| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* global define, module, require, exports */ |
| |
| (function (root, factory) { |
| if (typeof define === 'function' && define.amd) { |
| define(['jquery', |
| 'nf.Dialog', |
| 'nf.Common'], |
| function ($, nfDialog, nfCommon) { |
| return (nf.ErrorHandler = factory($, nfDialog, nfCommon)); |
| }); |
| } else if (typeof exports === 'object' && typeof module === 'object') { |
| module.exports = (nf.ErrorHandler = factory(require('jquery'), |
| require('nf.Dialog'), |
| require('nf.Common'))); |
| } else { |
| nf.ErrorHandler = factory(root.$, |
| root.nf.Dialog, |
| root.nf.Common); |
| } |
| }(this, function ($, nfDialog, nfCommon) { |
| 'use strict'; |
| |
| var self = { |
| /** |
| * Method for handling ajax errors. |
| * |
| * @argument {object} xhr The XmlHttpRequest |
| * @argument {string} status The status of the request |
| * @argument {string} error The error |
| */ |
| handleAjaxError: function (xhr, status, error) { |
| if (status === 'canceled') { |
| if ($('#splash').is(':visible')) { |
| $('#message-title').text('Session Expired'); |
| $('#message-content').text('Your session has expired. Please reload to log in again.'); |
| |
| // show the error pane |
| $('#message-pane').show(); |
| } else { |
| nfDialog.showOkDialog({ |
| headerText: 'Session Expired', |
| dialogContent: 'Your session has expired. Please press Ok to log in again.', |
| okHandler: function () { |
| window.location = '../nifi/'; |
| } |
| }); |
| } |
| return; |
| } |
| |
| // if an error occurs while the splash screen is visible close the canvas show the error message |
| if ($('#splash').is(':visible')) { |
| if (xhr.status === 401) { |
| $('#message-title').text('Unauthorized'); |
| } else if (xhr.status === 403) { |
| $('#message-title').text('Insufficient Permissions'); |
| } else if (xhr.status === 409) { |
| $('#message-title').text('Invalid State'); |
| } else if (xhr.status === 413) { |
| $('#message-title').text('Payload Too Large'); |
| } else { |
| $('#message-title').text('An unexpected error has occurred'); |
| } |
| |
| if ($.trim(xhr.responseText) === '') { |
| $('#message-content').text('Please check the logs.'); |
| } else { |
| $('#message-content').text(xhr.responseText); |
| } |
| |
| // show the error pane |
| $('#message-pane').show(); |
| return; |
| } |
| |
| // status code 400, 404, 409, and 413 are expected response codes for nfCommon errors. |
| if (xhr.status === 400 || xhr.status === 404 || xhr.status === 409 || xhr.status == 413 || xhr.status === 503) { |
| nfDialog.showOkDialog({ |
| headerText: 'Error', |
| dialogContent: nfCommon.escapeHtml(xhr.responseText) |
| }); |
| } else if (xhr.status === 403) { |
| nfDialog.showOkDialog({ |
| headerText: 'Insufficient Permissions', |
| dialogContent: nfCommon.escapeHtml(xhr.responseText) |
| }); |
| } else { |
| if (xhr.status < 99 || xhr.status === 12007 || xhr.status === 12029) { |
| var content = 'Please ensure the application is running and check the logs for any errors.'; |
| if (nfCommon.isDefinedAndNotNull(status)) { |
| if (status === 'timeout') { |
| content = 'Request has timed out. Please ensure the application is running and check the logs for any errors.'; |
| } else if (status === 'abort') { |
| content = 'Request has been aborted.'; |
| } else if (status === 'No Transport') { |
| content = 'Request transport mechanism failed. Please ensure the host where the application is running is accessible.'; |
| } |
| } |
| $('#message-title').text('Unable to communicate with NiFi'); |
| $('#message-content').text(content); |
| } else if (xhr.status === 401) { |
| $('#message-title').text('Unauthorized'); |
| if ($.trim(xhr.responseText) === '') { |
| $('#message-content').text('Authentication is required to use this NiFi.'); |
| } else { |
| $('#message-content').text(xhr.responseText); |
| } |
| } else if (xhr.status === 500) { |
| $('#message-title').text('An unexpected error has occurred'); |
| if ($.trim(xhr.responseText) === '') { |
| $('#message-content').text('An error occurred communicating with the application core. Please check the logs and fix any configuration issues before restarting.'); |
| } else { |
| $('#message-content').text(xhr.responseText); |
| } |
| } else if (xhr.status === 200 || xhr.status === 201) { |
| $('#message-title').text('Parse Error'); |
| if ($.trim(xhr.responseText) === '') { |
| $('#message-content').text('Unable to interpret response from NiFi.'); |
| } else { |
| $('#message-content').text(xhr.responseText); |
| } |
| } else { |
| $('#message-title').text(xhr.status + ': Unexpected Response'); |
| $('#message-content').text('An unexpected error has occurred. Please check the logs.'); |
| } |
| |
| // show the error pane |
| $('#message-pane').show(); |
| } |
| }, |
| |
| /** |
| * Method for handling ajax errors when submitting configuration update (PUT/POST) requests. |
| * In addition to what handleAjaxError does, this function splits |
| * the error message text to display them as an unordered list. |
| * |
| * @argument {object} xhr The XmlHttpRequest |
| * @argument {string} status The status of the request |
| * @argument {string} error The error |
| */ |
| handleConfigurationUpdateAjaxError: function (xhr, status, error) { |
| if (xhr.status === 400) { |
| var errors = xhr.responseText.split('\n'); |
| |
| var content; |
| if (errors.length === 1) { |
| content = $('<span></span>').text(errors[0]); |
| } else { |
| content = nfCommon.formatUnorderedList(errors); |
| } |
| |
| nfDialog.showOkDialog({ |
| dialogContent: content, |
| headerText: 'Configuration Error' |
| }); |
| } else { |
| self.handleAjaxError(xhr, status, error); |
| } |
| } |
| }; |
| return self; |
| })); |
