io.jooby

Interface Route.Decorator

All Superinterfaces:

Route.Aware

All Known Implementing Classes:

AccessLogHandler, CorsHandler, GracefulShutdownHandler, HeadHandler, TraceHandler, WebVariables

Enclosing class:

Route

public static interface Route.Decorator
extends Route.Aware

Decorates a route handler by running logic before and after route handler. This pattern is also known as Filter.

 {
   decorator(next -> ctx -> {
     long start = System.currentTimeMillis();
     Object result = next.apply(ctx);
     long end = System.currentTimeMillis();
     System.out.println("Took: " + (end - start));
     return result;
   });
 }
 

Since:

2.0.0

Author:

edgar

Method Summary

Modifier and Type	Method and Description
Route.Handler	apply(Route.Handler next) Chain the decorator within next handler.
default Route.Decorator	then(Route.Decorator next) Chain this decorator with another and produces a new decorator.
default Route.Handler	then(Route.Handler next) Chain this decorator with a handler and produces a new handler.

Methods inherited from interface io.jooby.Route.Aware

setRoute

Method Detail

apply

@Nonnull
Route.Handler apply(@Nonnull
                             Route.Handler next)

Chain the decorator within next handler.

Parameters:

next - Next handler.

Returns:

A new handler.

then

@Nonnull
default Route.Decorator then(@Nonnull
                                      Route.Decorator next)

Chain this decorator with another and produces a new decorator.

Parameters:

next - Next decorator.

Returns:

A new decorator.

then

@Nonnull
default Route.Handler then(@Nonnull
                                    Route.Handler next)

Chain this decorator with a handler and produces a new handler.

Parameters:

next - Next handler.

Returns:

A new handler.