wikimedia/mediawiki-extensions-Wikibase

<?php

namespace Wikibase\Lib\Formatters;

use Wikibase\DataModel\Entity\EntityId;
use Wikibase\DataModel\Services\EntityId\EntityIdFormatter;
use Wikimedia\Assert\Assert;

/**
 * DispatchingEntityIdHtmlLinkFormatter is a formatter for EntityId Html Links.
 * It dispatches the formatter based on the entity type
 *
 * @license GPL-2.0-or-later
 */
class DispatchingEntityIdHtmlLinkFormatter implements EntityIdFormatter {

    /**
     * @var EntityIdFormatter[]
     */
    private $formatters;

    /**
     * @var EntityIdFormatter
     */
    private $defaultFormatter;

    /**
     * @param EntityIdFormatter[] $formatters
     * @param EntityIdFormatter $defaultFormatter
     */
    public function __construct( array $formatters, EntityIdFormatter $defaultFormatter ) {
        Assert::parameterElementType( EntityIdFormatter::class, $formatters, '$formatters' );

        $this->formatters = $formatters;
        $this->defaultFormatter = $defaultFormatter;
    }

    /**
     * @param EntityId $entityId
     *
     * @return string HTML
     */
    public function formatEntityId( EntityId $entityId ) {
        $entityType = $entityId->getEntityType();
        if ( !isset( $this->formatters[$entityType] ) ) {
            return $this->defaultFormatter->formatEntityId( $entityId );
        }
        return $this->formatters[$entityType]->formatEntityId( $entityId );
    }

}