Recent posts for a Custom Post Type

Recent Custom Posts

<?php

/**
 * Recent Custom Posts
 * @author Jacob Wise
 * @link http://swellfire.com/code/recent-custom-posts
 *
 * @param string $post_type
 * @param int $numberposts
 * @echo string $output
 */
class jw_recent_custom_posts_class {

	function jw_recent_custom_posts($post_type, $numberposts)
	{ 

		$output = '';

		$output .= '<section class="widget widget_recent_entries">';
		$output .= '<div class="widget-wrap">';
		$output .= '<h4 class="widget-title widgettitle">Recent Posts</h4>';
		$output .= '<ul>';
			
				$args = array( 
					'numberposts' => $numberposts,
					'post_type' => $post_type );
				$recent_posts = wp_get_recent_posts( $args );
				foreach( $recent_posts as $recent ){
					$output .= '<li><a href="' . get_permalink($recent["ID"]) . '" title="Look '.esc_attr($recent["post_title"]).'" >' .   $recent["post_title"].'</a> </li> ';
				}

		$output .= '</ul>';
		$output .= '</div>';
		$output .= '</section>';

		echo $output;

	}

}

function jw_do_recent_custom_posts() 
{

	if ( is_singular( 'code' ) || is_post_type_archive( 'code' ) || is_tax( 'code_category' ) )	{
    
	    $my_class = new jw_recent_custom_posts_class();
	    $my_class->jw_recent_custom_posts( 'code', '5' );
	
	}

	if ( is_singular( 'tutorial' ) || is_post_type_archive( 'tutorial' ) || is_tax( 'tutorial_category' ) )	{
    
	    $my_class = new jw_recent_custom_posts_class();
	    $my_class->jw_recent_custom_posts( 'tutorial', '5' );
	
	}
	
}

add_action('genesis_sidebar', 'jw_do_recent_custom_posts');

can i use it in my WordPress template?