<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Server
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Definition.php 24594 2012-01-05 21:27:01Z matthew $
*/
/**
* Server methods metadata
*
* @todo Implement iterator
* @category Zend
* @package Zend_Server
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Server_Definition implements Countable, Iterator
{
/**
* @var array Array of Zend_Server_Method_Definition objects
*/
protected $_methods = array();
/**
* @var bool Whether or not overwriting existing methods is allowed
*/
protected $_overwriteExistingMethods = false;
/**
* Constructor
*
* @param null|array $methods
* @return void
*/
public function __construct($methods = null)
{
if (is_array($methods)) {
$this->setMethods($methods);
}
}
/**
* Set flag indicating whether or not overwriting existing methods is allowed
*
* @param mixed $flag
* @return void
*/
public function setOverwriteExistingMethods($flag)
{
$this->_overwriteExistingMethods = (bool) $flag;
return $this;
}
/**
* Add method to definition
*
* @param array|Zend_Server_Method_Definition $method
* @param null|string $name
* @return Zend_Server_Definition
* @throws Zend_Server_Exception if duplicate or invalid method provided
*/
public function addMethod($method, $name = null)
{
if (is_array($method)) {
require_once 'Zend/Server/Method/Definition.php';
$method = new Zend_Server_Method_Definition($method);
} elseif (!$method instanceof Zend_Server_Method_Definition) {
require_once 'Zend/Server/Exception.php';
throw new Zend_Server_Exception('Invalid method provided');
}
if (is_numeric($name)) {
$name = null;
}
if (null !== $name) {
$method->setName($name);
} else {
$name = $method->getName();
}
if (null === $name) {
require_once 'Zend/Server/Exception.php';
throw new Zend_Server_Exception('No method name provided');
}
if (!$this->_overwriteExistingMethods && array_key_exists($name, $this->_methods)) {
require_once 'Zend/Server/Exception.php';
throw new Zend_Server_Exception(sprintf('Method by name of "%s" already exists', $name));
}
$this->_methods[$name] = $method;
return $this;
}
/**
* Add multiple methods
*
* @param array $methods Array of Zend_Server_Method_Definition objects or arrays
* @return Zend_Server_Definition
*/
public function addMethods(array $methods)
{
foreach ($methods as $key => $method) {
$this->addMethod($method, $key);
}
return $this;
}
/**
* Set all methods at once (overwrite)
*
* @param array $methods Array of Zend_Server_Method_Definition objects or arrays
* @return Zend_Server_Definition
*/
public function setMethods(array $methods)
{
$this->clearMethods();
$this->addMethods($methods);
return $this;
}
/**
* Does the definition have the given method?
*
* @param string $method
* @return bool
*/
public function hasMethod($method)
{
return array_key_exists($method, $this->_methods);
}
/**
* Get a given method definition
*
* @param string $method
* @return null|Zend_Server_Method_Definition
*/
public function getMethod($method)
{
if ($this->hasMethod($method)) {
return $this->_methods[$method];
}
return false;
}
/**
* Get all method definitions
*
* @return array Array of Zend_Server_Method_Definition objects
*/
public function getMethods()
{
return $this->_methods;
}
/**
* Remove a method definition
*
* @param string $method
* @return Zend_Server_Definition
*/
public function removeMethod($method)
{
if ($this->hasMethod($method)) {
unset($this->_methods[$method]);
}
return $this;
}
/**
* Clear all method definitions
*
* @return Zend_Server_Definition
*/
public function clearMethods()
{
$this->_methods = array();
return $this;
}
/**
* Cast definition to an array
*
* @return array
*/
public function toArray()
{
$methods = array();
foreach ($this->getMethods() as $key => $method) {
$methods[$key] = $method->toArray();
}
return $methods;
}
/**
* Countable: count of methods
*
* @return int
*/
public function count()
{
return count($this->_methods);
}
/**
* Iterator: current item
*
* @return mixed
*/
public function current()
{
return current($this->_methods);
}
/**
* Iterator: current item key
*
* @return int|string
*/
public function key()
{
return key($this->_methods);
}
/**
* Iterator: advance to next method
*
* @return void
*/
public function next()
{
return next($this->_methods);
}
/**
* Iterator: return to first method
*
* @return void
*/
public function rewind()
{
return reset($this->_methods);
}
/**
* Iterator: is the current index valid?
*
* @return bool
*/
public function valid()
{
return (bool) $this->current();
}
}