481 lines
11 KiB
PHP
481 lines
11 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Json
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* @subpackage Server
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Smd.php 16541 2009-07-07 06:59:03Z bkarwin $
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*/
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/**
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* @category Zend
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* @package Zend_Json
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* @subpackage Server
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Json_Server_Smd
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{
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const ENV_JSONRPC_1 = 'JSON-RPC-1.0';
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const ENV_JSONRPC_2 = 'JSON-RPC-2.0';
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const SMD_VERSION = '2.0';
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/**
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* Content type
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* @var string
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*/
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protected $_contentType = 'application/json';
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/**
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* Content type regex
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* @var string
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*/
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protected $_contentTypeRegex = '#[a-z]+/[a-z][a-z-]+#i';
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/**
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* Service description
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* @var string
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*/
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protected $_description;
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/**
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* Generate Dojo-compatible SMD
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* @var bool
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*/
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protected $_dojoCompatible = false;
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/**
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* Current envelope
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* @var string
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*/
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protected $_envelope = self::ENV_JSONRPC_1;
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/**
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* Allowed envelope types
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* @var array
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*/
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protected $_envelopeTypes = array(
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self::ENV_JSONRPC_1,
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self::ENV_JSONRPC_2,
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);
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/**
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* Service id
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* @var string
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*/
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protected $_id;
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/**
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* Services offerred
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* @var array
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*/
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protected $_services = array();
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/**
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* Service target
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* @var string
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*/
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protected $_target;
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/**
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* Global transport
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* @var string
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*/
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protected $_transport = 'POST';
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/**
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* Allowed transport types
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* @var array
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*/
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protected $_transportTypes = array('POST');
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/**
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* Set object state via options
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*
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* @param array $options
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* @return Zend_Json_Server_Smd
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*/
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public function setOptions(array $options)
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{
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$methods = get_class_methods($this);
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foreach ($options as $key => $value) {
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$method = 'set' . ucfirst($key);
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if (in_array($method, $methods)) {
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$this->$method($value);
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}
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}
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return $this;
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}
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/**
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* Set transport
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*
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* @param string $transport
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* @return Zend_Json_Server_Smd
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*/
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public function setTransport($transport)
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{
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if (!in_array($transport, $this->_transportTypes)) {
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require_once 'Zend/Json/Server/Exception.php';
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throw new Zend_Json_Server_Exception(sprintf('Invalid transport "%s" specified', $transport));
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}
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$this->_transport = $transport;
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return $this;
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}
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/**
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* Get transport
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*
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* @return string
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*/
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public function getTransport()
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{
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return $this->_transport;
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}
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/**
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* Set envelope
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*
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* @param string $envelopeType
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* @return Zend_Json_Server_Smd
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*/
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public function setEnvelope($envelopeType)
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{
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if (!in_array($envelopeType, $this->_envelopeTypes)) {
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require_once 'Zend/Json/Server/Exception.php';
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throw new Zend_Json_Server_Exception(sprintf('Invalid envelope type "%s"', $envelopeType));
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}
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$this->_envelope = $envelopeType;
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return $this;
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}
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/**
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* Retrieve envelope
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*
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* @return string
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*/
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public function getEnvelope()
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{
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return $this->_envelope;
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}
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// Content-Type of response; default to application/json
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/**
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* Set content type
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*
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* @param string $type
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* @return Zend_Json_Server_Smd
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*/
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public function setContentType($type)
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{
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if (!preg_match($this->_contentTypeRegex, $type)) {
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require_once 'Zend/Json/Server/Exception.php';
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throw new Zend_Json_Server_Exception(sprintf('Invalid content type "%s" specified', $type));
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}
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$this->_contentType = $type;
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return $this;
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}
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/**
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* Retrieve content type
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*
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* @return string
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*/
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public function getContentType()
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{
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return $this->_contentType;
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}
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/**
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* Set service target
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*
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* @param string $target
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* @return Zend_Json_Server_Smd
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*/
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public function setTarget($target)
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{
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$this->_target = (string) $target;
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return $this;
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}
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/**
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* Retrieve service target
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*
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* @return string
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*/
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public function getTarget()
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{
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return $this->_target;
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}
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/**
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* Set service ID
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*
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* @param string $Id
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* @return Zend_Json_Server_Smd
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*/
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public function setId($id)
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{
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$this->_id = (string) $id;
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return $this->_id;
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}
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/**
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* Get service id
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*
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* @return string
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*/
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public function getId()
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{
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return $this->_id;
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}
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/**
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* Set service description
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*
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* @param string $description
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* @return Zend_Json_Server_Smd
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*/
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public function setDescription($description)
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{
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$this->_description = (string) $description;
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return $this->_description;
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}
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/**
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* Get service description
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*
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* @return string
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*/
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public function getDescription()
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{
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return $this->_description;
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}
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/**
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* Indicate whether or not to generate Dojo-compatible SMD
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*
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* @param bool $flag
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* @return Zend_Json_Server_Smd
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*/
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public function setDojoCompatible($flag)
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{
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$this->_dojoCompatible = (bool) $flag;
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return $this;
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}
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/**
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* Is this a Dojo compatible SMD?
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*
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* @return bool
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*/
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public function isDojoCompatible()
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{
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return $this->_dojoCompatible;
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}
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/**
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* Add Service
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*
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* @param Zend_Json_Server_Smd_Service|array $service
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* @return void
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*/
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public function addService($service)
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{
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require_once 'Zend/Json/Server/Smd/Service.php';
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if ($service instanceof Zend_Json_Server_Smd_Service) {
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$name = $service->getName();
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} elseif (is_array($service)) {
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$service = new Zend_Json_Server_Smd_Service($service);
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$name = $service->getName();
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} else {
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require_once 'Zend/Json/Server/Exception.php';
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throw new Zend_Json_Server_Exception('Invalid service passed to addService()');
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}
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if (array_key_exists($name, $this->_services)) {
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require_once 'Zend/Json/Server/Exception.php';
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throw new Zend_Json_Server_Exception('Attempt to register a service already registered detected');
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}
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$this->_services[$name] = $service;
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return $this;
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}
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/**
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* Add many services
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*
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* @param array $services
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* @return Zend_Json_Server_Smd
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*/
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public function addServices(array $services)
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{
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foreach ($services as $service) {
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$this->addService($service);
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}
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return $this;
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}
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/**
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* Overwrite existing services with new ones
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*
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* @param array $services
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* @return Zend_Json_Server_Smd
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*/
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public function setServices(array $services)
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{
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$this->_services = array();
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return $this->addServices($services);
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}
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/**
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* Get service object
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*
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* @param string $name
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* @return false|Zend_Json_Server_Smd_Service
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*/
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public function getService($name)
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{
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if (array_key_exists($name, $this->_services)) {
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return $this->_services[$name];
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}
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return false;
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}
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/**
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* Return services
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*
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* @return array
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*/
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public function getServices()
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{
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return $this->_services;
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}
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/**
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* Remove service
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*
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* @param string $name
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* @return boolean
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*/
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public function removeService($name)
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{
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if (array_key_exists($name, $this->_services)) {
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unset($this->_services[$name]);
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return true;
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}
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return false;
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}
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/**
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* Cast to array
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*
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* @return array
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*/
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public function toArray()
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{
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if ($this->isDojoCompatible()) {
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return $this->toDojoArray();
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}
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$transport = $this->getTransport();
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$envelope = $this->getEnvelope();
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$contentType = $this->getContentType();
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$SMDVersion = self::SMD_VERSION;
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$service = compact('transport', 'envelope', 'contentType', 'SMDVersion');
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if (null !== ($target = $this->getTarget())) {
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$service['target'] = $target;
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}
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if (null !== ($id = $this->getId())) {
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$service['id'] = $id;
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}
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$services = $this->getServices();
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if (!empty($services)) {
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$service['services'] = array();
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foreach ($services as $name => $svc) {
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$svc->setEnvelope($envelope);
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$service['services'][$name] = $svc->toArray();
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}
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$service['methods'] = $service['services'];
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}
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return $service;
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}
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/**
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* Export to DOJO-compatible SMD array
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*
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* @return array
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*/
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public function toDojoArray()
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{
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$SMDVersion = '.1';
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$serviceType = 'JSON-RPC';
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$service = compact('SMDVersion', 'serviceType');
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$target = $this->getTarget();
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$services = $this->getServices();
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if (!empty($services)) {
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$service['methods'] = array();
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foreach ($services as $name => $svc) {
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$method = array(
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'name' => $name,
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'serviceURL' => $target,
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);
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$params = array();
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foreach ($svc->getParams() as $param) {
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$paramName = array_key_exists('name', $param) ? $param['name'] : $param['type'];
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$params[] = array(
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'name' => $paramName,
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'type' => $param['type'],
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);
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}
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if (!empty($params)) {
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$method['parameters'] = $params;
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}
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$service['methods'][] = $method;
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}
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}
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return $service;
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}
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/**
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* Cast to JSON
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*
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* @return string
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*/
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public function toJson()
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{
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require_once 'Zend/Json.php';
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return Zend_Json::encode($this->toArray());
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}
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/**
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* Cast to string (JSON)
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*
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* @return string
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*/
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public function __toString()
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{
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return $this->toJson();
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}
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}
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