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

//
// System.Runtime.Remoting.Messaging.MethodCallMessageWrapper.cs
//
// Author: Duncan Mak (duncan@ximian.com)
//         Lluis Sanchez Gual (lluis@ideary.com)
//
// 2002 (C) Copyright, Ximian, Inc.
//

//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// 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;
using System.Collections;
using System.Reflection;

namespace System.Runtime.Remoting.Messaging{

  [System.Runtime.InteropServices.ComVisible (true)]
  public class MethodCallMessageWrapper : InternalMessageWrapper, IMethodCallMessage, IMethodMessage, IMessage
  {
    object[] _args;
    ArgInfo _inArgInfo;
    DictionaryWrapper _properties;

    public MethodCallMessageWrapper (IMethodCallMessage msg)
      : base (msg)
    {
      _args = ((IMethodCallMessage)WrappedMessage).Args;
      _inArgInfo = new ArgInfo (msg.MethodBase, ArgInfoType.In);
    }
    
    public virtual int ArgCount {
      get { return ((IMethodCallMessage)WrappedMessage).ArgCount; }
    }

    public virtual object [] Args {
      get { return _args; }
      set { _args = value; }
    }
    
    public virtual bool HasVarArgs {
      get { return ((IMethodCallMessage)WrappedMessage).HasVarArgs; }
    }

    public virtual int InArgCount {
      get { return _inArgInfo.GetInOutArgCount(); }
    }

    public virtual object[] InArgs {
      get { return _inArgInfo.GetInOutArgs (_args); }
    }
    
    public virtual LogicalCallContext LogicalCallContext {
      get { return ((IMethodCallMessage)WrappedMessage).LogicalCallContext; }
    }
    
    public virtual MethodBase MethodBase {
      get { return ((IMethodCallMessage)WrappedMessage).MethodBase; }
    }

    public virtual string MethodName {
      get { return ((IMethodCallMessage)WrappedMessage).MethodName; }
    }

    public virtual object MethodSignature {
      get { return ((IMethodCallMessage)WrappedMessage).MethodSignature; }
    }
    
    public virtual IDictionary Properties 
    {
      get 
      { 
        if (_properties == null) _properties = new DictionaryWrapper(this, WrappedMessage.Properties);
        return _properties; 
      }
    }

    public virtual string TypeName {
      get { return ((IMethodCallMessage)WrappedMessage).TypeName; }
    }

    public virtual string Uri {
      get { return ((IMethodCallMessage)WrappedMessage).Uri; }
      set {
        IInternalMessage im = WrappedMessage as IInternalMessage;
        if (im != null) im.Uri = value;
        else Properties["__Uri"] = value; 
      }
    }

    public virtual object GetArg (int argNum)
    {
      return _args[argNum];
    }

    public virtual string GetArgName (int index)
    {
      return ((IMethodCallMessage)WrappedMessage).GetArgName (index);
    }

    public virtual object GetInArg (int argNum)
    {
      return _args[_inArgInfo.GetInOutArgIndex (argNum)];
    }

    public virtual string GetInArgName (int index)
    {
      return _inArgInfo.GetInOutArgName(index);
    }

    class DictionaryWrapper : MethodCallDictionary
    {
      IDictionary _wrappedDictionary;
      static string[] _keys = new string[] {"__Args"};

      public DictionaryWrapper(IMethodMessage message, IDictionary wrappedDictionary) : base (message)
      {
        _wrappedDictionary = wrappedDictionary;
        MethodKeys = _keys;
      }

      protected override IDictionary AllocInternalProperties()
      {
        return _wrappedDictionary;
      }

      protected override void SetMethodProperty (string key, object value)
      {
        if (key == "__Args") ((MethodCallMessageWrapper)_message)._args = (object[])value;
        else base.SetMethodProperty (key, value);
      }

      protected override object GetMethodProperty (string key)
      {
        if (key == "__Args") return ((MethodCallMessageWrapper)_message)._args;
        else return base.GetMethodProperty (key);
      }
    }
  }
}