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Contents
# frozen_string_literal: true
require_relative '../jruby_art/jruby_complete'
require_relative '../jruby_art/java_opts'
module Processing
# The command class check for configuration and options, before creating and
# executing the jruby (or java) command to run the sketch
class Launcher
attr_reader :command
def initialize(runner:, args:, filename:)
@command = if Processing::RP_CONFIG.fetch('JRUBY', true)
JRubyCommand.new(runner, filename, args)
else
JavaCommand.new(runner, filename, args)
end
end
# Trade in this Ruby instance for a JRuby instance, loading in a starter
# script and passing it some arguments. Unless you set JRUBY: false in
# ~/.jruby_art/config.yml, an installed version of jruby is used instead
# of our vendored one. Note the use of jruby-complete might make using
# other gems in your sketches hard (but not impossible)....
def cmd
cmda = command.cmd
begin
exec(*cmda)
# exec replaces the Ruby process with the JRuby one.
rescue Java::JavaLang::ClassNotFoundException
end
end
end
end
# Wrap creation of java command string as a class
class JavaCommand
MAIN = 'org.jruby.Main'
attr_reader :runner, :args, :filename, :opts, :complete
def initialize(runner, args, filename)
@runner = runner
@args = args
@filename = filename
@complete = JRubyComplete.complete
@opts = JavaOpts.new.opts
end
def cmd
['java', opts, '-cp', complete, MAIN, runner, filename, args].flatten
end
end
# Wrap creation of jruby command string as a class
class JRubyCommand
attr_reader :runner, :args, :filename, :opts
def initialize(runner, args, filename)
@runner = runner
@args = args
@filename = filename
@opts = JRubyOpts.new.opts
end
def cmd
['jruby', opts, runner, filename, args].flatten
end
end
Version data entries
9 entries across 9 versions & 1 rubygems