RequestDataCollector   C
last analyzed

Complexity

Total Complexity 57

Size/Duplication

Total Lines 284
Duplicated Lines 0 %

Importance

Changes 0
Metric Value
eloc 122
c 0
b 0
f 0
dl 0
loc 284
rs 5.04
wmc 57

25 Methods

Rating   Name   Duplication   Size   Complexity  
A getStatusText() 0 3 1
A getStatusCode() 0 3 1
A getRequestRequest() 0 3 1
A getFlashes() 0 3 1
A getContentType() 0 3 1
A getPathInfo() 0 3 1
A getController() 0 3 1
A getFormat() 0 3 1
A getResponseHeaders() 0 3 1
A getRequestAttributes() 0 3 1
A getLocale() 0 3 1
F collect() 0 134 31
A getSubscribedEvents() 0 3 1
A getRequestHeaders() 0 3 1
A getRequestServer() 0 3 1
A getSessionMetadata() 0 3 1
A getRequestQuery() 0 3 1
A getName() 0 3 1
A __construct() 0 3 1
A getSessionAttributes() 0 3 1
A onKernelController() 0 3 1
A getRoute() 0 3 2
A getRequestCookies() 0 3 1
A getRouteParams() 0 3 2
A getContent() 0 3 1

How to fix   Complexity   

Complex Class

Complex classes like RequestDataCollector often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.

Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.

While breaking up the class, it is a good idea to analyze how other classes use RequestDataCollector, and based on these observations, apply Extract Interface, too.

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<?php
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/*
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 * This file is part of the Symfony package.
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 *
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 * (c) Fabien Potencier <[email protected]>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Symfony\Component\HttpKernel\DataCollector;
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use Symfony\Component\HttpFoundation\ParameterBag;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpFoundation\Response;
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use Symfony\Component\HttpKernel\KernelEvents;
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use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
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use Symfony\Component\EventDispatcher\EventSubscriberInterface;
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/**
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 * RequestDataCollector.
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 *
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 * @author Fabien Potencier <[email protected]>
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 */
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class RequestDataCollector extends DataCollector implements EventSubscriberInterface
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{
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    protected $controllers;
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    public function __construct()
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    {
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        $this->controllers = new \SplObjectStorage();
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function collect(Request $request, Response $response, \Exception $exception = null)
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    {
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        $responseHeaders = $response->headers->all();
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        foreach ($response->headers->getCookies() as $cookie) {
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            $responseHeaders['set-cookie'][] = (string) $cookie;
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        }
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        // attributes are serialized and as they can be anything, they need to be converted to strings.
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        $attributes = array();
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        foreach ($request->attributes->all() as $key => $value) {
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            if ('_route' === $key && is_object($value)) {
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                $attributes[$key] = $this->varToString($value->getPath());
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            } elseif ('_route_params' === $key) {
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                // we need to keep route params as an array (see getRouteParams())
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                foreach ($value as $k => $v) {
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                    $value[$k] = $this->varToString($v);
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                }
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                $attributes[$key] = $value;
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            } else {
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                $attributes[$key] = $this->varToString($value);
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            }
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        }
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        $content = null;
0 ignored issues
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Unused Code introduced by
The assignment to $content is dead and can be removed.
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        try {
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            $content = $request->getContent();
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        } catch (\LogicException $e) {
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            // the user already got the request content as a resource
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            $content = false;
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        }
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        $sessionMetadata = array();
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        $sessionAttributes = array();
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        $flashes = array();
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        if ($request->hasSession()) {
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            $session = $request->getSession();
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            if ($session->isStarted()) {
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                $sessionMetadata['Created'] = date(DATE_RFC822, $session->getMetadataBag()->getCreated());
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                $sessionMetadata['Last used'] = date(DATE_RFC822, $session->getMetadataBag()->getLastUsed());
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                $sessionMetadata['Lifetime'] = $session->getMetadataBag()->getLifetime();
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                $sessionAttributes = $session->all();
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                $flashes = $session->getFlashBag()->peekAll();
0 ignored issues
show
Bug introduced by
The method getFlashBag() does not exist on Symfony\Component\HttpFo...ession\SessionInterface. Since it exists in all sub-types, consider adding an abstract or default implementation to Symfony\Component\HttpFo...ession\SessionInterface. ( Ignorable by Annotation )

If this is a false-positive, you can also ignore this issue in your code via the ignore-call  annotation

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                $flashes = $session->/** @scrutinizer ignore-call */ getFlashBag()->peekAll();
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            }
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        }
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        $statusCode = $response->getStatusCode();
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        $this->data = array(
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            'format' => $request->getRequestFormat(),
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            'content' => $content,
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            'content_type' => $response->headers->get('Content-Type', 'text/html'),
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            'status_text' => isset(Response::$statusTexts[$statusCode]) ? Response::$statusTexts[$statusCode] : '',
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            'status_code' => $statusCode,
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            'request_query' => $request->query->all(),
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            'request_request' => $request->request->all(),
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            'request_headers' => $request->headers->all(),
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            'request_server' => $request->server->all(),
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            'request_cookies' => $request->cookies->all(),
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            'request_attributes' => $attributes,
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            'response_headers' => $responseHeaders,
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            'session_metadata' => $sessionMetadata,
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            'session_attributes' => $sessionAttributes,
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            'flashes' => $flashes,
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            'path_info' => $request->getPathInfo(),
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            'controller' => 'n/a',
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            'locale' => $request->getLocale(),
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        );
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        if (isset($this->data['request_headers']['php-auth-pw'])) {
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            $this->data['request_headers']['php-auth-pw'] = '******';
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        }
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        if (isset($this->data['request_server']['PHP_AUTH_PW'])) {
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            $this->data['request_server']['PHP_AUTH_PW'] = '******';
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        }
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        if (isset($this->data['request_request']['_password'])) {
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            $this->data['request_request']['_password'] = '******';
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        }
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        foreach ($this->data as $key => $value) {
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            if (!is_array($value)) {
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                continue;
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            }
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            if ('request_headers' === $key || 'response_headers' === $key) {
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                $value = array_map(function ($v) { return isset($v[0]) && !isset($v[1]) ? $v[0] : $v; }, $value);
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            }
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            if ('request_server' !== $key && 'request_cookies' !== $key) {
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                $this->data[$key] = $value;
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            }
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        }
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        if (isset($this->controllers[$request])) {
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            $controller = $this->controllers[$request];
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            if (is_array($controller)) {
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                try {
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                    $r = new \ReflectionMethod($controller[0], $controller[1]);
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                    $this->data['controller'] = array(
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                        'class' => is_object($controller[0]) ? get_class($controller[0]) : $controller[0],
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                        'method' => $controller[1],
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                        'file' => $r->getFileName(),
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                        'line' => $r->getStartLine(),
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                    );
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                } catch (\ReflectionException $e) {
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                    if (is_callable($controller)) {
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                        // using __call or  __callStatic
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                        $this->data['controller'] = array(
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                            'class' => is_object($controller[0]) ? get_class($controller[0]) : $controller[0],
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                            'method' => $controller[1],
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                            'file' => 'n/a',
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                            'line' => 'n/a',
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                        );
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                    }
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                }
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            } elseif ($controller instanceof \Closure) {
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                $r = new \ReflectionFunction($controller);
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                $this->data['controller'] = array(
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                    'class' => $r->getName(),
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                    'method' => null,
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                    'file' => $r->getFileName(),
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                    'line' => $r->getStartLine(),
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                );
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            } elseif (is_object($controller)) {
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                $r = new \ReflectionClass($controller);
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                $this->data['controller'] = array(
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                    'class' => $r->getName(),
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                    'method' => null,
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                    'file' => $r->getFileName(),
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                    'line' => $r->getStartLine(),
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                );
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            } else {
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                $this->data['controller'] = (string) $controller ?: 'n/a';
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            }
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            unset($this->controllers[$request]);
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        }
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    }
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    public function getPathInfo()
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    {
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        return $this->data['path_info'];
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    }
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    public function getRequestRequest()
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    {
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        return new ParameterBag($this->data['request_request']);
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    }
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    public function getRequestQuery()
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    {
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        return new ParameterBag($this->data['request_query']);
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    }
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    public function getRequestHeaders()
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    {
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        return new ParameterBag($this->data['request_headers']);
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    }
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    public function getRequestServer()
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    {
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        return new ParameterBag($this->data['request_server']);
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    }
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    public function getRequestCookies()
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    {
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        return new ParameterBag($this->data['request_cookies']);
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    }
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    public function getRequestAttributes()
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    {
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        return new ParameterBag($this->data['request_attributes']);
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    }
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    public function getResponseHeaders()
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    {
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        return new ParameterBag($this->data['response_headers']);
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    }
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    public function getSessionMetadata()
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    {
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        return $this->data['session_metadata'];
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    }
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    public function getSessionAttributes()
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    {
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        return $this->data['session_attributes'];
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    }
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    public function getFlashes()
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    {
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        return $this->data['flashes'];
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    }
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    public function getContent()
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    {
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        return $this->data['content'];
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    }
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    public function getContentType()
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    {
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        return $this->data['content_type'];
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    }
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    public function getStatusText()
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    {
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        return $this->data['status_text'];
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    }
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    public function getStatusCode()
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    {
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        return $this->data['status_code'];
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    }
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    public function getFormat()
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    {
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        return $this->data['format'];
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    }
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    public function getLocale()
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    {
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        return $this->data['locale'];
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    }
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    /**
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     * Gets the route name.
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     *
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     * The _route request attributes is automatically set by the Router Matcher.
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     *
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     * @return string The route
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     */
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    public function getRoute()
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    {
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        return isset($this->data['request_attributes']['_route']) ? $this->data['request_attributes']['_route'] : '';
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    }
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    /**
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     * Gets the route parameters.
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     *
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     * The _route_params request attributes is automatically set by the RouterListener.
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     *
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     * @return array The parameters
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     */
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    public function getRouteParams()
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    {
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        return isset($this->data['request_attributes']['_route_params']) ? $this->data['request_attributes']['_route_params'] : array();
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    }
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    /**
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     * Gets the controller.
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     *
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     * @return string The controller as a string
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     */
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    public function getController()
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    {
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        return $this->data['controller'];
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    }
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    public function onKernelController(FilterControllerEvent $event)
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    {
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        $this->controllers[$event->getRequest()] = $event->getController();
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    }
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    public static function getSubscribedEvents()
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    {
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        return array(KernelEvents::CONTROLLER => 'onKernelController');
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function getName()
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    {
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        return 'request';
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    }
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}
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