examples/FormatterServices.boo

   1 #region license
   2 // Copyright (c) 2003, 2004, Rodrigo B. de Oliveira (rbo@acm.org)
   3 // All rights reserved.
   4 //
   5 // Redistribution and use in source and binary forms, with or without modification,
   6 // are permitted provided that the following conditions are met:
   7 //
   8 //     * Redistributions of source code must retain the above copyright notice,
   9 //     this list of conditions and the following disclaimer.
  10 //     * Redistributions in binary form must reproduce the above copyright notice,
  11 //     this list of conditions and the following disclaimer in the documentation
  12 //     and/or other materials provided with the distribution.
  13 //     * Neither the name of Rodrigo B. de Oliveira nor the names of its
  14 //     contributors may be used to endorse or promote products derived from this
  15 //     software without specific prior written permission.
  16 //
  17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  18 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  21 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  24 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  25 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27 #endregion
  28
  29
  30 import System
  31 import System.IO
  32 import System.Runtime.Serialization
  33 import System.Runtime.Serialization.Formatters.Binary
  34
  35 class Person:
  36
  37         [property(FirstName)]
  38         _fname = ""
  39
  40         [property(LastName)]
  41         _lname = ""
  42
  43 class PersonProxy(Person, ISerializable):
  44
  45         transient _caboosh = 0
  46
  47         def constructor():
  48                 pass
  49
  50         def constructor(info as SerializationInfo, context as StreamingContext):
  51                 data = info.GetValue("Person.Data", typeof((object)))
  52                 FormatterServices.PopulateObjectMembers(self, GetSerializableMembers(), data)
  53
  54         def GetObjectData(info as SerializationInfo, context as StreamingContext):
  55                 members = GetSerializableMembers()
  56                 info.AddValue("Person.Data", FormatterServices.GetObjectData(self, members))
  57
  58         def GetSerializableMembers():
  59                 return FormatterServices.GetSerializableMembers(Person)
  60
  61
  62 def serialize(o):
  63         stream = MemoryStream()
  64         BinaryFormatter().Serialize(stream, o)
  65         return stream.GetBuffer()
  66
  67 def deserialize(buffer as (byte)):
  68         return BinaryFormatter().Deserialize(MemoryStream(buffer))
  69
  70 p = PersonProxy(FirstName: "John", LastName: "Cleese")
  71 p = deserialize(serialize(p))
  72
  73 assert "John" == p.FirstName
  74 assert "Cleese" == p.LastName
  75
  76
  77