--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cake/libs/controller/components/request_handler.php	Sun Jul 24 21:08:31 2011 +0900
@@ -0,0 +1,827 @@
+<?php
+/**
+ * Request object for handling alternative HTTP requests
+ *
+ * Alternative HTTP requests can come from wireless units like mobile phones, palmtop computers,
+ * and the like.  These units have no use for Ajax requests, and this Component can tell how Cake
+ * should respond to the different needs of a handheld computer and a desktop machine.
+ *
+ * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
+ * Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
+ *
+ * Licensed under The MIT License
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @copyright     Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
+ * @link          http://cakephp.org CakePHP(tm) Project
+ * @package       cake
+ * @subpackage    cake.cake.libs.controller.components
+ * @since         CakePHP(tm) v 0.10.4.1076
+ * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
+ */
+
+/**
+ * Request object for handling HTTP requests
+ *
+ * @package       cake
+ * @subpackage    cake.cake.libs.controller.components
+ * @link http://book.cakephp.org/view/1291/Request-Handling
+ *
+ */
+class RequestHandlerComponent extends Object {
+
+/**
+ * The layout that will be switched to for Ajax requests
+ *
+ * @var string
+ * @access public
+ * @see RequestHandler::setAjax()
+ */
+	var $ajaxLayout = 'ajax';
+
+/**
+ * Determines whether or not callbacks will be fired on this component
+ *
+ * @var boolean
+ * @access public
+ */
+	var $enabled = true;
+
+/**
+ * Holds the content-type of the response that is set when using
+ * RequestHandler::respondAs()
+ *
+ * @var string
+ * @access private
+ */
+	var $__responseTypeSet = null;
+
+/**
+ * Holds the copy of Controller::$params
+ *
+ * @var array
+ * @access public
+ */
+	var $params = array();
+
+/**
+ * Friendly content-type mappings used to set response types and determine
+ * request types.  Can be modified with RequestHandler::setContent()
+ *
+ * @var array
+ * @access private
+ * @see RequestHandlerComponent::setContent
+ */
+	var $__requestContent = array(
+		'javascript'	=> 'text/javascript',
+		'js'			=> 'text/javascript',
+		'json'			=> 'application/json',
+		'css'			=> 'text/css',
+		'html'			=> array('text/html', '*/*'),
+		'text'			=> 'text/plain',
+		'txt'			=> 'text/plain',
+		'csv'			=> array('application/vnd.ms-excel', 'text/plain'),
+		'form'			=> 'application/x-www-form-urlencoded',
+		'file'			=> 'multipart/form-data',
+		'xhtml'			=> array('application/xhtml+xml', 'application/xhtml', 'text/xhtml'),
+		'xhtml-mobile'	=> 'application/vnd.wap.xhtml+xml',
+		'xml'			=> array('application/xml', 'text/xml'),
+		'rss'			=> 'application/rss+xml',
+		'atom'			=> 'application/atom+xml',
+		'amf'			=> 'application/x-amf',
+		'wap'			=> array(
+			'text/vnd.wap.wml',
+			'text/vnd.wap.wmlscript',
+			'image/vnd.wap.wbmp'
+		),
+		'wml'			=> 'text/vnd.wap.wml',
+		'wmlscript'		=> 'text/vnd.wap.wmlscript',
+		'wbmp'			=> 'image/vnd.wap.wbmp',
+		'pdf'			=> 'application/pdf',
+		'zip'			=> 'application/x-zip',
+		'tar'			=> 'application/x-tar'
+	);
+
+/**
+ * List of regular expressions for matching mobile device's user agent string
+ *
+ * @var array
+ * @access public
+ */
+	var $mobileUA = array(
+		'Android',
+		'AvantGo',
+		'BlackBerry',
+		'DoCoMo',
+		'iPod',
+		'iPhone',
+		'J2ME',
+		'MIDP',
+		'NetFront',
+		'Nokia',
+		'Opera Mini',
+		'PalmOS',
+		'PalmSource',
+		'portalmmm',
+		'Plucker',
+		'ReqwirelessWeb',
+		'SonyEricsson',
+		'Symbian',
+		'UP\.Browser',
+		'webOS',
+		'Windows CE',
+		'Xiino'
+	);
+
+/**
+ * Content-types accepted by the client.  If extension parsing is enabled in the
+ * Router, and an extension is detected, the corresponding content-type will be
+ * used as the overriding primary content-type accepted.
+ *
+ * @var array
+ * @access private
+ * @see Router::parseExtensions()
+ */
+	var $__acceptTypes = array();
+
+/**
+ * The template to use when rendering the given content type.
+ *
+ * @var string
+ * @access private
+ */
+	var $__renderType = null;
+
+/**
+ * Contains the file extension parsed out by the Router
+ *
+ * @var string
+ * @access public
+ * @see Router::parseExtensions()
+ */
+	var $ext = null;
+
+/**
+ * Flag set when MIME types have been initialized
+ *
+ * @var boolean
+ * @access private
+ * @see RequestHandler::__initializeTypes()
+ */
+	var $__typesInitialized = false;
+
+/**
+ * Constructor. Parses the accepted content types accepted by the client using HTTP_ACCEPT
+ *
+ */
+	function __construct() {
+		$this->__acceptTypes = explode(',', env('HTTP_ACCEPT'));
+
+		foreach ($this->__acceptTypes as $i => $type) {
+			if (strpos($type, ';')) {
+				$type = explode(';', $type);
+				$this->__acceptTypes[$i] = $type[0];
+			}
+		}
+		parent::__construct();
+	}
+
+/**
+ * Initializes the component, gets a reference to Controller::$parameters, and
+ * checks to see if a file extension has been parsed by the Router.  If yes, the
+ * corresponding content-type is pushed onto the list of accepted content-types
+ * as the first item.
+ *
+ * @param object $controller A reference to the controller
+ * @param array $settings Array of settings to _set().
+ * @return void
+ * @see Router::parseExtensions()
+ * @access public
+ */
+	function initialize(&$controller, $settings = array()) {
+		if (isset($controller->params['url']['ext'])) {
+			$this->ext = $controller->params['url']['ext'];
+		}
+		$this->params = $controller->params;
+		$this->_set($settings);
+	}
+
+/**
+ * The startup method of the RequestHandler enables several automatic behaviors
+ * related to the detection of certain properties of the HTTP request, including:
+ *
+ * - Disabling layout rendering for Ajax requests (based on the HTTP_X_REQUESTED_WITH header)
+ * - If Router::parseExtensions() is enabled, the layout and template type are
+ *   switched based on the parsed extension.  For example, if controller/action.xml
+ *   is requested, the view path becomes <i>app/views/controller/xml/action.ctp</i>.
+ * - If a helper with the same name as the extension exists, it is added to the controller.
+ * - If the extension is of a type that RequestHandler understands, it will set that
+ *   Content-type in the response header.
+ * - If the XML data is POSTed, the data is parsed into an XML object, which is assigned
+ *   to the $data property of the controller, which can then be saved to a model object.
+ *
+ * @param object $controller A reference to the controller
+ * @return void
+ * @access public
+ */
+	function startup(&$controller) {
+		if (!$this->enabled) {
+			return;
+		}
+
+		$this->__initializeTypes();
+		$controller->params['isAjax'] = $this->isAjax();
+		$isRecognized = (
+			!in_array($this->ext, array('html', 'htm')) &&
+			in_array($this->ext, array_keys($this->__requestContent))
+		);
+
+		if (!empty($this->ext) && $isRecognized) {
+			$this->renderAs($controller, $this->ext);
+		} elseif ($this->isAjax()) {
+			$this->renderAs($controller, 'ajax');
+		} elseif (empty($this->ext) || in_array($this->ext, array('html', 'htm'))) {
+			$this->respondAs('html', array('charset' => Configure::read('App.encoding')));
+		}
+
+		if ($this->requestedWith('xml')) {
+			if (!class_exists('XmlNode')) {
+				App::import('Core', 'Xml');
+			}
+			$xml = new Xml(trim(file_get_contents('php://input')));
+
+			if (count($xml->children) == 1 && is_object($dataNode = $xml->child('data'))) {
+				$controller->data = $dataNode->toArray();
+			} else {
+				$controller->data = $xml->toArray();
+			}
+		}
+	}
+
+/**
+ * Handles (fakes) redirects for Ajax requests using requestAction()
+ *
+ * @param object $controller A reference to the controller
+ * @param mixed $url A string or array containing the redirect location
+ * @param mixed HTTP Status for redirect
+ * @access public
+ */
+	function beforeRedirect(&$controller, $url, $status = null) {
+		if (!$this->isAjax()) {
+			return;
+		}
+		foreach ($_POST as $key => $val) {
+			unset($_POST[$key]);
+		}
+		if (is_array($url)) {
+			$url = Router::url($url + array('base' => false));
+		}
+		if (!empty($status)) {
+			$statusCode = $controller->httpCodes($status);
+			$code = key($statusCode);
+			$msg = $statusCode[$code];
+			$controller->header("HTTP/1.1 {$code} {$msg}");
+		}
+		echo $this->requestAction($url, array('return', 'bare' => false));
+		$this->_stop();
+	}
+
+/**
+ * Returns true if the current HTTP request is Ajax, false otherwise
+ *
+ * @return boolean True if call is Ajax
+ * @access public
+ */
+	function isAjax() {
+		return env('HTTP_X_REQUESTED_WITH') === "XMLHttpRequest";
+	}
+
+/**
+ * Returns true if the current HTTP request is coming from a Flash-based client
+ *
+ * @return boolean True if call is from Flash
+ * @access public
+ */
+	function isFlash() {
+		return (preg_match('/^(Shockwave|Adobe) Flash/', env('HTTP_USER_AGENT')) == 1);
+	}
+
+/**
+ * Returns true if the current request is over HTTPS, false otherwise.
+ *
+ * @return bool True if call is over HTTPS
+ * @access public
+ */
+	function isSSL() {
+		return env('HTTPS');
+	}
+
+/**
+ * Returns true if the current call accepts an XML response, false otherwise
+ *
+ * @return boolean True if client accepts an XML response
+ * @access public
+ */
+	function isXml() {
+		return $this->prefers('xml');
+	}
+
+/**
+ * Returns true if the current call accepts an RSS response, false otherwise
+ *
+ * @return boolean True if client accepts an RSS response
+ * @access public
+ */
+	function isRss() {
+		return $this->prefers('rss');
+	}
+
+/**
+ * Returns true if the current call accepts an Atom response, false otherwise
+ *
+ * @return boolean True if client accepts an RSS response
+ * @access public
+ */
+	function isAtom() {
+		return $this->prefers('atom');
+	}
+
+/**
+ * Returns true if user agent string matches a mobile web browser, or if the
+ * client accepts WAP content.
+ *
+ * @return boolean True if user agent is a mobile web browser
+ * @access public
+ * @deprecated Use of constant REQUEST_MOBILE_UA is deprecated and will be removed in future versions
+ */
+	function isMobile() {
+		if (defined('REQUEST_MOBILE_UA')) {
+			$regex = '/' . REQUEST_MOBILE_UA . '/i';
+		} else {
+			$regex = '/' . implode('|', $this->mobileUA) . '/i';
+		}
+
+		if (preg_match($regex, env('HTTP_USER_AGENT')) || $this->accepts('wap')) {
+			return true;
+		}
+		return false;
+	}
+
+/**
+ * Returns true if the client accepts WAP content
+ *
+ * @return bool
+ * @access public
+ */
+	function isWap() {
+		return $this->prefers('wap');
+	}
+
+/**
+ * Returns true if the current call a POST request
+ *
+ * @return boolean True if call is a POST
+ * @access public
+ */
+	function isPost() {
+		return (strtolower(env('REQUEST_METHOD')) == 'post');
+	}
+
+/**
+ * Returns true if the current call a PUT request
+ *
+ * @return boolean True if call is a PUT
+ * @access public
+ */
+	function isPut() {
+		return (strtolower(env('REQUEST_METHOD')) == 'put');
+	}
+
+/**
+ * Returns true if the current call a GET request
+ *
+ * @return boolean True if call is a GET
+ * @access public
+ */
+	function isGet() {
+		return (strtolower(env('REQUEST_METHOD')) == 'get');
+	}
+
+/**
+ * Returns true if the current call a DELETE request
+ *
+ * @return boolean True if call is a DELETE
+ * @access public
+ */
+	function isDelete() {
+		return (strtolower(env('REQUEST_METHOD')) == 'delete');
+	}
+
+/**
+ * Gets Prototype version if call is Ajax, otherwise empty string.
+ * The Prototype library sets a special "Prototype version" HTTP header.
+ *
+ * @return string Prototype version of component making Ajax call
+ * @access public
+ */
+	function getAjaxVersion() {
+		if (env('HTTP_X_PROTOTYPE_VERSION') != null) {
+			return env('HTTP_X_PROTOTYPE_VERSION');
+		}
+		return false;
+	}
+
+/**
+ * Adds/sets the Content-type(s) for the given name.  This method allows
+ * content-types to be mapped to friendly aliases (or extensions), which allows
+ * RequestHandler to automatically respond to requests of that type in the
+ * startup method.
+ *
+ * @param string $name The name of the Content-type, i.e. "html", "xml", "css"
+ * @param mixed $type The Content-type or array of Content-types assigned to the name,
+ *    i.e. "text/html", or "application/xml"
+ * @return void
+ * @access public
+ */
+	function setContent($name, $type = null) {
+		if (is_array($name)) {
+			$this->__requestContent = array_merge($this->__requestContent, $name);
+			return;
+		}
+		$this->__requestContent[$name] = $type;
+	}
+
+/**
+ * Gets the server name from which this request was referred
+ *
+ * @return string Server address
+ * @access public
+ */
+	function getReferer() {
+		if (env('HTTP_HOST') != null) {
+			$sessHost = env('HTTP_HOST');
+		}
+
+		if (env('HTTP_X_FORWARDED_HOST') != null) {
+			$sessHost = env('HTTP_X_FORWARDED_HOST');
+		}
+		return trim(preg_replace('/(?:\:.*)/', '', $sessHost));
+	}
+
+/**
+ * Gets remote client IP
+ *
+ * @return string Client IP address
+ * @access public
+ */
+	function getClientIP($safe = true) {
+		if (!$safe && env('HTTP_X_FORWARDED_FOR') != null) {
+			$ipaddr = preg_replace('/(?:,.*)/', '', env('HTTP_X_FORWARDED_FOR'));
+		} else {
+			if (env('HTTP_CLIENT_IP') != null) {
+				$ipaddr = env('HTTP_CLIENT_IP');
+			} else {
+				$ipaddr = env('REMOTE_ADDR');
+			}
+		}
+
+		if (env('HTTP_CLIENTADDRESS') != null) {
+			$tmpipaddr = env('HTTP_CLIENTADDRESS');
+
+			if (!empty($tmpipaddr)) {
+				$ipaddr = preg_replace('/(?:,.*)/', '', $tmpipaddr);
+			}
+		}
+		return trim($ipaddr);
+	}
+
+/**
+ * Determines which content types the client accepts.  Acceptance is based on
+ * the file extension parsed by the Router (if present), and by the HTTP_ACCEPT
+ * header.
+ *
+ * @param mixed $type Can be null (or no parameter), a string type name, or an
+ *   array of types
+ * @return mixed If null or no parameter is passed, returns an array of content
+ *   types the client accepts.  If a string is passed, returns true
+ *   if the client accepts it.  If an array is passed, returns true
+ *   if the client accepts one or more elements in the array.
+ * @access public
+ * @see RequestHandlerComponent::setContent()
+ */
+	function accepts($type = null) {
+		$this->__initializeTypes();
+
+		if ($type == null) {
+			return $this->mapType($this->__acceptTypes);
+
+		} elseif (is_array($type)) {
+			foreach ($type as $t) {
+				if ($this->accepts($t) == true) {
+					return true;
+				}
+			}
+			return false;
+		} elseif (is_string($type)) {
+
+			if (!isset($this->__requestContent[$type])) {
+				return false;
+			}
+
+			$content = $this->__requestContent[$type];
+
+			if (is_array($content)) {
+				foreach ($content as $c) {
+					if (in_array($c, $this->__acceptTypes)) {
+						return true;
+					}
+				}
+			} else {
+				if (in_array($content, $this->__acceptTypes)) {
+					return true;
+				}
+			}
+		}
+	}
+
+/**
+ * Determines the content type of the data the client has sent (i.e. in a POST request)
+ *
+ * @param mixed $type Can be null (or no parameter), a string type name, or an array of types
+ * @return mixed
+ * @access public
+ */
+	function requestedWith($type = null) {
+		if (!$this->isPost() && !$this->isPut()) {
+			return null;
+		}
+
+		list($contentType) = explode(';', env('CONTENT_TYPE'));
+		if ($type == null) {
+			return $this->mapType($contentType);
+		} elseif (is_array($type)) {
+			foreach ($type as $t) {
+				if ($this->requestedWith($t)) {
+					return $this->mapType($t);
+				}
+			}
+			return false;
+		} elseif (is_string($type)) {
+			return ($type == $this->mapType($contentType));
+		}
+	}
+
+/**
+ * Determines which content-types the client prefers.  If no parameters are given,
+ * the content-type that the client most likely prefers is returned.  If $type is
+ * an array, the first item in the array that the client accepts is returned.
+ * Preference is determined primarily by the file extension parsed by the Router
+ * if provided, and secondarily by the list of content-types provided in
+ * HTTP_ACCEPT.
+ *
+ * @param mixed $type An optional array of 'friendly' content-type names, i.e.
+ *   'html', 'xml', 'js', etc.
+ * @return mixed If $type is null or not provided, the first content-type in the
+ *    list, based on preference, is returned.
+ * @access public
+ * @see RequestHandlerComponent::setContent()
+ */
+	function prefers($type = null) {
+		$this->__initializeTypes();
+		$accept = $this->accepts();
+
+		if ($type == null) {
+			if (empty($this->ext)) {
+				if (is_array($accept)) {
+					return $accept[0];
+				}
+				return $accept;
+			}
+			return $this->ext;
+		}
+
+		$types = $type;
+		if (is_string($type)) {
+			$types = array($type);
+		}
+
+		if (count($types) === 1) {
+			if (!empty($this->ext)) {
+				return ($types[0] == $this->ext);
+			}
+			return ($types[0] == $accept[0]);
+		}
+		$accepts = array();
+
+		foreach ($types as $type) {
+			if (in_array($type, $accept)) {
+				$accepts[] = $type;
+			}
+		}
+
+		if (count($accepts) === 0) {
+			return false;
+		} elseif (count($types) === 1) {
+			return ($types[0] === $accepts[0]);
+		} elseif (count($accepts) === 1) {
+			return $accepts[0];
+		}
+
+		$acceptedTypes = array();
+		foreach ($this->__acceptTypes as $type) {
+			$acceptedTypes[] = $this->mapType($type);
+		}
+		$accepts = array_intersect($acceptedTypes, $accepts);
+		return $accepts[0];
+	}
+
+/**
+ * Sets the layout and template paths for the content type defined by $type.
+ *
+ * @param object $controller A reference to a controller object
+ * @param string $type Type of response to send (e.g: 'ajax')
+ * @return void
+ * @access public
+ * @see RequestHandlerComponent::setContent()
+ * @see RequestHandlerComponent::respondAs()
+ */
+	function renderAs(&$controller, $type) {
+		$this->__initializeTypes();
+		$options = array('charset' => 'UTF-8');
+
+		if (Configure::read('App.encoding') !== null) {
+			$options = array('charset' => Configure::read('App.encoding'));
+		}
+
+		if ($type == 'ajax') {
+			$controller->layout = $this->ajaxLayout;
+			return $this->respondAs('html', $options);
+		}
+		$controller->ext = '.ctp';
+
+		if (empty($this->__renderType)) {
+			$controller->viewPath .= DS . $type;
+		} else {
+			$remove = preg_replace("/([\/\\\\]{$this->__renderType})$/", DS . $type, $controller->viewPath);
+			$controller->viewPath = $remove;
+		}
+		$this->__renderType = $type;
+		$controller->layoutPath = $type;
+
+		if (isset($this->__requestContent[$type])) {
+			$this->respondAs($type, $options);
+		}
+
+		$helper = ucfirst($type);
+		$isAdded = (
+			in_array($helper, $controller->helpers) ||
+			array_key_exists($helper, $controller->helpers)
+		);
+
+		if (!$isAdded) {
+			if (App::import('Helper', $helper)) {
+				$controller->helpers[] = $helper;
+			}
+		}
+	}
+
+/**
+ * Sets the response header based on type map index name.  If DEBUG is greater than 2, the header
+ * is not set.
+ *
+ * @param mixed $type Friendly type name, i.e. 'html' or 'xml', or a full content-type,
+ *    like 'application/x-shockwave'.
+ * @param array $options If $type is a friendly type name that is associated with
+ *    more than one type of content, $index is used to select which content-type to use.
+ * @return boolean Returns false if the friendly type name given in $type does
+ *    not exist in the type map, or if the Content-type header has
+ *    already been set by this method.
+ * @access public
+ * @see RequestHandlerComponent::setContent()
+ */
+	function respondAs($type, $options = array()) {
+		$this->__initializeTypes();
+		if (!array_key_exists($type, $this->__requestContent) && strpos($type, '/') === false) {
+			return false;
+		}
+		$defaults = array('index' => 0, 'charset' => null, 'attachment' => false);
+		$options = array_merge($defaults, $options);
+
+		if (strpos($type, '/') === false && isset($this->__requestContent[$type])) {
+			$cType = null;
+			if (is_array($this->__requestContent[$type]) && isset($this->__requestContent[$type][$options['index']])) {
+				$cType = $this->__requestContent[$type][$options['index']];
+			} elseif (is_array($this->__requestContent[$type]) && isset($this->__requestContent[$type][0])) {
+				$cType = $this->__requestContent[$type][0];
+			} elseif (isset($this->__requestContent[$type])) {
+				$cType = $this->__requestContent[$type];
+			} else {
+				return false;
+			}
+
+			if (is_array($cType)) {
+				if ($this->prefers($cType)) {
+					$cType = $this->prefers($cType);
+				} else {
+					$cType = $cType[0];
+				}
+			}
+		} else {
+			$cType = $type;
+		}
+
+		if ($cType != null) {
+			$header = 'Content-type: ' . $cType;
+
+			if (!empty($options['charset'])) {
+				$header .= '; charset=' . $options['charset'];
+			}
+			if (!empty($options['attachment'])) {
+				$this->_header("Content-Disposition: attachment; filename=\"{$options['attachment']}\"");
+			}
+			if (Configure::read() < 2 && !defined('CAKEPHP_SHELL') && empty($this->params['requested'])) {
+				$this->_header($header);
+			}
+			$this->__responseTypeSet = $cType;
+			return true;
+		}
+		return false;
+	}
+
+/**
+ * Wrapper for header() so calls can be easily tested.
+ *
+ * @param string $header The header to be sent.
+ * @return void
+ * @access protected
+ */
+	function _header($header) {
+		header($header);
+	}
+
+/**
+ * Returns the current response type (Content-type header), or null if none has been set
+ *
+ * @return mixed A string content type alias, or raw content type if no alias map exists,
+ *    otherwise null
+ * @access public
+ */
+	function responseType() {
+		if ($this->__responseTypeSet == null) {
+			return null;
+		}
+		return $this->mapType($this->__responseTypeSet);
+	}
+
+/**
+ * Maps a content-type back to an alias
+ *
+ * @param mixed $type Content type
+ * @return mixed Alias
+ * @access public
+ */
+	function mapType($ctype) {
+		if (is_array($ctype)) {
+			$out = array();
+			foreach ($ctype as $t) {
+				$out[] = $this->mapType($t);
+			}
+			return $out;
+		} else {
+			$keys = array_keys($this->__requestContent);
+			$count = count($keys);
+
+			for ($i = 0; $i < $count; $i++) {
+				$name = $keys[$i];
+				$type = $this->__requestContent[$name];
+
+				if (is_array($type) && in_array($ctype, $type)) {
+					return $name;
+				} elseif (!is_array($type) && $type == $ctype) {
+					return $name;
+				}
+			}
+			return $ctype;
+		}
+	}
+
+/**
+ * Initializes MIME types
+ *
+ * @return void
+ * @access private
+ */
+	function __initializeTypes() {
+		if ($this->__typesInitialized) {
+			return;
+		}
+		if (isset($this->__requestContent[$this->ext])) {
+			$content = $this->__requestContent[$this->ext];
+			if (is_array($content)) {
+				$content = $content[0];
+			}
+			array_unshift($this->__acceptTypes, $content);
+		}
+		$this->__typesInitialized = true;
+	}
+}