| LegacyPortletUpgradeTask | Responsible for providing the information required to converting a legacyPorltet over to a new Gadget. |
| LegacyPortletUpgradeTaskFactory | Provides LegacyPortlet to Gadget upgrade tasks. |
| SearchRequestConverter |
| AbstractLegacyPortletUpgradeTask | Abstract implementation that provides a default way of converting properties to the new userpreferences format. |
| BuildNumberDao | Provides utilities around writing all the various build number / version number values in the DB. |
| DefaultLegacyPortletUpgradeTaskFactory | |
| SimpleLegacyPortletUpgradeTask | Simple legacy portlet upgrade task where no extra work needs to be done to map from existing user preferences to new user preferences. |
| UpgradeEntityUtil | Utility tool for deleting data in upgrade tasks. |
| UpgradeUtils | |
| UsersGroupParamConverter | |
| XsltSearchRequestTransformer |
