gistfile1.txt

class ApplicationController < ActionController::Base
    rescue_from ActionController::RoutingError, :with => :route_not_found
    rescue_from ActionController::UnknownAction, :with => :unknown_action
    rescue_from ActionController::MethodNotAllowed, :with => :method_not_allowed
    if (defined? ActiveRecord)
        rescue_from ActiveRecord::RecordNotFound, :with => :record_not_found
    end

    def route_not_found(exception)
        handle_error('no route', :status => :not_found)
    end

    def unknown_action(exception)
        handle_error('unknown action', :status => :not_found)
    end

    def method_not_allowed(exception)
        handle_error('method not allowed', :status => :not_found)
    end

    def record_not_found(exception)
        handle_error('no record', :status => :not_found)
    end

    def handle_error(message, params)
        error = {
            :error => message,
            :request => request.request_method.to_s.upcase! + ' ' + request.request_uri
        }
        status = params[:status] || :not_found

        respond_to do |format|
            format.xml  { render :xml => error.to_xml, :status => status }
            format.json { render :json => error.to_json, :status => status }
            format.yaml { render :text => error.to_yaml, :status => status }
        end
    end
end