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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | * @ingroup Json |
| 20 | */ |
| 21 | |
| 22 | namespace MediaWiki\Json; |
| 23 | |
| 24 | use JsonException; |
| 25 | use JsonSerializable; |
| 26 | use Wikimedia\JsonCodec\JsonClassCodec; |
| 27 | |
| 28 | /** |
| 29 | * A JsonClassCodec for objects implementing the JsonSerializable interface. |
| 30 | * |
| 31 | * NOTE that this is for compatibility only and does NOT deserialize! |
| 32 | * |
| 33 | * @see JsonSerializable |
| 34 | * @see JsonClassCodec |
| 35 | * @since 1.43 |
| 36 | */ |
| 37 | class JsonSerializableCodec implements JsonClassCodec { |
| 38 | |
| 39 | /** @inheritDoc */ |
| 40 | public function toJsonArray( $obj ): array { |
| 41 | return $obj->jsonSerialize(); |
| 42 | } |
| 43 | |
| 44 | /** @return never */ |
| 45 | public function newFromJsonArray( string $className, array $json ) { |
| 46 | throw new JsonException( "Cannot deserialize: {$className}" ); |
| 47 | } |
| 48 | |
| 49 | /** @inheritDoc */ |
| 50 | public function jsonClassHintFor( string $className, string $keyName ) { |
| 51 | return null; |
| 52 | } |
| 53 | |
| 54 | public static function getInstance(): JsonSerializableCodec { |
| 55 | static $instance = null; |
| 56 | if ( $instance === null ) { |
| 57 | $instance = new JsonSerializableCodec(); |
| 58 | } |
| 59 | return $instance; |
| 60 | } |
| 61 | } |