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package com.dji.sample.manage.handler;
import com.dji.sample.component.mqtt.model.TopicStateReceiver;
import com.dji.sample.manage.model.enums.StateDataEnum;
import com.dji.sample.manage.model.receiver.CapacityDeviceReceiver;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Service;
/**
* @author sean
* @version 0.3
* @date 2022/2/21
*/
@Service
public class StateLiveCapacityHandler extends AbstractStateTopicHandler {
private static final String DEVICE_LIST = "device_list";
protected StateLiveCapacityHandler(@Autowired @Qualifier("stateDefaultHandler") AbstractStateTopicHandler handler) {
super(handler);
}
@Override
public TopicStateReceiver handleState(JsonNode dataNode, TopicStateReceiver stateReceiver, String sn) throws JsonProcessingException {
String name = dataNode.fieldNames().next();
JsonNode childNode = dataNode.findPath(name);
// Determine if it is live capacity data based on name.
if (name.equals(StateDataEnum.LIVE_CAPACITY.getDesc())) {
JsonNode deviceNode = childNode.findPath(DEVICE_LIST);
stateReceiver.setData(
mapper.treeToValue(deviceNode.get(0), CapacityDeviceReceiver.class));
return stateReceiver;
}
return handler.handleState(dataNode, stateReceiver, sn);
}
}