AliasFactory.php

<?php
 
namespace Guzzle\Service\Command\Factory;
 
use Guzzle\Common\Exception\InvalidArgumentException;
use Guzzle\Service\ClientInterface;
 
class AliasFactory implements FactoryInterface
{
    protected $aliases;
 
    protected $client;
 
    public function __construct(ClientInterface $client, array $aliases)
    {
        $this->client = $client;
        $this->aliases = $aliases;
    }
 
    public function factory($name, array $args = array())
    {
        if (isset($this->aliases[$name])) {
            try {
                return $this->client->getCommand($this->aliases[$name], $args);
            } catch (InvalidArgumentException $e) {
                return null;
            }
        }
    }
}