BinaryCore.cs :  » 2.6.4-mono-.net-core » System.Runtime » System » Runtime » Remoting » Channels » C# / CSharp Open Source

//
// System.Runtime.Remoting.Channels.BinaryCore.cs
//
// Author: Lluis Sanchez Gual (lluis@ximian.com)
//
// 2003 (C) Copyright, Novell, Inc.
//

//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System.Collections;
using System.Runtime.Remoting.Messaging;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters;
using System.Runtime.Serialization.Formatters.Binary;

namespace System.Runtime.Remoting.Channels{
  internal class BinaryCore
  {
    BinaryFormatter _serializationFormatter;
    BinaryFormatter _deserializationFormatter;
    bool _includeVersions = true;
    bool _strictBinding = false;
    IDictionary _properties;
    
#if NET_1_1
    TypeFilterLevel _filterLevel = TypeFilterLevel.Low;
#endif
    
    public static BinaryCore DefaultInstance = new BinaryCore ();
    
    public BinaryCore (object owner, IDictionary properties, string[] allowedProperties)
    {
      _properties = properties;
      
      if (_properties == null)
      {
        _properties = new Hashtable(10);
      }
      
      foreach(DictionaryEntry property in properties)
      {
        string key = (string) property.Key;
        if (Array.IndexOf (allowedProperties, key) == -1)
          throw new RemotingException (owner.GetType().Name + " does not recognize '" + key + "' configuration property");
        
        switch (key)
        {
          case "includeVersions": 
            _includeVersions = Convert.ToBoolean (property.Value);
            break;
            
          case "strictBinding":
            _strictBinding = Convert.ToBoolean (property.Value);
            break;
            
#if NET_1_1
          case "typeFilterLevel":
            if (property.Value is TypeFilterLevel)
              _filterLevel = (TypeFilterLevel) property.Value;
            else {
              string s = (string) property.Value;
              _filterLevel = (TypeFilterLevel) Enum.Parse (typeof(TypeFilterLevel), s);
            }
            break;
#endif
            
        }
      }
      
      Init ();
    }
    
    public BinaryCore ()
    {
      _properties = new Hashtable ();
      Init ();
    }
    
    public void Init ()
    {
      RemotingSurrogateSelector surrogateSelector = new RemotingSurrogateSelector ();
      StreamingContext context = new StreamingContext (StreamingContextStates.Remoting, null);

#if !TARGET_JVM
      _serializationFormatter = new BinaryFormatter (surrogateSelector, context);
      _deserializationFormatter = new BinaryFormatter (null, context);
#else
      _serializationFormatter = (BinaryFormatter) vmw.@internal.remoting.BinaryFormatterUtils.CreateBinaryFormatter (surrogateSelector, context, false);
      _deserializationFormatter = (BinaryFormatter) vmw.@internal.remoting.BinaryFormatterUtils.CreateBinaryFormatter (null, context, false);
#endif
      
#if NET_1_1
      _serializationFormatter.FilterLevel = _filterLevel;
      _deserializationFormatter.FilterLevel = _filterLevel;
#endif
      
      if (!_includeVersions)
      {
        _serializationFormatter.AssemblyFormat = FormatterAssemblyStyle.Simple;
        _deserializationFormatter.AssemblyFormat = FormatterAssemblyStyle.Simple;
      }

      if (!_strictBinding)
      {
        _serializationFormatter.Binder = ChannelCore.SimpleBinder;
        _deserializationFormatter.Binder = ChannelCore.SimpleBinder;
      }
    }
    
    public BinaryFormatter Serializer
    {
      get { return _serializationFormatter; }
    }
    
    public BinaryFormatter Deserializer
    {
      get { return _deserializationFormatter; }
    }
    
    public IDictionary Properties
    {
      get { return _properties; }
    }
    
#if NET_1_1
    public TypeFilterLevel TypeFilterLevel
    {
      get { return _filterLevel; }
    }
#endif
  }
}