public static Layout getSourcePrototypeLayout(Layout layout) {
    if (Validator.isNull(layout.getUuid())) {
      return null;
    }

    try {
      Group group = null;

      if (Validator.isNotNull(layout.getLayoutPrototypeUuid())) {
        LayoutPrototype layoutPrototype =
            LayoutPrototypeLocalServiceUtil.getLayoutPrototypeByUuid(
                layout.getLayoutPrototypeUuid());

        group = layoutPrototype.getGroup();
      } else {
        LayoutSet layoutSet = layout.getLayoutSet();

        if (Validator.isNull(layoutSet.getLayoutSetPrototypeUuid())) {
          return null;
        }

        LayoutSetPrototype layoutSetPrototype =
            LayoutSetPrototypeLocalServiceUtil.getLayoutSetPrototypeByUuid(
                layoutSet.getLayoutSetPrototypeUuid());

        group = layoutSetPrototype.getGroup();
      }

      return LayoutLocalServiceUtil.fetchLayoutByUuidAndGroupId(
          layout.getSourcePrototypeLayoutUuid(), group.getGroupId());
    } catch (Exception e) {
      _log.error(e, e);
    }

    return null;
  }
  protected File doExportLayoutsAsFile(
      long groupId,
      boolean privateLayout,
      long[] layoutIds,
      Map<String, String[]> parameterMap,
      Date startDate,
      Date endDate)
      throws Exception {

    boolean exportCategories = MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.CATEGORIES);
    boolean exportIgnoreLastPublishDate =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.IGNORE_LAST_PUBLISH_DATE);
    boolean exportPermissions =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.PERMISSIONS);
    boolean exportPortletDataAll =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.PORTLET_DATA_ALL);
    boolean exportTheme = MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.THEME);
    boolean exportThemeSettings =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.THEME_REFERENCE);
    boolean exportLogo = MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.LOGO);
    boolean exportLayoutSetSettings =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.LAYOUT_SET_SETTINGS);
    boolean updateLastPublishDate =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.UPDATE_LAST_PUBLISH_DATE);

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

    LayoutSet layoutSet = LayoutSetLocalServiceUtil.getLayoutSet(groupId, privateLayout);

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

    ServiceContext serviceContext = ServiceContextThreadLocal.getServiceContext();

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

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

      ServiceContextThreadLocal.pushServiceContext(serviceContext);
    }

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

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

    serviceContext.setAttribute("layoutSetBranchId", layoutSetBranchId);

    long lastPublishDate = System.currentTimeMillis();

    if (endDate != null) {
      lastPublishDate = endDate.getTime();
    }

    if (exportIgnoreLastPublishDate) {
      endDate = null;
      startDate = null;
    }

    StopWatch stopWatch = null;

    if (_log.isInfoEnabled()) {
      stopWatch = new StopWatch();

      stopWatch.start();
    }

    LayoutCache layoutCache = new LayoutCache();

    ZipWriter zipWriter = ZipWriterFactoryUtil.getZipWriter();

    PortletDataContext portletDataContext =
        PortletDataContextFactoryUtil.createExportPortletDataContext(
            companyId, groupId, parameterMap, startDate, endDate, zipWriter);

    portletDataContext.setPortetDataContextListener(
        new PortletDataContextListenerImpl(portletDataContext));

    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(groupId));
    headerElement.addAttribute(
        "user-personal-site-group-id",
        String.valueOf(portletDataContext.getUserPersonalSiteGroupId()));
    headerElement.addAttribute("private-layout", String.valueOf(privateLayout));

    Group group = layoutSet.getGroup();

    String type = "layout-set";

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

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

      headerElement.addAttribute("type-uuid", layoutPrototype.getUuid());
    } else if (group.isLayoutSetPrototype()) {
      type = "layout-set-prototype";

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

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

    headerElement.addAttribute("type", type);

    if (exportTheme || exportThemeSettings) {
      headerElement.addAttribute("theme-id", layoutSet.getThemeId());
      headerElement.addAttribute("color-scheme-id", layoutSet.getColorSchemeId());
    }

    if (exportLogo) {
      Image image = ImageLocalServiceUtil.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());
      }
    }

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

      settingsElement.addCDATA(layoutSet.getSettings());
    }

    Element cssElement = headerElement.addElement("css");

    cssElement.addCDATA(layoutSet.getCss());

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

    List<Layout> layouts = LayoutLocalServiceUtil.getLayouts(groupId, privateLayout);

    List<Portlet> portlets = getDataSiteLevelPortlets(companyId);

    long plid = LayoutConstants.DEFAULT_PLID;

    if (!layouts.isEmpty()) {
      Layout firstLayout = layouts.get(0);

      plid = firstLayout.getPlid();
    }

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

    for (Portlet portlet : portlets) {
      String portletId = portlet.getRootPortletId();

      if (!group.isStagedPortlet(portletId)) {
        continue;
      }

      String key = PortletPermissionUtil.getPrimaryKey(0, portletId);

      if (portletIds.get(key) == null) {
        portletIds.put(
            key, new Object[] {portletId, plid, groupId, StringPool.BLANK, StringPool.BLANK});
      }
    }

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

    portletDataContext.setMissingReferencesElement(missingReferencesElement);

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

    Element layoutsElement = portletDataContext.getExportDataGroupElement(Layout.class);

    String layoutSetPrototypeUuid = layoutSet.getLayoutSetPrototypeUuid();

    if (Validator.isNotNull(layoutSetPrototypeUuid)) {
      LayoutSetPrototype layoutSetPrototype =
          LayoutSetPrototypeLocalServiceUtil.getLayoutSetPrototypeByUuidAndCompanyId(
              layoutSetPrototypeUuid, companyId);

      layoutsElement.addAttribute("layout-set-prototype-uuid", layoutSetPrototypeUuid);

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

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

    long previousScopeGroupId = portletDataContext.getScopeGroupId();

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

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

      Object[] portletObjects = portletIdsEntry.getValue();

      String portletId = null;
      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 = LayoutLocalServiceUtil.fetchLayout(plid);

      if (layout == null) {
        if (!group.isCompany() && (plid <= LayoutConstants.DEFAULT_PLID)) {

          continue;
        }

        if (_log.isWarnEnabled()) {
          _log.warn("Assuming global scope because no layout was found");
        }

        layout = new LayoutImpl();

        layout.setGroupId(groupId);
        layout.setCompanyId(companyId);
      }

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

      boolean[] exportPortletControls =
          getExportPortletControls(companyId, portletId, parameterMap, type);

      _portletExporter.exportPortlet(
          portletDataContext,
          layoutCache,
          portletId,
          layout,
          portletsElement,
          defaultUserId,
          exportPermissions,
          exportPortletControls[0],
          exportPortletControls[1],
          exportPortletControls[2],
          exportPortletControls[3]);
    }

    portletDataContext.setScopeGroupId(previousScopeGroupId);

    exportAssetCategories(
        portletDataContext, exportPortletDataAll, exportCategories, group.isCompany());

    _portletExporter.exportAssetLinks(portletDataContext);
    _portletExporter.exportAssetTags(portletDataContext);
    _portletExporter.exportComments(portletDataContext);
    _portletExporter.exportExpandoTables(portletDataContext);
    _portletExporter.exportLocks(portletDataContext);

    _deletionSystemEventExporter.exportDeletionSystemEvents(portletDataContext);

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

    _portletExporter.exportRatingsEntries(portletDataContext, rootElement);

    if (exportTheme && !portletDataContext.isPerformDirectBinaryImport()) {
      exportTheme(layoutSet, zipWriter);
    }

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

    if (_log.isInfoEnabled()) {
      if (stopWatch != null) {
        _log.info("Exporting layouts takes " + stopWatch.getTime() + " ms");
      } else {
        _log.info("Exporting layouts is finished");
      }
    }

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

    try {
      return zipWriter.getFile();
    } finally {
      if (updateLastPublishDate) {
        updateLastPublishDate(layoutSet, lastPublishDate);
      }
    }
  }
  protected File doExportLayoutsAsFile(
      long groupId,
      boolean privateLayout,
      long[] layoutIds,
      Map<String, String[]> parameterMap,
      Date startDate,
      Date endDate)
      throws Exception {

    boolean exportCategories = MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.CATEGORIES);
    boolean exportIgnoreLastPublishDate =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.IGNORE_LAST_PUBLISH_DATE);
    boolean exportPermissions =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.PERMISSIONS);
    boolean exportUserPermissions =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.USER_PERMISSIONS);
    boolean exportPortletArchivedSetups =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.PORTLET_ARCHIVED_SETUPS);
    boolean exportPortletUserPreferences =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.PORTLET_USER_PREFERENCES);
    boolean exportTheme = MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.THEME);
    boolean exportThemeSettings =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.THEME_REFERENCE);
    boolean exportLogo = MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.LOGO);
    boolean exportLayoutSetSettings =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.LAYOUT_SET_SETTINGS);
    boolean publishToRemote =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.PUBLISH_TO_REMOTE);
    boolean updateLastPublishDate =
        MapUtil.getBoolean(parameterMap, PortletDataHandlerKeys.UPDATE_LAST_PUBLISH_DATE);

    if (_log.isDebugEnabled()) {
      _log.debug("Export categories " + exportCategories);
      _log.debug("Export permissions " + exportPermissions);
      _log.debug("Export user permissions " + exportUserPermissions);
      _log.debug("Export portlet archived setups " + exportPortletArchivedSetups);
      _log.debug("Export portlet user preferences " + exportPortletUserPreferences);
      _log.debug("Export theme " + exportTheme);
    }

    LayoutSet layoutSet = LayoutSetLocalServiceUtil.getLayoutSet(groupId, privateLayout);

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

    ServiceContext serviceContext = ServiceContextThreadLocal.getServiceContext();

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

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

      ServiceContextThreadLocal.pushServiceContext(serviceContext);
    }

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

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

    serviceContext.setAttribute("layoutSetBranchId", layoutSetBranchId);

    long lastPublishDate = System.currentTimeMillis();

    if (endDate != null) {
      lastPublishDate = endDate.getTime();
    }

    if (exportIgnoreLastPublishDate) {
      endDate = null;
      startDate = null;
    }

    StopWatch stopWatch = null;

    if (_log.isInfoEnabled()) {
      stopWatch = new StopWatch();

      stopWatch.start();
    }

    LayoutCache layoutCache = new LayoutCache();

    ZipWriter zipWriter = ZipWriterFactoryUtil.getZipWriter();

    PortletDataContext portletDataContext =
        new PortletDataContextImpl(
            companyId, groupId, parameterMap, new HashSet<String>(), startDate, endDate, zipWriter);

    portletDataContext.setPortetDataContextListener(
        new PortletDataContextListenerImpl(portletDataContext));

    Document document = SAXReaderUtil.createDocument();

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

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

    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("group-id", String.valueOf(groupId));
    headerElement.addAttribute("private-layout", String.valueOf(privateLayout));

    Group group = layoutSet.getGroup();

    String type = "layout-set";

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

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

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

    headerElement.addAttribute("type", type);

    if (exportTheme || exportThemeSettings) {
      headerElement.addAttribute("theme-id", layoutSet.getThemeId());
      headerElement.addAttribute("color-scheme-id", layoutSet.getColorSchemeId());
    }

    if (exportLogo) {
      Image image = ImageLocalServiceUtil.getImage(layoutSet.getLogoId());

      if (image != null) {
        String logoPath = getLayoutSetLogoPath(portletDataContext);

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

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

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

      settingsElement.addCDATA(layoutSet.getSettings());
    }

    Element cssElement = headerElement.addElement("css");

    cssElement.addCDATA(layoutSet.getCss());

    Portlet layoutConfigurationPortlet =
        PortletLocalServiceUtil.getPortletById(
            portletDataContext.getCompanyId(), PortletKeys.LAYOUT_CONFIGURATION);

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

    List<Layout> layouts = null;

    if ((layoutIds == null) || (layoutIds.length == 0)) {
      layouts = LayoutLocalServiceUtil.getLayouts(groupId, privateLayout);
    } else {
      layouts = LayoutLocalServiceUtil.getLayouts(groupId, privateLayout, layoutIds);
    }

    List<Portlet> portlets = getAlwaysExportablePortlets(companyId);

    if (!layouts.isEmpty()) {
      Layout firstLayout = layouts.get(0);

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

      for (Portlet portlet : portlets) {
        String portletId = portlet.getRootPortletId();

        if (!group.isStagedPortlet(portletId)) {
          continue;
        }

        String key = PortletPermissionUtil.getPrimaryKey(0, portletId);

        if (portletIds.get(key) == null) {
          portletIds.put(
              key,
              new Object[] {
                portletId, firstLayout.getPlid(), groupId, StringPool.BLANK, StringPool.BLANK
              });
        }
      }
    }

    Element layoutsElement = rootElement.addElement("layouts");

    String layoutSetPrototypeUuid = layoutSet.getLayoutSetPrototypeUuid();

    if (Validator.isNotNull(layoutSetPrototypeUuid)) {
      LayoutSetPrototype layoutSetPrototype =
          LayoutSetPrototypeLocalServiceUtil.getLayoutSetPrototypeByUuid(layoutSetPrototypeUuid);

      layoutsElement.addAttribute("layout-set-prototype-uuid", layoutSetPrototypeUuid);

      if (publishToRemote) {
        String path = getLayoutSetPrototype(portletDataContext, layoutSetPrototypeUuid);

        File layoutSetPrototypeFile = null;

        InputStream inputStream = null;

        try {
          layoutSetPrototypeFile =
              SitesUtil.exportLayoutSetPrototype(layoutSetPrototype, serviceContext);

          inputStream = new FileInputStream(layoutSetPrototypeFile);

          portletDataContext.addZipEntry(path.concat(".lar"), inputStream);
          portletDataContext.addZipEntry(path.concat(".xml"), layoutSetPrototype);
        } finally {
          StreamUtil.cleanUp(inputStream);

          FileUtil.delete(layoutSetPrototypeFile);
        }
      }
    }

    for (Layout layout : layouts) {
      exportLayout(
          portletDataContext,
          layoutConfigurationPortlet,
          layoutCache,
          portlets,
          portletIds,
          exportPermissions,
          exportUserPermissions,
          layout,
          layoutsElement);
    }

    if (PropsValues.PERMISSIONS_USER_CHECK_ALGORITHM < 5) {
      Element rolesElement = rootElement.addElement("roles");

      if (exportPermissions) {
        _permissionExporter.exportLayoutRoles(layoutCache, companyId, groupId, rolesElement);
      }
    }

    long previousScopeGroupId = portletDataContext.getScopeGroupId();

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

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

      Object[] portletObjects = portletIdsEntry.getValue();

      String portletId = null;
      long plid = 0;
      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 = LayoutLocalServiceUtil.getLayout(plid);

      portletDataContext.setPlid(layout.getPlid());
      portletDataContext.setOldPlid(layout.getPlid());
      portletDataContext.setScopeGroupId(scopeGroupId);
      portletDataContext.setScopeType(scopeType);
      portletDataContext.setScopeLayoutUuid(scopeLayoutUuid);

      boolean[] exportPortletControls =
          getExportPortletControls(companyId, portletId, portletDataContext, parameterMap);

      _portletExporter.exportPortlet(
          portletDataContext,
          layoutCache,
          portletId,
          layout,
          portletsElement,
          defaultUserId,
          exportPermissions,
          exportPortletArchivedSetups,
          exportPortletControls[0],
          exportPortletControls[1],
          exportPortletUserPreferences,
          exportUserPermissions);
    }

    portletDataContext.setScopeGroupId(previousScopeGroupId);

    if (exportCategories) {
      exportAssetCategories(portletDataContext);
    }

    _portletExporter.exportAssetLinks(portletDataContext);
    _portletExporter.exportAssetTags(portletDataContext);
    _portletExporter.exportComments(portletDataContext);
    _portletExporter.exportExpandoTables(portletDataContext);
    _portletExporter.exportLocks(portletDataContext);

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

    _portletExporter.exportRatingsEntries(portletDataContext, rootElement);

    if (exportTheme && !portletDataContext.isPerformDirectBinaryImport()) {
      exportTheme(layoutSet, zipWriter);
    }

    if (_log.isInfoEnabled()) {
      if (stopWatch != null) {
        _log.info("Exporting layouts takes " + stopWatch.getTime() + " ms");
      } else {
        _log.info("Exporting layouts is finished");
      }
    }

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

    try {
      return zipWriter.getFile();
    } finally {
      if (updateLastPublishDate) {
        updateLastPublishDate(layoutSet, lastPublishDate);
      }
    }
  }
  @Test
  public void testUpdateExisting() throws Exception {
    long pk = RandomTestUtil.nextLong();

    LayoutSet newLayoutSet = _persistence.create(pk);

    newLayoutSet.setMvccVersion(RandomTestUtil.nextLong());

    newLayoutSet.setGroupId(RandomTestUtil.nextLong());

    newLayoutSet.setCompanyId(RandomTestUtil.nextLong());

    newLayoutSet.setCreateDate(RandomTestUtil.nextDate());

    newLayoutSet.setModifiedDate(RandomTestUtil.nextDate());

    newLayoutSet.setPrivateLayout(RandomTestUtil.randomBoolean());

    newLayoutSet.setLogoId(RandomTestUtil.nextLong());

    newLayoutSet.setThemeId(RandomTestUtil.randomString());

    newLayoutSet.setColorSchemeId(RandomTestUtil.randomString());

    newLayoutSet.setWapThemeId(RandomTestUtil.randomString());

    newLayoutSet.setWapColorSchemeId(RandomTestUtil.randomString());

    newLayoutSet.setCss(RandomTestUtil.randomString());

    newLayoutSet.setPageCount(RandomTestUtil.nextInt());

    newLayoutSet.setSettings(RandomTestUtil.randomString());

    newLayoutSet.setLayoutSetPrototypeUuid(RandomTestUtil.randomString());

    newLayoutSet.setLayoutSetPrototypeLinkEnabled(RandomTestUtil.randomBoolean());

    _layoutSets.add(_persistence.update(newLayoutSet));

    LayoutSet existingLayoutSet = _persistence.findByPrimaryKey(newLayoutSet.getPrimaryKey());

    Assert.assertEquals(existingLayoutSet.getMvccVersion(), newLayoutSet.getMvccVersion());
    Assert.assertEquals(existingLayoutSet.getLayoutSetId(), newLayoutSet.getLayoutSetId());
    Assert.assertEquals(existingLayoutSet.getGroupId(), newLayoutSet.getGroupId());
    Assert.assertEquals(existingLayoutSet.getCompanyId(), newLayoutSet.getCompanyId());
    Assert.assertEquals(
        Time.getShortTimestamp(existingLayoutSet.getCreateDate()),
        Time.getShortTimestamp(newLayoutSet.getCreateDate()));
    Assert.assertEquals(
        Time.getShortTimestamp(existingLayoutSet.getModifiedDate()),
        Time.getShortTimestamp(newLayoutSet.getModifiedDate()));
    Assert.assertEquals(existingLayoutSet.getPrivateLayout(), newLayoutSet.getPrivateLayout());
    Assert.assertEquals(existingLayoutSet.getLogoId(), newLayoutSet.getLogoId());
    Assert.assertEquals(existingLayoutSet.getThemeId(), newLayoutSet.getThemeId());
    Assert.assertEquals(existingLayoutSet.getColorSchemeId(), newLayoutSet.getColorSchemeId());
    Assert.assertEquals(existingLayoutSet.getWapThemeId(), newLayoutSet.getWapThemeId());
    Assert.assertEquals(
        existingLayoutSet.getWapColorSchemeId(), newLayoutSet.getWapColorSchemeId());
    Assert.assertEquals(existingLayoutSet.getCss(), newLayoutSet.getCss());
    Assert.assertEquals(existingLayoutSet.getPageCount(), newLayoutSet.getPageCount());
    Assert.assertEquals(existingLayoutSet.getSettings(), newLayoutSet.getSettings());
    Assert.assertEquals(
        existingLayoutSet.getLayoutSetPrototypeUuid(), newLayoutSet.getLayoutSetPrototypeUuid());
    Assert.assertEquals(
        existingLayoutSet.getLayoutSetPrototypeLinkEnabled(),
        newLayoutSet.getLayoutSetPrototypeLinkEnabled());
  }