package com.dji.sample.component.mqtt.handler;
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import com.dji.sample.component.mqtt.model.ChannelName;
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import com.dji.sample.component.mqtt.model.CommonTopicReceiver;
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import com.dji.sample.component.mqtt.model.RequestsMethodEnum;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.integration.dsl.IntegrationFlow;
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import org.springframework.integration.dsl.IntegrationFlows;
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import java.io.IOException;
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import java.util.Arrays;
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/**
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* @author sean
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* @version 1.0
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* @date 2022/5/25
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*/
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@Configuration
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public class RequestsRouter {
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@Autowired
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private ObjectMapper mapper;
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@Bean
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public IntegrationFlow requestsMethodRouterFlow() {
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return IntegrationFlows
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.from(ChannelName.INBOUND_REQUESTS)
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.<byte[], CommonTopicReceiver>transform(payload -> {
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try {
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return mapper.readValue(payload, CommonTopicReceiver.class);
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} catch (IOException e) {
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e.printStackTrace();
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}
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return new CommonTopicReceiver();
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})
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.<CommonTopicReceiver, RequestsMethodEnum>route(
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receiver -> RequestsMethodEnum.find(receiver.getMethod()),
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mapping -> Arrays.stream(RequestsMethodEnum.values()).forEach(
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methodEnum -> mapping.channelMapping(methodEnum, methodEnum.getChannelName())))
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.get();
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}
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}
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