public synchronized void pruneCache() {
try {
final HashSet<Long> currentFiles = new HashSet<Long>(128);
final File externalCacheDir = context.getExternalCacheDir();
final File internalCacheDir = context.getCacheDir();
if (externalCacheDir != null) {
getCacheFileList(externalCacheDir, currentFiles);
}
if (internalCacheDir != null) {
getCacheFileList(internalCacheDir, currentFiles);
}
final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
final HashMap<Integer, Long> maxAge = PrefsUtility.pref_cache_maxage(context, prefs);
final LinkedList<Long> filesToDelete = dbManager.getFilesToPrune(currentFiles, maxAge, 72);
for (final long id : filesToDelete) {
fileDeletionQueue.enqueue(id);
}
} catch (Throwable t) {
BugReportActivity.handleGlobalError(context, t);
}
}
public LinkedList<CacheEntry> getSessions(URI url, RedditAccount user) {
return dbManager.select(url, user.username, null);
}