Java tutorial
/** * The MIT License * Copyright (c) 2015 the-james-burton * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package org.jimsey.projects.turbine.condenser.web; import java.time.OffsetDateTime; import java.util.Date; import java.util.Map; import org.jimsey.projects.turbine.condenser.service.Ping; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; 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; @Controller public class TestController { private static final Logger logger = LoggerFactory.getLogger(TestController.class); @Autowired private Ping ping; @RequestMapping("/test") public String welcome(Map<String, Object> model) { logger.info("welcome()"); model.put("time", new Date()); model.put("message", "Hello from TestController via freemarker!"); return "test"; } @MessageMapping("/ping") @SendTo("/topic/ping") public PingResponse ping() throws Exception { logger.info("ping()"); return new PingResponse(ping.ping()); } // TODO cannot seem to make this work with RabbitMQ as the broker, so a // camel route has been setup to handling incoming messages instead... @Deprecated @MessageMapping("/request") @SendTo("/topic/reply") public ReplyResponse reply(ReplyResponse message) throws Exception { logger.info("reply({})", message.getMessage()); ReplyResponse response = new ReplyResponse(); // OffsetDateTime.ofInstant(Instant.ofEpochMilli(date), ZoneId.systemDefault()) long date = OffsetDateTime.now().toInstant().toEpochMilli(); response.setMessage(String.format("Hello %s, the time here is %s", message.getMessage(), date)); return response; } }