<?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_Navigation

 * @subpackage Page

 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

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

 * @version    $Id: Uri.php 24593 2012-01-05 20:35:02Z matthew $

 */

/**

 * @see Zend_Navigation_Page_Abstract

 */

require_once 'Zend/Navigation/Page.php';

/**

 * Represents a page that is defined by specifying a URI

 *

 * @category   Zend

 * @package    Zend_Navigation

 * @subpackage Page

 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

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

 */

class Zend_Navigation_Page_Uri extends Zend_Navigation_Page

{

    /**

     * Page URI

     *

     * @var string|null

     */

    protected $_uri = null;

    /**

     * Sets page URI

     *

     * @param  string $uri                page URI, must a string or null

     * @return Zend_Navigation_Page_Uri   fluent interface, returns self

     * @throws Zend_Navigation_Exception  if $uri is invalid

     */

    public function setUri($uri)

    {

        if (null !== $uri && !is_string($uri)) {

            require_once 'Zend/Navigation/Exception.php';

            throw new Zend_Navigation_Exception(

                    'Invalid argument: $uri must be a string or null');

        }

        $this->_uri = $uri;

        return $this;

    }

    /**

     * Returns URI

     *

     * @return string

     */

    public function getUri()

    {

        return $this->_uri;

    }

    /**

     * Returns href for this page

     *

     * @return string

     */

    public function getHref()

    {

        $uri = $this->getUri();

        $fragment = $this->getFragment();       

        if (null !== $fragment) {

            if ('#' == substr($uri, -1)) {

                return $uri . $fragment;

            } else {                

                return $uri . '#' . $fragment;

            }

        }

        return $uri;

    }

    // Public methods:

    /**

     * Returns an array representation of the page

     *

     * @return array

     */

    public function toArray()

    {

        return array_merge(

            parent::toArray(),

            array(

                'uri' => $this->getUri()

            ));

    }

}