spring-session MessageController 源码
spring-session MessageController 代码
文件路径：/spring-session-samples/spring-session-sample-boot-websocket/src/main/java/sample/mvc/MessageController.java
/*
* Copyright 2014-2019 the original author or authors.
*
* 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
*
* https://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 sample.mvc;
import java.util.List;
import sample.data.ActiveWebSocketUserRepository;
import sample.data.InstantMessage;
import sample.data.User;
import sample.security.CurrentUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.messaging.Message;
import org.springframework.messaging.handler.annotation.MessageMapping;
import org.springframework.messaging.simp.SimpMessageSendingOperations;
import org.springframework.messaging.simp.annotation.SubscribeMapping;
import org.springframework.stereotype.Controller;
/**
* Controller for managing {@link Message} instances.
*
* @author Rob Winch
*
*/
@Controller
public class MessageController {
private SimpMessageSendingOperations messagingTemplate;
private ActiveWebSocketUserRepository activeUserRepository;
@Autowired
public MessageController(ActiveWebSocketUserRepository activeUserRepository,
SimpMessageSendingOperations messagingTemplate) {
this.activeUserRepository = activeUserRepository;
this.messagingTemplate = messagingTemplate;
}
@MessageMapping("/im")
public void im(InstantMessage im, @CurrentUser User currentUser) {
im.setFrom(currentUser.getEmail());
this.messagingTemplate.convertAndSendToUser(im.getTo(), "/queue/messages", im);
this.messagingTemplate.convertAndSendToUser(im.getFrom(), "/queue/messages", im);
}
@SubscribeMapping("/users")
public List<String> subscribeMessages() {
return this.activeUserRepository.findAllActiveUsers();
}
}
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