Java tutorial
/******************************************************************************* * Copyright (c) 2015 Pawel Zalejko(p.zalejko@gmail.com). * * All rights reserved. This program and the accompanying materials * are made available under the terms of the Apache License Version 2.0 * which accompanies this distribution, and is available at * http://www.apache.org/licenses/ *******************************************************************************/ package pzalejko.iot.client.web.controller; import java.text.MessageFormat; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.messaging.handler.annotation.MessageMapping; import org.springframework.messaging.handler.annotation.SendTo; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import pzalejko.iot.client.web.entity.LoginInput; import pzalejko.iot.client.web.entity.loginResult; import pzalejko.iot.client.web.mqtt.MqttHandler; import pzalejko.iot.client.web.ws.WebSocketConfig; //@RestController @Controller @RequestMapping("/") public class ItemController { private static final String LOG_FORMAT = "Connected to {0} as {1}."; @Value("${mqtt.host}") private String mqttHostName; @Autowired private MqttHandler mqttHandler; @MessageMapping(WebSocketConfig.APP_GET_TOPIC) @SendTo(WebSocketConfig.CONNECTION_PUSH_TOPIC) public loginResult logIn(LoginInput input) { try { mqttHandler.connect(input.getName(), mqttHostName); return new loginResult(MessageFormat.format(LOG_FORMAT, mqttHostName, input.getName())); } catch (Exception e) { return new loginResult(e.getMessage()); } } }