mcs/class/System.Data/System.Data.SqlClient.jvm/SqlCommand.cs

   1 //\r
   2 // System.Data.SqlClient.SqlCommand\r
   3 //
   4 // Authors:
   5 //      Konstantin Triger <kostat@mainsoft.com>
   6 //      Boris Kirzner <borisk@mainsoft.com>
   7 //
   8 // (C) 2005 Mainsoft Corporation (http://www.mainsoft.com)
   9 //
  10
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System;
  33 using System.Collections;
  34 using System.Text;
  35 using System.Text.RegularExpressions;
  36 using System.Data;
  37 using System.Data.Common;
  38 using System.Data.ProviderBase;
  39 using System.Xml;
  40
  41 using java.sql;
  42
  43 namespace System.Data.SqlClient
  44 {
  45         public class SqlCommand : AbstractDbCommand
  46         {
  47                 #region Fields
  48
  49                 #endregion // Fields
  50
  51                 #region Constructors
  52
  53                 // Initializes a new instance of the SqlCommand class.
  54                 // The base constructor initializes all fields to their default values.
  55                 // The following table shows initial property values for an instance of SqlCommand.
  56                 public SqlCommand() : this(null, null, null)
  57                 {
  58                 }
  59
  60                 public SqlCommand(SqlConnection connection) : this(null, connection, null)
  61                 {
  62                 }
  63
  64                 // Initializes a new instance of the SqlCommand class with the text of the query.
  65                 public SqlCommand(String cmdText) : this(cmdText, null, null)
  66                 {
  67                 }
  68
  69                 // Initializes a new instance of the SqlCommand class with the text of the query and a SqlConnection.
  70                 public SqlCommand(String cmdText, SqlConnection connection) : this(cmdText, connection, null)
  71                 {
  72                 }
  73
  74                 // Initializes a new instance of the SqlCommand class with the text of the query, a SqlConnection, and the Transaction.
  75                 public SqlCommand(
  76                         String cmdText,
  77                         SqlConnection connection,
  78                         SqlTransaction transaction)
  79                         : base(cmdText, connection, transaction)
  80                 {
  81                 }
  82
  83                 #endregion // Constructors
  84
  85                 #region Properties
  86
  87                 public override string CommandText {
  88                         get {
  89                                 string commandText = base.CommandText;
  90                                 if (CommandType != CommandType.StoredProcedure || string.IsNullOrEmpty (commandText))
  91                                         return commandText;
  92
  93                                 string trimmedCommandText = commandText.TrimEnd ();
  94                                 if (commandText [0] != '[' && trimmedCommandText.Length > 0 && trimmedCommandText [trimmedCommandText.Length - 1] != ')')
  95                                         commandText = String.Concat ("[", commandText, "]");
  96
  97                                 return commandText;
  98                         }
  99                         set {
 100                                 base.CommandText = value;
 101                         }
 102                 }
 103
 104                 public new SqlConnection Connection\r
 105                 {\r
 106                         get { return (SqlConnection)base.Connection; }\r
 107                         set { base.Connection = value; }\r
 108                 }
 109
 110                 public new SqlParameterCollection Parameters\r
 111                 {\r
 112                         get { \r
 113                                 return (SqlParameterCollection)base.Parameters; \r
 114                         }\r
 115                 }
 116
 117                 public new SqlTransaction Transaction\r
 118                 {\r
 119                         get { return (SqlTransaction)base.Transaction; }\r
 120                         set { base.Transaction = value; }\r
 121                 }
 122
 123 #if USE_DOTNET_REGEX\r
 124                 protected override Regex StoredProcedureRegExp\r
 125 #else\r
 126                 protected override java.util.regex.Pattern StoredProcedureRegExp {\r
 127 #endif\r
 128                         get { return SqlStatementsHelper.NamedParameterStoredProcedureRegExp; }\r
 129                 }\r
 130 \r
 131                 protected override SimpleRegex ParameterRegExp\r
 132                 {\r
 133                         get { return SqlStatementsHelper.NamedParameterRegExp; }\r
 134                 }
 135
 136                 #endregion // Properties
 137
 138                 #region Methods
 139
 140                 public XmlReader ExecuteXmlReader() {
 141                         return SqlXmlTextReader.Create(ExecuteReader(CommandBehavior.SequentialAccess));
 142                 }
 143
 144                 public new SqlDataReader ExecuteReader()\r
 145                 {\r
 146                         return (SqlDataReader)ExecuteReader(CommandBehavior.Default);\r
 147                 }
 148
 149                 public new SqlDataReader ExecuteReader(CommandBehavior behavior)\r
 150                 {\r
 151                         return (SqlDataReader)base.ExecuteReader(behavior);\r
 152                 }
 153 \r
 154                 public new SqlParameter CreateParameter()\r
 155                 {\r
 156                         return (SqlParameter)CreateParameterInternal();\r
 157                 }\r
 158 \r
 159                 protected sealed override void CheckParameters()\r
 160                 {\r
 161                         // do nothing\r
 162                 }\r
 163 \r
 164                 protected override AbstractDbParameter GetUserParameter(string parameterName, IList userParametersList, int userParametersListPosition/*,int userParametersListStart,int userParameterListCount*/)\r
 165                 {\r
 166 //                      Match match = SqlStatementsHelper.NamedParameterRegExp.Match(parameterName);
 167 //                      parameterName = match.Result("${USERPARAM}");\r
 168 //                      if (parameterName.Length == 0)\r
 169 //                              return null;\r
 170 \r
 171                         for(int i=0; i < userParametersList.Count; i++) {\r
 172                                 AbstractDbParameter userParameter = (AbstractDbParameter)userParametersList[i];\r
 173                                 if (String.Compare(parameterName, userParameter.Placeholder.Trim(), true, System.Globalization.CultureInfo.InvariantCulture) == 0) {\r
 174                                         return userParameter;\r
 175                                 }\r
 176                         }\r
 177 \r
 178                         return null;\r
 179                 }\r
 180 \r
 181                 protected override AbstractDbParameter GetReturnParameter (IList userParametersList)\r
 182                 {\r
 183                         for(int i=0; i < userParametersList.Count; i++) {\r
 184                                 AbstractDbParameter userParameter = (AbstractDbParameter)userParametersList[i];\r
 185                                 if (userParameter.Direction == ParameterDirection.ReturnValue) {\r
 186                                         return userParameter;\r
 187                                 }\r
 188                         }\r
 189 \r
 190                         return null; \r
 191                 }\r
 192 \r
 193                 protected sealed override DbParameter CreateParameterInternal()\r
 194                 {\r
 195                         return new SqlParameter();\r
 196                 }\r
 197 \r
 198                 protected sealed override DbDataReader CreateReader()\r
 199                 {\r
 200                         return new SqlDataReader(this);\r
 201                 }\r
 202 \r
 203                 protected sealed override DbParameterCollection CreateParameterCollection(AbstractDbCommand parent)\r
 204                 {\r
 205                         return new SqlParameterCollection((SqlCommand)parent);\r
 206                 }\r
 207 \r
 208                 protected internal sealed override SystemException CreateException(SQLException e)
 209                 {\r
 210                         return new SqlException(e, Connection);         \r
 211                 }
 212
 213                 #endregion // Methods\r
 214         }
 215 }