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<?php |
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/** |
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* Fwk |
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* |
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* Copyright (c) 2011-2012, Julien Ballestracci <[email protected]>. |
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* All rights reserved. |
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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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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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* PHP Version 5.3 |
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* |
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* @category Core |
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* @package Fwk\Core |
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* @author Julien Ballestracci <[email protected]> |
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* @copyright 2011-2012 Julien Ballestracci <[email protected]> |
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License |
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* @link http://www.phpfwk.com |
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*/ |
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namespace Fwk\Core; |
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use Symfony\Component\HttpFoundation\Request, |
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Symfony\Component\HttpFoundation\Response; |
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/** |
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* Action Context |
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* |
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* This class represents the whole running context of a client's request. |
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* <pre> |
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* Client --> Request |
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* : | |
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* | Context | |
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* | : |
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* Response <-- Action |
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* </pre> |
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* |
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* @category Core |
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* @package Fwk\Core |
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* @author Julien Ballestracci <[email protected]> |
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License |
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* @link http://www.phpfwk.com |
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*/ |
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class Context |
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{ |
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const STATE_ERROR = -1; |
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const STATE_INIT = 0; |
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const STATE_READY = 1; |
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const STATE_EXECUTED = 2; |
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const STATE_DONE = 3; |
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/** |
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* Client request |
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* |
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* @var Request |
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*/ |
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protected $request; |
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/** |
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* Reponse to be sent to client |
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* |
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* @var Response |
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*/ |
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protected $response; |
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/** |
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* Current state |
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* |
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* @var integer |
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*/ |
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protected $state = self::STATE_INIT; |
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/** |
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* Description of current error |
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* |
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* @var string |
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*/ |
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protected $error; |
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/** |
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* Action's result returned by executed method |
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* (recommended: string) |
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* |
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* @var mixed |
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*/ |
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protected $result; |
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/** |
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* The parent context (if any) |
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* |
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* @var Context |
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*/ |
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protected $parent; |
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/** |
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* The action name |
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* |
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* @var string |
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*/ |
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protected $actionName; |
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/** |
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* Constructor |
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* |
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* @param Request $request Client's request |
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* @param Response $response Pre-defined return response |
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* |
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* @return void |
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*/ |
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public function __construct(Request $request, Response $response = null) |
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{ |
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$this->request = $request; |
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$this->response = $response; |
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} |
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/** |
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* Returns client's request |
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* |
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* @return Request |
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*/ |
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public function getRequest() |
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{ |
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return $this->request; |
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} |
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/** |
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* Returns Response if defined or null otherwise |
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* |
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* @return Response |
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*/ |
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public function getResponse() |
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{ |
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return $this->response; |
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} |
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/** |
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* Returns parent context (if any) |
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* |
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* @return Context |
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*/ |
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public function getParent() |
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{ |
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return $this->parent; |
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} |
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/** |
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* Defines a parent Context |
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* |
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* This usually happends when running multiples actions within a same |
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* request (modules, widgets ...) |
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* |
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* @param Context $context The parent context |
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* |
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* @return void |
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*/ |
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public function setParent(Context $context) |
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{ |
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$this->parent = $context; |
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} |
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/** |
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* Tells if a parent context is defined |
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* |
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* @return boolean |
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*/ |
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public function hasParent() |
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{ |
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return ($this->parent instanceof Context); |
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} |
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/** |
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* Returns a new parent Context |
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* |
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* @return Context |
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*/ |
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public function newParent() |
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{ |
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$ctx = new self($this->request); |
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$ctx->setParent($this); |
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return $ctx; |
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} |
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/** |
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* Tells if this context is ready (Action name is defined) |
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* |
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* @return boolean |
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*/ |
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public function isReady() |
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{ |
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return ($this->state >= self::STATE_READY); |
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} |
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/** |
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* Tells if this context encountered an error |
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* |
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* @return boolean |
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*/ |
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public function isError() |
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{ |
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return ($this->state === self::STATE_ERROR); |
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} |
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/** |
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* Tells if the context has been executed |
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* |
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* @return boolean |
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*/ |
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public function isExecuted() |
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{ |
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return ($this->state >= self::STATE_EXECUTED); |
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} |
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/** |
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* Tells if the context has ended execution and client's response |
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* has been defined |
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* |
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* @return boolean |
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*/ |
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public function isDone() |
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{ |
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return ($this->state >= self::STATE_DONE); |
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} |
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/** |
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* Sets a description of the error and toggle error state |
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* |
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* @param string $description Error description |
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* |
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* @see ContextEvents::ERROR |
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* @return void |
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*/ |
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public function setError($description) |
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{ |
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$this->error = $description; |
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$this->state = self::STATE_ERROR; |
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} |
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/** |
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* Returns the error description (if any) |
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* |
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* @return string |
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*/ |
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public function getError() |
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{ |
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return $this->error; |
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} |
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/** |
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* Sets state to executed and store result |
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* |
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* @param mixed $result Action's result (recommended: string) |
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* |
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* @see ContextEvents::EXECUTED |
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* @return void |
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*/ |
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public function setResult($result) |
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{ |
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$this->state = self::STATE_EXECUTED; |
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$this->result = $result; |
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} |
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/** |
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* Defines response and sets state to Done. |
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* |
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* @param Response $response Client response |
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* |
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* @see ContextEvents::RESPONSE |
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* @return void |
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*/ |
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public function setResponse(Response $response) |
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{ |
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$this->state = self::STATE_DONE; |
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$this->response = $response; |
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} |
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/** |
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* |
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* @return integer |
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*/ |
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public function getState() |
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{ |
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return $this->state; |
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} |
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/** |
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* |
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* @return mixed |
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*/ |
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public function getResult() |
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{ |
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return $this->result; |
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} |
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public function getActionName() |
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{ |
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return $this->actionName; |
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} |
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public function setActionName($actionName) |
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{ |
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if ($actionName !== false) { |
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$this->actionName = $actionName; |
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if (!empty($actionName)) { |
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$this->state = self::STATE_READY; |
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} |
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} else { |
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$this->setError('No action found'); |
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} |
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} |
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} |
This check looks for
@param
annotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.