/**
* 获取所有分组列表
*
* @return
*/
public Vector<ReceiveMessage> getMessageList() {
messagelist.removeAllElements();
try {
String[] cols = new String[] {MESSAGE_TEXT, MESSAGE_STATE, RECEIVE_TIME};
if (db.isTableExits(db.getConnection(), MESSAGE_DB)) {
} else {
initMessageTable();
}
System.out.println("table name" + MESSAGE_DB);
Cursor cursor = db.getConnection().query(MESSAGE_DB, cols, null, null, null, null, null);
while (cursor.moveToNext()) {
ReceiveMessage msg = new ReceiveMessage();
msg.message = cursor.getString(cursor.getColumnIndex(MESSAGE_TEXT));
msg.state = Integer.parseInt(cursor.getString(cursor.getColumnIndex(MESSAGE_STATE)));
msg.time = cursor.getString(cursor.getColumnIndex(RECEIVE_TIME));
messagelist.add(msg);
}
cursor.close();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (db.getConnection().isOpen()) {
db.closeConnection(db.getConnection());
}
}
return this.messagelist;
}
/**
* 删除一条记录
*
* @param
*/
public void deleteMessage(String key) {
try {
db.delete(db.getConnection(), MESSAGE_DB, RECEIVE_TIME + "=?", new String[] {key});
} catch (Exception e) {
e.printStackTrace();
} finally {
if (db.getConnection().isOpen()) {
db.closeConnection(db.getConnection());
}
}
}
public MessageTableManager(Context context, String time) {
db = new BaseDB(context);
time = time.replaceAll("-", "_"); // 数据库名不用有特殊符号和中文，因此先做替换操作
MESSAGE_DB = MESSAGE_DB + "_" + time.substring(0, 10); // 将日期截取做为表名，如2011_06_10
isNewInstall = true;
try {
if (db.isTableExits(db.getConnection(), MESSAGE_DB)) {
Cursor cursor =
db.getConnection()
.query(
MESSAGE_DB,
new String[] {MESSAGE_STATE, MESSAGE_TEXT, RECEIVE_TIME},
null,
null,
null,
null,
null);
if (cursor != null) {
while (cursor.moveToNext()) {
isNewInstall = false;
}
}
cursor.close();
db.closeConnection(db.getConnection());
}
if (isNewInstall) {
initMessageTable();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (db.getConnection().isOpen()) {
db.closeConnection(db.getConnection());
}
}
}
/**
* 添加一条消息
*
* @param msg
*/
public void addOneMessage(ReceiveMessage msg) {
try {
ContentValues cv = new ContentValues();
cv.put(MESSAGE_TEXT, msg.message);
cv.put(MESSAGE_STATE, msg.state);
cv.put(RECEIVE_TIME, msg.time);
db.save(db.getConnection(), MESSAGE_DB, cv);
} catch (Exception e) {
e.printStackTrace();
} finally {
if (db.getConnection().isOpen()) {
db.closeConnection(db.getConnection());
}
}
}
/**
* 修改，更新一条记录
*
* @param groupid
*/
public void updateMessage(ReceiveMessage msg) {
try {
ContentValues values = new ContentValues();
values.put(MESSAGE_TEXT, msg.message);
values.put(MESSAGE_STATE, msg.state);
values.put(RECEIVE_TIME, msg.time);
db.update(
db.getConnection(), MESSAGE_DB, values, RECEIVE_TIME + "=?", new String[] {msg.time});
} catch (Exception e) {
e.printStackTrace();
} finally {
if (db.getConnection().isOpen()) {
db.closeConnection(db.getConnection());
}
}
}
/** 批量添加 */
public void saveMessageList(Vector<ReceiveMessage> list) {
try {
for (int i = 0; i < list.size(); i++) {
ReceiveMessage msg = list.elementAt(i);
ContentValues cv = new ContentValues();
cv.put(MESSAGE_TEXT, msg.message);
cv.put(MESSAGE_STATE, msg.state);
cv.put(RECEIVE_TIME, msg.time);
db.save(db.getConnection(), MESSAGE_DB, cv);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (db.getConnection().isOpen()) {
db.closeConnection(db.getConnection());
}
}
}
/** 初始新建表 */
public void initMessageTable() {
String createSQL =
"CREATE TABLE IF NOT EXISTS "
+ MESSAGE_DB
+ " ("
+ MESSAGE_STATE
+ " VARCHAR,"
+ MESSAGE_TEXT
+ " VARCHAR,"
+ RECEIVE_TIME
+ " VARCHAR"
+ ")";
try {
db.creatTable(db.getConnection(), createSQL);
} catch (Exception e) {
e.printStackTrace();
} finally {
if (db.getConnection().isOpen()) {
db.closeConnection(db.getConnection());
}
}
}
