{\r
private static ProviderCollection providers;\r
\r
- static ProviderFactory()\r
+ static ProviderFactory ()\r
{\r
- providers=(ProviderCollection) ConfigurationSettings.GetConfig("mono.data/providers");\r
- if (providers==null)\r
- providers=new ProviderCollection();\r
+ providers = (ProviderCollection) ConfigurationSettings.GetConfig ("mono.data/providers");\r
+ if (providers == null) {\r
+ providers = new ProviderCollection ();\r
+ // warn the developer or administrator that the provider list is empty\r
+ System.Diagnostics.Debug.Listeners.Add (new System.Diagnostics.TextWriterTraceListener (Console.Out));\r
+ System.Diagnostics.Debug.WriteLine ("No providers found. Did you set up a mono.data/providers area in your app.config or in machine.config?");\r
+ }\r
+\r
}\r
\r
static public ProviderCollection Providers\r
{\r
- get\r
- {\r
+ get {\r
return providers;\r
}\r
}\r
\r
- static public IDbConnection CreateConnectionFromConfig(string Setting)\r
+ static public IDbConnection CreateConnectionFromConfig (string Setting)\r
{\r
- return CreateConnection(ConfigurationSettings.AppSettings[Setting]);\r
+ if (Setting == null) \r
+ throw new System.ArgumentNullException ("Setting");\r
+\r
+ return CreateConnection (ConfigurationSettings.AppSettings [Setting]);\r
}\r
\r
static public IDbConnection CreateConnection(string ConnectionString)\r
{\r
- string[] ConnectionAttributes=ConnectionString.Split(new Char[1] { ';' }); \r
- string ProviderName=null;\r
- string NewConnectionString="";\r
- foreach (string s in ConnectionAttributes)\r
- {\r
- string[] AttributeParts=s.Split(new Char[1] { '=' });\r
- if (AttributeParts[0].ToLower().Trim()=="factory")\r
- ProviderName=AttributeParts[1].Trim();\r
+ if (ConnectionString == null) \r
+ throw new System.ArgumentNullException ("ConnectionString");\r
+\r
+ string [] ConnectionAttributes = ConnectionString.Split (new Char [1] { ';' }); \r
+ string ProviderName = null;\r
+ string NewConnectionString = "";\r
+ foreach (string s in ConnectionAttributes) {\r
+ string [] AttributeParts = s.Split (new Char [1] { '=' });\r
+ if (AttributeParts [0].ToLower ().Trim () == "factory")\r
+ ProviderName = AttributeParts [1].Trim ();\r
else \r
- NewConnectionString+=";"+s;\r
+ NewConnectionString += ";" + s;\r
}\r
- NewConnectionString=NewConnectionString.Remove(0,1);\r
- return CreateConnection(ProviderName, NewConnectionString);\r
+ NewConnectionString = NewConnectionString.Remove (0, 1); // remove the initial semicolon\r
+ if (ProviderName == null) \r
+ throw new System.ArgumentException ("The connection string must contain a 'factory=Provider.Class' token", "ConnectionString");\r
+ return CreateConnection (ProviderName, NewConnectionString);\r
}\r
\r
static public IDbConnection CreateConnection(string ProviderName, string ConnectionString)\r
{\r
- Provider provider=providers[ProviderName];\r
- IDbConnection conn=provider.CreateConnection();\r
- conn.ConnectionString=ConnectionString;\r
+ if (ProviderName == null) \r
+ throw new System.ArgumentNullException("ProviderName");\r
+ if (ConnectionString == null) \r
+ throw new System.ArgumentNullException ("ConnectionString");\r
+\r
+ Provider provider = providers [ProviderName];\r
+ IDbConnection conn = provider.CreateConnection ();\r
+ conn.ConnectionString = ConnectionString;\r
return conn;\r
}\r
\r
- static public IDbCommand CreateStoredProc(IDbConnection Conn, string CommandName)\r
+ static public IDbCommand CreateStoredProc (IDbConnection Conn, string CommandName)\r
{\r
- IDbCommand cmd=Conn.CreateCommand();\r
- cmd.CommandText=CommandName;\r
- cmd.CommandType=CommandType.StoredProcedure;\r
+ if (Conn == null) \r
+ throw new System.ArgumentNullException ("Conn");\r
+ if (CommandName == null) \r
+ throw new System.ArgumentNullException ("CommandName");\r
+\r
+ IDbCommand cmd = Conn.CreateCommand ();\r
+ cmd.CommandText = CommandName;\r
+ cmd.CommandType = CommandType.StoredProcedure;\r
return cmd;\r
}\r
\r
- static public IDbDataAdapter CreateDataAdapter(IDbCommand SelectCommand)\r
+ static public IDbDataAdapter CreateDataAdapter (IDbCommand SelectCommand)\r
{\r
- Provider provider=providers.FindByCommandType(SelectCommand.GetType());\r
- IDbDataAdapter adapter=provider.CreateDataAdapter();\r
- adapter.SelectCommand=SelectCommand;\r
+ if (SelectCommand == null) \r
+ throw new System.ArgumentNullException("SelectCommand");\r
+\r
+ Provider provider = providers.FindByCommandType (SelectCommand.GetType ());\r
+ IDbDataAdapter adapter = provider.CreateDataAdapter ();\r
+ adapter.SelectCommand = SelectCommand;\r
return adapter;\r
}\r
\r
- static public IDbDataAdapter CreateDataAdapter(string ProviderName)\r
+ static public IDbDataAdapter CreateDataAdapter (string ProviderName)\r
{\r
- Provider provider=providers[ProviderName];\r
- IDbDataAdapter adapter=provider.CreateDataAdapter();\r
+ if (ProviderName == null) \r
+ throw new System.ArgumentNullException("ProviderName");\r
+\r
+ Provider provider = providers [ProviderName];\r
+ IDbDataAdapter adapter = provider.CreateDataAdapter ();\r
return adapter;\r
}\r
\r
- static public IDbDataAdapter CreateDataAdapter(IDbConnection Conn, string SelectCommand)\r
+ static public IDbDataAdapter CreateDataAdapter (IDbConnection Conn, string SelectCommand)\r
{\r
- IDbCommand cmd=Conn.CreateCommand();\r
- cmd.CommandText=SelectCommand;\r
- return CreateDataAdapter(cmd);\r
+ if (Conn == null) \r
+ throw new System.ArgumentNullException ("Conn");\r
+ if (SelectCommand == null) \r
+ throw new System.ArgumentNullException("SelectCommand");\r
+\r
+ IDbCommand cmd = Conn.CreateCommand ();\r
+ cmd.CommandText = SelectCommand;\r
+ return CreateDataAdapter (cmd);\r
}\r
\r
- static public IDbCommand CreateCommand(string ProviderName)\r
+ static public IDbCommand CreateCommand (string ProviderName)\r
{\r
- Provider provider=providers[ProviderName];\r
- return provider.CreateCommand();\r
+ if (ProviderName == null) \r
+ throw new System.ArgumentNullException("ProviderName");\r
+\r
+ Provider provider = providers [ProviderName];\r
+ return provider.CreateCommand ();\r
}\r
\r
- static public IDbCommand CreateCommand(IDbConnection Conn)\r
+ static public IDbCommand CreateCommand (IDbConnection Conn)\r
{\r
- return Conn.CreateCommand();\r
+ if (Conn == null) \r
+ throw new System.ArgumentNullException("Conn");\r
+\r
+ return Conn.CreateCommand ();\r
}\r
\r
}\r
projects / mono.git / blobdiff