Contents

require 'sanford-protocol'
require 'sanford/runner'

module Sanford

  module ServiceHandler

    def self.constantize(class_name)
      names = class_name.to_s.split('::').reject{|name| name.empty? }
      klass = names.inject(Object) do |constant, name|
        constant.const_get(name)
      end
      klass == Object ? false : klass
    rescue NameError
      false
    end

    def self.included(klass)
      klass.class_eval do
        extend ClassMethods
      end
    end

    def initialize(runner)
      @sanford_runner = runner
    end

    def init
      self.run_callback 'before_init'
      self.init!
      self.run_callback 'after_init'
    end

    def init!
    end

    def run
      self.run_callback 'before_run'
      data = self.run!
      self.run_callback 'after_run'
      [ 200, data ]
    end

    def run!
      raise NotImplementedError
    end

    def inspect
      reference = '0x0%x' % (self.object_id << 1)
      "#<#{self.class}:#{reference} @request=#{self.request.inspect}>"
    end

    protected

    def before_init; end
    def after_init;  end
    def before_run;  end
    def after_run;   end

    # Helpers

    def run_handler(handler_class, params = nil)
      handler_class.run(params || {}, self.logger)
    end

    def halt(*args); @sanford_runner.halt(*args); end
    def request;     @sanford_runner.request;     end
    def params;      self.request.params;         end
    def logger;      @sanford_runner.logger;      end

    def run_callback(callback)
      self.send(callback.to_s)
    end

    module ClassMethods

      def run(params = nil, logger = nil)
        Sanford.config.runner.run(self, params || {}, logger)
      end

    end

  end

end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
sanford-0.8.0	lib/sanford/service_handler.rb
sanford-0.7.0	lib/sanford/service_handler.rb
sanford-0.6.5	lib/sanford/service_handler.rb
sanford-0.6.4	lib/sanford/service_handler.rb