package com.dji.sample.component.websocket.service.impl;
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import com.dji.sample.component.websocket.config.ConcurrentWebSocketSession;
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import com.dji.sample.component.websocket.model.CustomWebSocketMessage;
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import com.dji.sample.component.websocket.service.ISendMessageService;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import org.springframework.web.socket.TextMessage;
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import java.io.IOException;
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import java.util.Collection;
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/**
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* @author sean.zhou
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* @version 0.1
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* @date 2021/11/24
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*/
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@Service
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@Slf4j
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public class SendMessageServiceImpl implements ISendMessageService {
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@Override
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public void sendMessage(ConcurrentWebSocketSession session, CustomWebSocketMessage message) {
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if (session == null) {
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return;
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}
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try {
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if (!session.isOpen()) {
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session.close();
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log.debug("This session is closed.");
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return;
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}
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ObjectMapper mapper = new ObjectMapper();
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session.sendMessage(new TextMessage(mapper.writeValueAsBytes(message)));
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} catch (IOException e) {
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log.info("Failed to publish the message. {}", message.toString());
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e.printStackTrace();
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}
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}
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@Override
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public void sendBatch(Collection<ConcurrentWebSocketSession> sessions, CustomWebSocketMessage message) {
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if (sessions.isEmpty()) {
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return;
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}
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try {
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ObjectMapper mapper = new ObjectMapper();
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TextMessage data = new TextMessage(mapper.writeValueAsBytes(message));
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for (ConcurrentWebSocketSession session : sessions) {
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if (!session.isOpen()) {
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session.close();
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log.debug("This session is closed.");
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return;
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}
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session.sendMessage(data);
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}
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} catch (IOException e) {
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log.info("Failed to publish the message. {}", message.toString());
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e.printStackTrace();
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}
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}
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}
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