/// <summary>
/// Same as <see cref="Connect(string, string)"/>(string, string) only this uses an enumeration.
/// </summary>
/// <param name="driver">The driver enumeration for you DBMS system</param>
/// <param name="pluginName">The name of the plugin</param>
/// <param name="connectionString">A valid connection string for you DBMS</param>
/// <returns></returns>
public bool Connect(dbDriver driver, string pluginName, string connectionString)
{
Reset();
try
{
string dbName;
int index;
this._connectionString = connectionString.Replace("\"", "");
this._driver = driver;
switch (_driver)
{
case dbDriver.SQL:
ConnectUsingOleDb(_driver, _connectionString);
this._driverString = MyMetaDrivers.SQL;
this.StripTrailingNulls = false;
this.requiredDatabaseName = true;
ClassFactory = new MyMeta.Sql.ClassFactory();
break;
case dbDriver.Oracle:
ConnectUsingOleDb(_driver, _connectionString);
this._driverString = MyMetaDrivers.Oracle;
this.StripTrailingNulls = false;
this.requiredDatabaseName = true;
ClassFactory = new MyMeta.Oracle.ClassFactory();
break;
case dbDriver.Access:
ConnectUsingOleDb(_driver, _connectionString);
this._driverString = MyMetaDrivers.Access;
this.StripTrailingNulls = false;
this.requiredDatabaseName = false;
ClassFactory = new MyMeta.Access.ClassFactory();
break;
case dbDriver.MySql:
ConnectUsingOleDb(_driver, _connectionString);
this._driverString = MyMetaDrivers.MySql;
this.StripTrailingNulls = true;
this.requiredDatabaseName = true;
ClassFactory = new MyMeta.MySql.ClassFactory();
break;
case dbDriver.MySql2:
using (MySqlConnection mysqlconn = new MySqlConnection(_connectionString))
{
mysqlconn.Close();
mysqlconn.Open();
this._defaultDatabase = mysqlconn.Database;
}
this._driverString = MyMetaDrivers.MySql2;
this.StripTrailingNulls = true;
this.requiredDatabaseName = true;
ClassFactory = new MyMeta.MySql5.ClassFactory();
break;
case dbDriver.DB2:
ConnectUsingOleDb(_driver, _connectionString);
this._driverString = MyMetaDrivers.DB2;
this.StripTrailingNulls = false;
this.requiredDatabaseName = false;
ClassFactory = new MyMeta.DB2.ClassFactory();
break;
case dbDriver.ISeries:
ConnectUsingOleDb(_driver, _connectionString);
this._driverString = MyMetaDrivers.ISeries;
this.StripTrailingNulls = false;
this.requiredDatabaseName = false;
ClassFactory = new MyMeta.ISeries.ClassFactory();
break;
case dbDriver.Pervasive:
ConnectUsingOleDb(_driver, _connectionString);
this._driverString = MyMetaDrivers.Pervasive;
this.StripTrailingNulls = false;
this.requiredDatabaseName = false;
ClassFactory = new MyMeta.Pervasive.ClassFactory();
break;
case dbDriver.PostgreSQL:
using (NpgsqlConnection cn = new Npgsql.NpgsqlConnection(_connectionString))
{
cn.Open();
this._defaultDatabase = cn.Database;
}
this._driverString = MyMetaDrivers.PostgreSQL;
this.StripTrailingNulls = false;
this.requiredDatabaseName = false;
ClassFactory = new MyMeta.PostgreSQL.ClassFactory();
break;
case dbDriver.PostgreSQL8:
using (NpgsqlConnection cn8 = new Npgsql.NpgsqlConnection(_connectionString))
{
cn8.Open();
this._defaultDatabase = cn8.Database;
}
this._driverString = MyMetaDrivers.PostgreSQL8;
this.StripTrailingNulls = false;
this.requiredDatabaseName = false;
ClassFactory = new MyMeta.PostgreSQL8.ClassFactory();
break;
case dbDriver.Firebird:
using (FbConnection cn1 = new FirebirdSql.Data.FirebirdClient.FbConnection(_connectionString))
{
cn1.Open();
dbName = cn1.Database;
}
try
{
index = dbName.LastIndexOfAny(new char[] { '\\' });
if (index >= 0)
{
this._defaultDatabase = dbName.Substring(index + 1);
}
}
catch { }
this._driverString = MyMetaDrivers.Firebird;
this.StripTrailingNulls = false;
this.requiredDatabaseName = false;
ClassFactory = new MyMeta.Firebird.ClassFactory();
break;
case dbDriver.Interbase:
using (FbConnection cn2 = new FirebirdSql.Data.FirebirdClient.FbConnection(_connectionString))
{
cn2.Open();
this._defaultDatabase = cn2.Database;
}
this._driverString = MyMetaDrivers.Interbase;
this.StripTrailingNulls = false;
this.requiredDatabaseName = false;
ClassFactory = new MyMeta.Firebird.ClassFactory();
break;
case dbDriver.SQLite:
using (SQLiteConnection sqliteConn = new SQLiteConnection(_connectionString))
{
sqliteConn.Open();
dbName = sqliteConn.Database;
if (!string.IsNullOrEmpty(dbName)) this._defaultDatabase = dbName;
}
this._driverString = MyMetaDrivers.SQLite;
this.StripTrailingNulls = false;
this.requiredDatabaseName = false;
ClassFactory = new MyMeta.SQLite.ClassFactory();
break;
#if !IGNORE_VISTA
case dbDriver.VistaDB:
try
{
MyMeta.VistaDB.MetaHelper mh = new MyMeta.VistaDB.MetaHelper();
dbName = mh.LoadDatabases(_connectionString);
if (dbName == "") return false;
this._defaultDatabase = dbName;
this._driverString = MyMetaDrivers.VistaDB;
this.StripTrailingNulls = false;
this.requiredDatabaseName = false;
ClassFactory = new MyMeta.VistaDB.ClassFactory();
}
catch
{
throw new Exception("Invalid VistaDB connection or VistaDB not installed");
}
break;
#endif
case dbDriver.Advantage:
ConnectUsingOleDb(_driver, _connectionString);
this._driverString = MyMetaDrivers.Advantage;
this.StripTrailingNulls = false;
this.requiredDatabaseName = false;
ClassFactory = new MyMeta.Advantage.ClassFactory();
string[] s = this._defaultDatabase.Split('.');
this._defaultDatabase = s[0];
break;
case dbDriver.Plugin:
IMyMetaPlugin plugin;
using (IDbConnection connection = this.GetConnectionFromPlugin(pluginName, _connectionString, out plugin))
{
if (connection != null)
connection.Open();
dbName = connection.Database;
if (!string.IsNullOrEmpty(plugin.DefaultDatabase) || string.IsNullOrEmpty(dbName)) dbName = plugin.DefaultDatabase;
if (!string.IsNullOrEmpty(dbName)) this._defaultDatabase = dbName;
}
this._driverString = pluginName;
//this.StripTrailingNulls = plugin.StripTrailingNulls;
//this.requiredDatabaseName = plugin.RequiredDatabaseName;
ClassFactory = new MyMeta.Plugin.ClassFactory(plugin);
break;
case dbDriver.None:
this._driverString = MyMetaDrivers.None;
break;
}
}
catch (OleDbException ex)
{
this._lastConnectionException = ex;
foreach (OleDbError error in ex.Errors)
{
if (this._lastConnectionError != string.Empty) this._lastConnectionError += Environment.NewLine;
this._lastConnectionError += ex;
}
}
catch (Exception ex)
{
this._lastConnectionException = ex;
this._lastConnectionError = ex.Message;
}
_isConnected = true;
return true;
}
public IDbConnection BuildConnection(string driver, string connectionString)
{
IDbConnection conn = null;
switch(driver.ToUpper())
{
case MyMetaDrivers.MySql2:
conn = new MySqlConnection(connectionString);
break;
case MyMetaDrivers.PostgreSQL:
case MyMetaDrivers.PostgreSQL8:
conn = new Npgsql.NpgsqlConnection(connectionString);
break;
case MyMetaDrivers.Firebird:
case MyMetaDrivers.Interbase:
conn = new FirebirdSql.Data.FirebirdClient.FbConnection(connectionString);
break;
case MyMetaDrivers.SQLite:
conn = new SQLiteConnection(connectionString);
break;
#if !IGNORE_VISTA
case MyMetaDrivers.VistaDB:
try
{
MyMeta.VistaDB.MetaHelper mh = new MyMeta.VistaDB.MetaHelper();
conn = mh.GetConnection(connectionString);
}
catch
{
throw new Exception("Invalid VistaDB connection or VistaDB not installed");
}
break;
#endif
default:
if (Plugins.ContainsKey(driver))
{
conn = this.GetConnectionFromPlugin(driver, connectionString);
}
else
{
conn = new OleDbConnection(connectionString);
}
break;
}
return conn;
}
