@Override
protected String doExportData(
PortletDataContext portletDataContext,
String portletId,
PortletPreferences portletPreferences)
throws Exception {
long questionId =
GetterUtil.getLong(portletPreferences.getValue("questionId", StringPool.BLANK));
if (questionId <= 0) {
if (_log.isWarnEnabled()) {
_log.warn("No question id found in preferences of portlet " + portletId);
}
return StringPool.BLANK;
}
PollsQuestion question = null;
try {
question = PollsQuestionUtil.findByPrimaryKey(questionId);
} catch (NoSuchQuestionException nsqe) {
if (_log.isWarnEnabled()) {
_log.warn(nsqe, nsqe);
}
return StringPool.BLANK;
}
portletDataContext.addPermissions(
"com.liferay.portlet.polls", portletDataContext.getScopeGroupId());
Document document = SAXReaderUtil.createDocument();
Element rootElement = document.addElement("polls-display-data");
rootElement.addAttribute("group-id", String.valueOf(portletDataContext.getScopeGroupId()));
Element questionsElement = rootElement.addElement("questions");
Element choicesElement = rootElement.addElement("choices");
Element votesElement = rootElement.addElement("votes");
PollsPortletDataHandlerImpl.exportQuestion(
portletDataContext, questionsElement, choicesElement, votesElement, question);
return document.formattedString();
}
@Override
protected PortletPreferences doImportData(
PortletDataContext portletDataContext,
String portletId,
PortletPreferences portletPreferences,
String data)
throws Exception {
portletDataContext.importPermissions(
"com.liferay.portlet.polls",
portletDataContext.getSourceGroupId(),
portletDataContext.getScopeGroupId());
if (Validator.isNull(data)) {
return null;
}
Document document = SAXReaderUtil.read(data);
Element rootElement = document.getRootElement();
Element questionsElement = rootElement.element("questions");
for (Element questionElement : questionsElement.elements("question")) {
String path = questionElement.attributeValue("path");
if (!portletDataContext.isPathNotProcessed(path)) {
continue;
}
PollsQuestion question = (PollsQuestion) portletDataContext.getZipEntryAsObject(path);
PollsPortletDataHandlerImpl.importQuestion(portletDataContext, questionElement, question);
}
Element choicesElement = rootElement.element("choices");
for (Element choiceElement : choicesElement.elements("choice")) {
String path = choiceElement.attributeValue("path");
if (!portletDataContext.isPathNotProcessed(path)) {
continue;
}
PollsChoice choice = (PollsChoice) portletDataContext.getZipEntryAsObject(path);
PollsPortletDataHandlerImpl.importChoice(portletDataContext, choice);
}
if (portletDataContext.getBooleanParameter(_NAMESPACE, "votes")) {
Element votesElement = rootElement.element("votes");
for (Element voteElement : votesElement.elements("vote")) {
String path = voteElement.attributeValue("path");
if (!portletDataContext.isPathNotProcessed(path)) {
continue;
}
PollsVote vote = (PollsVote) portletDataContext.getZipEntryAsObject(path);
PollsPortletDataHandlerImpl.importVote(portletDataContext, vote);
}
}
long questionId =
GetterUtil.getLong(portletPreferences.getValue("questionId", StringPool.BLANK));
if (questionId > 0) {
Map<Long, Long> questionPKs =
(Map<Long, Long>) portletDataContext.getNewPrimaryKeysMap(PollsQuestion.class);
questionId = MapUtil.getLong(questionPKs, questionId, questionId);
portletPreferences.setValue("questionId", String.valueOf(questionId));
}
return portletPreferences;
}