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However, in accepting such obligations, You may act only * on Your own behalf and on Your sole responsibility, not on behalf * of any other Contributor, and only if You agree to indemnify, * defend, and hold each Contributor harmless for any liability * incurred by, or claims asserted against, such Contributor by reason * of your accepting any such warranty or additional liability. * * END OF TERMS AND CONDITIONS * * APPENDIX: How to apply the Apache License to your work. * * To apply the Apache License to your work, attach the following * boilerplate notice, with the fields enclosed by brackets "{}" * replaced with your own identifying information. (Don't include * the brackets!) The text should be enclosed in the appropriate * comment syntax for the file format. We also recommend that a * file or class name and description of purpose be included on the * same "printed page" as the copyright notice for easier * identification within third-party archives. * * Copyright 2014 Edgar Espina * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.jooby; import org.jooby.Route.Mapper; import org.jooby.funzy.Try; import org.jooby.handlers.AssetHandler; import javax.annotation.Nonnull; import java.net.URLDecoder; import java.nio.file.Path; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.Optional; import java.util.concurrent.Executor; import java.util.function.Predicate; /** * Route DSL. Constructs and creates several flavors of jooby routes. * * @author edgar * @since 0.16.0 */ public interface Router { /** * Decode a path by delegating to {@link URLDecoder#decode(String, String)}. * * @param path Path to decoded. * @return Decode a path by delegating to {@link URLDecoder#decode(String, String)}. */ static String decode(String path) { return Try.apply(() -> URLDecoder.decode(path, "UTF-8")).get(); } /** * Import content from provide application (routes, parsers/renderers, start/stop callbacks, ... * etc.). * * @param app Routes provider. * @return This router. */ @Nonnull Router use(final Jooby app); /** * Group one or more routes under a common path. * *
{@code
   *   {
   *     path("/api/pets", () -> {
   *
   *     });
   *   }
   * }
* * @param path Common path. * @param action Router action. * @return This router. */ Route.Collection path(String path, Runnable action); /** * Import content from provide application (routes, parsers/renderers, start/stop callbacks, ... * etc.). Routes will be mounted at the provided path. * * @param path Path to mount the given app. * @param app Routes provider. * @return This router. */ @Nonnull Router use(final String path, final Jooby app); /** * Append a new filter that matches any method under the given path. * * @param path A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Definition use(String path, Route.Filter filter); /** * Append a new filter that matches the given method and path. * * @param method A HTTP method. * @param path A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Definition use(String method, String path, Route.Filter filter); /** * Append a new route handler that matches the given method and path. Like * {@link #use(String, String, org.jooby.Route.Filter)} but you don't have to explicitly call * {@link Route.Chain#next(Request, Response)}. * * @param method A HTTP method. * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition use(String method, String path, Route.Handler handler); /** * Append a new route handler that matches any method under the given path. Like * {@link #use(String, org.jooby.Route.Filter)} but you don't have to explicitly call * {@link Route.Chain#next(Request, Response)}. * * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition use(String path, Route.Handler handler); /** * Append a new route handler that matches any method under the given path. * * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition use(String path, Route.OneArgHandler handler); /** * Append a route that matches the HTTP GET method: * *
   *   get((req, rsp) {@literal ->} {
   *     rsp.send(something);
   *   });
   * 
* * @param handler A handler to execute. * @return A new route definition. */ @Nonnull default Route.Definition get(Route.Handler handler) { return get("/", handler); } /** * Append a route that matches the HTTP GET method: * *
   *   get("/", (req, rsp) {@literal ->} {
   *     rsp.send(something);
   *   });
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition get(String path, Route.Handler handler); /** * Append two routes that matches the HTTP GET method on the same handler: * *
   *   get("/model", "/mode/:id", (req, rsp) {@literal ->} {
   *     rsp.send(req.param("id").toOptional(String.class));
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection get(String path1, String path2, Route.Handler handler); /** * Append three routes that matches the HTTP GET method on the same handler: * *
   *   get("/p1", "/p2", "/p3", (req, rsp) {@literal ->} {
   *     rsp.send(req.path());
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection get(String path1, String path2, String path3, Route.Handler handler); /** * Append route that matches the HTTP GET method: * *
   *   get(req {@literal ->} {
   *     return "hello";
   *   });
   * 
* * @param handler A handler to execute. * @return A new route definition. */ @Nonnull default Route.Definition get(Route.OneArgHandler handler) { return get("/", handler); } /** * Append route that matches the HTTP GET method: * *
   *   get("/", req {@literal ->} {
   *     return "hello";
   *   });
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition get(String path, Route.OneArgHandler handler); /** * Append three routes that matches the HTTP GET method on the same handler: * *
   *   get("/model", "/model/:id", req {@literal ->} {
   *     return req.param("id").toOptional(String.class);
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection get(String path1, String path2, Route.OneArgHandler handler); /** * Append three routes that matches the HTTP GET method on the same handler: * *
   *   get("/p1", "/p2", "/p3", req {@literal ->} {
   *     return req.path();
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection get(String path1, String path2, String path3, Route.OneArgHandler handler); /** * Append route that matches HTTP GET method: * *
   *   get(() {@literal ->}
   *     "hello"
   *   );
   * 
* * @param handler A handler to execute. * @return A new route definition. */ @Nonnull default Route.Definition get(Route.ZeroArgHandler handler) { return get("/", handler); } /** * Append route that matches HTTP GET method: * *
   *   get("/", () {@literal ->}
   *     "hello"
   *   );
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition get(String path, Route.ZeroArgHandler handler); /** * Append three routes that matches the HTTP GET method on the same handler: * *
   *   get("/p1", "/p2", () {@literal ->} {
   *     return "OK";
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection get(String path1, String path2, Route.ZeroArgHandler handler); /** * Append three routes that matches HTTP GET method on the same handler: * *
   *   get("/p1", "/p2", "/p3", () {@literal ->} {
   *     return "OK";
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection get(String path1, String path2, String path3, Route.ZeroArgHandler handler); /** * Append a filter that matches HTTP GET method: * *
   *   get("/", (req, rsp, chain) {@literal ->} {
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Definition get(String path, Route.Filter filter); /** * Append three routes that matches the HTTP GET method on the same handler: * *
   *   get("/model", "/model/:id", (req, rsp, chain) {@literal ->} {
   *     req.param("id").toOptional(String.class);
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Collection get(String path1, String path2, Route.Filter filter); /** * Append three routes that supports HTTP GET method on the same handler: * *
   *   get("/p1", "/p2", "/p3", (req, rsp, chain) {@literal ->} {
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Collection get(String path1, String path2, String path3, Route.Filter filter); /** * Append a route that supports HTTP POST method: * *
   *   post((req, rsp) {@literal ->} {
   *     rsp.send(something);
   *   });
   * 
* * @param handler A handler to execute. * @return A new route definition. */ @Nonnull default Route.Definition post(Route.Handler handler) { return post("/", handler); } /** * Append a route that supports HTTP POST method: * *
   *   post("/", (req, rsp) {@literal ->} {
   *     rsp.send(something);
   *   });
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition post(String path, Route.Handler handler); /** * Append three routes that supports HTTP POST method on the same handler: * *
   *   post("/p1", "/p2", (req, rsp) {@literal ->} {
   *     rsp.send(req.path());
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection post(String path1, String path2, Route.Handler handler); /** * Append three routes that supports HTTP POST method on the same handler: * *
   *   post("/p1", "/p2", "/p3", (req, rsp) {@literal ->} {
   *     rsp.send(req.path());
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection post(String path1, String path2, String path3, Route.Handler handler); /** * Append route that supports HTTP POST method: * *
   *   post(req {@literal ->}
   *     "hello"
   *   );
   * 
* * @param handler A handler to execute. * @return A new route definition. */ @Nonnull default Route.Definition post(Route.OneArgHandler handler) { return post("/", handler); } /** * Append route that supports HTTP POST method: * *
   *   post("/", req {@literal ->}
   *     "hello"
   *   );
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition post(String path, Route.OneArgHandler handler); /** * Append three routes that supports HTTP POST method on the same handler: * *
   *   post("/p1", "/p2", req {@literal ->} {
   *     return req.path();
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection post(String path1, String path2, Route.OneArgHandler handler); /** * Append three routes that supports HTTP POST method on the same handler: * *
   *   post("/p1", "/p2", "/p3", req {@literal ->} {
   *     return req.path();
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection post(String path1, String path2, String path3, Route.OneArgHandler handler); /** * Append route that supports HTTP POST method: * *
   *   post(() {@literal ->}
   *     "hello"
   *   );
   * 
* * @param handler A handler to execute. * @return A new route definition. */ @Nonnull default Route.Definition post(Route.ZeroArgHandler handler) { return post("/", handler); } /** * Append route that supports HTTP POST method: * *
   *   post("/", () {@literal ->}
   *     "hello"
   *   );
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition post(String path, Route.ZeroArgHandler handler); /** * Append three routes that supports HTTP POST method on the same handler: * *
   *   post("/p1", "/p2", {@literal ->} {
   *     return "OK";
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection post(String path1, String path2, Route.ZeroArgHandler handler); /** * Append three routes that supports HTTP POST method on the same handler: * *
   *   post("/p1", "/p2", "/p3", () {@literal ->} {
   *     return "OK";
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection post(String path1, String path2, String path3, Route.ZeroArgHandler handler); /** * Append a route that supports HTTP POST method: * *
   *   post("/", (req, rsp, chain) {@literal ->} {
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Definition post(String path, Route.Filter filter); /** * Append three routes that supports HTTP POST method on the same handler: * *
   *   post("/p1", "/p2",(req, rsp, chain) {@literal ->} {
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Collection post(String path1, String path2, Route.Filter filter); /** * Append three routes that supports HTTP POST method on the same handler: * *
   *   post("/p1", "/p2", "/p3", (req, rsp, chain) {@literal ->} {
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Collection post(String path1, String path2, String path3, Route.Filter filter); /** * Append a route that supports HTTP HEAD method: * *
   *   post("/", (req, rsp) {@literal ->} {
   *     rsp.send(something);
   *   });
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition head(String path, Route.Handler handler); /** * Append route that supports HTTP HEAD method: * *
   *   head("/", req {@literal ->}
   *     "hello"
   *   );
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition head(String path, Route.OneArgHandler handler); /** * Append route that supports HTTP HEAD method: * *
   *   head("/", () {@literal ->}
   *     "hello"
   *   );
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition head(String path, Route.ZeroArgHandler handler); /** * Append a route that supports HTTP HEAD method: * *
   *   post("/", (req, rsp, chain) {@literal ->} {
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Definition head(String path, Route.Filter filter); /** * Append a new route that automatically handles HEAD request from existing GET routes. * *
   * {
   *   head();
   * }
   * 
* * @return A new route definition. */ @Nonnull Route.Definition head(); /** * Append a route that supports HTTP OPTIONS method: * *
   *   options("/", (req, rsp) {@literal ->} {
   *     rsp.header("Allow", "GET, POST");
   *   });
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition options(String path, Route.Handler handler); /** * Append route that supports HTTP OPTIONS method: * *
   *   options("/", req {@literal ->}
   *     return Results.with(200).header("Allow", "GET, POST")
   *   );
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition options(String path, Route.OneArgHandler handler); /** * Append route that supports HTTP OPTIONS method: * *
   *   options("/", () {@literal ->}
   *     return Results.with(200).header("Allow", "GET, POST")
   *   );
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition options(String path, Route.ZeroArgHandler handler); /** * Append a route that supports HTTP OPTIONS method: * *
   *   options("/", (req, rsp, chain) {@literal ->} {
   *     rsp.header("Allow", "GET, POST");
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path A path pattern. * @param filter A callback to execute. * @return A new route definition. */ @Nonnull Route.Definition options(String path, Route.Filter filter); /** * Append a new route that automatically handles OPTIONS requests. * *
   *   get("/", (req, rsp) {@literal ->} {
   *     rsp.send(something);
   *   });
   *
   *   post("/", (req, rsp) {@literal ->} {
   *     rsp.send(something);
   *   });
   *
   *   options("/");
   * 
* * OPTIONS / produces a response with a Allow header set to: GET, POST. * * @return A new route definition. */ @Nonnull Route.Definition options(); /** * Append route that supports HTTP PUT method: * *
   *   put((req, rsp) {@literal ->} {
   *     rsp.send(something);
   *   });
   * 
* * @param handler A route to execute. * @return A new route definition. */ @Nonnull default Route.Definition put(Route.Handler handler) { return put("/", handler); } /** * Append route that supports HTTP PUT method: * *
   *   put("/", (req, rsp) {@literal ->} {
   *     rsp.send(something);
   *   });
   * 
* * @param path A path pattern. * @param handler A route to execute. * @return A new route definition. */ @Nonnull Route.Definition put(String path, Route.Handler handler); /** * Append three routes that supports HTTP PUT method on the same handler: * *
   *   put("/p1", "/p2", (req, rsp) {@literal ->} {
   *     rsp.send(req.path());
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection put(String path1, String path2, Route.Handler handler); /** * Append three routes that supports HTTP PUT method on the same handler: * *
   *   put("/p1", "/p2", "/p3", (req, rsp) {@literal ->} {
   *     rsp.send(req.path());
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection put(String path1, String path2, String path3, Route.Handler handler); /** * Append route that supports HTTP PUT method: * *
   *   put(req {@literal ->}
   *    return Results.accepted();
   *   );
   * 
* * @param handler A handler to execute. * @return A new route definition. */ @Nonnull default Route.Definition put(Route.OneArgHandler handler) { return put("/", handler); } /** * Append route that supports HTTP PUT method: * *
   *   put("/", req {@literal ->}
   *    return Results.accepted();
   *   );
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition put(String path, Route.OneArgHandler handler); /** * Append three routes that supports HTTP PUT method on the same handler: * *
   *   put("/p1", "/p2", req {@literal ->} {
   *     return req.path();
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection put(String path1, String path2, Route.OneArgHandler handler); /** * Append three routes that supports HTTP PUT method on the same handler: * *
   *   put("/p1", "/p2", "/p3", req {@literal ->} {
   *     return req.path();
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection put(String path1, String path2, String path3, Route.OneArgHandler handler); /** * Append route that supports HTTP PUT method: * *
   *   put(() {@literal ->} {
   *     return Results.accepted()
   *   });
   * 
* * @param handler A handler to execute. * @return A new route definition. */ @Nonnull default Route.Definition put(Route.ZeroArgHandler handler) { return put("/", handler); } /** * Append route that supports HTTP PUT method: * *
   *   put("/", () {@literal ->} {
   *     return Results.accepted()
   *   });
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition put(String path, Route.ZeroArgHandler handler); /** * Append three routes that supports HTTP PUT method on the same handler: * *
   *   put("/p1", "/p2", req {@literal ->} {
   *     return req.path();
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection put(String path1, String path2, Route.ZeroArgHandler handler); /** * Append three routes that supports HTTP PUT method on the same handler: * *
   *   put("/p1", "/p2", "/p3", req {@literal ->} {
   *     return req.path();
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection put(String path1, String path2, String path3, Route.ZeroArgHandler handler); /** * Append route that supports HTTP PUT method: * *
   *   put("/", (req, rsp, chain) {@literal ->} {
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path A path pattern. * @param filter A callback to execute. * @return A new route definition. */ @Nonnull Route.Definition put(String path, Route.Filter filter); /** * Append three routes that supports HTTP PUT method on the same handler: * *
   *   put("/p1", "/p2", (req, rsp, chain) {@literal ->} {
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Collection put(String path1, String path2, Route.Filter filter); /** * Append three routes that supports HTTP PUT method on the same handler: * *
   *   put("/p1", "/p2", "/p3", (req, rsp, chain) {@literal ->} {
   *     chain.next(req, rsp);
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Collection put(String path1, String path2, String path3, Route.Filter filter); /** * Append route that supports HTTP PATCH method: * *
   *   patch((req, rsp) {@literal ->} {
   *     rsp.send(something);
   *   });
   * 
* * @param handler A route to execute. * @return A new route definition. */ @Nonnull default Route.Definition patch(Route.Handler handler) { return patch("/", handler); } /** * Append route that supports HTTP PATCH method: * *
   *   patch("/", (req, rsp) {@literal ->} {
   *     rsp.send(something);
   *   });
   * 
* * @param path A path pattern. * @param handler A route to execute. * @return A new route definition. */ @Nonnull Route.Definition patch(String path, Route.Handler handler); /** * Append three routes that supports HTTP PATCH method on the same handler: * *
   *   patch("/p1", "/p2", (req, rsp) {@literal ->} {
   *     rsp.send(something);
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection patch(String path1, String path2, Route.Handler handler); /** * Append three routes that supports HTTP PATCH method on the same handler: * *
   *   patch("/p1", "/p2", "/p3", (req, rsp) {@literal ->} {
   *     rsp.send(something);
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ Route.Collection patch(String path1, String path2, String path3, Route.Handler handler); /** * Append route that supports HTTP PATCH method: * *
   *   patch(req {@literal ->}
   *    Results.ok()
   *   );
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param handler A handler to execute. * @return A new route definition. */ @Nonnull default Route.Definition patch(Route.OneArgHandler handler) { return patch("/", handler); } /** * Append route that supports HTTP PATCH method: * *
   *   patch("/", req {@literal ->}
   *    Results.ok()
   *   );
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition patch(String path, Route.OneArgHandler handler); /** * Append three routes that supports HTTP PATCH method on the same handler: * *
   *   patch("/p1", "/p2", req {@literal ->} {
   *     return req.path();
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection patch(String path1, String path2, Route.OneArgHandler handler); /** * Append three routes that supports HTTP PATCH method on the same handler: * *
   *   patch("/p1", "/p2", "/p3", req {@literal ->} {
   *     return req.path();
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection patch(String path1, String path2, String path3, Route.OneArgHandler handler); /** * Append route that supports HTTP PATCH method: * *
   *   patch(() {@literal ->} {
   *     return Results.ok();
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param handler A handler to execute. * @return A new route definition. */ @Nonnull default Route.Definition patch(Route.ZeroArgHandler handler) { return patch("/", handler); } /** * Append route that supports HTTP PATCH method: * *
   *   patch("/", () {@literal ->} {
   *     return Results.ok();
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition patch(String path, Route.ZeroArgHandler handler); /** * Append three routes that supports HTTP PATCH method on the same handler: * *
   *   patch("/p1", "/p2", () {@literal ->} {
   *     return Results.ok();
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection patch(String path1, String path2, Route.ZeroArgHandler handler); /** * Append three routes that supports HTTP PATCH method on the same handler: * *
   *   patch("/p1", "/p2", "/p3", () {@literal ->} {
   *     return Results.ok();
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection patch(String path1, String path2, String path3, Route.ZeroArgHandler handler); /** * Append route that supports HTTP PATCH method: * *
   *   patch("/", (req, rsp, chain) {@literal ->} {
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path A path pattern. * @param filter A callback to execute. * @return A new route definition. */ @Nonnull Route.Definition patch(String path, Route.Filter filter); /** * Append three routes that supports HTTP PATCH method on the same handler: * *
   *   patch("/p1", "/p2", (req, rsp, chain) {@literal ->} {
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Collection patch(String path1, String path2, Route.Filter filter); /** * Append three routes that supports HTTP PATCH method on the same handler: * *
   *   patch("/p1", "/p2", "/p3", (req, rsp, chain) {@literal ->} {
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Collection patch(String path1, String path2, String path3, Route.Filter filter); /** * Append a route that supports HTTP DELETE method: * *
   *   delete((req, rsp) {@literal ->} {
   *     rsp.status(204);
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param handler A handler to execute. * @return A new route definition. */ @Nonnull default Route.Definition delete(Route.Handler handler) { return delete("/", handler); } /** * Append a route that supports HTTP DELETE method: * *
   *   delete("/", (req, rsp) {@literal ->} {
   *     rsp.status(204);
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition delete(String path, Route.Handler handler); /** * Append three routes that supports HTTP DELETE method on the same handler: * *
   *   delete("/p1", "/p2", (req, rsp) {@literal ->} {
   *     rsp.status(204);
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection delete(String path1, String path2, Route.Handler handler); /** * Append three routes that supports HTTP DELETE method on the same handler: * *
   *   delete("/p1", "/p2", "/p3", (req, rsp) {@literal ->} {
   *     rsp.status(204);
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection delete(String path1, String path2, String path3, Route.Handler handler); /** * Append route that supports HTTP DELETE method: * *
   *   delete(req {@literal ->}
   *     return Results.noContent();
   *   );
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param handler A handler to execute. * @return A new route definition. */ @Nonnull default Route.Definition delete(Route.OneArgHandler handler) { return delete("/", handler); } /** * Append route that supports HTTP DELETE method: * *
   *   delete("/", req {@literal ->}
   *     return Results.noContent();
   *   );
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition delete(String path, Route.OneArgHandler handler); /** * Append three routes that supports HTTP DELETE method on the same handler: * *
   *   delete("/p1", "/p2", req {@literal ->} {
   *     return Results.noContent();
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection delete(String path1, String path2, Route.OneArgHandler handler); /** * Append three routes that supports HTTP DELETE method on the same handler: * *
   *   delete("/p1", "/p2", "/p3",req {@literal ->} {
   *     return Results.noContent();
   *   });
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection delete(String path1, String path2, String path3, Route.OneArgHandler handler); /** * Append route that supports HTTP DELETE method: * *
   *   delete(() {@literal ->}
   *     return Results.noContent();
   *   );
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param handler A handler to execute. * @return A new route definition. */ @Nonnull default Route.Definition delete(Route.ZeroArgHandler handler) { return delete("/", handler); } /** * Append route that supports HTTP DELETE method: * *
   *   delete("/", () {@literal ->}
   *     return Results.noContent();
   *   );
   * 
* * This is a singleton route so make sure you don't share or use global variables. * * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition delete(String path, Route.ZeroArgHandler handler); /** * Append three routes that supports HTTP DELETE method on the same handler: * *
   *   delete("/p1", "/p2", () {@literal ->} {
   *     return Results.noContent();
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection delete(String path1, String path2, Route.ZeroArgHandler handler); /** * Append three routes that supports HTTP DELETE method on the same handler: * *
   *   delete("/p1", "/p2", "/p3", req {@literal ->} {
   *     return Results.noContent();
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Collection delete(String path1, String path2, String path3, Route.ZeroArgHandler handler); /** * Append a route that supports HTTP DELETE method: * *
   *   delete("/", (req, rsp, chain) {@literal ->} {
   *     rsp.status(304);
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path A path pattern. * @param filter A callback to execute. * @return A new route definition. */ @Nonnull Route.Definition delete(String path, Route.Filter filter); /** * Append three routes that supports HTTP DELETE method on the same handler: * *
   *   delete("/p1", "/p2", (req, rsp, chain) {@literal ->} {
   *     rsp.status(304);
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Collection delete(String path1, String path2, Route.Filter filter); /** * Append three routes that supports HTTP DELETE method on the same handler: * *
   *   delete("/p1", "/p2", "/p3", (req, rsp, chain) {@literal ->} {
   *     rsp.status(304);
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path1 A path pattern. * @param path2 A path pattern. * @param path3 A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Collection delete(String path1, String path2, String path3, Route.Filter filter); /** * Append a route that supports HTTP TRACE method: * *
   *   trace("/", (req, rsp) {@literal ->} {
   *     rsp.send(...);
   *   });
   * 
* * @param path A path pattern. * @param handler A callback to execute. * @return A new route definition. */ @Nonnull Route.Definition trace(String path, Route.Handler handler); /** * Append route that supports HTTP TRACE method: * *
   *   trace("/", req {@literal ->}
   *     "trace"
   *   );
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition trace(String path, Route.OneArgHandler handler); /** * Append route that supports HTTP TRACE method: * *
   *   trace("/", () {@literal ->}
   *     "trace"
   *   );
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition trace(String path, Route.ZeroArgHandler handler); /** * Append a route that supports HTTP TRACE method: * *
   *   trace("/", (req, rsp, chain) {@literal ->} {
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path A path pattern. * @param filter A callback to execute. * @return A new route definition. */ @Nonnull Route.Definition trace(String path, Route.Filter filter); /** * Append a default trace implementation under the given path. Default trace response, looks * like: * *
   *  TRACE /path
   *     header1: value
   *     header2: value
   * 
* * @return A new route definition. */ @Nonnull Route.Definition trace(); /** * Append a route that supports HTTP CONNECT method: * *
   *   connect("/", (req, rsp) {@literal ->} {
   *   });
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition connect(String path, Route.Handler handler); /** * Append route that supports HTTP CONNECT method: * *
   *   connect("/", req {@literal ->}
   *     "hello"
   *   );
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition connect(String path, Route.OneArgHandler handler); /** * Append route that supports HTTP CONNECT method: * *
   *   connect("/", () {@literal ->}
   *     "connected"
   *   );
   * 
* * @param path A path pattern. * @param handler A handler to execute. * @return A new route definition. */ @Nonnull Route.Definition connect(String path, Route.ZeroArgHandler handler); /** * Append a route that supports HTTP CONNECT method: * *
   *   connect("/", (req, rsp, chain) {@literal ->} {
   *     chain.next(req, rsp);
   *   });
   * 
* * @param path A path pattern. * @param filter A filter to execute. * @return A new route definition. */ @Nonnull Route.Definition connect(String path, Route.Filter filter); /** * Static files handler. * *
   *   assets("/assets/**");
   * 
* * Resources are served from root of classpath, for example GET /assets/file.js will * be resolve as classpath resource at the same location. * * The {@link AssetHandler} one step forward and add support for serving files from a CDN out of * the box. All you have to do is to define a assets.cdn property: * *
   * assets.cdn = "http://d7471vfo50fqt.cloudfront.net"
   * 
* * A GET to /assets/js/index.js will be redirected to: * http://d7471vfo50fqt.cloudfront.net/assets/js/index.js. * * You can turn on/off ETag and Last-Modified headers too using * assets.etag and assets.lastModified. These two properties are enabled * by default. * * @param path The path to publish. * @return A new route definition. */ @Nonnull default Route.AssetDefinition assets(final String path) { return assets(path, "/"); } /** * Static files handler on external location. * *
   *   assets("/assets/**", Paths.get("/www"));
   * 
* * For example GET /assets/file.js will be resolve as /www/file.js on * server file system. * *

* The {@link AssetHandler} one step forward and add support for serving files from a CDN out of * the box. All you have to do is to define a assets.cdn property: *

*
   * assets.cdn = "http://d7471vfo50fqt.cloudfront.net"
   * 
* * A GET to /assets/js/index.js will be redirected to: * http://d7471vfo50fqt.cloudfront.net/assets/js/index.js. * * You can turn on/off ETag and Last-Modified headers too using * assets.etag and assets.lastModified. These two properties are enabled * by default. * * @param path The path to publish. * @param basedir Base directory. * @return A new route definition. */ @Nonnull Route.AssetDefinition assets(final String path, Path basedir); /** * Static files handler. Like {@link #assets(String)} but let you specify a different classpath * location. * *

* Basic example *

* *
   *   assets("/js/**", "/");
   * 
* * A request for: /js/jquery.js will be translated to: /lib/jquery.js. * *

* Webjars example: *

* *
   *   assets("/js/**", "/resources/webjars/{0}");
   * 
* * A request for: /js/jquery/2.1.3/jquery.js will be translated to: * /resources/webjars/jquery/2.1.3/jquery.js. * The {0} represent the ** capturing group. * *

* Another webjars example: *

* *
   *   assets("/js/*-*.js", "/resources/webjars/{0}/{1}/{0}.js");
   * 
* *

* A request for: /js/jquery-2.1.3.js will be translated to: * /resources/webjars/jquery/2.1.3/jquery.js. *

* * @param path The path to publish. * @param location A resource location. * @return A new route definition. */ @Nonnull Route.AssetDefinition assets(String path, String location); /** * Send static files, like {@link #assets(String)} but let you specify a custom * {@link AssetHandler}. * * @param path The path to publish. * @param handler Asset handler. * @return A new route definition. */ @Nonnull Route.AssetDefinition assets(String path, AssetHandler handler); /** *

* Append MVC routes from a controller like class: *

* *
   *   use(MyRoute.class);
   * 
* * Where MyRoute.java is: * *
   *   {@literal @}Path("/")
   *   public class MyRoute {
   *
   *    {@literal @}GET
   *    public String hello() {
   *      return "Hello Jooby";
   *    }
   *   }
   * 
*

* Programming model is quite similar to JAX-RS/Jersey with some minor differences and/or * simplifications. *

* *

* To learn more about Mvc Routes, please check {@link org.jooby.mvc.Path}, * {@link org.jooby.mvc.Produces} {@link org.jooby.mvc.Consumes}. *

* * @param routeClass A route(s) class. * @return This router. */ @Nonnull Route.Collection use(Class routeClass); /** *

* Append MVC routes from a controller like class: *

* *
   *   use("/pets", MyRoute.class);
   * 
* * Where MyRoute.java is: * *
   *   {@literal @}Path("/")
   *   public class MyRoute {
   *
   *    {@literal @}GET
   *    public String hello() {
   *      return "Hello Jooby";
   *    }
   *   }
   * 
*

* Programming model is quite similar to JAX-RS/Jersey with some minor differences and/or * simplifications. *

* *

* To learn more about Mvc Routes, please check {@link org.jooby.mvc.Path}, * {@link org.jooby.mvc.Produces} {@link org.jooby.mvc.Consumes}. *

* * @param path Path to mount the route. * @param routeClass A route(s) class. * @return This router. */ @Nonnull Route.Collection use(String path, Class routeClass); /** *

before

* * Allows for customized handler execution chains. It will be invoked before the actual handler. * *
{@code
   * {
   *   before((req, rsp) -> {
   *     // your code goes here
   *   });
   * }
   * }
* * You are allowed to modify the request and response objects. * * Please note that the before handler is just syntax sugar for {@link Route.Filter}. * For example, the before handler was implemented as: * *
{@code
   * {
   *   use("*", "*", (req, rsp, chain) -> {
   *     before(req, rsp);
   *     // your code goes here
   *     chain.next(req, rsp);
   *   });
   * }
   * }
* * A before handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   before((req, rsp) -> {
   *     // your code goes here
   *   });
   *
   *   get("/path", req -> {
   *     // your code goes here
   *     return ...;
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* * @param handler Before handler. * @return A new route definition. */ @Nonnull default Route.Definition before(final Route.Before handler) { return before("*", handler); } /** *

before

* * Allows for customized handler execution chains. It will be invoked before the actual handler. * *
{@code
   * {
   *   before((req, rsp) -> {
   *     // your code goes here
   *   });
   * }
   * }
* * You are allowed to modify the request and response objects. * * Please note that the before handler is just syntax sugar for {@link Route.Filter}. * For example, the before handler was implemented as: * *
{@code
   * {
   *   use("*", "*", (req, rsp, chain) -> {
   *     before(req, rsp);
   *     // your code goes here
   *     chain.next(req, rsp);
   *   });
   * }
   * }
* * A before handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   before((req, rsp) -> {
   *     // your code goes here
   *   });
   *
   *   get("/path", req -> {
   *     // your code goes here
   *     return ...;
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* * @param handler Before handler. * @param next Next handler. * @return A new route definition. */ @Nonnull default Route.Collection before(final Route.Before handler, Route.Before... next) { return before("*", handler, next); } /** *

before

* * Allows for customized handler execution chains. It will be invoked before the actual handler. * *
{@code
   * {
   *   before("*", (req, rsp) -> {
   *     // your code goes here
   *   });
   * }
   * }
* * You are allowed to modify the request and response objects. * * Please note that the before handler is just syntax sugar for {@link Route.Filter}. * For example, the before handler was implemented as: * *
{@code
   * {
   *   use("*", (req, rsp, chain) -> {
   *     before(req, rsp);
   *     chain.next(req, rsp);
   *   });
   * }
   * }
* * A before handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   before("/path", (req, rsp) -> {
   *     // your code goes here
   *   });
   *
   *   get("/path", req -> {
   *     // your code goes here
   *     return ...;
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* * @param pattern Pattern to intercept. * @param handler Before handler. * @return A new route definition. */ @Nonnull default Route.Definition before(final String pattern, final Route.Before handler) { return before("*", pattern, handler); } /** *

before

* * Allows for customized handler execution chains. It will be invoked before the actual handler. * *
{@code
   * {
   *   before("*", (req, rsp) -> {
   *     // your code goes here
   *   });
   * }
   * }
* * You are allowed to modify the request and response objects. * * Please note that the before handler is just syntax sugar for {@link Route.Filter}. * For example, the before handler was implemented as: * *
{@code
   * {
   *   use("*", (req, rsp, chain) -> {
   *     before(req, rsp);
   *     chain.next(req, rsp);
   *   });
   * }
   * }
* * A before handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   before("/path", (req, rsp) -> {
   *     // your code goes here
   *   });
   *
   *   get("/path", req -> {
   *     // your code goes here
   *     return ...;
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* * @param pattern Pattern to intercept. * @param handler Before handler. * @param next Next handler. * @return A new route definition. */ @Nonnull default Route.Collection before(String pattern, Route.Before handler, Route.Before... next) { return before("*", pattern, handler, next); } /** *

before

* * Allows for customized handler execution chains. It will be invoked before the actual handler. * *
{@code
   * {
   *   before("GET", "*", (req, rsp) -> {
   *     // your code goes here
   *   });
   * }
   * }
* * You are allowed to modify the request and response objects. * * Please note that the before handler is just syntax sugar for {@link Route.Filter}. * For example, the before handler was implemented as: * *
{@code
   * {
   *   use("GET", "*", (req, rsp, chain) -> {
   *     before(req, rsp);
   *     chain.next(req, rsp);
   *   });
   * }
   * }
* * A before handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   before("GET", "/path", (req, rsp) -> {
   *     // your code goes here
   *   });
   *
   *   get("/path", req -> {
   *     // your code goes here
   *     return ...;
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* * @param method HTTP method to intercept. * @param pattern Pattern to intercept. * @param handler Before handler. * @return A new route definition. */ @Nonnull Route.Definition before(String method, String pattern, Route.Before handler); /** *

before

* * Allows for customized handler execution chains. It will be invoked before the actual handler. * *
{@code
   * {
   *   before("GET", "*", (req, rsp) -> {
   *     // your code goes here
   *   });
   * }
   * }
* * You are allowed to modify the request and response objects. * * Please note that the before handler is just syntax sugar for {@link Route.Filter}. * For example, the before handler was implemented as: * *
{@code
   * {
   *   use("GET", "*", (req, rsp, chain) -> {
   *     before(req, rsp);
   *     chain.next(req, rsp);
   *   });
   * }
   * }
* * A before handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   before("GET", "/path", (req, rsp) -> {
   *     // your code goes here
   *   });
   *
   *   get("/path", req -> {
   *     // your code goes here
   *     return ...;
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* * @param method HTTP method to intercept. * @param pattern Pattern to intercept. * @param handler Before handler. * @param next Next handler. * @return A new route definition. */ @Nonnull default Route.Collection before(String method, String pattern, Route.Before handler, Route.Before... next) { List routes = new ArrayList<>(); routes.add(before(method, pattern, handler)); Arrays.asList(next).stream() .map(h -> before(method, pattern, h)) .forEach(routes::add); return new Route.Collection(routes.toArray(new Route.Definition[routes.size()])); } /** *

after

* * Allows for customized response before sending it. It will be invoked at the time a response * need * to be send. * *
{@code
   * {
   *   after((req, rsp, result) -> {
   *     // your code goes here
   *     return result;
   *   });
   * }
   * }
* * You are allowed to modify the request, response and result objects. The handler returns a * {@link Result} which can be the same or an entirely new {@link Result}. * * A after handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   after((req, rsp, result) -> {
   *     // your code goes here
   *     return result;
   *   });
   *
   *   get("/path", req -> {
   *     return "hello";
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* * @param handler After handler. * @return A new route definition. */ @Nonnull default Route.Definition after(Route.After handler) { return after("*", handler); } /** *

after

* * Allows for customized response before sending it. It will be invoked at the time a response * need * to be send. * *
{@code
   * {
   *   after((req, rsp, result) -> {
   *     // your code goes here
   *     return result;
   *   });
   * }
   * }
* * You are allowed to modify the request, response and result objects. The handler returns a * {@link Result} which can be the same or an entirely new {@link Result}. * * A after handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   after((req, rsp, result) -> {
   *     // your code goes here
   *     return result;
   *   });
   *
   *   get("/path", req -> {
   *     return "hello";
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* * @param handler After handler. * @param next Next handler. * @return A new route definition. */ @Nonnull default Route.Collection after(Route.After handler, Route.After... next) { return after("*", handler, next); } /** *

after

* * Allows for customized response before sending it. It will be invoked at the time a response * need to be send. * *
{@code
   * {
   *   after("*", (req, rsp, result) -> {
   *     // your code goes here
   *     return result;
   *   });
   * }
   * }
* * You are allowed to modify the request, response and result objects. The handler returns a * {@link Result} which can be the same or an entirely new {@link Result}. * * A after handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   after("/path", (req, rsp, result) -> {
   *     // your code goes here
   *     return result;
   *   });
   *
   *   get("/path", req -> {
   *     return "hello";
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* * @param pattern Pattern to intercept. * @param handler After handler. * @return A new route definition. */ @Nonnull default Route.Definition after(final String pattern, final Route.After handler) { return after("*", pattern, handler); } /** *

after

* * Allows for customized response before sending it. It will be invoked at the time a response * need to be send. * *
{@code
   * {
   *   after("*", (req, rsp, result) -> {
   *     // your code goes here
   *     return result;
   *   });
   * }
   * }
* * You are allowed to modify the request, response and result objects. The handler returns a * {@link Result} which can be the same or an entirely new {@link Result}. * * A after handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   after("/path", (req, rsp, result) -> {
   *     // your code goes here
   *     return result;
   *   });
   *
   *   get("/path", req -> {
   *     return "hello";
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* * @param pattern Pattern to intercept. * @param handler After handler. * @param next Next handler. * @return A new route definition. */ @Nonnull default Route.Collection after(String pattern, Route.After handler, Route.After... next) { return after("*", pattern, handler, next); } /** *

after

* * Allows for customized response before sending it. It will be invoked at the time a response * need to be send. * *
{@code
   * {
   *   after("GET", "*", (req, rsp, result) -> {
   *     // your code goes here
   *     return result;
   *   });
   * }
   * }
* * You are allowed to modify the request, response and result objects. The handler returns a * {@link Result} which can be the same or an entirely new {@link Result}. * * A after handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   after("GET", "/path", (req, rsp, result) -> {
   *     // your code goes here
   *     return result;
   *   });
   *
   *   get("/path", req -> {
   *     return "hello";
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* * @param method HTTP method to intercept. * @param pattern Pattern to intercept. * @param handler After handler. * @return A new route definition. */ @Nonnull Route.Definition after(String method, String pattern, Route.After handler); /** *

after

* * Allows for customized response before sending it. It will be invoked at the time a response * need to be send. * *
{@code
   * {
   *   after("GET", "*", (req, rsp, result) -> {
   *     // your code goes here
   *     return result;
   *   });
   * }
   * }
* * You are allowed to modify the request, response and result objects. The handler returns a * {@link Result} which can be the same or an entirely new {@link Result}. * * A after handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   after("GET", "/path", (req, rsp, result) -> {
   *     // your code goes here
   *     return result;
   *   });
   *
   *   get("/path", req -> {
   *     return "hello";
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* * @param method HTTP method to intercept. * @param pattern Pattern to intercept. * @param handler After handler. * @param next Next handler. * @return A new route definition. */ @Nonnull default Route.Collection after(String method, String pattern, Route.After handler, Route.After... next) { List routes = new ArrayList<>(); routes.add(after(method, pattern, handler)); Arrays.asList(next).stream() .map(h -> after(method, pattern, handler)) .forEach(routes::add); return new Route.Collection(routes.toArray(new Route.Definition[routes.size()])); } /** *

complete

* * Allows for log and cleanup a request. It will be invoked after we send a response. * *
{@code
   * {
   *   complete((req, rsp, cause) -> {
   *     // your code goes here
   *   });
   * }
   * }
* * You are NOT allowed to modify the request and response objects. The cause is an * {@link Optional} with a {@link Throwable} useful to identify problems. * * The goal of the after handler is to probably cleanup request object and log * responses. * * A complete handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   complete((req, rsp, cause) -> {
   *     // your code goes here
   *   });
   *
   *   get(req -> {
   *     return "hello";
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* *

example

*

* Suppose you have a transactional resource, like a database connection. The next example shows * you how to implement a simple and effective transaction-per-request pattern: *

* *
{@code
   * {
   *   // start transaction
   *   before((req, rsp) -> {
   *     DataSource ds = req.require(DataSource.class);
   *     Connection connection = ds.getConnection();
   *     Transaction trx = connection.getTransaction();
   *     trx.begin();
   *     req.set("connection", connection);
   *     return true;
   *   });
   *
   *   // commit/rollback transaction
   *   complete((req, rsp, cause) -> {
   *     // unbind connection from request
   *     try(Connection connection = req.unset("connection").get()) {
   *       Transaction trx = connection.getTransaction();
   *       if (cause.ifPresent()) {
   *         trx.rollback();
   *       } else {
   *         trx.commit();
   *       }
   *     }
   *   });
   *
   *   // your transactional routes goes here
   *   get("/api/something", req -> {
   *     Connection connection = req.get("connection");
   *     // work with connection
   *   });
   * }
   * }
* * @param handler Complete handler. * @return A new route definition. */ @Nonnull default Route.Definition complete(final Route.Complete handler) { return complete("*", handler); } /** *

complete

* * Allows for log and cleanup a request. It will be invoked after we send a response. * *
{@code
   * {
   *   complete((req, rsp, cause) -> {
   *     // your code goes here
   *   });
   * }
   * }
* * You are NOT allowed to modify the request and response objects. The cause is an * {@link Optional} with a {@link Throwable} useful to identify problems. * * The goal of the after handler is to probably cleanup request object and log * responses. * * A complete handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   complete((req, rsp, cause) -> {
   *     // your code goes here
   *   });
   *
   *   get(req -> {
   *     return "hello";
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* *

example

*

* Suppose you have a transactional resource, like a database connection. The next example shows * you how to implement a simple and effective transaction-per-request pattern: *

* *
{@code
   * {
   *   // start transaction
   *   before((req, rsp) -> {
   *     DataSource ds = req.require(DataSource.class);
   *     Connection connection = ds.getConnection();
   *     Transaction trx = connection.getTransaction();
   *     trx.begin();
   *     req.set("connection", connection);
   *     return true;
   *   });
   *
   *   // commit/rollback transaction
   *   complete((req, rsp, cause) -> {
   *     // unbind connection from request
   *     try(Connection connection = req.unset("connection").get()) {
   *       Transaction trx = connection.getTransaction();
   *       if (cause.ifPresent()) {
   *         trx.rollback();
   *       } else {
   *         trx.commit();
   *       }
   *     }
   *   });
   *
   *   // your transactional routes goes here
   *   get("/api/something", req -> {
   *     Connection connection = req.get("connection");
   *     // work with connection
   *   });
   * }
   * }
* * @param handler Complete handler. * @param next Next handler. * @return A new route definition. */ @Nonnull default Route.Collection complete(final Route.Complete handler, Route.Complete... next) { return complete("*", handler, next); } /** *

complete

* * Allows for log and cleanup a request. It will be invoked after we send a response. * *
{@code
   * {
   *   complete("*", (req, rsp, cause) -> {
   *     // your code goes here
   *   });
   * }
   * }
* * You are NOT allowed to modify the request and response objects. The cause is an * {@link Optional} with a {@link Throwable} useful to identify problems. * * The goal of the complete handler is to probably cleanup request object and log * responses. * * A complete handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   complete("/path", (req, rsp, cause) -> {
   *     // your code goes here
   *   });
   *
   *   get("/path", req -> {
   *     return "hello";
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* *

example

*

* Suppose you have a transactional resource, like a database connection. The next example shows * you how to implement a simple and effective transaction-per-request pattern: *

* *
{@code
   * {
   *   // start transaction
   *   before("/api/*", (req, rsp) -> {
   *     DataSource ds = req.require(DataSource.class);
   *     Connection connection = ds.getConnection();
   *     Transaction trx = connection.getTransaction();
   *     trx.begin();
   *     req.set("connection", connection);
   *     return true;
   *   });
   *
   *   // commit/rollback transaction
   *   complete("/api/*", (req, rsp, cause) -> {
   *     // unbind connection from request
   *     try(Connection connection = req.unset("connection").get()) {
   *       Transaction trx = connection.getTransaction();
   *       if (cause.ifPresent()) {
   *         trx.rollback();
   *       } else {
   *         trx.commit();
   *       }
   *     }
   *   });
   *
   *   // your transactional routes goes here
   *   get("/api/something", req -> {
   *     Connection connection = req.get("connection");
   *     // work with connection
   *   });
   * }
   * }
* * @param pattern Pattern to intercept. * @param handler Complete handler. * @return A new route definition. */ @Nonnull default Route.Definition complete(final String pattern, final Route.Complete handler) { return complete("*", pattern, handler); } /** *

complete

* * Allows for log and cleanup a request. It will be invoked after we send a response. * *
{@code
   * {
   *   complete("*", (req, rsp, cause) -> {
   *     // your code goes here
   *   });
   * }
   * }
* * You are NOT allowed to modify the request and response objects. The cause is an * {@link Optional} with a {@link Throwable} useful to identify problems. * * The goal of the complete handler is to probably cleanup request object and log * responses. * * A complete handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   complete("/path", (req, rsp, cause) -> {
   *     // your code goes here
   *   });
   *
   *   get("/path", req -> {
   *     return "hello";
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* *

example

*

* Suppose you have a transactional resource, like a database connection. The next example shows * you how to implement a simple and effective transaction-per-request pattern: *

* *
{@code
   * {
   *   // start transaction
   *   before("/api/*", (req, rsp) -> {
   *     DataSource ds = req.require(DataSource.class);
   *     Connection connection = ds.getConnection();
   *     Transaction trx = connection.getTransaction();
   *     trx.begin();
   *     req.set("connection", connection);
   *     return true;
   *   });
   *
   *   // commit/rollback transaction
   *   complete("/api/*", (req, rsp, cause) -> {
   *     // unbind connection from request
   *     try(Connection connection = req.unset("connection").get()) {
   *       Transaction trx = connection.getTransaction();
   *       if (cause.ifPresent()) {
   *         trx.rollback();
   *       } else {
   *         trx.commit();
   *       }
   *     }
   *   });
   *
   *   // your transactional routes goes here
   *   get("/api/something", req -> {
   *     Connection connection = req.get("connection");
   *     // work with connection
   *   });
   * }
   * }
* * @param pattern Pattern to intercept. * @param handler Complete handler. * @param next Next handler. * @return A new route definition. */ @Nonnull default Route.Collection complete(String pattern, Route.Complete handler, Route.Complete... next) { return complete("*", pattern, handler, next); } /** *

complete

* * Allows for log and cleanup a request. It will be invoked after we send a response. * *
{@code
   * {
   *   complete("*", "*", (req, rsp, cause) -> {
   *     // your code goes here
   *   });
   * }
   * }
* * You are NOT allowed to modify the request and response objects. The cause is an * {@link Optional} with a {@link Throwable} useful to identify problems. * * The goal of the complete handler is to probably cleanup request object and log * responses. * * A complete handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   complete("*", "/path", (req, rsp, cause) -> {
   *   });
   *
   *   get("/path", req -> {
   *     return "hello";
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* *

example

*

* Suppose you have a transactional resource, like a database connection. The next example shows * you how to implement a simple and effective transaction-per-request pattern: *

* *
{@code
   * {
   *   // start transaction
   *   before((req, rsp) -> {
   *     DataSource ds = req.require(DataSource.class);
   *     Connection connection = ds.getConnection();
   *     Transaction trx = connection.getTransaction();
   *     trx.begin();
   *     req.set("connection", connection);
   *     return true;
   *   });
   *
   *   // commit/rollback transaction
   *   complete((req, rsp, cause) -> {
   *     // unbind connection from request
   *     try(Connection connection = req.unset("connection")) {
   *       Transaction trx = connection.getTransaction();
   *       if (cause.ifPresent()) {
   *         trx.rollback();
   *       } else {
   *         trx.commit();
   *       }
   *     }
   *   });
   *
   *   // your transactional routes goes here
   *   get("/my-trx-route", req -> {
   *     Connection connection = req.get("connection");
   *     // work with connection
   *   });
   * }
   * }
* * @param method HTTP method to intercept. * @param pattern Pattern to intercept. * @param handler Complete handler. * @return A new route definition. */ @Nonnull Route.Definition complete(String method, String pattern, Route.Complete handler); /** *

complete

* * Allows for log and cleanup a request. It will be invoked after we send a response. * *
{@code
   * {
   *   complete("*", "*", (req, rsp, cause) -> {
   *     // your code goes here
   *   });
   * }
   * }
* * You are NOT allowed to modify the request and response objects. The cause is an * {@link Optional} with a {@link Throwable} useful to identify problems. * * The goal of the complete handler is to probably cleanup request object and log * responses. * * A complete handler must to be registered before the actual handler you want to * intercept. * *
{@code
   * {
   *   complete("*", "/path", (req, rsp, cause) -> {
   *   });
   *
   *   get("/path", req -> {
   *     return "hello";
   *   });
   * }
   * }
* * If you reverse the order then it won't work. * *

* Remember: routes are executed in the order they are defined and the pipeline * is executed as long you don't generate a response. *

* *

example

*

* Suppose you have a transactional resource, like a database connection. The next example shows * you how to implement a simple and effective transaction-per-request pattern: *

* *
{@code
   * {
   *   // start transaction
   *   before((req, rsp) -> {
   *     DataSource ds = req.require(DataSource.class);
   *     Connection connection = ds.getConnection();
   *     Transaction trx = connection.getTransaction();
   *     trx.begin();
   *     req.set("connection", connection);
   *     return true;
   *   });
   *
   *   // commit/rollback transaction
   *   complete((req, rsp, cause) -> {
   *     // unbind connection from request
   *     try(Connection connection = req.unset("connection")) {
   *       Transaction trx = connection.getTransaction();
   *       if (cause.ifPresent()) {
   *         trx.rollback();
   *       } else {
   *         trx.commit();
   *       }
   *     }
   *   });
   *
   *   // your transactional routes goes here
   *   get("/my-trx-route", req -> {
   *     Connection connection = req.get("connection");
   *     // work with connection
   *   });
   * }
   * }
* * @param method HTTP method to intercept. * @param pattern Pattern to intercept. * @param handler Complete handler. * @param next Next handler. * @return A new route definition. */ @Nonnull default Route.Collection complete(String method, String pattern, Route.Complete handler, Route.Complete... next) { List routes = new ArrayList<>(); routes.add(complete(method, pattern, handler)); Arrays.asList(next).stream() .map(h -> complete(method, pattern, handler)) .forEach(routes::add); return new Route.Collection(routes.toArray(new Route.Definition[routes.size()])); } /** * Append a new WebSocket handler under the given path. * *
   *   ws("/ws", (socket) {@literal ->} {
   *     // connected
   *     socket.onMessage(message {@literal ->} {
   *       System.out.println(message);
   *     });
   *     socket.send("Connected"):
   *   });
   * 
* * @param path A path pattern. * @param handler A connect callback. * @return A new WebSocket definition. */ @Nonnull default WebSocket.Definition ws(final String path, final WebSocket.OnOpen1 handler) { return ws(path, (WebSocket.OnOpen) handler); } /** * Append a new WebSocket handler under the given path. * *
   *   ws("/ws", (req, socket) {@literal ->} {
   *     // connected
   *     socket.onMessage(message {@literal ->} {
   *       System.out.println(message);
   *     });
   *     socket.send("Connected"):
   *   });
   * 
* * @param path A path pattern. * @param handler A connect callback. * @return A new WebSocket definition. */ @Nonnull WebSocket.Definition ws(String path, WebSocket.OnOpen handler); /** * Append a new WebSocket handler under the given path. * *
   *   ws(MyHandler.class);
   * 
* * @param handler A message callback. * @param Message type. * @return A new WebSocket definition. */ @Nonnull default WebSocket.Definition ws(final Class> handler) { return ws("", handler); } /** * Append a new WebSocket handler under the given path. * *
   *   ws("/ws", MyHandler.class);
   * 
* * @param path A path pattern. * @param handler A message callback. * @param Message type. * @return A new WebSocket definition. */ @Nonnull WebSocket.Definition ws(String path, Class> handler); /** * Add a server-sent event handler. * *
{@code
   * {
   *   sse("/path",(req, sse) -> {
   *     // 1. connected
   *     sse.send("data"); // 2. send/push data
   *   });
   * }
   * }
* * @param path Event path. * @param handler Callback. It might executed in a different thread (web server choice). * @return A route definition. */ @Nonnull Route.Definition sse(String path, Sse.Handler handler); /** * Add a server-sent event handler. * *
{@code
   * {
   *   sse("/path", sse -> {
   *     // 1. connected
   *     sse.send("data"); // 2. send/push data
   *   });
   * }
   * }
* * @param path Event path. * @param handler Callback. It might executed in a different thread (web server choice). * @return A route definition. */ @Nonnull Route.Definition sse(String path, Sse.Handler1 handler); /** * Apply common configuration and attributes to a group of routes: * *
{@code
   * {
   *   with(() -> {
   *     get("/foo", ...);
   *
   *     get("/bar", ...);
   *
   *     get("/etc", ...);
   *
   *     ...
   *   }).attr("v1", "k1")
   *     .excludes("/public/**");
   * }
   * }
* * All the routes wrapped by with will have a v1 attribute and will * excludes/ignores a /public request. * * @param callback Route callback. * @return A route collection. */ @Nonnull Route.Collection with(Runnable callback); /** * Apply the mapper to all the functional routes. * *
{@code
   * {
   *   mapper((Integer v) -> v * 2);
   *
   *   mapper(v -> Integer.parseInt(v.toString()));
   *
   *   get("/four", () -> "2");
   * }
   * }
* * A call to /four outputs 4. Mapper are applied in reverse order. * * @param mapper Route mapper to append. * @return This instance. */ @Nonnull Router map(final Mapper mapper); /** * Setup a route error handler. Default error handler {@link Err.DefHandler} does content * negotation and this method allow to override/complement default handler. * * This is a catch all error handler. * *

html

* * If a request has an Accept: text/html header. Then, the default err handler will * ask to a {@link View.Engine} to render the err view. * * The default model has these attributes: *
   * message: exception string
   * stacktrace: exception stack-trace as an array of string
   * status: status code, like 400
   * reason: status code reason, like BAD REQUEST
   * 
* * Here is a simply public/err.html error page: * *
   * <html>
   * <body>
   * {{ "{{status" }}}}:{{ "{{reason" }}}}
   * </body>
   * </html>
   * 
* * HTTP status code will be set too. * * @param err A route error handler. * @return This router. */ @Nonnull Router err(Err.Handler err); /** * Setup a custom error handler.The error handler will be executed if the current exception is an * instance of given type type. * * All headers are reset while generating the error response. * * @param type Exception type. The error handler will be executed if the current exception is an * instance of this type. * @param handler A route error handler. * @return This router. */ @Nonnull default Router err(final Class type, final Err.Handler handler) { return err((req, rsp, x) -> { if (type.isInstance(x) || type.isInstance(x.getCause())) { handler.handle(req, rsp, x); } }); } /** * Setup a route error handler. The error handler will be executed if current status code matches * the one provided. * * All headers are reset while generating the error response. * * @param statusCode The status code to match. * @param handler A route error handler. * @return This router. */ @Nonnull default Router err(final int statusCode, final Err.Handler handler) { return err((req, rsp, x) -> { if (statusCode == x.statusCode()) { handler.handle(req, rsp, x); } }); } /** * Setup a route error handler. The error handler will be executed if current status code matches * the one provided. * * All headers are reset while generating the error response. * * @param code The status code to match. * @param handler A route error handler. * @return This router. */ @Nonnull default Router err(final Status code, final Err.Handler handler) { return err((req, rsp, x) -> { if (code.value() == x.statusCode()) { handler.handle(req, rsp, x); } }); } /** * Setup a route error handler. The error handler will be executed if current status code matches * the one provided. * * All headers are reset while generating the error response. * * @param predicate Apply the error handler if the predicate evaluates to true. * @param handler A route error handler. * @return This router. */ @Nonnull default Router err(final Predicate predicate, final Err.Handler handler) { return err((req, rsp, err) -> { if (predicate.test(Status.valueOf(err.statusCode()))) { handler.handle(req, rsp, err); } }); } /** * Produces a deferred response, useful for async request processing. By default a * {@link Deferred} results run in the current thread. * * This is intentional because application code (your code) always run in a worker thread. There * is a thread pool of 100 worker threads, defined by the property: * server.threads.Max. * * That's why a {@link Deferred} result runs in the current thread (no need to use a new thread), * unless you want to apply a different thread model and or use a reactive/async library. * * As a final thought you might want to reduce the number of worker thread if you are going to a * build a full reactive/async application. * *

usage

* *
   * {
   *    get("/async", promise(deferred {@literal ->} {
   *      try {
   *        deferred.resolve(...); // success value
   *      } catch (Exception ex) {
   *        deferred.reject(ex); // error value
   *      }
   *    }));
   *  }
   * 
* *

* This method is useful for integrating reactive/async libraries. Here is an example on how to * use RxJava: *

* *
{@code
   * {
   *    get("/rx", promise(deferred -> {
   *      Observable.create(s -> {
   *      s.onNext(...);
   *      s.onCompleted();
   *    }).subscribeOn(Schedulers.computation())
   *      .subscribe(deferred::resolve, deferred::reject);
   *   }));
   * }
   * }
* *

* This is just an example because there is a Rx module. *

* *

* Checkout the {@link #deferred(org.jooby.Route.ZeroArgHandler)} methods to see how to use a * plain {@link Executor}. *

* * @param initializer Deferred initializer. * @return A new deferred handler. * @see Deferred */ @Nonnull Route.OneArgHandler promise(Deferred.Initializer initializer); /** * Produces a deferred response, useful for async request processing. Like * {@link #promise(org.jooby.Deferred.Initializer)} but allow you to specify an {@link Executor} * to use. See {@link Jooby#executor(Executor)} and {@link Jooby#executor(String, Executor)}. * *

usage

* *
   * {
   *    executor("forkjoin", new ForkJoinPool());
   *
   *    get("/async", promise("forkjoin", deferred {@literal ->} {
   *      try {
   *        deferred.resolve(...); // success value
   *      } catch (Exception ex) {
   *        deferred.reject(ex); // error value
   *      }
   *    }));
   *  }
   * 
* *

* Checkout the {@link #deferred(org.jooby.Route.ZeroArgHandler)} methods to see how to use a * plain {@link Executor}. *

* * @param executor Executor to run the deferred. * @param initializer Deferred initializer. * @return A new deferred handler. * @see Deferred */ @Nonnull Route.OneArgHandler promise(String executor, Deferred.Initializer initializer); /** * Produces a deferred response, useful for async request processing. Like * {@link #promise(org.jooby.Deferred.Initializer)} but give you access to {@link Request}. * *

usage

* *
   * {
   *    ExecutorService executor = ...;
   *
   *    get("/async", promise((req, deferred) {@literal ->} {
   *      executor.execute(() {@literal ->} {
   *        try {
   *          deferred.resolve(req.param("param").value()); // success value
   *        } catch (Exception ex) {
   *          deferred.reject(ex); // error value
   *        }
   *      });
   *    }));
   *  }
   * 
* * @param initializer Deferred initializer. * @return A new deferred handler. * @see Deferred */ @Nonnull Route.OneArgHandler promise(Deferred.Initializer0 initializer); /** * Produces a deferred response, useful for async request processing. Like * {@link #promise(String, org.jooby.Deferred.Initializer)} but give you access to * {@link Request}. * *

usage

* *
   * {
   *    get("/async", promise("myexec", (req, deferred) {@literal ->} {
   *      // resolve a success value
   *      deferred.resolve(req.param("param").value());
   *    }));
   *  }
   * 
* * @param executor Executor to run the deferred. * @param initializer Deferred initializer. * @return A new deferred handler. * @see Deferred */ @Nonnull Route.OneArgHandler promise(String executor, Deferred.Initializer0 initializer); /** * Functional version of {@link #promise(org.jooby.Deferred.Initializer)}. To use ideally with one * or more {@link Executor}: * *
{@code
   * {
   *   executor("cached", Executors.newCachedExecutor());
   *
   *   get("/fork", deferred("cached", req -> {
   *     return req.param("value").value();
   *   }));
   * }
   * }
* * This handler automatically {@link Deferred#resolve(Object)} or * {@link Deferred#reject(Throwable)} a route handler response. * * @param executor Executor to run the deferred. * @param handler Application block. * @return A new deferred handler. */ @Nonnull default Route.ZeroArgHandler deferred(final String executor, final Route.OneArgHandler handler) { return () -> Deferred.deferred(executor, handler); } /** * Functional version of {@link #promise(org.jooby.Deferred.Initializer)}. * * Using the default executor (current thread): * *
{@code
   * {
   *   get("/fork", deferred(req -> {
   *     return req.param("value").value();
   *   }));
   * }
   * }
* * Using a custom executor: * *
{@code
   * {
   *   executor(new ForkJoinPool());
   *
   *   get("/fork", deferred(req -> {
   *     return req.param("value").value();
   *   }));
   * }
   * }
* * This handler automatically {@link Deferred#resolve(Object)} or * {@link Deferred#reject(Throwable)} a route handler response. * * @param handler Application block. * @return A new deferred handler. */ @Nonnull default Route.ZeroArgHandler deferred(final Route.OneArgHandler handler) { return () -> Deferred.deferred(handler); } /** * Functional version of {@link #promise(org.jooby.Deferred.Initializer)}. To use ideally with one * or more {@link Executor}: * *
{@code
   * {
   *   executor("cached", Executors.newCachedExecutor());
   *
   *   get("/fork", deferred("cached", () -> {
   *     return "OK";
   *   }));
   * }
   * }
* * This handler automatically {@link Deferred#resolve(Object)} or * {@link Deferred#reject(Throwable)} a route handler response. * * @param executor Executor to run the deferred. * @param handler Application block. * @return A new deferred handler. */ @Nonnull default Route.ZeroArgHandler deferred(final String executor, final Route.ZeroArgHandler handler) { return () -> Deferred.deferred(executor, handler); } /** * Functional version of {@link #promise(org.jooby.Deferred.Initializer)}. * * Using the default executor (current thread): * *
{@code
   * {
   *   get("/fork", deferred(() -> {
   *     return req.param("value").value();
   *   }));
   * }
   * }
* * Using a custom executor: * *
{@code
   * {
   *   executor(new ForkJoinPool());
   *
   *   get("/fork", deferred(() -> {
   *     return req.param("value").value();
   *   }));
   * }
   * }
* * This handler automatically {@link Deferred#resolve(Object)} or * {@link Deferred#reject(Throwable)} a route handler response. * * @param handler Application block. * @return A new deferred handler. */ @Nonnull default Route.ZeroArgHandler deferred(final Route.ZeroArgHandler handler) { return () -> Deferred.deferred(handler); } }