private static UserPreferences readPreferences(Preferences settings, boolean defaultsToDisabled) {
boolean atLeastOneEnabled = false;
UserPreferences prefs = UserPreferences.createDefaultUserPreferences();
DetectorFactoryCollection dfc = DetectorFactoryCollection.instance();
for (DetectorFactory df : dfc.getFactories()) {
boolean enable = false;
if (!df.isHidden()) {
for (BugPattern bp : df.getReportedBugPatterns()) {
BugCategory c = dfc.getBugCategory(bp.getCategory());
if (c.isHidden()) continue;
enable |=
settings.getBoolean(bp.getType(), !defaultsToDisabled && prefs.isDetectorEnabled(df));
}
}
atLeastOneEnabled |= enable;
prefs.enableDetector(df, enable);
}
return atLeastOneEnabled ? prefs : null;
}
