| // Copyright (c) 2000-2019 Ericsson Telecom AB Telecom AB // |
| // All rights reserved. This program and the accompanying materials are made available under the // |
| // terms of the Eclipse Public License v2.0 which accompanies this distribution, and is available at // |
| // https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html // |
| /////////////////////////////////////////////////////////////////////////////////////////////////////// |
| function JsonLoader(jsonFile, p_fileHandler, defaultValue) {
|
| "use strict";
|
| var url = jsonFile;
|
|
|
| var data = defaultValue;
|
| var v_fileHandler = p_fileHandler;
|
|
|
| this.taskOperation = function(callback) {
|
| function dataArrived(ok, p_data) {
|
| var error = false;
|
| if (ok) {
|
| try {
|
| data = JSON.parse(p_data);
|
| } catch (e) {
|
| error = "Failed to parse JSON data: " + p_data;
|
| }
|
| } else {
|
| error = "Failed to load " + url;
|
| }
|
| if (!error)
|
| callback(true, data);
|
| else
|
| callback(false, error);
|
| }
|
|
|
| v_fileHandler.loadFile(url, dataArrived);
|
| };
|
|
|
| this.save = function(p_url, p_callback) {
|
| var oldUrl = url;
|
| if (p_url != undefined) {
|
| oldUrl = url;
|
| url = p_url;
|
| }
|
|
|
| function callback(ok) {
|
| if (!ok) {
|
| url = oldUrl;
|
| }
|
| if (p_callback != undefined) {
|
| p_callback(ok);
|
| }
|
| }
|
|
|
| if (url) {
|
| v_fileHandler.putFile(url, JSON.stringify(data, null, 4), callback);
|
| } else {
|
| callback(false);
|
| }
|
|
|
| };
|
|
|
| this.getData = function() {
|
| return data;
|
| };
|
|
|
| this.setData = function(p_data) {
|
| data = p_data;
|
| };
|
|
|
| this.getUrl = function() {
|
| return url;
|
| };
|
| } |
