Java tutorial
/* * Copyright 2014 Red Hat, Inc. * * Red Hat licenses this file to you 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 fr.pjthin.vertx.client; import fr.pjthin.vertx.client.UserDao; import io.vertx.core.eventbus.DeliveryOptions; import io.vertx.core.Vertx; import io.vertx.core.Future; import io.vertx.core.json.JsonObject; import io.vertx.core.json.JsonArray; import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Set; import java.util.stream.Collectors; import java.util.function.Function; import io.vertx.serviceproxy.ProxyHelper; import java.util.List; import io.vertx.core.Vertx; import fr.pjthin.vertx.client.UserDao; import io.vertx.core.AsyncResult; import io.vertx.core.Handler; import fr.pjthin.vertx.client.data.User; /* Generated Proxy code - DO NOT EDIT @author Roger the Robot */ public class UserDaoVertxEBProxy implements UserDao { private Vertx _vertx; private String _address; private DeliveryOptions _options; private boolean closed; public UserDaoVertxEBProxy(Vertx vertx, String address) { this(vertx, address, null); } public UserDaoVertxEBProxy(Vertx vertx, String address, DeliveryOptions options) { this._vertx = vertx; this._address = address; this._options = options; } public void save(User newUser, Handler<AsyncResult<String>> complete) { if (closed) { complete.handle(Future.failedFuture(new IllegalStateException("Proxy is closed"))); return; } JsonObject _json = new JsonObject(); _json.put("newUser", newUser == null ? null : newUser.toJson()); DeliveryOptions _deliveryOptions = (_options != null) ? new DeliveryOptions(_options) : new DeliveryOptions(); _deliveryOptions.addHeader("action", "save"); _vertx.eventBus().<String>send(_address, _json, _deliveryOptions, res -> { if (res.failed()) { complete.handle(Future.failedFuture(res.cause())); } else { complete.handle(Future.succeededFuture(res.result().body())); } }); } public void findAll(Handler<AsyncResult<List<User>>> complete) { if (closed) { complete.handle(Future.failedFuture(new IllegalStateException("Proxy is closed"))); return; } JsonObject _json = new JsonObject(); DeliveryOptions _deliveryOptions = (_options != null) ? new DeliveryOptions(_options) : new DeliveryOptions(); _deliveryOptions.addHeader("action", "findAll"); _vertx.eventBus().<JsonArray>send(_address, _json, _deliveryOptions, res -> { if (res.failed()) { complete.handle(Future.failedFuture(res.cause())); } else { complete.handle(Future.succeededFuture(res.result().body().stream() .map(o -> o instanceof Map ? new User(new JsonObject((Map) o)) : new User((JsonObject) o)) .collect(Collectors.toList()))); } }); } public void findUserByLogin(String login, Handler<AsyncResult<User>> complete) { if (closed) { complete.handle(Future.failedFuture(new IllegalStateException("Proxy is closed"))); return; } JsonObject _json = new JsonObject(); _json.put("login", login); DeliveryOptions _deliveryOptions = (_options != null) ? new DeliveryOptions(_options) : new DeliveryOptions(); _deliveryOptions.addHeader("action", "findUserByLogin"); _vertx.eventBus().<JsonObject>send(_address, _json, _deliveryOptions, res -> { if (res.failed()) { complete.handle(Future.failedFuture(res.cause())); } else { complete.handle( Future.succeededFuture(res.result().body() == null ? null : new User(res.result().body()))); } }); } public void deleteByLogin(String login, Handler<AsyncResult<Void>> complete) { if (closed) { complete.handle(Future.failedFuture(new IllegalStateException("Proxy is closed"))); return; } JsonObject _json = new JsonObject(); _json.put("login", login); DeliveryOptions _deliveryOptions = (_options != null) ? new DeliveryOptions(_options) : new DeliveryOptions(); _deliveryOptions.addHeader("action", "deleteByLogin"); _vertx.eventBus().<Void>send(_address, _json, _deliveryOptions, res -> { if (res.failed()) { complete.handle(Future.failedFuture(res.cause())); } else { complete.handle(Future.succeededFuture(res.result().body())); } }); } public void close() { if (closed) { throw new IllegalStateException("Proxy is closed"); } closed = true; JsonObject _json = new JsonObject(); DeliveryOptions _deliveryOptions = (_options != null) ? new DeliveryOptions(_options) : new DeliveryOptions(); _deliveryOptions.addHeader("action", "close"); _vertx.eventBus().send(_address, _json, _deliveryOptions); } private List<Character> convertToListChar(JsonArray arr) { List<Character> list = new ArrayList<>(); for (Object obj : arr) { Integer jobj = (Integer) obj; list.add((char) (int) jobj); } return list; } private Set<Character> convertToSetChar(JsonArray arr) { Set<Character> set = new HashSet<>(); for (Object obj : arr) { Integer jobj = (Integer) obj; set.add((char) (int) jobj); } return set; } private <T> Map<String, T> convertMap(Map map) { if (map.isEmpty()) { return (Map<String, T>) map; } Object elem = map.values().stream().findFirst().get(); if (!(elem instanceof Map) && !(elem instanceof List)) { return (Map<String, T>) map; } else { Function<Object, T> converter; if (elem instanceof List) { converter = object -> (T) new JsonArray((List) object); } else { converter = object -> (T) new JsonObject((Map) object); } return ((Map<String, T>) map).entrySet().stream() .collect(Collectors.toMap(Map.Entry::getKey, converter::apply)); } } private <T> List<T> convertList(List list) { if (list.isEmpty()) { return (List<T>) list; } Object elem = list.get(0); if (!(elem instanceof Map) && !(elem instanceof List)) { return (List<T>) list; } else { Function<Object, T> converter; if (elem instanceof List) { converter = object -> (T) new JsonArray((List) object); } else { converter = object -> (T) new JsonObject((Map) object); } return (List<T>) list.stream().map(converter).collect(Collectors.toList()); } } private <T> Set<T> convertSet(List list) { return new HashSet<T>(convertList(list)); } }