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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_Json
  * @subpackage Server
  * @copyright  Copyright (c) 2005-2015 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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Json_Server_Response
 {
     /**
      * Response error
      * @var null|Zend_Json_Server_Error
      */
     protected $_error;
 
     /**
      * Request ID
      * @var mixed
      */
     protected $_id;
 
     /**
      * Result
      * @var mixed
      */
     protected $_result;
 
     /**
      * Service map
      * @var Zend_Json_Server_Smd
      */
     protected $_serviceMap;
 
     /**
      * JSON-RPC version
      * @var string
      */
     protected $_version;
 
     /**
      * Set result
      *
      * @param  mixed $value
      * @return Zend_Json_Server_Response
      */
     public function setResult($value)
     {
         $this->_result = $value;
         return $this;
     }
 
     /**
      * Get result
      *
      * @return mixed
      */
     public function getResult()
     {
         return $this->_result;
     }
 
     // RPC error, if response results in fault
     /**
      * Set result error
      *
      * @param  Zend_Json_Server_Error $error
      * @return Zend_Json_Server_Response
      */
     public function setError(Zend_Json_Server_Error $error)
     {
         $this->_error = $error;
         return $this;
     }
 
     /**
      * Get response error
      *
      * @return null|Zend_Json_Server_Error
      */
     public function getError()
     {
         return $this->_error;
     }
 
     /**
      * Is the response an error?
      *
      * @return bool
      */
     public function isError()
     {
         return $this->getError() instanceof Zend_Json_Server_Error;
     }
 
     /**
      * Set request ID
      *
      * @param  mixed $name
      * @return Zend_Json_Server_Response
      */
     public function setId($name)
     {
         $this->_id = $name;
         return $this;
     }
 
     /**
      * Get request ID
      *
      * @return mixed
      */
     public function getId()
     {
         return $this->_id;
     }
 
     /**
      * Set JSON-RPC version
      *
      * @param  string $version
      * @return Zend_Json_Server_Response
      */
     public function setVersion($version)
     {
         $version = is_array($version)
             ? implode(' ', $version)
             : $version;
         if ((string)$version == '2.0') {
             $this->_version = '2.0';
         } else {
             $this->_version = null;
         }
         return $this;
     }
 
     /**
      * Retrieve JSON-RPC version
      *
      * @return string
      */
     public function getVersion()
     {
         return $this->_version;
     }
 
     /**
      * Cast to JSON
      *
      * @return string
      */
     public function toJson()
     {
         if ($this->isError()) {
             $response = array(
                 'error'  => $this->getError()->toArray(),
                 'id'     => $this->getId(),
             );
         } else {
             $response = array(
                 'result' => $this->getResult(),
                 'id'     => $this->getId(),
             );
         }
 
         if (null !== ($version = $this->getVersion())) {
             $response['jsonrpc'] = $version;
         }
 
         // require_once 'Zend/Json.php';
         return Zend_Json::encode($response);
     }
 
     /**
      * Retrieve args
      *
      * @return mixed
      */
     public function getArgs()
     {
         return $this->_args;
     }
 
     /**
      * Set args
      *
      * @param mixed $args
      * @return self
      */
     public function setArgs($args)
     {
         $this->_args = $args;
         return $this;
     }
 
     /**
      * Set service map object
      *
      * @param  Zend_Json_Server_Smd $serviceMap
      * @return Zend_Json_Server_Response
      */
     public function setServiceMap($serviceMap)
     {
         $this->_serviceMap = $serviceMap;
         return $this;
     }
 
     /**
      * Retrieve service map
      *
      * @return Zend_Json_Server_Smd|null
      */
     public function getServiceMap()
     {
         return $this->_serviceMap;
     }
 
     /**
      * Cast to string (JSON)
      *
      * @return string
      */
     public function __toString()
     {
         return $this->toJson();
     }
 }