public boolean updateNewsStates(Collection<StatesUpdateInfo> statesUpdateInfos) {
boolean changed = false;
for (StatesUpdateInfo info : statesUpdateInfos) {
long newsId = info.getNewsReference().getId();
if (info.getOldState() == null) {
boolean itemRemoved = fNewsIds[INews.State.NEW.ordinal()].removeByElement(newsId);
if (!itemRemoved) {
EnumSet<State> remainingStates = EnumSet.allOf(INews.State.class);
remainingStates.remove(INews.State.NEW);
remainingStates.remove(info.getNewState());
for (INews.State state : remainingStates) {
if (fNewsIds[state.ordinal()].removeByElement(newsId)) itemRemoved = true;
}
}
if (itemRemoved) {
changed = true;
fNewsIds[info.getNewState().ordinal()].add(newsId);
}
} else if (fNewsIds[info.getOldState().ordinal()].removeByElement(newsId)) {
changed = true;
fNewsIds[info.getNewState().ordinal()].add(newsId);
}
}
return changed;
}
public List<NewsReference> removeNews(Set<INews.State> states) {
List<NewsReference> newsRefs = getNews(states);
for (INews.State state : states) {
int index = state.ordinal();
fNewsIds[index].clear();
}
return newsRefs;
}
public NewsContainer(Map<INews.State, Boolean> statesToSortedMap) {
int length = INews.State.values().length;
fNewsIds = new LongArrayList[length];
for (int i = 0; i < fNewsIds.length; i++) {
Boolean sort = statesToSortedMap.get(INews.State.getState(i));
if (sort != null && sort.equals(Boolean.TRUE)) fNewsIds[i] = new SortedLongArrayList(0);
else fNewsIds[i] = new LongArrayList(0);
}
}
public int getNewsCount(Set<INews.State> states) {
Assert.isNotNull(states, "states"); // $NON-NLS-1$
int count = 0;
for (INews.State state : states) {
count += fNewsIds[state.ordinal()].size();
}
return count;
}
public List<NewsReference> getNews(Set<INews.State> states) {
List<NewsReference> newsRefs = new ArrayList<NewsReference>(getNewsCount(states));
for (INews.State state : states) {
int index = state.ordinal();
LongArrayList newsIds = fNewsIds[index];
for (int i = 0, c = newsIds.size(); i < c; ++i) {
long newsId = newsIds.get(i);
Assert.isLegal(newsId != 0);
newsRefs.add(new NewsReference(newsId));
}
}
return newsRefs;
}
/**
* @param searchMarks The Set of <code>ISearchMark</code> to update the results in.
* @param fromUserEvent Indicates whether to update the saved searches due to a user initiated
* event or an automatic one.
*/
public void updateSavedSearches(Collection<ISearchMark> searchMarks, boolean fromUserEvent) {
boolean firstUpdate = !fUpdatedOnce.get();
fUpdatedOnce.set(true);
IModelSearch modelSearch = Owl.getPersistenceService().getModelSearch();
Set<SearchMarkEvent> events = new HashSet<SearchMarkEvent>(searchMarks.size());
/* For each Search Mark */
for (ISearchMark searchMark : searchMarks) {
/* Return early if shutting down */
if (Controller.getDefault().isShuttingDown()) return;
/* Execute the search */
List<SearchHit<NewsReference>> results =
modelSearch.searchNews(searchMark.getSearchConditions(), searchMark.matchAllConditions());
/* Fill Result into Map Buckets */
Map<INews.State, List<NewsReference>> resultsMap =
new EnumMap<INews.State, List<NewsReference>>(INews.State.class);
Set<State> visibleStates = INews.State.getVisible();
for (SearchHit<NewsReference> searchHit : results) {
/* Return early if shutting down */
if (Controller.getDefault().isShuttingDown()) return;
INews.State state = (State) searchHit.getData(INews.STATE);
if (visibleStates.contains(state)) {
List<NewsReference> newsRefs = resultsMap.get(state);
if (newsRefs == null) {
newsRefs = new ArrayList<NewsReference>(results.size() / 3);
resultsMap.put(state, newsRefs);
}
newsRefs.add(searchHit.getResult());
}
}
/* Set Result */
Pair<Boolean, Boolean> result = searchMark.setNewsRefs(resultsMap);
boolean changed = result.getFirst();
boolean newNewsAdded = result.getSecond();
/* Create Event to indicate changed results if any */
if (changed)
events.add(
new SearchMarkEvent(
searchMark, null, true, !firstUpdate && !fromUserEvent && newNewsAdded));
}
/* Notify Listeners */
if (!events.isEmpty() && !Controller.getDefault().isShuttingDown())
DynamicDAO.getDAO(ISearchMarkDAO.class).fireNewsChanged(events);
}
public Pair<Boolean, Boolean> setNews(Map<INews.State, List<NewsReference>> newsMap) {
Assert.isNotNull(newsMap, "newsMap"); // $NON-NLS-1$
boolean changed = false;
boolean isNewNewsAdded = false;
Set<INews.State> statesToReset = EnumSet.allOf(INews.State.class);
statesToReset.removeAll(newsMap.keySet());
/* Reset all ArrayLists whose state is not present in newsMap */
for (INews.State state : statesToReset) {
int index = state.ordinal();
LongArrayList currentArrayList = fNewsIds[index];
if (currentArrayList.size() > 0) {
currentArrayList.clear();
changed = true;
}
}
/* For each Result */
for (Map.Entry<INews.State, List<NewsReference>> mapEntry : newsMap.entrySet()) {
List<NewsReference> news = mapEntry.getValue();
INews.State state = mapEntry.getKey();
Assert.isNotNull(news, "news"); // $NON-NLS-1$
Assert.isNotNull(state, "state"); // $NON-NLS-1$
long[] newArray = new long[news.size()];
/* Fill Bucket */
for (int i = 0; i < news.size(); i++) {
newArray[i] = news.get(i).getId();
}
int index = state.ordinal();
LongArrayList currentArrayList = fNewsIds[index];
if (state.equals(INews.State.NEW)) {
/* Check for added *new* News */
if (newArray.length > currentArrayList.size()) isNewNewsAdded = true;
else {
for (long value : newArray) {
if (currentArrayList.indexOf(value) < 0) {
isNewNewsAdded = true;
break;
}
}
}
if (isNewNewsAdded || (newArray.length != currentArrayList.size())) {
changed = true;
currentArrayList.setAll(newArray);
}
} else {
if (!currentArrayList.elementsEqual(newArray)) {
currentArrayList.setAll(newArray);
changed = true;
}
}
}
return Pair.create(changed, isNewNewsAdded);
}
private void showFeed(final IFeed feed) {
if (feed != null && !fBrowser.getControl().isDisposed()) {
List<INews> news = feed.getNewsByStates(INews.State.getVisible());
int newsCount = news.size();
if (news.size() > MAX_NEWS_SHOWN) news = news.subList(0, MAX_NEWS_SHOWN);
/* Start HTML */
StringBuilder html = new StringBuilder();
html.append(
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n"); //$NON-NLS-1$
/* Windows only: Mark of the Web */
if (Application.IS_WINDOWS) {
html.append(IE_MOTW);
html.append("\n"); // $NON-NLS-1$
}
/* Head */
html.append("<html>\n <head>\n"); // $NON-NLS-1$
/* Append Base URI if available */
URI base = (feed.getBase() != null) ? feed.getBase() : feed.getLink();
if (base != null) {
html.append(" <base href=\""); // $NON-NLS-1$
html.append(base);
html.append("\">"); // $NON-NLS-1$
}
/* Meta */
html.append(
"\n <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n"); //$NON-NLS-1$
/* CSS */
try {
StringWriter writer = new StringWriter();
fLabelProvider.writeCSS(writer, false);
html.append(writer.toString());
} catch (IOException e) {
/* Will Never Happen */
}
/* Open Body */
html.append(" </head>\n <body id=\"owlbody\">\n"); // $NON-NLS-1$
/* Title */
if (StringUtils.isSet(fBookmark.getName()))
html.append("<div class=\"group\">")
.append(fBookmark.getName())
.append("</div>"); // $NON-NLS-1$ //$NON-NLS-2$
/* Write News */
for (INews item : news) {
html.append(fLabelProvider.getText(item, false));
}
/* End HTML */
html.append("\n </body>\n</html>"); // $NON-NLS-1$
/* Apply to Browser */
fBrowser.getControl().setText(html.toString());
/* Also Update Status */
if (StringUtils.isSet(fBookmark.getName())) {
StringBuilder str = new StringBuilder();
if (feed.getHomepage() != null) {
str.append(
NLS.bind(
Messages.PreviewFeedDialog_FOUND_N_NEWS_HOMEPAGE,
newsCount,
fBookmark.getName()));
fStatusLabel.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
new OpenInBrowserAction(new StructuredSelection(feed.getHomepage())).run();
}
});
} else
str.append(
NLS.bind(Messages.PreviewFeedDialog_FOUND_N_NEWS, newsCount, fBookmark.getName()));
fStatusLabel.setText(str.toString());
}
}
}