<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: Response.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * @category   Zend

 * @package    Zend_Json

 * @subpackage Server

 * @copyright  Copyright (c) 2005-2010 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 = (string) $version;

        if ('2.0' == $version) {

            $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(

                'result' => null,

                'error'  => $this->getError()->toArray(),

                'id'     => $this->getId(),

            );

        } else {

            $response = array(

                'result' => $this->getResult(),

                'id'     => $this->getId(),

                'error'  => null,

            );

        }

        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();

    }

}