<?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_Tool
 * @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    $Id$
 */

/**
 * @category   Zend
 * @package    Zend_Tool
 * @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_Tool_Framework_Client_Interactive_InputHandler
{

    /**
     * @var Zend_Tool_Framework_Client_Interactive_InputInterface
     */
    protected $_client = null;

    protected $_inputRequest = null;

    public function setClient(Zend_Tool_Framework_Client_Interactive_InputInterface $client)
    {
        $this->_client = $client;
        return $this;
    }

    public function setInputRequest($inputRequest)
    {
        if (is_string($inputRequest)) {
            require_once 'Zend/Tool/Framework/Client/Interactive/InputRequest.php';
            $inputRequest = new Zend_Tool_Framework_Client_Interactive_InputRequest($inputRequest);
        } elseif (!$inputRequest instanceof Zend_Tool_Framework_Client_Interactive_InputRequest) {
            require_once 'Zend/Tool/Framework/Client/Exception.php';
            throw new Zend_Tool_Framework_Client_Exception('promptInteractive() requires either a string or an instance of Zend_Tool_Framework_Client_Interactive_InputRequest.');
        }

        $this->_inputRequest = $inputRequest;
        return $this;
    }

    public function handle()
    {
        $inputResponse = $this->_client->handleInteractiveInputRequest($this->_inputRequest);

        if (is_string($inputResponse)) {
            require_once 'Zend/Tool/Framework/Client/Interactive/InputResponse.php';
            $inputResponse = new Zend_Tool_Framework_Client_Interactive_InputResponse($inputResponse);
        } elseif (!$inputResponse instanceof Zend_Tool_Framework_Client_Interactive_InputResponse) {
            require_once 'Zend/Tool/Framework/Client/Exception.php';
            throw new Zend_Tool_Framework_Client_Exception('The registered $_interactiveCallback for the client must either return a string or an instance of Zend_Tool_Framework_Client_Interactive_InputResponse.');
        }

        return $inputResponse;
    }


}
