public function dispatch() {

		switch ( $this->method ) {

			case 'HEAD' :
			case 'GET' :
				$method = self::METHOD_GET;
				break;

			case 'POST' :
				$method = self::METHOD_POST;
				break;

			case 'PUT' :
				$method = self::METHOD_PUT;
				break;

			case 'PATCH' :
				$method = self::METHOD_PATCH;
				break;

			case 'DELETE' :
				$method = self::METHOD_DELETE;
				break;

			default :
				return new WP_Error( 'woocommerce_api_unsupported_method', __( 'Unsupported request method', 'woocommerce' ), array( 'status' => 400 ) );
		}

		foreach ( $this->get_routes() as $route => $handlers ) {
			foreach ( $handlers as $handler ) {
				$callback  = $handler[0];
				$supported = isset( $handler[1] ) ? $handler[1] : self::METHOD_GET;

				if ( ! ( $supported & $method ) ) {
					continue;
				}

				$match = preg_match( '@^' . $route . '$@i', urldecode( $this->path ), $args );

				if ( ! $match ) {
					continue;
				}

				if ( ! is_callable( $callback ) ) {
					return new WP_Error( 'woocommerce_api_invalid_handler', __( 'The handler for the route is invalid', 'woocommerce' ), array( 'status' => 500 ) );
				}

				$args = array_merge( $args, $this->params['GET'] );
				if ( $method & self::METHOD_POST ) {
					$args = array_merge( $args, $this->params['POST'] );
				}
				if ( $supported & self::ACCEPT_DATA ) {
					$data = $this->handler->parse_body( $this->get_raw_data() );
					$args = array_merge( $args, array( 'data' => $data ) );
				} elseif ( $supported & self::ACCEPT_RAW_DATA ) {
					$data = $this->get_raw_data();
					$args = array_merge( $args, array( 'data' => $data ) );
				}

				$args['_method']  = $method;
				$args['_route']   = $route;
				$args['_path']    = $this->path;
				$args['_headers'] = $this->headers;
				$args['_files']   = $this->files;

				$args = apply_filters( 'woocommerce_api_dispatch_args', $args, $callback );

				// Allow plugins to halt the request via this filter
				if ( is_wp_error( $args ) ) {
					return $args;
				}

				$params = $this->sort_callback_params( $callback, $args );
				if ( is_wp_error( $params ) ) {
					return $params;
				}

				return call_user_func_array( $callback, $params );
			}
		}

		return new WP_Error( 'woocommerce_api_no_route', __( 'No route was found matching the URL and request method', 'woocommerce' ), array( 'status' => 404 ) );
	}