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59 lines
2.0 KiB
59 lines
2.0 KiB
package com.hxjt.dataupload.mqtt;
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import com.alibaba.fastjson.JSONObject;
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import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken;
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import org.eclipse.paho.client.mqttv3.MqttMessage;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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@Component
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public class MqttCallback implements org.eclipse.paho.client.mqttv3.MqttCallback {
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private static final Logger logger = LoggerFactory.getLogger(MqttClient.class);
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@Autowired
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private MqttConfig mqttConfig;
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private static org.eclipse.paho.client.mqttv3.MqttClient client;
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private static String _topic;
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private static String _qos;
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private static String _msg;
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@Override
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public void connectionLost(Throwable throwable) {
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/*// 连接丢失后，一般在这里面进行重连
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logger.info("连接断开，可以做重连");
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if (client == null || !client.isConnected()) {
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mqttConfig.getMqttPushClient();
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}*/
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}
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@Override
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public void messageArrived(String topic, MqttMessage mqttMessage) throws Exception {
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// subscribe后得到的消息会执行到这里面
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logger.info("接收消息主题 : " + topic);
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logger.info("接收消息Qos : " + mqttMessage.getQos());
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logger.info("接收消息内容 : " + new String(mqttMessage.getPayload()));
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_topic = topic;
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_qos = mqttMessage.getQos()+"";
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_msg = new String(mqttMessage.getPayload());
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}
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@Override
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public void deliveryComplete(IMqttDeliveryToken iMqttDeliveryToken) {
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logger.info("deliveryComplete---------" + iMqttDeliveryToken.isComplete());
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}
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//别的Controller层会调用这个方法来 获取 接收到的硬件数据
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public String receive() {
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JSONObject jsonObject = new JSONObject();
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jsonObject.put("topic", _topic);
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jsonObject.put("qos", _qos);
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jsonObject.put("msg", _msg);
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return jsonObject.toString();
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}
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}
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