<?php
/**
* Callbacks.php - Jaxon request callbacks
*
* @package jaxon-core
* @author Thierry Feuzeu <thierry.feuzeu@gmail.com>
* @copyright 2017 Thierry Feuzeu <thierry.feuzeu@gmail.com>
* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @link https://github.com/jaxon-php/jaxon-core
*/
namespace Jaxon\Request\Handler;
class Callback
{
/**
* The callback to run before processing the request
*
* @var callable
*/
protected $xBeforeCallback = null;
/**
* The callback to run afteer processing the request
*
* @var callable
*/
protected $xAfterCallback = null;
/**
* The callback to run in case of invalid request
*
* @var callable
*/
protected $xInvalidCallback = null;
/**
* The callback to run in case of error
*
* @var callable
*/
protected $xErrorCallback = null;
/**
* The callback to run when a class is instanciated
*
* @var callable
*/
protected $xInitCallback = null;
/**
* Get or set the pre-request processing callback.
*
* @param callable|null $xCallable The callback function
*
* @return Callback|callable
*/
public function before($xCallable = null)
{
if($xCallable === null)
{
return $this->xBeforeCallback;
}
$this->xBeforeCallback = $xCallable;
return $this;
}
/**
* Get or set the post-request processing callback.
*
* @param callable|null $xCallable The callback function
*
* @return Callback|callable
*/
public function after($xCallable = null)
{
if($xCallable === null)
{
return $this->xAfterCallback;
}
$this->xAfterCallback = $xCallable;
return $this;
}
/**
* Get or set the invalid request callback.
*
* @param callable|null $xCallable The callback function
*
* @return Callback|callable
*/
public function invalid($xCallable = null)
{
if($xCallable === null)
{
return $this->xInvalidCallback;
}
$this->xInvalidCallback = $xCallable;
return $this;
}
/**
* Get or set the processing error callback.
*
* @param callable|null $xCallable The callback function
*
* @return Callback|callable
*/
public function error($xCallable = null)
{
if($xCallable === null)
{
return $this->xErrorCallback;
}
$this->xErrorCallback = $xCallable;
return $this;
}
/**
* Get or set the class initialisation callback.
*
* @param callable|null $xCallable The callback function
*
* @return Callback|callable
*/
public function init($xCallable = null)
{
if($xCallable === null)
{
return $this->xInitCallback;
}
$this->xInitCallback = $xCallable;
return $this;
}
}
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