1 files changed, 59 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/metal/exceptions.rb b/actionpack/lib/action_controller/metal/exceptions.rb
new file mode 100644
index 0000000000..3844dbf2a6
--- /dev/null
+++ b/actionpack/lib/action_controller/metal/exceptions.rb
@@ -0,0 +1,59 @@
+module ActionController
+  class ActionControllerError < StandardError #:nodoc:
+  end
+
+  class BadRequest < ActionControllerError #:nodoc:
+    attr_reader :original_exception
+
+    def initialize(type = nil, e = nil)
+      return super() unless type && e
+
+      super("Invalid #{type} parameters: #{e.message}")
+      @original_exception = e
+      set_backtrace e.backtrace
+    end
+  end
+
+  class RenderError < ActionControllerError #:nodoc:
+  end
+
+  class RoutingError < ActionControllerError #:nodoc:
+    attr_reader :failures
+    def initialize(message, failures=[])
+      super(message)
+      @failures = failures
+    end
+  end
+
+  class ActionController::UrlGenerationError < RoutingError #:nodoc:
+  end
+
+  class MethodNotAllowed < ActionControllerError #:nodoc:
+    def initialize(*allowed_methods)
+      super("Only #{allowed_methods.to_sentence(:locale => :en)} requests are allowed.")
+    end
+  end
+
+  class NotImplemented < MethodNotAllowed #:nodoc:
+  end
+
+  class UnknownController < ActionControllerError #:nodoc:
+  end
+
+  class MissingFile < ActionControllerError #:nodoc:
+  end
+
+  class SessionOverflowError < ActionControllerError #:nodoc:
+    DEFAULT_MESSAGE = 'Your session data is larger than the data column in which it is to be stored. You must increase the size of your data column if you intend to store large data.'
+
+    def initialize(message = nil)
+      super(message || DEFAULT_MESSAGE)
+    end
+  end
+
+  class UnknownHttpMethod < ActionControllerError #:nodoc:
+  end
+
+  class UnknownFormat < ActionControllerError #:nodoc:
+  end
+end