group LDAP: usersInGroup not getUsersInGroup

offer static readonly properties

apps/user_ldap/group_ldap.php

@@ -77,13 +77,13 @@ class OC_GROUP_LDAP extends OC_Group_Backend {
 	 * @brief get a list of all users in a group
 	 * @returns array with user ids
 	 */
-	public function getUsersInGroup($gid) {
+	public function usersInGroup($gid) {
 		$filter = OC_LDAP::combineFilterWithAnd(array(
 			$this->ldapGroupFilter,
 			$this->ldapGroupDisplayName.'='.$gid
 		));
 
-		return $this->retrieveList($filter, OC_LDAP::ldapUserDisplayName);
+		return $this->retrieveList($filter, OC_LDAP::conf('ldapUserDisplayName'));
 	}
 
 	/**

apps/user_ldap/lib_ldap.php

@@ -36,7 +36,7 @@ class OC_LDAP {
 	static protected $ldapTLS;
 	static protected $ldapNoCase;
 	// user and group settings, that are needed in both backends
-	static protected $ldapUserDisplayName;
+	static public $ldapUserDisplayName;
 
 
 	static public function init() {
@@ -44,6 +44,14 @@ class OC_LDAP {
 		self::establishConnection();
 	}
 
+	static public function conf($key) {
+		$availableProperties = array('ldapUserDisplayName');
+
+		if(in_array($key, $availableProperties)) {
+			return self::$$key;
+		}
+	}
+
 	/**
 	 * @brief executes an LDAP search
 	 * @param $filter the LDAP filter for the search