/**
* Checks whether the carbon is supported by the server or not.
*
* @return <tt>true</tt> if carbon is supported by the server and <tt>false</tt> if not.
*/
private boolean isCarbonSupported() {
try {
return jabberProvider
.getDiscoveryManager()
.discoverInfo(jabberProvider.getAccountID().getService())
.containsFeature(CarbonPacketExtension.NAMESPACE);
} catch (XMPPException e) {
logger.warn("Failed to retrieve carbon support." + e.getMessage());
}
return false;
}
/** 发送消息 */
public void sendMessage(String sessionJID, String sessionName, String message, String type)
throws RemoteException {
ChatManager chatManager = ChatManager.getInstanceFor(connection);
Chat chat;
// 查找Chat对策
if (jidChats.containsKey(sessionJID)) {
chat = jidChats.get(sessionJID);
// 创建Chat
} else {
chat = chatManager.createChat(sessionJID, null);
// 添加到集合
jidChats.put(sessionJID, chat);
}
if (chat != null) {
try {
// 发送消息
chat.sendMessage(message);
// 保存聊天记录
ContentValues values = new ContentValues();
values.put(SMSProvider.SMSColumns.BODY, message);
values.put(SMSProvider.SMSColumns.TYPE, type);
values.put(SMSProvider.SMSColumns.TIME, System.currentTimeMillis());
values.put(SMSProvider.SMSColumns.WHO_ID, IM.getString(IM.ACCOUNT_JID));
values.put(SMSProvider.SMSColumns.SESSION_ID, sessionJID);
values.put(SMSProvider.SMSColumns.SESSION_NAME, sessionName);
imService.getContentResolver().insert(SMSProvider.SMS_URI, values);
} catch (XMPPException e) {
e.printStackTrace();
} catch (SmackException.NotConnectedException e) {
e.printStackTrace();
}
}
}
/** 建立XMPP连接 */
public boolean connect() throws RemoteException {
// 已经连接
if (connection.isConnected()) {
return true;
} else {
try {
// 开始连接
connection.connect();
if (connectionListener == null) {
// 添加一个连接监听器
connectionListener = new IMClientConnectListener();
}
connection.addConnectionListener(connectionListener);
return true;
} catch (SmackException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (XMPPException e) {
e.printStackTrace();
}
}
return false;
}
/** 登陆XMPP服务器 */
public boolean login() throws RemoteException {
// 未建立XMPP连接
if (!connection.isConnected()) {
return false;
}
// 应经登陆过
if (connection.isAuthenticated()) {
return true;
} else {
// 开始登陆
try {
connection.login(account, password, imService.getString(R.string.app_name));
if (messageListener == null) {
messageListener = new MessageListener();
}
// 添加消息监听器
connection.addPacketListener(messageListener, new PacketTypeFilter(Message.class));
Roster roster = connection.getRoster();
if (rosterListener == null) {
rosterListener = new IMClientRosterListener();
}
// 添加花名册监听器
roster.addRosterListener(rosterListener);
// 获取花名册
if (roster != null && roster.getEntries().size() > 0) {
Uri uri = null;
for (RosterEntry entry : roster.getEntries()) {
// 获取联系人名片信息
VCard vCard = new VCard();
vCard.load(connection, entry.getUser());
// 用户名称
String userName = StringUtils.parseName(entry.getUser());
// 用户备注
String remarks = entry.getName();
// 通讯录的名称
String name = "";
// 名称与备注判断
if (userName.equals(remarks) && vCard != null) {
// 使用联系人的昵称
name = vCard.getNickName();
} else {
// 使用备注
name = remarks;
}
if (vCard != null) {
IM.saveAvatar(vCard.getAvatar(), StringUtils.parseName(entry.getUser()));
}
ContentValues values = new ContentValues();
values.put(ContactsProvider.ContactColumns.ACCOUNT, entry.getUser());
values.put(ContactsProvider.ContactColumns.NAME, name);
String sortStr = PinYin.getPinYin(name);
values.put(ContactsProvider.ContactColumns.SORT, sortStr);
values.put(
ContactsProvider.ContactColumns.SECTION,
sortStr.substring(0, 1).toUpperCase(Locale.ENGLISH));
// 储存联系人
if (imService
.getContentResolver()
.update(
ContactsProvider.CONTACT_URI,
values,
ContactsProvider.ContactColumns.ACCOUNT + " = ?",
new String[] {entry.getUser()})
== 0) {
uri = imService.getContentResolver().insert(ContactsProvider.CONTACT_URI, values);
}
}
// 发生改变，通知刷新
if (uri != null) {
imService.getContentResolver().notifyChange(uri, null);
}
}
} catch (XMPPException e) {
e.printStackTrace();
} catch (SmackException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return true;
}
}