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<?php |
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/** |
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* AppserverIo\Routlt\DispatchAction |
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* |
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* NOTICE OF LICENSE |
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* |
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* This source file is subject to the Open Software License (OSL 3.0) |
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* that is available through the world-wide-web at this URL: |
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* http://opensource.org/licenses/osl-3.0.php |
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* |
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* PHP version 5 |
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* |
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* @author Tim Wagner <[email protected]> |
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* @copyright 2015 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link http://github.com/appserver-io/routlt |
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* @link http://www.appserver.io |
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*/ |
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namespace AppserverIo\Routlt; |
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use AppserverIo\Routlt\Util\ContextKeys; |
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use AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface; |
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use AppserverIo\Psr\Servlet\Http\HttpServletResponseInterface; |
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/** |
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* This class implements the functionality to invoke a method on its subclass specified |
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* by the HTTPServletRequest path info. |
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* |
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* @author Tim Wagner <[email protected]> |
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* @copyright 2015 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link http://github.com/appserver-io/routlt |
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* @link http://www.appserver.io |
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*/ |
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abstract class DispatchAction extends BaseAction implements DispatchActionInterface |
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{ |
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/** |
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* The default action method suffix. |
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* |
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* @var string |
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*/ |
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const ACTION_SUFFIX = 'Action'; |
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/** |
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* Holds the name of the default method to invoke if the parameter with the method name to invoke is not specified. |
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* |
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* @var string |
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*/ |
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const DEFAULT_METHOD_NAME = 'index'; |
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/** |
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* The servlet request instance. |
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* |
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* @var \AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface |
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*/ |
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protected $servletRequest; |
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/** |
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* The servlet response instance. |
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* |
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* @var \AppserverIo\Psr\Servlet\Http\HttpServletResponseInterface |
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*/ |
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protected $servletResponse; |
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/** |
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* Implemented to comply witht the interface. |
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* |
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* @param \AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface $servletRequest The request instance |
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* @param \AppserverIo\Psr\Servlet\Http\HttpServletResponseInterface $servletResponse The response instance |
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* |
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* @return string|null The action result |
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*/ |
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public function perform(HttpServletRequestInterface $servletRequest, HttpServletResponseInterface $servletResponse) |
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{ |
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// set servlet request/response |
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$this->setServletRequest($servletRequest); |
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$this->setServletResponse($servletResponse); |
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// load the requested method name from the context |
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$methodName = $this->getAttribute(ContextKeys::METHOD_NAME); |
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// invoke the requested action method |
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return $this->$methodName($servletRequest, $servletResponse); |
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} |
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/** |
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* This method returns the default method name we'll invoke if the path info doesn't contain |
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* the method name, that'll be the second element, when we explode the path info with a slash. |
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* |
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* @return string The default action method name that has to be invoked |
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*/ |
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public function getDefaultMethod() |
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{ |
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return $this->getActionSuffix(DispatchAction::DEFAULT_METHOD_NAME); |
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} |
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/** |
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* This method returns the action suffix, or prepends the action suffix to the passed action |
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* method name and returns it. |
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* |
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* @param string $requestedMethodName The action method name to append the suffix to |
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* |
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* @return string The action suffix or the action method name, prepended with the action suffix |
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*/ |
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protected function getActionSuffix($requestedMethodName) |
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{ |
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return $requestedMethodName . DispatchAction::ACTION_SUFFIX; |
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} |
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/** |
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* Sets the servlet request instance. |
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* |
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* @param \AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface $servletRequest The request instance |
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* |
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* @return void |
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*/ |
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public function setServletRequest(HttpServletRequestInterface $servletRequest) |
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{ |
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$this->servletRequest = $servletRequest; |
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} |
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/** |
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* Sets the servlet response instance. |
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* |
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* @param \AppserverIo\Psr\Servlet\Http\HttpServletResponseInterface $servletResponse The request instance |
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* |
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* @return void |
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*/ |
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public function setServletResponse(HttpServletResponseInterface $servletResponse) |
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{ |
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$this->servletResponse = $servletResponse; |
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} |
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/** |
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* Returns the servlet response instance. |
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* |
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* @return \AppserverIo\Psr\Servlet\Http\HttpServletRequestInterface The request instance |
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*/ |
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public function getServletRequest() |
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{ |
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return $this->servletRequest; |
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} |
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/** |
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* Returns the servlet request instance. |
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* |
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* @return \AppserverIo\Psr\Servlet\Http\HttpServletResponseInterface The response instance |
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*/ |
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public function getServletResponse() |
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{ |
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return $this->servletResponse; |
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} |
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} |
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