content: package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.response.cmd;
  
  import com.genersoft.iot.vmp.gb28181.bean.Device;
  import com.genersoft.iot.vmp.gb28181.bean.Platform;
  import com.genersoft.iot.vmp.gb28181.service.IDeviceService;
  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.response.ResponseMessageHandler;
  import gov.nist.javax.sip.message.SIPRequest;
  import lombok.extern.slf4j.Slf4j;
  import org.dom4j.DocumentException;
  import org.dom4j.Element;
  import org.springframework.beans.factory.InitializingBean;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Component;
  import org.springframework.util.ObjectUtils;
  
  import javax.sip.InvalidArgumentException;
  import javax.sip.RequestEvent;
  import javax.sip.SipException;
  import javax.sip.message.Response;
  import java.text.ParseException;
  
  import static com.genersoft.iot.vmp.gb28181.utils.XmlUtil.getText;
  
  /**
   * @author lin
   */
  @Slf4j
  @Component
  public class DeviceInfoResponseMessageHandler extends SIPRequestProcessorParent implements InitializingBean, IMessageHandler {
  
      private final String cmdType = "DeviceInfo";
  
      @Autowired
      private ResponseMessageHandler responseMessageHandler;
  
  
      @Autowired
      private IDeviceService deviceService;
  
      @Override
      public void afterPropertiesSet() throws Exception {
          responseMessageHandler.addHandler(cmdType, this);
      }
  
      @Override
      public void handForDevice(RequestEvent evt, Device device, Element rootElement) {
          log.debug("接收到DeviceInfo应答消息");
          // 检查设备是否存在， 不存在则不回复
          if (device == null || !device.isOnLine()) {
              log.warn("[接收到DeviceInfo应答消息,但是设备已经离线]：" + (device != null ? device.getDeviceId():"" ));
              return;
          }
          SIPRequest request = (SIPRequest) evt.getRequest();
          try {
              rootElement = getRootElement(evt, device.getCharset());
  
              if (rootElement == null) {
                  log.warn("[ 接收到DeviceInfo应答消息 ] content cannot be null, {}", evt.getRequest());
                  try {
                      responseAck((SIPRequest) evt.getRequest(), Response.BAD_REQUEST);
                  } catch (SipException | InvalidArgumentException | ParseException e) {
                      log.error("[命令发送失败] DeviceInfo应答消息 BAD_REQUEST: {}", e.getMessage());
                  }
                  return;
              }
              device.setName(getText(rootElement, "DeviceName"));
  
              device.setManufacturer(getText(rootElement, "Manufacturer"));
              device.setModel(getText(rootElement, "Model"));
              device.setFirmware(getText(rootElement, "Firmware"));
              if (ObjectUtils.isEmpty(device.getStreamMode())) {
                  device.setStreamMode("TCP-PASSIVE");
              }
              deviceService.updateDevice(device);
              responseMessageHandler.handMessageEvent(rootElement, device);
  
          } catch (DocumentException e) {
              throw new RuntimeException(e);
          }
          try {
              // 回复200 OK
              responseAck(request, Response.OK);
          } catch (SipException | InvalidArgumentException | ParseException e) {
              log.error("[命令发送失败] DeviceInfo应答消息 200: {}", e.getMessage());
          }
  
      }
  
      @Override
      public void handForPlatform(RequestEvent evt, Platform parentPlatform, Element rootElement) {
  
      }
  }
  