private LdapInternalSearch getInternalSearch(Set<String> attrsToGet) {
// This is a bit tricky. If the LdapFilter has an entry DN,
// we only need to look at that entry and check whether it matches
// the native filter. Moreover, when looking at the entry DN
// we must not throw exceptions if the entry DN does not exist or is
// not valid -- just as no exceptions are thrown when the native
// filter doesn't return any values.
//
// In the simple case when the LdapFilter has no entryDN, we
// will just search over our base DNs looking for entries
// matching the native filter.
LdapSearchStrategy strategy;
List<String> dns;
int searchScope;
final String filterEntryDN = filter != null ? filter.getEntryDN() : null;
if (filterEntryDN != null) {
// Would be good to check that filterEntryDN is under the configured
// base contexts. However, the adapter is likely to pass entries
// outside the base contexts, so not checking in order to be on the
// safe side.
strategy = new ADDefaultSearchStrategy(true);
dns = singletonList(filterEntryDN);
searchScope = SearchControls.OBJECT_SCOPE;
} else {
strategy = getSearchStrategy();
dns = getBaseDNs();
searchScope = getLdapSearchScope();
}
final SearchControls controls = LdapInternalSearch.createDefaultSearchControls();
final Set<String> ldapAttrsToGet = utils.getLdapAttributesToGet(attrsToGet, oclass);
controls.setReturningAttributes(ldapAttrsToGet.toArray(new String[ldapAttrsToGet.size()]));
controls.setSearchScope(searchScope);
final String optionsFilter = LdapConstants.getSearchFilter(options);
final String searchFilter =
oclass.equals(ObjectClass.ACCOUNT)
? conn.getConfiguration().getAccountSearchFilter()
: ((ADConfiguration) conn.getConfiguration()).getGroupSearchFilter();
final String nativeFilter = filter != null ? filter.getNativeFilter() : null;
return new LdapInternalSearch(
conn, getSearchFilter(optionsFilter, nativeFilter, searchFilter), dns, strategy, controls);
}
public final void executeADQuery(final ResultsHandler handler) {
final String[] attrsToGetOption = options.getAttributesToGet();
final Set<String> attrsToGet = utils.getAttributesToGet(attrsToGetOption, oclass);
final LdapInternalSearch search = getInternalSearch(attrsToGet);
search.execute(
new SearchResultsHandler() {
@Override
public boolean handle(String baseDN, SearchResult result) throws NamingException {
return handler.handle(
utils.createConnectorObject(
result.getNameInNamespace(), result, attrsToGet, oclass));
}
});
}