protected String deletePortletData(
PortletDataContext portletDataContext, PortletPreferences portletPreferences)
throws Exception {
Group group = GroupLocalServiceUtil.getGroup(portletDataContext.getGroupId());
if (!group.isStagedPortlet(portletDataContext.getPortletId())) {
if (_log.isDebugEnabled()) {
_log.debug(
"Do not delete portlet data for "
+ portletDataContext.getPortletId()
+ " because the portlet is not staged");
}
return null;
}
Portlet portlet =
PortletLocalServiceUtil.getPortletById(
portletDataContext.getCompanyId(), portletDataContext.getPortletId());
if (portlet == null) {
if (_log.isDebugEnabled()) {
_log.debug(
"Do not delete portlet data for "
+ portletDataContext.getPortletId()
+ " because the portlet does not exist");
}
return null;
}
PortletDataHandler portletDataHandler = portlet.getPortletDataHandlerInstance();
if (portletDataHandler == null) {
if (_log.isDebugEnabled()) {
StringBundler sb = new StringBundler(4);
sb.append("Do not delete portlet data for ");
sb.append(portletDataContext.getPortletId());
sb.append(" because the portlet does not have a ");
sb.append("PortletDataHandler");
_log.debug(sb.toString());
}
return null;
}
if (_log.isDebugEnabled()) {
_log.debug("Deleting data for " + portletDataContext.getPortletId());
}
PortletPreferencesImpl portletPreferencesImpl =
(PortletPreferencesImpl)
PortletPreferencesFactoryUtil.fromDefaultXML(portletPreferences.getPreferences());
try {
portletPreferencesImpl =
(PortletPreferencesImpl)
portletDataHandler.deleteData(
portletDataContext, portletDataContext.getPortletId(), portletPreferencesImpl);
} finally {
portletDataContext.setGroupId(portletDataContext.getScopeGroupId());
}
if (portletPreferencesImpl == null) {
return null;
}
return PortletPreferencesFactoryUtil.toXML(portletPreferencesImpl);
}
