CompositeResourceIteratorFactory.php

<?php
 
namespace Guzzle\Service\Resource;
 
use Guzzle\Common\Exception\InvalidArgumentException;
use Guzzle\Service\Command\CommandInterface;
 
class CompositeResourceIteratorFactory implements ResourceIteratorFactoryInterface
{
    protected $factories;
 
    public function __construct(array $factories)
    {
        $this->factories = $factories;
    }
 
    public function build(CommandInterface $command, array $options = array())
    {
        if (!($factory = $this->getFactory($command))) {
            throw new InvalidArgumentException('Iterator was not found for ' . $command->getName());
        }
 
        return $factory->build($command, $options);
    }
 
    public function canBuild(CommandInterface $command)
    {
        return $this->getFactory($command) !== false;
    }
 
    public function addFactory(ResourceIteratorFactoryInterface $factory)
    {
        $this->factories[] = $factory;
 
        return $this;
    }
 
    protected function getFactory(CommandInterface $command)
    {
        foreach ($this->factories as $factory) {
            if ($factory->canBuild($command)) {
                return $factory;
            }
        }
 
        return false;
    }
}