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<?php
/*
* This file is part of the FOSHttpCache package.
*
* (c) FriendsOfSymfony <http://friendsofsymfony.github.com/>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace FOS\HttpCache\Exception;
/**
* A collection of exceptions that might occur during the flush operation of a
* ProxyClientInterface implementation.
*/
class ExceptionCollection extends \Exception implements \IteratorAggregate, \Countable, HttpCacheException
{
private $exceptions = [];
public function __construct(array $exceptions = [])
{
foreach ($exceptions as $exception) {
$this->add($exception);
}
}
/**
* Add an exception to the collection.
*
* @param \Exception $e
*
* @return $this
*/
public function add(\Exception $e)
{
if (!$this->message) {
$this->message = $e->getMessage();
}
$this->exceptions[] = $e;
return $this;
}
/**
* Get first exception in collection or null, if there is none.
*
* @return \Exception|null
*/
public function getFirst()
{
if ($this->count() > 0) {
return $this->exceptions[0];
}
}
/**
* Get exception iterator.
*
* @return \ArrayIterator
*/
public function getIterator()
{
return new \ArrayIterator($this->exceptions);
}
/**
* Get number of exceptions in collection.
*
* @return int
*/
public function count()
{
return count($this->exceptions);
}
}