mcs/class/System.Web/System.Web.Util/AltSerialization.cs

   1 //
   2 // System.Web.Util.AltSerialization
   3 //
   4 // Author(s):
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //      Jackson Harper (jackson@ximian.com)
   7 //
   8 // (C) 2003 Novell, Inc (http://www.novell.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.IO;
  34 using System.Collections;
  35 using System.Runtime.Serialization.Formatters.Binary;
  36
  37 namespace System.Web.Util {
  38
  39         internal sealed class AltSerialization
  40         {
  41                 AltSerialization () { }
  42
  43                 internal static void Serialize (BinaryWriter w, object value)
  44                 {
  45                         TypeCode typeCode = value != null ? Type.GetTypeCode (value.GetType ()) : TypeCode.Empty;
  46                         w.Write ((byte)typeCode);
  47
  48                         switch (typeCode) {
  49                         case TypeCode.Boolean:
  50                                 w.Write ((bool) value);
  51                                 break;
  52                         case TypeCode.Byte:
  53                                 w.Write ((byte) value);
  54                                 break;
  55                         case TypeCode.Char:
  56                                 w.Write ((char) value);
  57                                 break;
  58                         case TypeCode.DateTime:
  59                                 w.Write (((DateTime) value).Ticks);
  60                                 break;
  61                         case TypeCode.DBNull:
  62                                 break;
  63                         case TypeCode.Decimal:
  64                                 w.Write ((decimal) value);
  65                                 break;
  66                         case TypeCode.Double:
  67                                 w.Write ((double) value);
  68                                 break;
  69                         case TypeCode.Empty:
  70                                 break;
  71                         case TypeCode.Int16:
  72                                 w.Write ((short) value);
  73                                 break;
  74                         case TypeCode.Int32:
  75                                 w.Write ((int) value);
  76                                 break;
  77                         case TypeCode.Int64:
  78                                 w.Write ((long) value);
  79                                 break;
  80                         case TypeCode.Object:
  81 #if TARGET_J2EE
  82                                 if (w.BaseStream is java.io.ObjectOutput) {
  83                                         ((java.io.ObjectOutput) w.BaseStream).writeObject (value);
  84                                         return;
  85                                 }
  86 #endif
  87                                 BinaryFormatter bf = new BinaryFormatter ();
  88                                 bf.Serialize (w.BaseStream, value);
  89                                 break;
  90                         case TypeCode.SByte:
  91                                 w.Write ((sbyte) value);
  92                                 break;
  93                         case TypeCode.Single:
  94                                 w.Write ((float) value);
  95                                 break;
  96                         case TypeCode.String:
  97                                 w.Write ((string) value);
  98                                 break;
  99                         case TypeCode.UInt16:
 100                                 w.Write ((ushort) value);
 101                                 break;
 102                         case TypeCode.UInt32:
 103                                 w.Write ((uint) value);
 104                                 break;
 105                         case TypeCode.UInt64:
 106                                 w.Write ((ulong) value);
 107                                 break;
 108
 109                         }
 110                 }
 111
 112                 internal static object Deserialize (BinaryReader r)
 113                 {
 114                         TypeCode typeCode = (TypeCode)r.ReadByte();
 115                         switch (typeCode) {
 116                         case TypeCode.Boolean:
 117                                 return r.ReadBoolean ();
 118                         case TypeCode.Byte:
 119                                 return r.ReadByte ();
 120                         case TypeCode.Char:
 121                                 return r.ReadChar ();
 122                         case TypeCode.DateTime:
 123                                 return new DateTime (r.ReadInt64 ());
 124                         case TypeCode.DBNull:
 125                                 return DBNull.Value;
 126                         case TypeCode.Decimal:
 127                                 return r.ReadDecimal ();
 128                         case TypeCode.Double:
 129                                 return r.ReadDouble ();
 130                         case TypeCode.Empty:
 131                                 return null;
 132                         case TypeCode.Int16:
 133                                 return r.ReadInt16 ();
 134                         case TypeCode.Int32:
 135                                 return r.ReadInt32 ();
 136                         case TypeCode.Int64:
 137                                 return r.ReadInt64 ();
 138                         case TypeCode.Object:
 139 #if TARGET_J2EE
 140                                 if (r.BaseStream is java.io.ObjectInput)
 141                                         return ((java.io.ObjectInput) r.BaseStream).readObject ();
 142 #endif
 143                                 BinaryFormatter bf = new BinaryFormatter ();
 144                                 return bf.Deserialize (r.BaseStream);
 145                         case TypeCode.SByte:
 146                                 return r.ReadSByte ();
 147                         case TypeCode.Single:
 148                                 return r.ReadSingle ();
 149                         case TypeCode.String:
 150                                 return r.ReadString ();
 151                         case TypeCode.UInt16:
 152                                 return r.ReadUInt16 ();
 153                         case TypeCode.UInt32:
 154                                 return r.ReadUInt32 ();
 155                         case TypeCode.UInt64:
 156                                 return r.ReadUInt64 ();
 157                         default:
 158                                 throw new ArgumentOutOfRangeException ("TypeCode:" + typeCode);
 159                         }
 160                 }
 161         }
 162 }
 163