@Override
  protected void doDispatch(RenderRequest renderRequest, RenderResponse renderResponse)
      throws IOException, PortletException {

    try {
      getGroup(renderRequest);
    } catch (Exception e) {
      if (e instanceof NoSuchGroupException || e instanceof PrincipalException) {

        SessionErrors.add(renderRequest, e.getClass());
      } else {
        throw new PortletException(e);
      }
    }

    if (SessionErrors.contains(renderRequest, NoSuchGroupException.class.getName())
        || SessionErrors.contains(renderRequest, PrincipalException.getNestedClasses())) {

      include("/error.jsp", renderRequest, renderResponse);
    } else {
      try {
        ServiceContext serviceContext = ServiceContextFactory.getInstance(renderRequest);

        ServiceContextThreadLocal.pushServiceContext(serviceContext);
      } catch (Exception e) {
        if (_log.isWarnEnabled()) {
          _log.warn(e, e);
        }
      }

      renderRequest.setAttribute(ApplicationListWebKeys.GROUP_PROVIDER, groupProvider);

      super.doDispatch(renderRequest, renderResponse);
    }
  }
  @Override
  protected void initExport() throws Exception {
    super.initExport();

    ServiceContext serviceContext = ServiceContextTestUtil.getServiceContext();

    serviceContext.setAttribute("exportLAR", Boolean.TRUE);

    ServiceContextThreadLocal.pushServiceContext(serviceContext);
  }
    @Override
    public Void call() throws PortalException {
      StagedModelRepository<T> stagedModelRepository = getStagedModelRepository();

      if (stagedModelRepository == null) {
        return null;
      }

      T stagedModel = stagedModelRepository.fetchStagedModelByUuidAndGroupId(_uuid, _groupId);

      if (stagedModel == null) {
        return null;
      }

      Date endDate = null;

      if (_dateRange != null) {
        endDate = _dateRange.getEndDate();
      }

      ExportImportDateUtil.updateLastPublishDate(
          (StagedGroupedModel) stagedModel, _dateRange, endDate);

      ServiceContext serviceContext = new ServiceContext();

      serviceContext.setModifiedDate(stagedModel.getModifiedDate());

      ServiceContextThreadLocal.pushServiceContext(serviceContext);

      try {
        stagedModelRepository.saveStagedModel(stagedModel);
      } finally {
        ServiceContextThreadLocal.popServiceContext();
      }

      return null;
    }
  protected File doExport(PortletDataContext portletDataContext, long[] layoutIds)
      throws Exception {

    Map<String, String[]> parameterMap = portletDataContext.getParameterMap();

    boolean ignoreLastPublishDate =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.IGNORE_LAST_PUBLISH_DATE);
    boolean layoutSetPrototypeSettings =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.LAYOUT_SET_PROTOTYPE_SETTINGS);
    boolean layoutSetSettings =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.LAYOUT_SET_SETTINGS);
    boolean logo = MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.LOGO);
    boolean permissions = MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.PERMISSIONS);

    if (_log.isDebugEnabled()) {
      _log.debug("Export permissions " + permissions);
    }

    LayoutSet layoutSet =
        _layoutSetLocalService.getLayoutSet(
            portletDataContext.getGroupId(), portletDataContext.isPrivateLayout());

    long companyId = layoutSet.getCompanyId();
    long defaultUserId = _userLocalService.getDefaultUserId(companyId);

    ServiceContext serviceContext = ServiceContextThreadLocal.popServiceContext();

    if (serviceContext == null) {
      serviceContext = new ServiceContext();
    }

    serviceContext.setCompanyId(companyId);
    serviceContext.setSignedIn(false);
    serviceContext.setUserId(defaultUserId);

    serviceContext.setAttribute("exporting", Boolean.TRUE);

    long layoutSetBranchId = MapUtil.getLong(parameterMap, "layoutSetBranchId");

    serviceContext.setAttribute("layoutSetBranchId", layoutSetBranchId);

    ServiceContextThreadLocal.pushServiceContext(serviceContext);

    if (ignoreLastPublishDate) {
      portletDataContext.setEndDate(null);
      portletDataContext.setStartDate(null);
    }

    StopWatch stopWatch = new StopWatch();

    stopWatch.start();

    Document document = SAXReaderUtil.createDocument();

    Element rootElement = document.addElement("root");

    portletDataContext.setExportDataRootElement(rootElement);

    Element headerElement = rootElement.addElement("header");

    headerElement.addAttribute(
        "available-locales",
        StringUtil.merge(LanguageUtil.getAvailableLocales(portletDataContext.getScopeGroupId())));
    headerElement.addAttribute("build-number", String.valueOf(ReleaseInfo.getBuildNumber()));
    headerElement.addAttribute("export-date", Time.getRFC822());

    if (portletDataContext.hasDateRange()) {
      headerElement.addAttribute("start-date", String.valueOf(portletDataContext.getStartDate()));
      headerElement.addAttribute("end-date", String.valueOf(portletDataContext.getEndDate()));
    }

    headerElement.addAttribute("company-id", String.valueOf(portletDataContext.getCompanyId()));
    headerElement.addAttribute(
        "company-group-id", String.valueOf(portletDataContext.getCompanyGroupId()));
    headerElement.addAttribute("group-id", String.valueOf(portletDataContext.getGroupId()));
    headerElement.addAttribute(
        "user-personal-site-group-id",
        String.valueOf(portletDataContext.getUserPersonalSiteGroupId()));
    headerElement.addAttribute(
        "private-layout", String.valueOf(portletDataContext.isPrivateLayout()));

    Group group = layoutSet.getGroup();

    String type = "layout-set";

    if (group.isLayoutPrototype()) {
      type = "layout-prototype";

      LayoutPrototype layoutPrototype =
          _layoutPrototypeLocalService.getLayoutPrototype(group.getClassPK());

      headerElement.addAttribute("type-uuid", layoutPrototype.getUuid());

      layoutIds =
          ExportImportHelperUtil.getAllLayoutIds(
              portletDataContext.getGroupId(), portletDataContext.isPrivateLayout());
    } else if (group.isLayoutSetPrototype()) {
      type = "layout-set-prototype";

      LayoutSetPrototype layoutSetPrototype =
          _layoutSetPrototypeLocalService.getLayoutSetPrototype(group.getClassPK());

      headerElement.addAttribute("type-uuid", layoutSetPrototype.getUuid());
    }

    headerElement.addAttribute("type", type);

    LayoutSetBranch layoutSetBranch =
        _layoutSetBranchLocalService.fetchLayoutSetBranch(layoutSetBranchId);

    if (logo) {
      Image image = null;

      if (layoutSetBranch != null) {
        image = _imageLocalService.getImage(layoutSetBranch.getLogoId());
      } else {
        image = _imageLocalService.getImage(layoutSet.getLogoId());
      }

      if ((image != null) && (image.getTextObj() != null)) {
        String logoPath = ExportImportPathUtil.getRootPath(portletDataContext);

        logoPath += "/logo";

        headerElement.addAttribute("logo-path", logoPath);

        portletDataContext.addZipEntry(logoPath, image.getTextObj());
      }
    }

    String layoutSetPrototypeUuid = layoutSet.getLayoutSetPrototypeUuid();

    if (layoutSetPrototypeSettings && Validator.isNotNull(layoutSetPrototypeUuid)) {

      LayoutSetPrototype layoutSetPrototype =
          _layoutSetPrototypeLocalService.getLayoutSetPrototypeByUuidAndCompanyId(
              layoutSetPrototypeUuid, companyId);

      headerElement.addAttribute("layout-set-prototype-uuid", layoutSetPrototypeUuid);
      headerElement.addAttribute(
          "layout-set-prototype-name", layoutSetPrototype.getName(LocaleUtil.getDefault()));
    }

    Element missingReferencesElement = rootElement.addElement("missing-references");

    portletDataContext.setMissingReferencesElement(missingReferencesElement);

    if (layoutSetBranch != null) {
      _themeExporter.exportTheme(portletDataContext, layoutSetBranch);
    } else {
      _themeExporter.exportTheme(portletDataContext, layoutSet);
    }

    if (layoutSetSettings) {
      Element settingsElement = headerElement.addElement("settings");

      if (layoutSetBranch != null) {
        settingsElement.addCDATA(layoutSetBranch.getSettings());
      } else {
        settingsElement.addCDATA(layoutSet.getSettings());
      }
    }

    Map<String, Object[]> portletIds = new LinkedHashMap<>();

    List<Layout> layouts =
        _layoutLocalService.getLayouts(
            portletDataContext.getGroupId(), portletDataContext.isPrivateLayout());

    if (group.isStagingGroup()) {
      group = group.getLiveGroup();
    }

    // Collect data portlets

    for (Portlet portlet : ExportImportHelperUtil.getDataSiteLevelPortlets(companyId)) {

      String portletId = portlet.getRootPortletId();

      if (ExportImportThreadLocal.isStagingInProcess() && !group.isStagedPortlet(portletId)) {

        continue;
      }

      // Calculate the amount of exported data

      if (BackgroundTaskThreadLocal.hasBackgroundTask()) {
        PortletDataHandler portletDataHandler = portlet.getPortletDataHandlerInstance();

        portletDataHandler.prepareManifestSummary(portletDataContext);
      }

      // Add portlet ID to exportable portlets list

      portletIds.put(
          PortletPermissionUtil.getPrimaryKey(0, portletId),
          new Object[] {
            portletId,
            LayoutConstants.DEFAULT_PLID,
            portletDataContext.getGroupId(),
            StringPool.BLANK,
            StringPool.BLANK
          });

      if (!portlet.isScopeable()) {
        continue;
      }

      // Scoped data

      for (Layout layout : layouts) {
        if (!ArrayUtil.contains(layoutIds, layout.getLayoutId())
            || !layout.isTypePortlet()
            || !layout.hasScopeGroup()) {

          continue;
        }

        Group scopeGroup = layout.getScopeGroup();

        portletIds.put(
            PortletPermissionUtil.getPrimaryKey(layout.getPlid(), portlet.getPortletId()),
            new Object[] {
              portlet.getPortletId(),
              layout.getPlid(),
              scopeGroup.getGroupId(),
              StringPool.BLANK,
              layout.getUuid()
            });
      }
    }

    // Collect layout portlets

    for (Layout layout : layouts) {
      getLayoutPortlets(portletDataContext, layoutIds, portletIds, layout);
    }

    if (BackgroundTaskThreadLocal.hasBackgroundTask()) {
      ManifestSummary manifestSummary = portletDataContext.getManifestSummary();

      PortletDataHandlerStatusMessageSenderUtil.sendStatusMessage(
          "layout", ArrayUtil.toStringArray(portletIds.keySet()), manifestSummary);

      manifestSummary.resetCounters();
    }

    // Export actual data

    portletDataContext.addDeletionSystemEventStagedModelTypes(new StagedModelType(Layout.class));

    // Force to always have a layout group element

    portletDataContext.getExportDataGroupElement(Layout.class);

    for (Layout layout : layouts) {
      exportLayout(portletDataContext, layoutIds, layout);
    }

    Element portletsElement = rootElement.addElement("portlets");

    Element servicesElement = rootElement.addElement("services");

    long previousScopeGroupId = portletDataContext.getScopeGroupId();

    for (Map.Entry<String, Object[]> portletIdsEntry : portletIds.entrySet()) {

      Object[] portletObjects = portletIdsEntry.getValue();

      String portletId = null;
      long plid = LayoutConstants.DEFAULT_PLID;
      long scopeGroupId = 0;
      String scopeType = StringPool.BLANK;
      String scopeLayoutUuid = null;

      if (portletObjects.length == 4) {
        portletId = (String) portletIdsEntry.getValue()[0];
        plid = (Long) portletIdsEntry.getValue()[1];
        scopeGroupId = (Long) portletIdsEntry.getValue()[2];
        scopeLayoutUuid = (String) portletIdsEntry.getValue()[3];
      } else {
        portletId = (String) portletIdsEntry.getValue()[0];
        plid = (Long) portletIdsEntry.getValue()[1];
        scopeGroupId = (Long) portletIdsEntry.getValue()[2];
        scopeType = (String) portletIdsEntry.getValue()[3];
        scopeLayoutUuid = (String) portletIdsEntry.getValue()[4];
      }

      Layout layout = _layoutLocalService.fetchLayout(plid);

      if (layout == null) {
        layout = new LayoutImpl();

        layout.setCompanyId(companyId);
        layout.setGroupId(portletDataContext.getGroupId());
      }

      portletDataContext.setPlid(plid);
      portletDataContext.setOldPlid(plid);
      portletDataContext.setPortletId(portletId);
      portletDataContext.setScopeGroupId(scopeGroupId);
      portletDataContext.setScopeType(scopeType);
      portletDataContext.setScopeLayoutUuid(scopeLayoutUuid);

      Map<String, Boolean> exportPortletControlsMap =
          ExportImportHelperUtil.getExportPortletControlsMap(
              companyId, portletId, parameterMap, type);

      try {
        _exportImportLifecycleManager.fireExportImportLifecycleEvent(
            EVENT_PORTLET_EXPORT_STARTED,
            getProcessFlag(),
            PortletDataContextFactoryUtil.clonePortletDataContext(portletDataContext));

        _portletExportController.exportPortlet(
            portletDataContext,
            layout,
            portletsElement,
            permissions,
            exportPortletControlsMap.get(PortletDataHandlerKeys.PORTLET_ARCHIVED_SETUPS),
            exportPortletControlsMap.get(PortletDataHandlerKeys.PORTLET_DATA),
            exportPortletControlsMap.get(PortletDataHandlerKeys.PORTLET_SETUP),
            exportPortletControlsMap.get(PortletDataHandlerKeys.PORTLET_USER_PREFERENCES));
        _portletExportController.exportService(
            portletDataContext,
            servicesElement,
            exportPortletControlsMap.get(PortletDataHandlerKeys.PORTLET_SETUP));

        _exportImportLifecycleManager.fireExportImportLifecycleEvent(
            EVENT_PORTLET_EXPORT_SUCCEEDED,
            getProcessFlag(),
            PortletDataContextFactoryUtil.clonePortletDataContext(portletDataContext));
      } catch (Throwable t) {
        _exportImportLifecycleManager.fireExportImportLifecycleEvent(
            EVENT_PORTLET_EXPORT_FAILED,
            getProcessFlag(),
            PortletDataContextFactoryUtil.clonePortletDataContext(portletDataContext),
            t);

        throw t;
      }
    }

    portletDataContext.setScopeGroupId(previousScopeGroupId);

    _portletExportController.exportAssetLinks(portletDataContext);
    _portletExportController.exportExpandoTables(portletDataContext);
    _portletExportController.exportLocks(portletDataContext);

    _deletionSystemEventExporter.exportDeletionSystemEvents(portletDataContext);

    if (permissions) {
      _permissionExporter.exportPortletDataPermissions(portletDataContext);
    }

    ExportImportHelperUtil.writeManifestSummary(document, portletDataContext.getManifestSummary());

    if (_log.isInfoEnabled()) {
      _log.info("Exporting layouts takes " + stopWatch.getTime() + " ms");
    }

    boolean updateLastPublishDate =
        MapUtil.getBoolean(
            portletDataContext.getParameterMap(), PortletDataHandlerKeys.UPDATE_LAST_PUBLISH_DATE);

    if (ExportImportThreadLocal.isStagingInProcess() && updateLastPublishDate) {

      ExportImportProcessCallbackRegistryUtil.registerCallback(
          new UpdateLayoutSetLastPublishDateCallable(
              portletDataContext.getDateRange(),
              portletDataContext.getGroupId(),
              portletDataContext.isPrivateLayout()));
    }

    portletDataContext.addZipEntry("/manifest.xml", document.formattedString());

    ZipWriter zipWriter = portletDataContext.getZipWriter();

    return zipWriter.getFile();
  }
  protected void doImportPortletInfo(PortletDataContext portletDataContext, long userId)
      throws Exception {

    Map<String, String[]> parameterMap = portletDataContext.getParameterMap();

    boolean importPermissions =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.PERMISSIONS);

    StopWatch stopWatch = new StopWatch();

    stopWatch.start();

    ServiceContext serviceContext = ServiceContextThreadLocal.getServiceContext();

    if (serviceContext == null) {
      serviceContext = new ServiceContext();

      serviceContext.setCompanyId(portletDataContext.getCompanyId());
      serviceContext.setSignedIn(false);
      serviceContext.setUserId(userId);

      ServiceContextThreadLocal.pushServiceContext(serviceContext);
    }

    // LAR validation

    validateFile(
        portletDataContext.getCompanyId(),
        portletDataContext.getGroupId(),
        portletDataContext.getPortletId(),
        portletDataContext.getZipReader());

    // Source and target group id

    Map<Long, Long> groupIds =
        (Map<Long, Long>) portletDataContext.getNewPrimaryKeysMap(Group.class);

    groupIds.put(portletDataContext.getSourceGroupId(), portletDataContext.getGroupId());

    // Manifest

    ManifestSummary manifestSummary = ExportImportHelperUtil.getManifestSummary(portletDataContext);

    if (BackgroundTaskThreadLocal.hasBackgroundTask()) {
      PortletDataHandlerStatusMessageSenderUtil.sendStatusMessage(
          "portlet", portletDataContext.getPortletId(), manifestSummary);
    }

    portletDataContext.setManifestSummary(manifestSummary);

    // Read expando tables, locks and permissions to make them
    // available to the data handlers through the portlet data context

    Element rootElement = portletDataContext.getImportDataRootElement();

    Element portletElement = null;

    try {
      portletElement = rootElement.element("portlet");

      Document portletDocument =
          SAXReaderUtil.read(
              portletDataContext.getZipEntryAsString(portletElement.attributeValue("path")));

      portletElement = portletDocument.getRootElement();
    } catch (DocumentException de) {
      throw new SystemException(de);
    }

    LayoutCache layoutCache = new LayoutCache();

    if (importPermissions) {
      _permissionImporter.checkRoles(
          layoutCache,
          portletDataContext.getCompanyId(),
          portletDataContext.getGroupId(),
          userId,
          portletElement);

      _permissionImporter.readPortletDataPermissions(portletDataContext);
    }

    String layoutsImportMode =
        MapUtil.getString(parameterMap, PortletDataHandlerKeys.LAYOUTS_IMPORT_MODE);

    if (!layoutsImportMode.equals(
        PortletDataHandlerKeys.LAYOUTS_IMPORT_MODE_CREATED_FROM_PROTOTYPE)) {

      readExpandoTables(portletDataContext);
    }

    readLocks(portletDataContext);

    Element portletDataElement = portletElement.element("portlet-data");

    Map<String, Boolean> importPortletControlsMap =
        ExportImportHelperUtil.getImportPortletControlsMap(
            portletDataContext.getCompanyId(),
            portletDataContext.getPortletId(),
            parameterMap,
            portletDataElement,
            manifestSummary);

    Layout layout = _layoutLocalService.getLayout(portletDataContext.getPlid());

    try {

      // Portlet preferences

      importPortletPreferences(
          portletDataContext,
          layout.getCompanyId(),
          portletDataContext.getGroupId(),
          layout,
          portletElement,
          true,
          importPortletControlsMap.get(PortletDataHandlerKeys.PORTLET_ARCHIVED_SETUPS),
          importPortletControlsMap.get(PortletDataHandlerKeys.PORTLET_DATA),
          importPortletControlsMap.get(PortletDataHandlerKeys.PORTLET_SETUP),
          importPortletControlsMap.get(PortletDataHandlerKeys.PORTLET_USER_PREFERENCES));

      // Portlet data

      if (importPortletControlsMap.get(PortletDataHandlerKeys.PORTLET_DATA)) {

        if (_log.isDebugEnabled()) {
          _log.debug("Importing portlet data");
        }

        importPortletData(portletDataContext, portletDataElement);
      }
    } finally {
      resetPortletScope(portletDataContext, portletDataContext.getGroupId());
    }

    // Portlet permissions

    if (importPermissions) {
      if (_log.isDebugEnabled()) {
        _log.debug("Importing portlet permissions");
      }

      _permissionImporter.importPortletPermissions(
          layoutCache,
          portletDataContext.getCompanyId(),
          portletDataContext.getGroupId(),
          userId,
          layout,
          portletElement,
          portletDataContext.getPortletId());

      if (userId > 0) {
        Indexer<User> indexer = IndexerRegistryUtil.nullSafeGetIndexer(User.class);

        User user = _userLocalService.fetchUser(userId);

        indexer.reindex(user);
      }
    }

    // Asset links

    if (_log.isDebugEnabled()) {
      _log.debug("Importing asset links");
    }

    importAssetLinks(portletDataContext);

    // Deletion system events

    _deletionSystemEventImporter.importDeletionSystemEvents(portletDataContext);

    if (_log.isInfoEnabled()) {
      _log.info("Importing portlet takes " + stopWatch.getTime() + " ms");
    }

    // Service portlet preferences

    boolean importPortletSetup = importPortletControlsMap.get(PortletDataHandlerKeys.PORTLET_SETUP);

    if (importPortletSetup) {
      try {
        List<Element> serviceElements = rootElement.elements("service");

        for (Element serviceElement : serviceElements) {
          Document serviceDocument =
              SAXReaderUtil.read(
                  portletDataContext.getZipEntryAsString(serviceElement.attributeValue("path")));

          importServicePortletPreferences(portletDataContext, serviceDocument.getRootElement());
        }
      } catch (DocumentException de) {
        throw new SystemException(de);
      }
    }

    ZipReader zipReader = portletDataContext.getZipReader();

    zipReader.close();
  }