interface.php

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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 [e-mail] so we can send you a copy immediately.
 *
 * @package    Zend_Controller
 * @subpackage Dispatcher
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

/**
 * Zend_Controller_Request_Abstract
 */
require_once 'Zend/Controller/Request/Abstract.php';

/**
 * Zend_Controller_Response_Abstract
 */
require_once 'Zend/Controller/Response/Abstract.php';

/**
 * @package    Zend_Controller
 * @subpackage Dispatcher
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
interface Zend_Controller_Dispatcher_Interface
{
    /**
     * Formats a string into a controller name.  This is used to take a raw
     * controller name, such as one that would be packaged inside a request
     * object, and reformat it to a proper class name that a class extending
     * Zend_Controller_Action would use.
     *
     * @param string $unformatted
     * @return string
     */
    public function formatControllerName($unformatted);

    /**
     * Formats a string into an action name.  This is used to take a raw
     * action name, such as one that would be packaged inside a request
     * object, and reformat into a proper method name that would be found
     * inside a class extending Zend_Controller_Action.
     *
     * @param string $unformatted
     * @return string
     */
    public function formatActionName($unformatted);

    /**
     * Returns TRUE if an action can be dispatched, or FALSE otherwise.
     *
     * @param  Zend_Controller_Request_Abstract $request
     * @return boolean
     */
    public function isDispatchable(Zend_Controller_Request_Abstract $request);

    /**
     * Add or modify a parameter with which to instantiate an Action Controller
     *
     * @param string $name
     * @param mixed $value
     * @return Zend_Controller_Dispatcher_Interface
     */
    public function setParam($name, $value);

    /**
     * Set an array of a parameters to pass to the Action Controller constructor
     *
     * @param array $params
     * @return Zend_Controller_Dispatcher_Interface
     */
    public function setParams(array $params);

    /**
     * Retrieve a single parameter from the controller parameter stack
     *
     * @param string $name
     * @return mixed
     */
    public function getParam($name);

    /**
     * Retrieve the parameters to pass to the Action Controller constructor
     *
     * @return array
     */
    public function getParams();

    /**
     * Clear the controller parameter stack
     *
     * By default, clears all parameters. If a parameter name is given, clears
     * only that parameter; if an array of parameter names is provided, clears
     * each.
     *
     * @param null|string|array single key or array of keys for params to clear
     * @return Zend_Controller_Dispatcher_Interface
     */
    public function clearParams($name = null);

    /**
     * Set the response object to use, if any
     *
     * @param Zend_Controller_Response_Abstract|null $response
     * @return void
     */
    public function setResponse(Zend_Controller_Response_Abstract $response = null);

    /**
     * Retrieve the response object, if any
     *
     * @return Zend_Controller_Response_Abstract|null
     */
    public function getResponse();

    /**
     * Add a controller directory to the controller directory stack
     *
     * @param string $path
     * @param string $args
     * @return Zend_Controller_Dispatcher_Interface
     */
    public function addControllerDirectory($path, $args = null);

    /**
     * Set the directory where controller files are stored
     *
     * Specify a string or an array; if an array is specified, all paths will be
     * added.
     *
     * @param string|array $dir
     * @return Zend_Controller_Dispatcher_Interface
     */
    public function setControllerDirectory($path);

    /**
     * Return the currently set directory(ies) for controller file lookup
     *
     * @return array
     */
    public function getControllerDirectory();

    /**
     * Dispatches a request object to a controller/action.  If the action
     * requests a forward to another action, a new request will be returned.
     *
     * @param  Zend_Controller_Request_Abstract $request
     * @param  Zend_Controller_Response_Abstract $response
     * @return Zend_Controller_Request_Abstract|boolean
     */
    public function dispatch(Zend_Controller_Request_Abstract $request, Zend_Controller_Response_Abstract $response);

    /**
     * Whether or not a given module is valid
     *
     * @param string $module
     * @return boolean
     */
    public function isValidModule($module);
}