Deserializers\DispatchingDeserializer

Complexity

Total Complexity

12

Size/Duplication

Total Lines	57
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Test Coverage

Coverage

100%

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	assertAreDeserializers()	0	9	4
A	deserialize()	0	11	3
A	isDeserializerFor()	0	9	3
A	addDeserializer()	0	3	1

<?php

namespace Deserializers;

use Deserializers\Exceptions\DeserializationException;
use InvalidArgumentException;

/**
 * @since 1.0
 *
 * @license GPL-2.0-or-later
 * @author Jeroen De Dauw < jeroendedauw@gmail.com >
 */
class DispatchingDeserializer implements DispatchableDeserializer {

	/**
	 * @var DispatchableDeserializer[]
	 */
	private $deserializers;

	/**
	 * @param DispatchableDeserializer[] $deserializers
	 */
	public function __construct( array $deserializers = [] ) {
		$this->assertAreDeserializers( $deserializers );
		$this->deserializers = $deserializers;
	}

	private function assertAreDeserializers( array $deserializers ) {
		foreach ( $deserializers as $deserializer ) {
			if ( !is_object( $deserializer ) || !( $deserializer instanceof DispatchableDeserializer ) ) {
				throw new InvalidArgumentException(
					'All $deserializers need to implement the DispatchableDeserializer interface'
				);
			}
		}
	}

	public function deserialize( $serialization ) {
		foreach ( $this->deserializers as $deserializer ) {
			if ( $deserializer->isDeserializerFor( $serialization ) ) {
				return $deserializer->deserialize( $serialization );
			}
		}

		throw new DeserializationException(
			'None of the deserializers can deserialize the provided serialization'
		);
	}

	public function isDeserializerFor( $serialization ) {
		foreach ( $this->deserializers as $deserializer ) {
			if ( $deserializer->isDeserializerFor( $serialization ) ) {
				return true;
			}
		}

		return false;
	}

	/**
	 * @since 3.0
	 *
	 * @param DispatchableDeserializer $serializer
	 */
	public function addDeserializer( DispatchableDeserializer $serializer ) {
		$this->deserializers[] = $serializer;
	}

}