Java tutorial
/* * LumaQQ - Java QQ Client * * Copyright (C) 2004 luma <stubma@163.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package edu.tsinghua.lumaqq.ui.jobs; import java.io.IOException; import java.net.InetSocketAddress; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.Iterator; import java.util.List; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import edu.tsinghua.lumaqq.models.ModelRegistry; import edu.tsinghua.lumaqq.models.User; import edu.tsinghua.lumaqq.qq.QQ; import edu.tsinghua.lumaqq.qq.QQPort; import edu.tsinghua.lumaqq.qq.beans.CustomHead; import edu.tsinghua.lumaqq.qq.events.QQEvent; import edu.tsinghua.lumaqq.qq.net.IConnection; import edu.tsinghua.lumaqq.qq.packets.in._03.GetCustomHeadInfoReplyPacket; import edu.tsinghua.lumaqq.ui.MainShell; import edu.tsinghua.lumaqq.ui.helper.FaceRegistry; /** * ?? * * @author luma */ public class GetCustomHeadInfoJob extends AbstractJob { private static Log log = LogFactory.getLog(GetCustomHeadInfoJob.class); private List<Integer> friends; private List<CustomHead> headInfo; private IConnection conn; private int page; private static final int MAX_INFO = 20; @Override public void prepare(MainShell m) { super.prepare(m); headInfo = new ArrayList<CustomHead>(); main.getClient().addQQListener(this); } @Override public Object getLinkArgument() { return headInfo; } @Override public void clear() { if (conn != null) { main.getClient().releaseConnection(conn.getId()); conn = null; } main.getClient().removeQQListener(this); } @Override public boolean isSuccess() { return true; } @Override protected boolean canRun() { // port try { conn = QQPort.CUSTOM_HEAD_INFO.create(main.getClient(), new InetSocketAddress(QQ.QQ_SERVER_DOWNLOAD_CUSTOM_HEAD, 4000), null, true); } catch (IOException e) { log.error("??"); return false; } // ?? friends = new ArrayList<Integer>(); Iterator<User> iter = ModelRegistry.getUserIterator(); while (iter.hasNext()) { User u = iter.next(); if (u.hasCustomHead) friends.add(u.qq); } // ?0 if (friends.isEmpty()) return false; return true; } @Override protected void preLoop() { // ? Collections.sort(friends, new Comparator<Integer>() { public int compare(Integer o1, Integer o2) { return o1 - o2; } }); // ?? log.debug("?:" + friends.size()); page = 1; main.getClient().customHead_GetInfo(friends.subList(0, Math.min(MAX_INFO, friends.size())), conn.getId()); } @Override protected void OnQQEvent(QQEvent e) { switch (e.type) { case QQEvent.USER_GET_CUSTOM_HEAD_INFO_OK: processGetCustomHeadInfoSuccess(e); break; case QQEvent.SYS_TIMEOUT_03: switch (e.operation) { case QQ.QQ_03_CMD_GET_CUSTOM_HEAD_INFO: processGetCustomHeadInfoTimeout(e); break; } break; } } /** * ???? * * @param e */ private synchronized void processGetCustomHeadInfoSuccess(QQEvent e) { GetCustomHeadInfoReplyPacket packet = (GetCustomHeadInfoReplyPacket) e.getSource(); FaceRegistry reg = FaceRegistry.getInstance(); for (CustomHead head : packet.heads) { User u = ModelRegistry.getUser(head.qq); if (u.customHeadTimestamp < head.timestamp || !reg.hasFace(reg.getMd5ById(u.customHeadId))) headInfo.add(head); } postGetCustomHeadInfo(); } /** * ??? * * @param e */ private synchronized void processGetCustomHeadInfoTimeout(QQEvent e) { postGetCustomHeadInfo(); } /** * ?????????? */ private void postGetCustomHeadInfo() { if (friends.size() > page * MAX_INFO) { main.getClient().customHead_GetInfo( friends.subList(page * MAX_INFO, Math.min(friends.size(), page * MAX_INFO + MAX_INFO)), conn.getId()); page++; } else { wake(); } } }