|  |  | 
 |  |  | 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 org.dom4j.Element; | 
 |  |  | import org.slf4j.Logger; | 
 |  |  | import org.slf4j.LoggerFactory; | 
 |  |  | 
 |  |  |         FromHeader fromHeader = (FromHeader) evt.getRequest().getHeader(FromHeader.NAME); | 
 |  |  |         try { | 
 |  |  |             // 回复200 OK | 
 |  |  |             responseAck(getServerTransaction(evt), Response.OK); | 
 |  |  |         } catch (SipException e) { | 
 |  |  |             e.printStackTrace(); | 
 |  |  |         } catch (InvalidArgumentException e) { | 
 |  |  |             e.printStackTrace(); | 
 |  |  |         } catch (ParseException e) { | 
 |  |  |             e.printStackTrace(); | 
 |  |  |             responseAck((SIPRequest) evt.getRequest(), Response.OK); | 
 |  |  |         } catch (SipException | InvalidArgumentException | ParseException e) { | 
 |  |  |             logger.error("[命令发送失败] DeviceInfo查询回复: {}", e.getMessage()); | 
 |  |  |         } | 
 |  |  |         String sn = rootElement.element("SN").getText(); | 
 |  |  |         cmderFroPlatform.deviceInfoResponse(parentPlatform, sn, fromHeader.getTag()); | 
 |  |  |         try { | 
 |  |  |             cmderFroPlatform.deviceInfoResponse(parentPlatform, sn, fromHeader.getTag()); | 
 |  |  |         } catch (SipException | InvalidArgumentException | ParseException e) { | 
 |  |  |             logger.error("[命令发送失败] 国标级联 DeviceInfo查询回复: {}", e.getMessage()); | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  | } |