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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
*/
namespace yii\web;
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use Yii;
use yii\base\InvalidRouteException;
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/**
* Application is the base class for all application classes.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class Application extends \yii\base\Application
{
/**
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* @var string the default route of this application. Defaults to 'site'.
*/
public $defaultRoute = 'site';
/**
* @var array the configuration specifying a controller action which should handle
* all user requests. This is mainly used when the application is in maintenance mode
* and needs to handle all incoming requests via a single action.
* The configuration is an array whose first element specifies the route of the action.
* The rest of the array elements (key-value pairs) specify the parameters to be bound
* to the action. For example,
*
* ~~~
* array(
* 'offline/notice',
* 'param1' => 'value1',
* 'param2' => 'value2',
* )
* ~~~
*
* Defaults to null, meaning catch-all is not effective.
*/
public $catchAll;
/**
* @var Controller the currently active controller instance
*/
public $controller;
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/**
* Handles the specified request.
* @param Request $request the request to be handled
* @return Response the resulting response
* @throws HttpException if the requested route is invalid
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*/
public function handleRequest($request)
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{
Yii::setAlias('@webroot', dirname($request->getScriptFile()));
Yii::setAlias('@web', $request->getBaseUrl());
if (empty($this->catchAll)) {
list ($route, $params) = $request->resolve();
} else {
$route = $this->catchAll[0];
$params = array_splice($this->catchAll, 1);
}
try {
Yii::trace("Route requested: '$route'", __METHOD__);
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$this->requestedRoute = $route;
$result = $this->runAction($route, $params);
if ($result instanceof Response) {
return $result;
} else {
$response = $this->getResponse();
if ($result !== null) {
$response->data = $result;
}
return $response;
}
} catch (InvalidRouteException $e) {
throw new HttpException(404, $e->getMessage(), $e->getCode(), $e);
}
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}
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private $_homeUrl;
/**
* @return string the homepage URL
*/
public function getHomeUrl()
{
if ($this->_homeUrl === null) {
if ($this->getUrlManager()->showScriptName) {
return $this->getRequest()->getScriptUrl();
} else {
return $this->getRequest()->getBaseUrl() . '/';
}
} else {
return $this->_homeUrl;
}
}
/**
* @param string $value the homepage URL
*/
public function setHomeUrl($value)
{
$this->_homeUrl = $value;
}
/**
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* Returns the request component.
* @return Request the request component
*/
public function getRequest()
{
return $this->getComponent('request');
}
/**
* Returns the response component.
* @return Response the response component
*/
public function getResponse()
{
return $this->getComponent('response');
}
/**
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* Returns the session component.
* @return Session the session component
*/
public function getSession()
{
return $this->getComponent('session');
}
/**
* Returns the user component.
* @return User the user component
*/
public function getUser()
{
return $this->getComponent('user');
}
/**
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* Returns the asset manager.
* @return AssetManager the asset manager component
*/
public function getAssetManager()
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{
return $this->getComponent('assetManager');
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}
/**
* Registers the core application components.
* @see setComponents
*/
public function registerCoreComponents()
{
parent::registerCoreComponents();
$this->setComponents(array(
'request' => array(
'class' => 'yii\web\Request',
),
'response' => array(
'class' => 'yii\web\Response',
),
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'session' => array(
'class' => 'yii\web\Session',
),
'user' => array(
'class' => 'yii\web\User',
),
'assetManager' => array(
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'class' => 'yii\web\AssetManager',
),
));
}
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}