Class: VhostGenerator::Application
- Inherits:
-
Object
- Object
- VhostGenerator::Application
- Defined in:
- lib/vhost_generator/application.rb
Overview
VhostGenerator main application object. When invoking vhost-generator
from the command line, a VhostGenerator::Application object is created and run.
Instance Attribute Summary collapse
Instance Method Summary collapse
- #application_options ⇒ Object
-
#display_error_message(ex) ⇒ Object
Display the error message that caused the exception.
- #generator_options ⇒ Object
- #handle_env(env) ⇒ Object
- #handle_options(argv) ⇒ Object
-
#initialize(output_stream = $stdout) ⇒ Application
constructor
A new instance of Application.
-
#run ⇒ Object
Run the VhostGenerator application.
-
#standard_exception_handling ⇒ Object
Provide standard exception handling for the given block.
Constructor Details
#initialize(output_stream = $stdout) ⇒ Application
Returns a new instance of Application.
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# File 'lib/vhost_generator/application.rb', line 16 def initialize(output_stream=$stdout) @name = File.basename($0 || 'vhost-generator') @output_stream = output_stream end |
Instance Attribute Details
#config(configurator = VhostGenerator::VhostConfiguration) ⇒ Object
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# File 'lib/vhost_generator/application.rb', line 31 def config(configurator=VhostGenerator::VhostConfiguration) @config ||= configurator.new # XXX end |
Instance Method Details
#application_options ⇒ Object
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# File 'lib/vhost_generator/application.rb', line 94 def [ ['-a', '--application APPLICATION', %q{Unique name of your application (e.g. myapp)}, lambda { |value| config.application = value }], ['-f', '--static-folder STATIC_FOLDER', %q{Path of your application's static folder (e.g. public/)}, lambda { |value| config.static_folder = value }], ['-l', '--listen SERVER_PORTS', %q{Public ports to listen on (e.g. 80,81)}, lambda { |value| config.server_ports = value }], ['-s', '--server-name SERVER_NAMES', %q{Server names to listen on (e.g. localhost,example.com)}, lambda { |value| config.server_names = value }], ['-p', '--instance-port INSTANCE_PORTS', %q{Internal ports where instances listen on (e.g. 5000,5001)}, lambda { |value| config.instance_ports = value }], ['-r', '--relative-root RAILS_RELATIVE_URL_ROOT', lambda { |value| config.relative_root = value }], ] end |
#display_error_message(ex) ⇒ Object
Display the error message that caused the exception.
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# File 'lib/vhost_generator/application.rb', line 145 def (ex) $stderr.puts "#{@name} aborted!" $stderr.puts ex. $stderr.puts ex.backtrace.join("\n") end |
#generator_options ⇒ Object
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# File 'lib/vhost_generator/application.rb', line 116 def [ ['-g', '--generator GENERATOR', %q{Generator to use to output virtualhost configuration file}, lambda { |value| config.generator = value }], ['-o', '--generator-options GENERATOR_OPTIONS', %q{Generator options as comma-separated list of key=value}, lambda { |value| config. = value }], ].freeze end |
#handle_env(env) ⇒ Object
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# File 'lib/vhost_generator/application.rb', line 35 def handle_env(env) if app = env['APPLICATION'] config.application = app end if path = env['STATIC_FOLDER'] config.static_folder = path end if ports = env['SERVER_PORTS'] config.server_ports = ports end if names = env['SERVER_NAMES'] config.server_names = names end if ports = env['INSTANCE_PORTS'] config.instance_ports = ports end if root = env['RAILS_RELATIVE_URL_ROOT'] config.relative_root = root end if generator = env['GENERATOR'] config.generator = generator end if = env['GENERATOR_OPTIONS'] config. = end end |
#handle_options(argv) ⇒ Object
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# File 'lib/vhost_generator/application.rb', line 62 def (argv) OptionParser.new do |opts| opts. = "Usage: #{@name} [options]" opts.separator "" opts.separator ['Note: all command-line options below also exist as ' \ 'environment variables.', 'You may try to setenv all ' \ 'uppercase names in the rest of this summary, eg.', '`export RAILS_RELATIVE_URL_ROOT=/myapp`.'].join($/) opts.separator "" opts.separator "Application options:" .each { |args| opts.on(*args) } opts.separator "" opts.separator "Generator options:" .each { |args| opts.on(*args) } opts.separator "" opts.on_tail("-v", "--version", "Display the program version.") do @output_stream.puts "#{@name}, version #{VhostGenerator::VERSION}" exit(true) end opts.on_tail("-h", "--help", "-H", "Display this help message.") do @output_stream.puts opts exit(true) end end.parse(argv) end |
#run ⇒ Object
Run the VhostGenerator application.
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# File 'lib/vhost_generator/application.rb', line 22 def run standard_exception_handling do handle_env(ENV) (ARGV) config.cmdline = CmdlineBuilder.new(config, Dir.pwd, $0, ENV) @output_stream.puts config.output end end |
#standard_exception_handling ⇒ Object
Provide standard exception handling for the given block.
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# File 'lib/vhost_generator/application.rb', line 128 def standard_exception_handling begin yield rescue SystemExit => ex # Exit silently with current status raise rescue OptionParser::InvalidOption, ArgumentError => ex $stderr.puts ex. exit(false) rescue Exception => ex # Exit with error message (ex) exit(false) end end |