170 lines
3.6 KiB
PHP
170 lines
3.6 KiB
PHP
<?php
|
|
|
|
declare(strict_types=1);
|
|
|
|
/**
|
|
* @copyright Copyright (c) 2019 Arthur Schiwon <blizzz@arthur-schiwon.de>
|
|
*
|
|
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
|
|
*
|
|
* @license GNU AGPL version 3 or any later version
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
namespace OCP\EventDispatcher;
|
|
|
|
use ArrayAccess;
|
|
use ArrayIterator;
|
|
use InvalidArgumentException;
|
|
use IteratorAggregate;
|
|
use Traversable;
|
|
use function array_key_exists;
|
|
|
|
/**
|
|
* Class GenericEvent
|
|
*
|
|
* convenience reimplementation of \Symfony\Component\GenericEvent against
|
|
* \OCP\EventDispatcher\Event
|
|
*
|
|
* @since 18.0.0
|
|
*/
|
|
class GenericEvent extends Event implements ArrayAccess, IteratorAggregate {
|
|
protected $subject;
|
|
protected $arguments;
|
|
|
|
/**
|
|
* Encapsulate an event with $subject and $args.
|
|
*
|
|
* @since 18.0.0
|
|
*/
|
|
public function __construct($subject = null, array $arguments = []) {
|
|
$this->subject = $subject;
|
|
$this->arguments = $arguments;
|
|
}
|
|
|
|
/**
|
|
* Getter for subject property.
|
|
*
|
|
* @since 18.0.0
|
|
*/
|
|
public function getSubject() {
|
|
return $this->subject;
|
|
}
|
|
|
|
/**
|
|
* Get argument by key.
|
|
*
|
|
* @throws InvalidArgumentException if key is not found
|
|
* @since 18.0.0
|
|
*/
|
|
public function getArgument(string $key) {
|
|
if ($this->hasArgument($key)) {
|
|
return $this->arguments[$key];
|
|
}
|
|
|
|
throw new InvalidArgumentException(sprintf('Argument "%s" not found.', $key));
|
|
}
|
|
|
|
/**
|
|
* Add argument to event.
|
|
*
|
|
* @since 18.0.0
|
|
*/
|
|
public function setArgument($key, $value): GenericEvent {
|
|
$this->arguments[$key] = $value;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Getter for all arguments.
|
|
*
|
|
* @since 18.0.0
|
|
*/
|
|
public function getArguments(): array {
|
|
return $this->arguments;
|
|
}
|
|
|
|
/**
|
|
* Set args property.
|
|
*
|
|
* @since 18.0.0
|
|
*/
|
|
public function setArguments(array $args = []): GenericEvent {
|
|
$this->arguments = $args;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Has argument.
|
|
*
|
|
* @since 18.0.0
|
|
*/
|
|
public function hasArgument($key): bool {
|
|
return array_key_exists($key, $this->arguments);
|
|
}
|
|
|
|
/**
|
|
* Retrieve an external iterator
|
|
*
|
|
* @link https://php.net/manual/en/iteratoraggregate.getiterator.php
|
|
* @since 18.0.0
|
|
*/
|
|
public function getIterator(): Traversable {
|
|
return new ArrayIterator($this->arguments);
|
|
}
|
|
|
|
/**
|
|
* Whether a offset exists
|
|
*
|
|
* @link https://php.net/manual/en/arrayaccess.offsetexists.php
|
|
* @since 18.0.0
|
|
*/
|
|
public function offsetExists($offset): bool {
|
|
return $this->hasArgument($offset);
|
|
}
|
|
|
|
/**
|
|
* Offset to retrieve
|
|
*
|
|
* @link https://php.net/manual/en/arrayaccess.offsetget.php
|
|
* @since 18.0.0
|
|
*/
|
|
public function offsetGet($offset) {
|
|
return $this->arguments[$offset];
|
|
}
|
|
|
|
/**
|
|
* Offset to set
|
|
*
|
|
* @link https://php.net/manual/en/arrayaccess.offsetset.php
|
|
* @since 18.0.0
|
|
*/
|
|
public function offsetSet($offset, $value): void {
|
|
$this->setArgument($offset, $value);
|
|
}
|
|
|
|
/**
|
|
* Offset to unset
|
|
*
|
|
* @link https://php.net/manual/en/arrayaccess.offsetunset.php
|
|
* @since 18.0.0
|
|
*/
|
|
public function offsetUnset($offset): void {
|
|
if ($this->hasArgument($offset)) {
|
|
unset($this->arguments[$offset]);
|
|
}
|
|
}
|
|
}
|