting by default as well. - @opt.on_tail("--version", "Show version") do - @done_validating = true - if VERSION - puts "Version #{Mongrel::Const::MONGREL_VERSION}" - end - end - - @opt.parse! argv - end - - def configure - options [] - end - - # Returns true/false depending on whether the command is configured properly. - def validate - return @valid - end - - # Returns a help message. Defaults to OptionParser#help which should be good. - def help - @opt.help - end - - # Runs the command doing it's job. You should implement this otherwise it will - # throw a NotImplementedError as a reminder. - def run - raise NotImplementedError - end - - - # Validates the given expression is true and prints the message if not, exiting. - def valid?(exp, message) - if not @done_validating and (not exp) - failure message - @valid = false - @done_validating = true - end - end - - # Validates that a file exists and if not displays the message - def valid_exists?(file, message) - valid?(file != nil && File.exist?(file), message) - end - - - # Validates that the file is a file and not a directory or something else. - def valid_file?(file, message) - valid?(file != nil && File.file?(file), message) - end - - # Validates that the given directory exists - def valid_dir?(file, message) - valid?(file != nil && File.directory?(file), message) - end - - def valid_user?(user) - valid?(@group, "You must also specify a group.") - begin - Etc.getpwnam(user) - rescue - failure "User does not exist: #{user}" - @valid = false - end - end - - def valid_group?(group) - valid?(@user, "You must also specify a user.") - begin - Etc.getgrnam(group) - rescue - failure "Group does not exist: #{group}" - @valid = false - end - end - - # Just a simple method to display failure until something better is developed. - def failure(message) - STDERR.puts "!!! #{message}" - end - end - - # A Singleton class that manages all of the available commands - # and handles running them. - class Registry - include Singleton - - # Builds a list of possible commands from the Command derivates list - def commands - pmgr = GemPlugin::Manager.instance - list = pmgr.plugins["/commands"].keys - return list.sort - end - - # Prints a list of available commands. - def print_command_list - puts "#{Mongrel::Command::BANNER}\nAvailable commands are:\n\n" - - self.commands.each do |name| - if /mongrel::/ =~ name - name = name[9 .. -1] - end - - puts " - #{name[1 .. -1]}\n" - end - - puts "\nEach command takes -h as an option to get help." - - end - - - # Runs the args against the first argument as the command name. - # If it has any errors it returns a false, otherwise it return true. - def run(args) - # find the command - cmd_name = args.shift - - if !cmd_name or cmd_name == "?" or cmd_name == "help" - print_command_list - return true - elsif cmd_name == "--version" - puts "Mongrel Web Server #{Mongrel::Const::MONGREL_VERSION}" - return true - end - - begin - # quick hack so that existing commands will keep working but the Mongrel:: ones can be moved - if ["start", "stop", "restart"].include? cmd_name - cmd_name = "mongrel::" + cmd_name - end - - command = GemPlugin::Manager.instance.create("/commands/#{cmd_name}", :argv => args) - rescue OptionParser::InvalidOption - STDERR.puts "#$! for command '#{cmd_name}'" - STDERR.puts "Try #{cmd_name} -h to get help." - return false - rescue - STDERR.puts "ERROR RUNNING '#{cmd_name}': #$!" - STDERR.puts "Use help command to get help" - return false - end - - # Normally the command is NOT valid right after being created - # but sometimes (like with -h or -v) there's no further processing - # needed so the command is already valid so we can skip it. - if not command.done_validating - if not command.validate - STDERR.puts "#{cmd_name} reported an error. Use mongrel_rails #{cmd_name} -h to get help." - return false - else - command.run - end - end - - return true - end - - end - end -end - -- cgit v1.2.3-24-ge0c7