package com.genersoft.iot.vmp.gb28181.transmit.request.impl;
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import java.io.ByteArrayInputStream;
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import java.text.ParseException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import javax.sip.InvalidArgumentException;
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import javax.sip.RequestEvent;
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import javax.sip.SipException;
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import javax.sip.message.Request;
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import javax.sip.message.Response;
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import org.dom4j.Document;
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import org.dom4j.DocumentException;
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import org.dom4j.Element;
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import org.dom4j.io.SAXReader;
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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 com.genersoft.iot.vmp.common.VideoManagerConstants;
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import com.genersoft.iot.vmp.gb28181.bean.Device;
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import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;
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import com.genersoft.iot.vmp.gb28181.bean.RecordInfo;
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import com.genersoft.iot.vmp.gb28181.bean.RecordItem;
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import com.genersoft.iot.vmp.gb28181.event.DeviceOffLineDetector;
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import com.genersoft.iot.vmp.gb28181.event.EventPublisher;
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import com.genersoft.iot.vmp.gb28181.transmit.callback.DeferredResultHolder;
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import com.genersoft.iot.vmp.gb28181.transmit.callback.RequestMessage;
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import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
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import com.genersoft.iot.vmp.gb28181.transmit.request.SIPRequestAbstractProcessor;
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import com.genersoft.iot.vmp.gb28181.utils.DateUtil;
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import com.genersoft.iot.vmp.gb28181.utils.XmlUtil;
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import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
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import com.genersoft.iot.vmp.utils.redis.RedisUtil;
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import org.springframework.util.StringUtils;
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/**
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* @Description:MESSAGE请求处理器
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* @author: swwheihei
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* @date: 2020年5月3日 下午5:32:41
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*/
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public class MessageRequestProcessor extends SIPRequestAbstractProcessor {
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private final static Logger logger = LoggerFactory.getLogger(MessageRequestProcessor.class);
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private SIPCommander cmder;
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private IVideoManagerStorager storager;
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private EventPublisher publisher;
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private RedisUtil redis;
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private DeferredResultHolder deferredResultHolder;
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private DeviceOffLineDetector offLineDetector;
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private final static String CACHE_RECORDINFO_KEY = "CACHE_RECORDINFO_";
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private static final String MESSAGE_KEEP_ALIVE = "Keepalive";
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private static final String MESSAGE_CONFIG_DOWNLOAD = "ConfigDownload";
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private static final String MESSAGE_CATALOG = "Catalog";
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private static final String MESSAGE_DEVICE_INFO = "DeviceInfo";
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private static final String MESSAGE_ALARM = "Alarm";
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private static final String MESSAGE_RECORD_INFO = "RecordInfo";
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// private static final String MESSAGE_BROADCAST = "Broadcast";
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// private static final String MESSAGE_DEVICE_STATUS = "DeviceStatus";
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// private static final String MESSAGE_MOBILE_POSITION = "MobilePosition";
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// private static final String MESSAGE_MOBILE_POSITION_INTERVAL = "Interval";
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/**
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* 处理MESSAGE请求
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*
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* @param evt
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*/
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@Override
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public void process(RequestEvent evt) {
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try {
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Element rootElement = getRootElement(evt);
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String cmd = XmlUtil.getText(rootElement,"CmdType");
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if (MESSAGE_KEEP_ALIVE.equals(cmd)) {
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logger.info("接收到KeepAlive消息");
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processMessageKeepAlive(evt);
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} else if (MESSAGE_CONFIG_DOWNLOAD.equals(cmd)) {
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logger.info("接收到ConfigDownload消息");
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} else if (MESSAGE_CATALOG.equals(cmd)) {
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logger.info("接收到Catalog消息");
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processMessageCatalogList(evt);
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} else if (MESSAGE_DEVICE_INFO.equals(cmd)) {
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logger.info("接收到DeviceInfo消息");
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processMessageDeviceInfo(evt);
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} else if (MESSAGE_ALARM.equals(cmd)) {
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logger.info("接收到Alarm消息");
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processMessageAlarm(evt);
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} else if (MESSAGE_RECORD_INFO.equals(cmd)) {
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logger.info("接收到RecordInfo消息");
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processMessageRecordInfo(evt);
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}
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} catch (DocumentException e) {
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e.printStackTrace();
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}
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}
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/**
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* 收到deviceInfo设备信息请求 处理
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* @param evt
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*/
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private void processMessageDeviceInfo(RequestEvent evt) {
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try {
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Element rootElement = getRootElement(evt);
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Element deviceIdElement = rootElement.element("DeviceID");
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String deviceId = deviceIdElement.getText().toString();
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Device device = storager.queryVideoDevice(deviceId);
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if (device == null) {
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return;
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}
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device.setName(XmlUtil.getText(rootElement,"DeviceName"));
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device.setManufacturer(XmlUtil.getText(rootElement,"Manufacturer"));
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device.setModel(XmlUtil.getText(rootElement,"Model"));
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device.setFirmware(XmlUtil.getText(rootElement,"Firmware"));
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if (StringUtils.isEmpty(device.getStreamMode())){
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device.setStreamMode("UDP");
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}
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storager.updateDevice(device);
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RequestMessage msg = new RequestMessage();
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msg.setDeviceId(deviceId);
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msg.setType(DeferredResultHolder.CALLBACK_CMD_DEVICEINFO);
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msg.setData(device);
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deferredResultHolder.invokeResult(msg);
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} catch (DocumentException e) {
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e.printStackTrace();
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}
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}
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/***
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* 收到catalog设备目录列表请求 处理
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* @param evt
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*/
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private void processMessageCatalogList(RequestEvent evt) {
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try {
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Element rootElement = getRootElement(evt);
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Element deviceIdElement = rootElement.element("DeviceID");
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String deviceId = deviceIdElement.getText();
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Element deviceListElement = rootElement.element("DeviceList");
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if (deviceListElement == null) {
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return;
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}
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Iterator<Element> deviceListIterator = deviceListElement.elementIterator();
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if (deviceListIterator != null) {
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Device device = storager.queryVideoDevice(deviceId);
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if (device == null) {
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return;
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}
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// 遍历DeviceList
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while (deviceListIterator.hasNext()) {
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Element itemDevice = deviceListIterator.next();
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Element channelDeviceElement = itemDevice.element("DeviceID");
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if (channelDeviceElement == null) {
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continue;
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}
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String channelDeviceId = channelDeviceElement.getText();
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Element channdelNameElement = itemDevice.element("Name");
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String channelName = channdelNameElement != null ? channdelNameElement.getTextTrim().toString() : "";
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Element statusElement = itemDevice.element("Status");
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String status = statusElement != null ? statusElement.getText().toString() : "ON";
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DeviceChannel deviceChannel = new DeviceChannel();
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deviceChannel.setName(channelName);
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deviceChannel.setChannelId(channelDeviceId);
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if(status.equals("ON") || status.equals("On")) {
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deviceChannel.setStatus(1);
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}
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if(status.equals("OFF") || status.equals("Off")) {
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deviceChannel.setStatus(0);
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}
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deviceChannel.setManufacture(XmlUtil.getText(itemDevice,"Manufacturer"));
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deviceChannel.setModel(XmlUtil.getText(itemDevice,"Model"));
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deviceChannel.setOwner(XmlUtil.getText(itemDevice,"Owner"));
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deviceChannel.setCivilCode(XmlUtil.getText(itemDevice,"CivilCode"));
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deviceChannel.setBlock(XmlUtil.getText(itemDevice,"Block"));
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deviceChannel.setAddress(XmlUtil.getText(itemDevice,"Address"));
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deviceChannel.setParental(itemDevice.element("Parental") == null? 0:Integer.parseInt(XmlUtil.getText(itemDevice,"Parental")));
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deviceChannel.setParentId(XmlUtil.getText(itemDevice,"ParentID"));
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deviceChannel.setSafetyWay(itemDevice.element("SafetyWay") == null? 0:Integer.parseInt(XmlUtil.getText(itemDevice,"SafetyWay")));
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deviceChannel.setRegisterWay(itemDevice.element("RegisterWay") == null? 1:Integer.parseInt(XmlUtil.getText(itemDevice,"RegisterWay")));
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deviceChannel.setCertNum(XmlUtil.getText(itemDevice,"CertNum"));
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deviceChannel.setCertifiable(itemDevice.element("Certifiable") == null? 0:Integer.parseInt(XmlUtil.getText(itemDevice,"Certifiable")));
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deviceChannel.setErrCode(itemDevice.element("ErrCode") == null? 0:Integer.parseInt(XmlUtil.getText(itemDevice,"ErrCode")));
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deviceChannel.setEndTime(XmlUtil.getText(itemDevice,"EndTime"));
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deviceChannel.setSecrecy(XmlUtil.getText(itemDevice,"Secrecy"));
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deviceChannel.setIpAddress(XmlUtil.getText(itemDevice,"IPAddress"));
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deviceChannel.setPort(itemDevice.element("Port") == null? 0:Integer.parseInt(XmlUtil.getText(itemDevice,"Port")));
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deviceChannel.setPassword(XmlUtil.getText(itemDevice,"Password"));
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deviceChannel.setLongitude(itemDevice.element("Longitude") == null? 0.00:Double.parseDouble(XmlUtil.getText(itemDevice,"Longitude")));
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deviceChannel.setLatitude(itemDevice.element("Latitude") == null? 0.00:Double.parseDouble(XmlUtil.getText(itemDevice,"Latitude")));
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deviceChannel.setPTZType(itemDevice.element("PTZType") == null? 0:Integer.parseInt(XmlUtil.getText(itemDevice,"PTZType")));
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deviceChannel.setHasAudio(false); // 默认含有音频为false
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storager.updateChannel(device.getDeviceId(), deviceChannel);
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}
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RequestMessage msg = new RequestMessage();
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msg.setDeviceId(deviceId);
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msg.setType(DeferredResultHolder.CALLBACK_CMD_CATALOG);
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msg.setData(device);
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deferredResultHolder.invokeResult(msg);
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// 回复200
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if (offLineDetector.isOnline(deviceId)) {
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responseAck(evt);
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publisher.onlineEventPublish(deviceId, VideoManagerConstants.EVENT_ONLINE_KEEPLIVE);
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}
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}
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} catch (DocumentException | SipException | InvalidArgumentException | ParseException e) {
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e.printStackTrace();
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}
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}
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/***
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* 收到alarm设备报警信息 处理
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* @param evt
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*/
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private void processMessageAlarm(RequestEvent evt) {
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try {
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Element rootElement = getRootElement(evt);
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Element deviceIdElement = rootElement.element("DeviceID");
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String deviceId = deviceIdElement.getText().toString();
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Device device = storager.queryVideoDevice(deviceId);
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if (device == null) {
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// TODO 也可能是通道
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// storager.queryChannel(deviceId)
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return;
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}
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device.setName(XmlUtil.getText(rootElement,"DeviceName"));
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device.setManufacturer(XmlUtil.getText(rootElement,"Manufacturer"));
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device.setModel(XmlUtil.getText(rootElement,"Model"));
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device.setFirmware(XmlUtil.getText(rootElement,"Firmware"));
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if (StringUtils.isEmpty(device.getStreamMode())){
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device.setStreamMode("UDP");
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}
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storager.updateDevice(device);
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cmder.catalogQuery(device);
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} catch (DocumentException e) {
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e.printStackTrace();
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}
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}
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/***
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* 收到keepalive请求 处理
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* @param evt
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*/
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private void processMessageKeepAlive(RequestEvent evt){
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try {
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Element rootElement = getRootElement(evt);
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String deviceId = XmlUtil.getText(rootElement,"DeviceID");
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if (offLineDetector.isOnline(deviceId)) {
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responseAck(evt);
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publisher.onlineEventPublish(deviceId, VideoManagerConstants.EVENT_ONLINE_KEEPLIVE);
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} else {
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}
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} catch (ParseException | SipException | InvalidArgumentException | DocumentException e) {
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e.printStackTrace();
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}
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}
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/***
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* 收到catalog设备目录列表请求 处理
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* TODO 过期时间暂时写死180秒，后续与DeferredResult超时时间保持一致
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* @param evt
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*/
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private void processMessageRecordInfo(RequestEvent evt) {
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try {
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RecordInfo recordInfo = new RecordInfo();
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Element rootElement = getRootElement(evt);
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Element deviceIdElement = rootElement.element("DeviceID");
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String deviceId = deviceIdElement.getText().toString();
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recordInfo.setDeviceId(deviceId);
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recordInfo.setName(XmlUtil.getText(rootElement,"Name"));
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recordInfo.setSumNum(Integer.parseInt(XmlUtil.getText(rootElement,"SumNum")));
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String sn = XmlUtil.getText(rootElement,"SN");
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Element recordListElement = rootElement.element("RecordList");
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if (recordListElement == null) {
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return;
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}
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Iterator<Element> recordListIterator = recordListElement.elementIterator();
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List<RecordItem> recordList = new ArrayList<RecordItem>();
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if (recordListIterator != null) {
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RecordItem record = new RecordItem();
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// 遍历DeviceList
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while (recordListIterator.hasNext()) {
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Element itemRecord = recordListIterator.next();
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Element recordElement = itemRecord.element("DeviceID");
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if (recordElement == null) {
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continue;
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}
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record = new RecordItem();
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record.setDeviceId(XmlUtil.getText(itemRecord,"DeviceID"));
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record.setName(XmlUtil.getText(itemRecord,"Name"));
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record.setFilePath(XmlUtil.getText(itemRecord,"FilePath"));
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record.setAddress(XmlUtil.getText(itemRecord,"Address"));
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record.setStartTime(DateUtil.ISO8601Toyyyy_MM_dd_HH_mm_ss(XmlUtil.getText(itemRecord,"StartTime")));
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record.setEndTime(DateUtil.ISO8601Toyyyy_MM_dd_HH_mm_ss(XmlUtil.getText(itemRecord,"EndTime")));
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record.setSecrecy(itemRecord.element("Secrecy") == null? 0:Integer.parseInt(XmlUtil.getText(itemRecord,"Secrecy")));
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record.setType(XmlUtil.getText(itemRecord,"Type"));
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record.setRecorderId(XmlUtil.getText(itemRecord,"RecorderID"));
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recordList.add(record);
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}
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recordInfo.setRecordList(recordList);
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}
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// 存在录像且如果当前录像明细个数小于总条数，说明拆包返回，需要组装，暂不返回
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if (recordInfo.getSumNum() > 0 && recordList.size() > 0 && recordList.size() < recordInfo.getSumNum()) {
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// 为防止连续请求该设备的录像数据，返回数据错乱，特增加sn进行区分
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String cacheKey = CACHE_RECORDINFO_KEY+deviceId+sn;
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// TODO 暂时直接操作redis存储，后续封装专用缓存接口，改为本地内存缓存
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if (redis.hasKey(cacheKey)) {
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List<RecordItem> previousList = (List<RecordItem>) redis.get(cacheKey);
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if (previousList != null && previousList.size() > 0) {
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recordList.addAll(previousList);
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}
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// 本分支表示录像列表被拆包，且加上之前的数据还是不够,保存缓存返回，等待下个包再处理
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if (recordList.size() < recordInfo.getSumNum()) {
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redis.set(cacheKey, recordList, 180);
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return;
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} else {
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// 本分支表示录像被拆包，但加上之前的数据够足够，返回响应
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// 因设备心跳有监听redis过期机制，为提高性能，此处手动删除
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redis.del(cacheKey);
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}
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} else {
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// 本分支有两种可能：1、录像列表被拆包，且是第一个包,直接保存缓存返回，等待下个包再处理
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// 2、之前有包，但超时清空了，那么这次sn批次的响应数据已经不完整，等待过期时间后redis自动清空数据
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redis.set(cacheKey, recordList, 180);
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return;
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}
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}
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// 走到这里，有以下可能：1、没有录像信息,第一次收到recordinfo的消息即返回响应数据，无redis操作
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// 2、有录像数据，且第一次即收到完整数据，返回响应数据，无redis操作
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// 3、有录像数据，在超时时间内收到多次包组装后数量足够，返回数据
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RequestMessage msg = new RequestMessage();
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msg.setDeviceId(deviceId);
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msg.setType(DeferredResultHolder.CALLBACK_CMD_RECORDINFO);
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msg.setData(recordInfo);
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deferredResultHolder.invokeResult(msg);
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} catch (DocumentException e) {
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e.printStackTrace();
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}
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}
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private void responseAck(RequestEvent evt) throws SipException, InvalidArgumentException, ParseException {
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Response response = getMessageFactory().createResponse(Response.OK,evt.getRequest());
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getServerTransaction(evt).sendResponse(response);
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}
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private Element getRootElement(RequestEvent evt) throws DocumentException {
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Request request = evt.getRequest();
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SAXReader reader = new SAXReader();
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reader.setEncoding("gbk");
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Document xml = reader.read(new ByteArrayInputStream(request.getRawContent()));
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return xml.getRootElement();
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}
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public void setCmder(SIPCommander cmder) {
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this.cmder = cmder;
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}
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public void setStorager(IVideoManagerStorager storager) {
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this.storager = storager;
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}
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public void setPublisher(EventPublisher publisher) {
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this.publisher = publisher;
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}
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public void setRedis(RedisUtil redis) {
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this.redis = redis;
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}
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public void setDeferredResultHolder(DeferredResultHolder deferredResultHolder) {
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this.deferredResultHolder = deferredResultHolder;
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}
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public void setOffLineDetector(DeviceOffLineDetector offLineDetector) {
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this.offLineDetector = offLineDetector;
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}
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}
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