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<?php
namespace dokuwiki\Action\Exception;
/**
* Class ActionException
*
* This exception and its subclasses signal that the current action should be
* aborted and a different action should be used instead. The new action can
* be given as parameter in the constructor. Defaults to 'show'
*
* The message will NOT be shown to the enduser
*
* @package dokuwiki\Action\Exception
*/
class ActionException extends \Exception {
/** @var string the new action */
protected $newaction;
/** @var bool should the exception's message be shown to the user? */
protected $displayToUser = false;
/**
* ActionException constructor.
*
* When no new action is given 'show' is assumed. For requests that originated in a POST,
* a 'redirect' is used which will cause a redirect to the 'show' action.
*
* @param string|null $newaction the action that should be used next
* @param string $message optional message, will not be shown except for some dub classes
*/
public function __construct($newaction = null, $message = '') {
global $INPUT;
parent::__construct($message);
if(is_null($newaction)) {
if(strtolower($INPUT->server->str('REQUEST_METHOD')) == 'post') {
$newaction = 'redirect';
} else {
$newaction = 'show';
}
}
$this->newaction = $newaction;
}
/**
* Returns the action to use next
*
* @return string
*/
public function getNewAction() {
return $this->newaction;
}
/**
* Should this Exception's message be shown to the user?
*
* @param null|bool $set when null is given, the current setting is not changed
* @return bool
*/
public function displayToUser($set = null) {
if(!is_null($set)) $this->displayToUser = $set;
return $set;
}
}
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