Class: AppEngine::Rake::AppEngineTask

Inherits:
Rake::Task
  • Object
show all
Defined in:
lib/mirah/appengine_tasks.rb

Instance Method Summary collapse

Constructor Details

#initialize(*args, &block) ⇒ AppEngineTask

Returns a new instance of AppEngineTask.



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# File 'lib/mirah/appengine_tasks.rb', line 33

def initialize(*args, &block)
  super
  AppEngineTask.tasks << self
end

Instance Method Details

#api_jar ⇒ Object 



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# File 'lib/mirah/appengine_tasks.rb', line 136

def api_jar
  File.join(webinf_lib, File.basename(APIS))
end

#app_yaml ⇒ Object 



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# File 'lib/mirah/appengine_tasks.rb', line 124

def app_yaml
  @war + '/WEB-INF/app.yaml'
end

#app_yaml_timestamp ⇒ Object 



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# File 'lib/mirah/appengine_tasks.rb', line 118

def app_yaml_timestamp
  if File.exist?(app_yaml)
    File.mtime(app_yaml)
  end
end

#check_for_updates ⇒ Object 



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# File 'lib/mirah/appengine_tasks.rb', line 81

def check_for_updates
  @update_thread = Thread.new do
    # Give the server time to start
    next_time = Time.now + 5
    until @done
      sleep_time = next_time - Time.now
      sleep(sleep_time) if sleep_time > 0
      next_time = Time.now + 1
      update
    end
  end
end

#init(src, war) ⇒ Object 



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# File 'lib/mirah/appengine_tasks.rb', line 38

def init(src, war)
  @src = src
  @war = war
  unless $CLASSPATH.include?(webinf_classes)
    $CLASSPATH << webinf_classes
  end
  webinf_lib_jars.each do |jar|
    $CLASSPATH << jar unless $CLASSPATH.include?(jar)
  end
  Mirah.source_paths << src
  Mirah.dest_paths << webinf_classes
  directory(webinf_classes)
  directory(webinf_lib)

  file_create api_jar => webinf_lib do
    puts 'Coping apis'
    cp APIS, api_jar
  end

  task :server => [name] do
    check_for_updates
    args = [
      'java', '-cp', TOOLS,
      'com.google.appengine.tools.KickStart',
      'com.google.appengine.tools.development.DevAppServerMain',
      @war
    ]
    system *args
    @done = true
    @update_thread.join
  end
  task :upload => [name] do
    Java::ComGoogleAppengineTools::AppCfg.main(
        ['update', @war].to_java(:string))
  end

  enhance([api_jar])
end

#real_prerequisites ⇒ Object 



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# File 'lib/mirah/appengine_tasks.rb', line 77

def real_prerequisites
  prerequisites.map {|n| application[n, scope]}
end

#update ⇒ Object 



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# File 'lib/mirah/appengine_tasks.rb', line 94

def update
  begin
    timestamp = app_yaml_timestamp
    @last_app_yaml_timestamp ||= timestamp
    updated = false
    real_prerequisites.each do |dep|
      if dep.needed?
        puts "Executing #{dep.name}"
        dep.execute
        updated = true
      end
    end
    if updated || (timestamp != @last_app_yaml_timestamp)
      begin
        open('http://localhost:8080/_ah/reloadwebapp')
        @last_app_yaml_timestamp = timestamp
      rescue OpenURI::HTTPError
      end
    end
  rescue Exception
    puts $!, $@
  end
end

#webinf_classes ⇒ Object 



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# File 'lib/mirah/appengine_tasks.rb', line 128

def webinf_classes
  @war + '/WEB-INF/classes'
end

#webinf_lib ⇒ Object 



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# File 'lib/mirah/appengine_tasks.rb', line 132

def webinf_lib
  @war + '/WEB-INF/lib'
end

#webinf_lib_jars ⇒ Object 



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# File 'lib/mirah/appengine_tasks.rb', line 140

def webinf_lib_jars
  Dir.glob(webinf_lib + '/*.jar')
end