<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Extension\Core\DataAccessor;
use Symfony\Component\Form\DataAccessorInterface;
use Symfony\Component\Form\Exception\AccessException;
use Symfony\Component\Form\FormInterface;
/**
* @author Yonel Ceruto <[email protected]>
*/
class ChainAccessor implements DataAccessorInterface
{
private $accessors;
/**
* @param DataAccessorInterface[]|iterable $accessors
*/
public function __construct(iterable $accessors)
{
$this->accessors = $accessors;
}
/**
* {@inheritdoc}
*/
public function getValue($data, FormInterface $form)
{
foreach ($this->accessors as $accessor) {
if ($accessor->isReadable($data, $form)) {
return $accessor->getValue($data, $form);
}
}
throw new AccessException('Unable to read from the given form data as no accessor in the chain is able to read the data.');
}
/**
* {@inheritdoc}
*/
public function setValue(&$data, $value, FormInterface $form): void
{
foreach ($this->accessors as $accessor) {
if ($accessor->isWritable($data, $form)) {
$accessor->setValue($data, $value, $form);
return;
}
}
throw new AccessException('Unable to write the given value as no accessor in the chain is able to set the data.');
}
/**
* {@inheritdoc}
*/
public function isReadable($data, FormInterface $form): bool
{
foreach ($this->accessors as $accessor) {
if ($accessor->isReadable($data, $form)) {
return true;
}
}
return false;
}
/**
* {@inheritdoc}
*/
public function isWritable($data, FormInterface $form): bool
{
foreach ($this->accessors as $accessor) {
if ($accessor->isWritable($data, $form)) {
return true;
}
}
return false;
}
}