Current File : //opt/alt/php53/usr/share/pear/Symfony/Component/Security/Acl/Domain/ObjectIdentity.php
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Security\Acl\Domain;
use Symfony\Component\Security\Core\Util\ClassUtils;
use Symfony\Component\Security\Acl\Exception\InvalidDomainObjectException;
use Symfony\Component\Security\Acl\Model\DomainObjectInterface;
use Symfony\Component\Security\Acl\Model\ObjectIdentityInterface;
/**
* ObjectIdentity implementation
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
final class ObjectIdentity implements ObjectIdentityInterface
{
private $identifier;
private $type;
/**
* Constructor.
*
* @param string $identifier
* @param string $type
*
* @throws \InvalidArgumentException
*/
public function __construct($identifier, $type)
{
if (empty($identifier)) {
throw new \InvalidArgumentException('$identifier cannot be empty.');
}
if (empty($type)) {
throw new \InvalidArgumentException('$type cannot be empty.');
}
$this->identifier = $identifier;
$this->type = $type;
}
/**
* Constructs an ObjectIdentity for the given domain object
*
* @param object $domainObject
* @throws InvalidDomainObjectException
* @return ObjectIdentity
*/
public static function fromDomainObject($domainObject)
{
if (!is_object($domainObject)) {
throw new InvalidDomainObjectException('$domainObject must be an object.');
}
try {
if ($domainObject instanceof DomainObjectInterface) {
return new self($domainObject->getObjectIdentifier(), ClassUtils::getRealClass($domainObject));
} elseif (method_exists($domainObject, 'getId')) {
return new self($domainObject->getId(), ClassUtils::getRealClass($domainObject));
}
} catch (\InvalidArgumentException $invalid) {
throw new InvalidDomainObjectException($invalid->getMessage(), 0, $invalid);
}
throw new InvalidDomainObjectException('$domainObject must either implement the DomainObjectInterface, or have a method named "getId".');
}
/**
* {@inheritDoc}
*/
public function getIdentifier()
{
return $this->identifier;
}
/**
* {@inheritDoc}
*/
public function getType()
{
return $this->type;
}
/**
* {@inheritDoc}
*/
public function equals(ObjectIdentityInterface $identity)
{
// comparing the identifier with === might lead to problems, so we
// waive this restriction
return $this->identifier == $identity->getIdentifier()
&& $this->type === $identity->getType();
}
/**
* Returns a textual representation of this object identity
*
* @return string
*/
public function __toString()
{
return sprintf('ObjectIdentity(%s, %s)', $this->identifier, $this->type);
}
}