/// <summary>
/// 用默认配置实例化一个数据库
/// </summary>
public Common()
{
if (NowDataBase == null)
{
try
{
IKeelHack ik = KeelHackHelper.GetKeelHack();
try
{
NowDataBase = GetIDatabaseByNamespace(ik.DBProviderName, ik.DBConnectionString);
}
catch (Exception)
{
NowDataBase = null;
}
if (NowDataBase != null && NowDataBase.ConnectString == "NULL")
{
NowDataBase.ConnectString = Encoding.Default.GetString(Convert.FromBase64String(KeelHackHelper.ReadKeelHack("DBINFO")));
}
if (NowDataBase == null)
{
NowDataBase = KeelHackHelper.ReadConnectionString();
}
}
catch (Exception)
{
NowDataBase = null;
}
}
if (NowDataBase == null)
{
throw new DataBaseConnectionStringIsException();
}
}
/// <summary>
/// 读取默认的KeelHack实例
/// </summary>
/// <returns></returns>
public static IKeelHack GetKeelHack()
{
IKeelHack result = null;
string ss = System.AppDomain.CurrentDomain.SetupInformation.ConfigurationFile;
ConfigXmlDocument cxd = new System.Configuration.ConfigXmlDocument();
cxd.Load(ss);
string keelhackpath = System.AppDomain.CurrentDomain.SetupInformation.PrivateBinPath + "\\" + ReadConfig(cxd, "KeelHack");
if (System.IO.File.Exists(keelhackpath))
{
Assembly asm = System.Reflection.Assembly.LoadFile(keelhackpath);
Type t = asm.GetType("Keel.KeelHack", false, true);
result = (IKeelHack)Activator.CreateInstance(t);
}
return(result);
}
