Spring Cloud Gateway RoutePredicateFactory(三)

public interface RoutePredicateFactory<C> 
       extends ShortcutConfigurable, Configurable<C> {

	// 获取实现了:RoutePredicateFactory类的名称
	// 并删除后缀:RoutePredicateFactory
    default String name() {
		//  BetweenRoute
		return NameUtils.normalizeRoutePredicateName(getClass());
	}


    Predicate<ServerWebExchange> apply(C config);

}

public class BetweenRoutePredicateFactory 
       extends AbstractRoutePredicateFactory<BetweenRoutePredicateFactory.Config> {
   
    public static final String DATETIME1_KEY = "datetime1";
	public static final String DATETIME2_KEY = "datetime2";

	public BetweenRoutePredicateFactory() {
		super(Config.class);
	}

    public Predicate<ServerWebExchange> apply(Config config) {
		ZonedDateTime datetime1 = config.datetime1;
		ZonedDateTime datetime2 = config.datetime2;
		Assert.isTrue(datetime1.isBefore(datetime2),
				config.datetime1 +
				" must be before " + config.datetime2);
        // JDK8语法,创建: Predicate
		return exchange -> {
			final ZonedDateTime now = ZonedDateTime.now();
			return now.isAfter(datetime1) && now.isBefore(datetime2);
		};
	} // end apply
}