public static function init() {
		$shortcodes = array(
			'product'                    => __CLASS__ . '::product',
			'product_page'               => __CLASS__ . '::product_page',
			'product_category'           => __CLASS__ . '::product_category',
			'product_categories'         => __CLASS__ . '::product_categories',
			'add_to_cart'                => __CLASS__ . '::product_add_to_cart',
			'add_to_cart_url'            => __CLASS__ . '::product_add_to_cart_url',
			'products'                   => __CLASS__ . '::products',
			'recent_products'            => __CLASS__ . '::recent_products',
			'sale_products'              => __CLASS__ . '::sale_products',
			'best_selling_products'      => __CLASS__ . '::best_selling_products',
			'top_rated_products'         => __CLASS__ . '::top_rated_products',
			'featured_products'          => __CLASS__ . '::featured_products',
			'product_attribute'          => __CLASS__ . '::product_attribute',
			'related_products'           => __CLASS__ . '::related_products',
			'shop_messages'              => __CLASS__ . '::shop_messages',
			'woocommerce_order_tracking' => __CLASS__ . '::order_tracking',
			'woocommerce_cart'           => __CLASS__ . '::cart',
			'woocommerce_checkout'       => __CLASS__ . '::checkout',
			'woocommerce_my_account'     => __CLASS__ . '::my_account',
		);

		foreach ( $shortcodes as $shortcode => $function ) {
			add_shortcode( apply_filters( "{$shortcode}_shortcode_tag", $shortcode ), $function );
		}

		// Alias for pre 2.1 compatibility.
		add_shortcode( 'woocommerce_messages', __CLASS__ . '::shop_messages' );
	}