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<?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_XmlRpc
* @subpackage Client
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: ServerIntrospection.php 16971 2009-07-22 18:05:45Z mikaelkael $
*/
/**
* Wraps the XML-RPC system.* introspection methods
*
* @category Zend
* @package Zend_XmlRpc
* @subpackage Client
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_XmlRpc_Client_ServerIntrospection
{
/**
* @var Zend_XmlRpc_Client_ServerProxy
*/
private $_system = null;
/**
* @param Zend_XmlRpc_Client $client
*/
public function __construct(Zend_XmlRpc_Client $client)
{
$this->_system = $client->getProxy('system');
}
/**
* Returns the signature for each method on the server,
* autodetecting whether system.multicall() is supported and
* using it if so.
*
* @return array
*/
public function getSignatureForEachMethod()
{
$methods = $this->listMethods();
require_once 'Zend/XmlRpc/Client/FaultException.php';
try {
$signatures = $this->getSignatureForEachMethodByMulticall($methods);
} catch (Zend_XmlRpc_Client_FaultException $e) {
// degrade to looping
}
if (empty($signatures)) {
$signatures = $this->getSignatureForEachMethodByLooping($methods);
}
return $signatures;
}
/**
* Attempt to get the method signatures in one request via system.multicall().
* This is a boxcar feature of XML-RPC and is found on fewer servers. However,
* can significantly improve performance if present.
*
* @param array $methods
* @return array array(array(return, param, param, param...))
*/
public function getSignatureForEachMethodByMulticall($methods = null)
{
if ($methods === null) {
$methods = $this->listMethods();
}
$multicallParams = array();
foreach ($methods as $method) {
$multicallParams[] = array('methodName' => 'system.methodSignature',
'params' => array($method));
}
$serverSignatures = $this->_system->multicall($multicallParams);
if (! is_array($serverSignatures)) {
$type = gettype($serverSignatures);
$error = "Multicall return is malformed. Expected array, got $type";
require_once 'Zend/XmlRpc/Client/IntrospectException.php';
throw new Zend_XmlRpc_Client_IntrospectException($error);
}
if (count($serverSignatures) != count($methods)) {
$error = 'Bad number of signatures received from multicall';
require_once 'Zend/XmlRpc/Client/IntrospectException.php';
throw new Zend_XmlRpc_Client_IntrospectException($error);
}
// Create a new signatures array with the methods name as keys and the signature as value
$signatures = array();
foreach ($serverSignatures as $i => $signature) {
$signatures[$methods[$i]] = $signature;
}
return $signatures;
}
/**
* Get the method signatures for every method by
* successively calling system.methodSignature
*
* @param array $methods
* @return array
*/
public function getSignatureForEachMethodByLooping($methods = null)
{
if ($methods === null) {
$methods = $this->listMethods();
}
$signatures = array();
foreach ($methods as $method) {
$signatures[$method] = $this->getMethodSignature($method);
}
return $signatures;
}
/**
* Call system.methodSignature() for the given method
*
* @param array $method
* @return array array(array(return, param, param, param...))
*/
public function getMethodSignature($method)
{
$signature = $this->_system->methodSignature($method);
return $signature;
}
/**
* Call system.listMethods()
*
* @param array $method
* @return array array(method, method, method...)
*/
public function listMethods()
{
return $this->_system->listMethods();
}
}
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