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<?php
/**
* @see https://github.com/laminas/laminas-server for the canonical source repository
*/
namespace Laminas\Server\Method;
use Laminas\Server;
use function in_array;
use function is_array;
use function is_object;
use function method_exists;
use function sprintf;
use function ucfirst;
/**
* Method callback metadata
*/
class Callback
{
/** @var string Class name for class method callback */
protected $class;
/** @var string|callable Function name or callable for function callback */
protected $function;
/** @var string Method name for class method callback */
protected $method;
/** @var string Callback type */
protected $type;
/** @var array Valid callback types */
protected $types = ['function', 'static', 'instance'];
/**
* Constructor
*
* @param null|array $options
*/
public function __construct($options = null)
{
if (is_array($options)) {
$this->setOptions($options);
}
}
/**
* Set object state from array of options
*
* @param array $options
* @return Callback
*/
public function setOptions(array $options)
{
foreach ($options as $key => $value) {
$method = 'set' . ucfirst($key);
if (method_exists($this, $method)) {
$this->$method($value);
}
}
return $this;
}
/**
* Set callback class
*
* @param string $class
* @return Callback
*/
public function setClass($class)
{
if (is_object($class)) {
$class = $class::class;
}
$this->class = $class;
return $this;
}
/**
* Get callback class
*
* @return string|null
*/
public function getClass()
{
return $this->class;
}
/**
* Set callback function
*
* @param string|callable $function
* @return Callback
*/
public function setFunction($function)
{
$this->function = $function;
$this->setType('function');
return $this;
}
/**
* Get callback function
*
* @return null|string|callable
*/
public function getFunction()
{
return $this->function;
}
/**
* Set callback class method
*
* @param string $method
* @return Callback
*/
public function setMethod($method)
{
$this->method = $method;
return $this;
}
/**
* Get callback class method
*
* @return null|string
*/
public function getMethod()
{
return $this->method;
}
/**
* Set callback type
*
* @param string $type
* @return Callback
* @throws Server\Exception\InvalidArgumentException
*/
public function setType($type)
{
if (! in_array($type, $this->types)) {
throw new Server\Exception\InvalidArgumentException(sprintf(
'Invalid method callback type "%s" passed to %s',
$type,
__METHOD__
));
}
$this->type = $type;
return $this;
}
/**
* Get callback type
*
* @return string
*/
public function getType()
{
return $this->type;
}
/**
* Cast callback to array
*
* @return array
*/
public function toArray()
{
$type = $this->getType();
$array = [
'type' => $type,
];
if ('function' === $type) {
$array['function'] = $this->getFunction();
} else {
$array['class'] = $this->getClass();
$array['method'] = $this->getMethod();
}
return $array;
}
}