| /******************************************************************************** |
| * Copyright (c) 2015-2018 Contributors to the Eclipse Foundation |
| * |
| * See the NOTICE file(s) distributed with this work for additional |
| * information regarding copyright ownership. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| ********************************************************************************/ |
| import { Injectable } from '@angular/core'; |
| |
| @Injectable({ |
| providedIn: 'root' |
| }) |
| export class FileReaderService { |
| |
| constructor() { } |
| |
| // reads file from filesystem. |
| public readFile(inputFile: File) { |
| const reader = new FileReader(); |
| return new Promise((resolve, reject) => { |
| reader.onerror = () => { |
| reader.abort(); |
| reject(new DOMException('Problem parsing input file.')); |
| }; |
| reader.onloadend = () => resolve(reader.result); |
| reader.readAsDataURL(inputFile); |
| }); |
| } |
| } |