content: package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.query.cmd;
  
  import com.genersoft.iot.vmp.gb28181.bean.CommonGBChannel;
  import com.genersoft.iot.vmp.gb28181.bean.Device;
  import com.genersoft.iot.vmp.gb28181.bean.Platform;
  import com.genersoft.iot.vmp.gb28181.service.IGbChannelService;
  import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommanderForPlatform;
  import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
  import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.IMessageHandler;
  import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.query.QueryMessageHandler;
  import gov.nist.javax.sip.message.SIPRequest;
  import lombok.extern.slf4j.Slf4j;
  import org.dom4j.Element;
  import org.springframework.beans.factory.InitializingBean;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Component;
  
  import javax.sip.InvalidArgumentException;
  import javax.sip.RequestEvent;
  import javax.sip.SipException;
  import javax.sip.header.FromHeader;
  import javax.sip.message.Response;
  import java.text.ParseException;
  
  import static com.genersoft.iot.vmp.gb28181.utils.XmlUtil.getText;
  
  @Slf4j
  @Component
  public class DeviceStatusQueryMessageHandler extends SIPRequestProcessorParent implements InitializingBean, IMessageHandler {
  
      private final String cmdType = "DeviceStatus";
  
      @Autowired
      private QueryMessageHandler queryMessageHandler;
  
      @Autowired
      private IGbChannelService channelService;
  
      @Autowired
      private ISIPCommanderForPlatform cmderFroPlatform;
  
      @Override
      public void afterPropertiesSet() throws Exception {
          queryMessageHandler.addHandler(cmdType, this);
      }
  
      @Override
      public void handForDevice(RequestEvent evt, Device device, Element element) {
  
      }
  
      @Override
      public void handForPlatform(RequestEvent evt, Platform parentPlatform, Element rootElement) {
  
          log.info("接收到DeviceStatus查询消息");
          FromHeader fromHeader = (FromHeader) evt.getRequest().getHeader(FromHeader.NAME);
          // 回复200 OK
          try {
              responseAck((SIPRequest) evt.getRequest(), Response.OK);
          } catch (SipException | InvalidArgumentException | ParseException e) {
              log.error("[命令发送失败] 国标级联 DeviceStatus查询回复200OK: {}", e.getMessage());
          }
          String sn = rootElement.element("SN").getText();
          String channelId = getText(rootElement, "DeviceID");
          CommonGBChannel channel= channelService.queryOneWithPlatform(parentPlatform.getId(), channelId);
          if (channel ==null){
              log.error("[平台没有该通道的使用权限]:platformId"+parentPlatform.getServerGBId()+"  deviceID:"+channelId);
              return;
          }
          try {
              cmderFroPlatform.deviceStatusResponse(parentPlatform, channelId, sn, fromHeader.getTag(), "ON".equalsIgnoreCase(channel.getGbStatus()));
          } catch (SipException | InvalidArgumentException | ParseException e) {
              log.error("[命令发送失败] 国标级联 DeviceStatus查询回复: {}", e.getMessage());
          }
      }
  }
  