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Hostname.php
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Hostname.php
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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Mvc_Router
* @subpackage Http
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Mvc\Router\Http;
use Traversable;
use Zend\Stdlib\ArrayUtils;
use Zend\Stdlib\RequestInterface as Request;
use Zend\Mvc\Router\Exception;
/**
* Hostname route.
*
* @package Zend_Mvc_Router
* @subpackage Http
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @see http://manuals.rubyonrails.com/read/chapter/65
*/
class Hostname implements RouteInterface
{
/**
* RouteInterface to match.
*
* @var array
*/
protected $route;
/**
* Constraints for parameters.
*
* @var array
*/
protected $constraints;
/**
* Default values.
*
* @var array
*/
protected $defaults;
/**
* List of assembled parameters.
*
* @var array
*/
protected $assembledParams = array();
/**
* Create a new hostname route.
*
* @param string $route
* @param array $constraints
* @param array $defaults
*/
public function __construct($route, array $constraints = array(), array $defaults = array())
{
$this->route = explode('.', $route);
$this->constraints = $constraints;
$this->defaults = $defaults;
}
/**
* factory(): defined by RouteInterface interface.
*
* @see Route::factory()
* @param array|\Traversable $options
* @throws \Zend\Mvc\Router\Exception\InvalidArgumentException
* @return Hostname
*/
public static function factory($options = array())
{
if ($options instanceof Traversable) {
$options = ArrayUtils::iteratorToArray($options);
} elseif (!is_array($options)) {
throw new Exception\InvalidArgumentException(__METHOD__ . ' expects an array or Traversable set of options');
}
if (!isset($options['route'])) {
throw new Exception\InvalidArgumentException('Missing "route" in options array');
}
if (!isset($options['constraints'])) {
$options['constraints'] = array();
}
if (!isset($options['defaults'])) {
$options['defaults'] = array();
}
return new static($options['route'], $options['constraints'], $options['defaults']);
}
/**
* match(): defined by RouteInterface interface.
*
* @see Route::match()
* @param Request $request
* @return RouteMatch
*/
public function match(Request $request)
{
if (!method_exists($request, 'uri')) {
return null;
}
$uri = $request->uri();
$hostname = explode('.', $uri->getHost());
$params = array();
if (count($hostname) !== count($this->route)) {
return null;
}
foreach ($this->route as $index => $routePart) {
if (preg_match('(^:(?P<name>.+)$)', $routePart, $matches)) {
if (isset($this->constraints[$matches['name']]) && !preg_match('(^' . $this->constraints[$matches['name']] . '$)', $hostname[$index])) {
return null;
}
$params[$matches['name']] = $hostname[$index];
} elseif ($hostname[$index] !== $routePart) {
return null;
}
}
return new RouteMatch(array_merge($this->defaults, $params));
}
/**
* assemble(): Defined by RouteInterface interface.
*
* @see Route::assemble()
* @param array $params
* @param array $options
* @return mixed
* @throws Exception\InvalidArgumentException
*/
public function assemble(array $params = array(), array $options = array())
{
$mergedParams = array_merge($this->defaults, $params);
$this->assembledParams = array();
if (isset($options['uri'])) {
$parts = array();
foreach ($this->route as $index => $routePart) {
if (preg_match('(^:(?P<name>.+)$)', $routePart, $matches)) {
if (!isset($mergedParams[$matches['name']])) {
throw new Exception\InvalidArgumentException(sprintf('Missing parameter "%s"', $matches['name']));
}
$parts[] = $mergedParams[$matches['name']];
$this->assembledParams[] = $matches['name'];
} else {
$parts[] = $routePart;
}
}
$options['uri']->setHost(implode('.', $parts));
}
// A hostname does not contribute to the path, thus nothing is returned.
return '';
}
/**
* getAssembledParams(): defined by RouteInterface interface.
*
* @see Route::getAssembledParams
* @return array
*/
public function getAssembledParams()
{
return $this->assembledParams;
}
}