Created
April 21, 2017 06:03
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Simple RESTful API using vertx-web
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| import io.vertx.core.Vertx; | |
| import io.vertx.core.http.HttpMethod; | |
| import io.vertx.core.http.HttpServer; | |
| import io.vertx.core.json.JsonObject; | |
| import io.vertx.ext.web.Router; | |
| public class RestCrudHttpd { | |
| public static void main(String[] args) { | |
| Vertx vertx = Vertx.vertx(); | |
| HttpServer server = vertx.createHttpServer(); | |
| Router mainRouter = Router.router(vertx); | |
| Router dbapiRouter = Router.router(vertx); | |
| mainRouter.mountSubRouter("/dbapi", dbapiRouter); | |
| dbapiRouter.route().handler(routingContext -> { | |
| System.out.println("http request is comming ...: " + routingContext.request().absoluteURI()); | |
| routingContext.response().putHeader("Server", "autorest4db"); | |
| routingContext.response().putHeader("Content-Type", "application/json;charset=UTF-8"); | |
| routingContext.next(); | |
| }); | |
| dbapiRouter.route(HttpMethod.GET, "/:dbname").handler(routingContext -> { | |
| String dbname = routingContext.request().getParam("dbname"); | |
| JsonObject json = new JsonObject().put("action", "list").put("dbname", dbname); | |
| routingContext.response().end(json.toString()); | |
| }); | |
| dbapiRouter.route(HttpMethod.GET, "/:dbname/:id").handler(routingContext -> { | |
| String dbname = routingContext.request().getParam("dbname"); | |
| String id = routingContext.request().getParam("id"); | |
| JsonObject json = new JsonObject().put("action", "detail").put("dbname", dbname).put("id", id); | |
| routingContext.response().end(json.toString()); | |
| }); | |
| dbapiRouter.route(HttpMethod.POST, "/:dbname").handler(routingContext -> { | |
| String dbname = routingContext.request().getParam("dbname"); | |
| JsonObject json = new JsonObject().put("action", "create").put("dbname", dbname); | |
| routingContext.response().end(json.toString()); | |
| }); | |
| dbapiRouter.route(HttpMethod.PUT, "/:dbname/:id").handler(routingContext -> { | |
| String dbname = routingContext.request().getParam("dbname"); | |
| String id = routingContext.request().getParam("id"); | |
| JsonObject json = new JsonObject().put("action", "update").put("dbname", dbname).put("id", id); | |
| routingContext.response().end(json.toString()); | |
| }); | |
| dbapiRouter.route(HttpMethod.DELETE, "/:dbname/:id").handler(routingContext -> { | |
| String dbname = routingContext.request().getParam("dbname"); | |
| String id = routingContext.request().getParam("id"); | |
| JsonObject json = new JsonObject().put("action", "delete").put("dbname", dbname).put("id", id); | |
| routingContext.response().end(json.toString()); | |
| }); | |
| server.requestHandler(mainRouter::accept); | |
| server.listen(8080); | |
| System.out.println("listening on: 8080"); | |
| } | |
| } |
GET /student
$ curl -i -X GET http://localhost:8080/dbapi/student
HTTP/1.1 200 OK
Server: autorest4db
Content-Type: application/json;charset=UTF-8
Content-Length: 36
{"action":"list","dbname":"student"}%
GET /student/1234
$ curl -i -X GET http://localhost:8080/dbapi/student/1234
HTTP/1.1 200 OK
Server: autorest4db
Content-Type: application/json;charset=UTF-8
Content-Length: 50
{"action":"detail","dbname":"student","id":"1234"}
POST /student
$ curl -i -X POST http://localhost:8080/dbapi/student
HTTP/1.1 200 OK
Server: autorest4db
Content-Type: application/json;charset=UTF-8
Content-Length: 38
{"action":"create","dbname":"student"}
PUT /student/1234
$ curl -i -X PUT http://localhost:8080/dbapi/student/1234
HTTP/1.1 200 OK
Server: autorest4db
Content-Type: application/json;charset=UTF-8
Content-Length: 50
{"action":"update","dbname":"student","id":"1234"}
DELETE /student/1234
$ curl -i -X DELETE http://localhost:8080/dbapi/student/1234
HTTP/1.1 200 OK
Server: autorest4db
Content-Type: application/json;charset=UTF-8
Content-Length: 50
{"action":"delete","dbname":"student","id":"1234"}
maven dependency
<dependency>
<groupId>io.vertx</groupId>
<artifactId>vertx-web</artifactId>
<version>3.4.1</version>
</dependency>
重构-1
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testing url