public void clear() {
for (Iterator it = contentProviders.values().iterator(); it.hasNext();) {
ContentProviderWrapper providerWrapper = (ContentProviderWrapper) it.next();
IIntroContentProvider provider = providerWrapper.getIIntroContentProvider();
provider.dispose();
}
contentProviders.clear();
if (Log.logInfo)
Log.info("Cleared Intro model content providers"); //$NON-NLS-1$
}