<?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_Json
* @subpackage Server
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
/**
* @category Zend
* @package Zend_Json
* @subpackage Server
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Json_Server_Smd
{
const ENV_JSONRPC_1 = 'JSON-RPC-1.0';
const ENV_JSONRPC_2 = 'JSON-RPC-2.0';
const SMD_VERSION = '2.0';
/**
* Content type
* @var string
*/
protected $_contentType = 'application/json';
/**
* Content type regex
* @var string
*/
protected $_contentTypeRegex = '#[a-z]+/[a-z][a-z-]+#i';
/**
* Service description
* @var string
*/
protected $_description;
/**
* Generate Dojo-compatible SMD
* @var bool
*/
protected $_dojoCompatible = false;
/**
* Current envelope
* @var string
*/
protected $_envelope = self::ENV_JSONRPC_1;
/**
* Allowed envelope types
* @var array
*/
protected $_envelopeTypes = array(
self::ENV_JSONRPC_1,
self::ENV_JSONRPC_2,
);
/**
* Service id
* @var string
*/
protected $_id;
/**
* Services offerred
* @var array
*/
protected $_services = array();
/**
* Service target
* @var string
*/
protected $_target;
/**
* Global transport
* @var string
*/
protected $_transport = 'POST';
/**
* Allowed transport types
* @var array
*/
protected $_transportTypes = array('POST');
/**
* Set object state via options
*
* @param array $options
* @return Zend_Json_Server_Smd
*/
public function setOptions(array $options)
{
$methods = get_class_methods($this);
foreach ($options as $key => $value) {
$method = 'set' . ucfirst($key);
if (in_array($method, $methods)) {
$this->$method($value);
}
}
return $this;
}
/**
* Set transport
*
* @param string $transport
* @return Zend_Json_Server_Smd
*/
public function setTransport($transport)
{
if (!in_array($transport, $this->_transportTypes)) {
require_once 'Zend/Json/Server/Exception.php';
throw new Zend_Json_Server_Exception(sprintf('Invalid transport "%s" specified', $transport));
}
$this->_transport = $transport;
return $this;
}
/**
* Get transport
*
* @return string
*/
public function getTransport()
{
return $this->_transport;
}
/**
* Set envelope
*
* @param string $envelopeType
* @return Zend_Json_Server_Smd
*/
public function setEnvelope($envelopeType)
{
if (!in_array($envelopeType, $this->_envelopeTypes)) {
require_once 'Zend/Json/Server/Exception.php';
throw new Zend_Json_Server_Exception(sprintf('Invalid envelope type "%s"', $envelopeType));
}
$this->_envelope = $envelopeType;
return $this;
}
/**
* Retrieve envelope
*
* @return string
*/
public function getEnvelope()
{
return $this->_envelope;
}
// Content-Type of response; default to application/json
/**
* Set content type
*
* @param string $type
* @return Zend_Json_Server_Smd
*/
public function setContentType($type)
{
if (!preg_match($this->_contentTypeRegex, $type)) {
require_once 'Zend/Json/Server/Exception.php';
throw new Zend_Json_Server_Exception(sprintf('Invalid content type "%s" specified', $type));
}
$this->_contentType = $type;
return $this;
}
/**
* Retrieve content type
*
* @return string
*/
public function getContentType()
{
return $this->_contentType;
}
/**
* Set service target
*
* @param string $target
* @return Zend_Json_Server_Smd
*/
public function setTarget($target)
{
$this->_target = (string) $target;
return $this;
}
/**
* Retrieve service target
*
* @return string
*/
public function getTarget()
{
return $this->_target;
}
/**
* Set service ID
*
* @param string $Id
* @return Zend_Json_Server_Smd
*/
public function setId($id)
{
$this->_id = (string) $id;
return $this->_id;
}
/**
* Get service id
*
* @return string
*/
public function getId()
{
return $this->_id;
}
/**
* Set service description
*
* @param string $description
* @return Zend_Json_Server_Smd
*/
public function setDescription($description)
{
$this->_description = (string) $description;
return $this->_description;
}
/**
* Get service description
*
* @return string
*/
public function getDescription()
{
return $this->_description;
}
/**
* Indicate whether or not to generate Dojo-compatible SMD
*
* @param bool $flag
* @return Zend_Json_Server_Smd
*/
public function setDojoCompatible($flag)
{
$this->_dojoCompatible = (bool) $flag;
return $this;
}
/**
* Is this a Dojo compatible SMD?
*
* @return bool
*/
public function isDojoCompatible()
{
return $this->_dojoCompatible;
}
/**
* Add Service
*
* @param Zend_Json_Server_Smd_Service|array $service
* @return void
*/
public function addService($service)
{
require_once 'Zend/Json/Server/Smd/Service.php';
if ($service instanceof Zend_Json_Server_Smd_Service) {
$name = $service->getName();
} elseif (is_array($service)) {
$service = new Zend_Json_Server_Smd_Service($service);
$name = $service->getName();
} else {
require_once 'Zend/Json/Server/Exception.php';
throw new Zend_Json_Server_Exception('Invalid service passed to addService()');
}
if (array_key_exists($name, $this->_services)) {
require_once 'Zend/Json/Server/Exception.php';
throw new Zend_Json_Server_Exception('Attempt to register a service already registered detected');
}
$this->_services[$name] = $service;
return $this;
}
/**
* Add many services
*
* @param array $services
* @return Zend_Json_Server_Smd
*/
public function addServices(array $services)
{
foreach ($services as $service) {
$this->addService($service);
}
return $this;
}
/**
* Overwrite existing services with new ones
*
* @param array $services
* @return Zend_Json_Server_Smd
*/
public function setServices(array $services)
{
$this->_services = array();
return $this->addServices($services);
}
/**
* Get service object
*
* @param string $name
* @return false|Zend_Json_Server_Smd_Service
*/
public function getService($name)
{
if (array_key_exists($name, $this->_services)) {
return $this->_services[$name];
}
return false;
}
/**
* Return services
*
* @return array
*/
public function getServices()
{
return $this->_services;
}
/**
* Remove service
*
* @param string $name
* @return boolean
*/
public function removeService($name)
{
if (array_key_exists($name, $this->_services)) {
unset($this->_services[$name]);
return true;
}
return false;
}
/**
* Cast to array
*
* @return array
*/
public function toArray()
{
if ($this->isDojoCompatible()) {
return $this->toDojoArray();
}
$transport = $this->getTransport();
$envelope = $this->getEnvelope();
$contentType = $this->getContentType();
$SMDVersion = self::SMD_VERSION;
$service = compact('transport', 'envelope', 'contentType', 'SMDVersion');
if (null !== ($target = $this->getTarget())) {
$service['target'] = $target;
}
if (null !== ($id = $this->getId())) {
$service['id'] = $id;
}
$services = $this->getServices();
if (!empty($services)) {
$service['services'] = array();
foreach ($services as $name => $svc) {
$svc->setEnvelope($envelope);
$service['services'][$name] = $svc->toArray();
}
$service['methods'] = $service['services'];
}
return $service;
}
/**
* Export to DOJO-compatible SMD array
*
* @return array
*/
public function toDojoArray()
{
$SMDVersion = '.1';
$serviceType = 'JSON-RPC';
$service = compact('SMDVersion', 'serviceType');
$target = $this->getTarget();
$services = $this->getServices();
if (!empty($services)) {
$service['methods'] = array();
foreach ($services as $name => $svc) {
$method = array(
'name' => $name,
'serviceURL' => $target,
);
$params = array();
foreach ($svc->getParams() as $param) {
$paramName = array_key_exists('name', $param) ? $param['name'] : $param['type'];
$params[] = array(
'name' => $paramName,
'type' => $param['type'],
);
}
if (!empty($params)) {
$method['parameters'] = $params;
}
$service['methods'][] = $method;
}
}
return $service;
}
/**
* Cast to JSON
*
* @return string
*/
public function toJson()
{
require_once 'Zend/Json.php';
return Zend_Json::encode($this->toArray());
}
/**
* Cast to string (JSON)
*
* @return string
*/
public function __toString()
{
return $this->toJson();
}
}