1 files changed, 55 insertions, 0 deletions
diff --git a/railties/lib/dispatcher.rb b/railties/lib/dispatcher.rb
new file mode 100644
index 0000000000..aa7ae98edd
--- /dev/null
+++ b/railties/lib/dispatcher.rb
@@ -0,0 +1,55 @@
+#--
+# Copyright (c) 2004 David Heinemeier Hansson
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#++
+
+class Dispatcher
+  DEFAULT_SESSION_OPTIONS = { "database_manager" => CGI::Session::PStore, "prefix" => "ruby_sess.", "session_path" => "/" }
+
+  def self.dispatch(cgi = CGI.new, session_options = DEFAULT_SESSION_OPTIONS, error_page = nil)
+    begin
+      request  = ActionController::CgiRequest.new(cgi, session_options)
+      response = ActionController::CgiResponse.new(cgi)
+
+      controller_name = request.parameters["controller"].gsub(/[^_a-zA-Z0-9]/, "").untaint
+
+      if module_name = request.parameters["module"]
+        Module.new do
+          ActionController::Base.require_or_load "#{module_name}/#{Inflector.underscore(controller_name)}_controller"
+          Object.const_get("#{Inflector.camelize(controller_name)}Controller").process(request, response).out
+        end
+      else
+        ActionController::Base.require_or_load "#{Inflector.underscore(controller_name)}_controller"
+        Object.const_get("#{Inflector.camelize(controller_name)}Controller").process(request, response).out
+      end
+    rescue Exception => e
+      begin
+        ActionController::Base.logger.info "\n\nException throw during dispatch: #{e.message}\n#{e.backtrace.join("\n")}"
+      rescue Exception
+        # Couldn't log error
+      end
+      
+      if error_page then cgi.out{ IO.readlines(error_page) } else raise e end
+    ensure
+      ActiveRecord::Base.reset_associations_loaded
+    end
+  end
+end