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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Console output trait (used to add output support to other classes). |
| 5 | * |
| 6 | * PHP version 8 |
| 7 | * |
| 8 | * Copyright (C) Villanova University 2020. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2, |
| 12 | * as published by the Free Software Foundation. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 22 | * |
| 23 | * @category VuFind |
| 24 | * @package Console |
| 25 | * @author Demian Katz <demian.katz@villanova.edu> |
| 26 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
| 27 | * @link https://vufind.org/wiki/development Wiki |
| 28 | */ |
| 29 | |
| 30 | namespace VuFindConsole; |
| 31 | |
| 32 | use Symfony\Component\Console\Output\OutputInterface; |
| 33 | |
| 34 | /** |
| 35 | * Console output trait (used to add output support to other classes). |
| 36 | * |
| 37 | * @category VuFind |
| 38 | * @package Console |
| 39 | * @author Demian Katz <demian.katz@villanova.edu> |
| 40 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
| 41 | * @link https://vufind.org/wiki/development Wiki |
| 42 | */ |
| 43 | trait ConsoleOutputTrait |
| 44 | { |
| 45 | /** |
| 46 | * Output interface. |
| 47 | * |
| 48 | * @var OutputInterface |
| 49 | */ |
| 50 | protected $outputInterface = null; |
| 51 | |
| 52 | /** |
| 53 | * Set the output interface. Implements a fluent interface. |
| 54 | * |
| 55 | * @param OutputInterface $output Output interface |
| 56 | * |
| 57 | * @return mixed |
| 58 | */ |
| 59 | public function setOutputInterface(OutputInterface $output) |
| 60 | { |
| 61 | $this->outputInterface = $output; |
| 62 | return $this; |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Write a line to the output (if available). Implements a fluent interface. |
| 67 | * |
| 68 | * @param string $output Line to output. |
| 69 | * |
| 70 | * @return mixed |
| 71 | */ |
| 72 | public function writeln(string $output) |
| 73 | { |
| 74 | if ($this->outputInterface) { |
| 75 | $this->outputInterface->writeln($output); |
| 76 | } |
| 77 | return $this; |
| 78 | } |
| 79 | } |