Class Mongrel::Command::Registry
In: lib/mongrel/command.rb
lib/mongrel/command.rb
Parent: Object

A Singleton class that manages all of the available commands and handles running them.

Methods

Included Modules

Singleton Singleton

Public Instance methods

Builds a list of possible commands from the Command derivates list

[Source]

     # File lib/mongrel/command.rb, line 150
150:       def commands
151:         pmgr = GemPlugin::Manager.instance
152:         list = pmgr.plugins["/commands"].keys
153:         return list.sort
154:       end

Builds a list of possible commands from the Command derivates list

[Source]

     # File lib/mongrel/command.rb, line 150
150:       def commands
151:         pmgr = GemPlugin::Manager.instance
152:         list = pmgr.plugins["/commands"].keys
153:         return list.sort
154:       end

Prints a list of available commands.

[Source]

     # File lib/mongrel/command.rb, line 157
157:       def print_command_list
158:         puts "#{Mongrel::Command::BANNER}\nAvailable commands are:\n\n"
159: 
160:         self.commands.each do |name|
161:           if /mongrel::/ =~ name
162:             name = name[9 .. -1]
163:           end
164: 
165:           puts " - #{name[1 .. -1]}\n"
166:         end
167: 
168:         puts "\nEach command takes -h as an option to get help."
169: 
170:       end

Prints a list of available commands.

[Source]

     # File lib/mongrel/command.rb, line 157
157:       def print_command_list
158:         puts "#{Mongrel::Command::BANNER}\nAvailable commands are:\n\n"
159: 
160:         self.commands.each do |name|
161:           if /mongrel::/ =~ name
162:             name = name[9 .. -1]
163:           end
164: 
165:           puts " - #{name[1 .. -1]}\n"
166:         end
167: 
168:         puts "\nEach command takes -h as an option to get help."
169: 
170:       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.

[Source]

     # File lib/mongrel/command.rb, line 175
175:       def run(args)
176:         # find the command
177:         cmd_name = args.shift
178: 
179:         if !cmd_name or cmd_name == "?" or cmd_name == "help"
180:           print_command_list
181:           return true
182:         elsif cmd_name == "--version"
183:           puts "Mongrel Web Server #{Mongrel::Const::MONGREL_VERSION}"
184:           return true
185:         end
186: 
187:         begin
188:           # quick hack so that existing commands will keep working but the Mongrel:: ones can be moved
189:           if ["start", "stop", "restart"].include? cmd_name
190:             cmd_name = "mongrel::" + cmd_name
191:           end
192: 
193:           command = GemPlugin::Manager.instance.create("/commands/#{cmd_name}", :argv => args)
194:         rescue OptionParser::InvalidOption
195:           STDERR.puts "#$! for command '#{cmd_name}'"
196:           STDERR.puts "Try #{cmd_name} -h to get help."
197:           return false
198:         rescue
199:           STDERR.puts "ERROR RUNNING '#{cmd_name}': #$!"
200:           STDERR.puts "Use help command to get help"
201:           return false
202:         end
203: 
204:         # Normally the command is NOT valid right after being created
205:         # but sometimes (like with -h or -v) there's no further processing
206:         # needed so the command is already valid so we can skip it.
207:         if not command.done_validating
208:           if not command.validate
209:             STDERR.puts "#{cmd_name} reported an error. Use mongrel_rails #{cmd_name} -h to get help."
210:             return false
211:           else
212:             command.run
213:           end
214:         end
215: 
216:         return true
217:       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.

[Source]

     # File lib/mongrel/command.rb, line 175
175:       def run(args)
176:         # find the command
177:         cmd_name = args.shift
178: 
179:         if !cmd_name or cmd_name == "?" or cmd_name == "help"
180:           print_command_list
181:           return true
182:         elsif cmd_name == "--version"
183:           puts "Mongrel Web Server #{Mongrel::Const::MONGREL_VERSION}"
184:           return true
185:         end
186: 
187:         begin
188:           # quick hack so that existing commands will keep working but the Mongrel:: ones can be moved
189:           if ["start", "stop", "restart"].include? cmd_name
190:             cmd_name = "mongrel::" + cmd_name
191:           end
192: 
193:           command = GemPlugin::Manager.instance.create("/commands/#{cmd_name}", :argv => args)
194:         rescue OptionParser::InvalidOption
195:           STDERR.puts "#$! for command '#{cmd_name}'"
196:           STDERR.puts "Try #{cmd_name} -h to get help."
197:           return false
198:         rescue
199:           STDERR.puts "ERROR RUNNING '#{cmd_name}': #$!"
200:           STDERR.puts "Use help command to get help"
201:           return false
202:         end
203: 
204:         # Normally the command is NOT valid right after being created
205:         # but sometimes (like with -h or -v) there's no further processing
206:         # needed so the command is already valid so we can skip it.
207:         if not command.done_validating
208:           if not command.validate
209:             STDERR.puts "#{cmd_name} reported an error. Use mongrel_rails #{cmd_name} -h to get help."
210:             return false
211:           else
212:             command.run
213:           end
214:         end
215: 
216:         return true
217:       end

[Validate]