/* * Copyright 2004-2005 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *      http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package net.sf.jml;/** * Contact list. See * <a href="http://www.hypothetic.org/docs/msn/notification/get_details.php">http://www.hypothetic.org/docs/msn/notification/get_details.php</a> * "Background information" section. *  * @author Roger Chen */public interface MsnContactList {    /**     * Get the MsnMessenger the contact list belongs to.     *      * @return	     * 		MsnMessenger     */    public MsnMessenger getMessenger();    /**     * Contact list version number. If the version is the same     * as msn server contact list version, OutgoingSYN will      * not return the whole contact list.     *     * @return     * 		contact list version     */    public String getVersion();    /**     * Get the groups in the contact list.     *      * @return     * 		groups in the contact list     */    public MsnGroup[] getGroups();    /**     * Get the group in the contact list.     *      * @param groupId     * 		group id     * @return     * 		MsnGroup      */    public MsnGroup getGroup(String groupId);    /**     * Get the default group.     *      * @return     * 		default group     */    public MsnGroup getDefaultGroup();    /**     * Get the contacts in the contact list.     *      * @return     * 		the contacts in the contact list      */    public MsnContact[] getContacts();    /**     * Get the contact in the contact list.     *      * @param id     * 		contact's id     * @return     * 		MsnContact     */    public MsnContact getContactById(String id);    /**     * Get the contact in the contact list.     *      * @param email     * 		contact's email     * @return     * 		MsnContact     */    public MsnContact getContactByEmail(Email email);    /**     * Get the contacts in the MsnList.     *      * @param list     * 		MsnList     * @return     * 		the contacts in the MsnList     */    public MsnContact[] getContactsInList(MsnList list);}