//
// System.Runtime.Remoting.Messaging.MethodReturnMessageWrapper.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;
using System.Runtime.Serialization;
namespace System.Runtime.Remoting.Messaging{
[System.Runtime.InteropServices.ComVisible (true)]
public class MethodReturnMessageWrapper : InternalMessageWrapper, IMethodReturnMessage, IMethodMessage, IMessage
{
object[] _args;
ArgInfo _outArgInfo;
DictionaryWrapper _properties;
Exception _exception;
object _return;
public MethodReturnMessageWrapper (IMethodReturnMessage msg)
: base (msg)
{
if (msg.Exception != null) {
_exception = msg.Exception;
_args = new object[0];
} else {
_args = msg.Args;
_return = msg.ReturnValue;
if (msg.MethodBase != null)
_outArgInfo = new ArgInfo (msg.MethodBase, ArgInfoType.Out);
}
}
public virtual int ArgCount {
get { return _args.Length; }
}
public virtual object [] Args
{
get { return _args; }
set { _args = value; }
}
public virtual Exception Exception {
get { return _exception; }
set { _exception = value; }
}
public virtual bool HasVarArgs {
get { return ((IMethodReturnMessage)WrappedMessage).HasVarArgs; }
}
public virtual LogicalCallContext LogicalCallContext {
get { return ((IMethodReturnMessage)WrappedMessage).LogicalCallContext; }
}
public virtual MethodBase MethodBase {
get { return ((IMethodReturnMessage)WrappedMessage).MethodBase; }
}
public virtual string MethodName {
get { return ((IMethodReturnMessage)WrappedMessage).MethodName; }
}
public virtual object MethodSignature {
get { return ((IMethodReturnMessage)WrappedMessage).MethodSignature; }
}
public virtual int OutArgCount {
get { return _outArgInfo != null ? _outArgInfo.GetInOutArgCount() : 0; }
}
public virtual object[] OutArgs {
get { return _outArgInfo != null ? _outArgInfo.GetInOutArgs (_args) : _args; }
}
public virtual IDictionary Properties
{
get {
if (_properties == null) _properties = new DictionaryWrapper(this, WrappedMessage.Properties);
return _properties;
}
}
public virtual object ReturnValue {
get { return _return; }
set { _return = value; }
}
public virtual string TypeName {
get { return ((IMethodReturnMessage)WrappedMessage).TypeName; }
}
public string Uri
{
get { return ((IMethodReturnMessage)WrappedMessage).Uri; }
set { Properties["__Uri"] = value; }
}
public virtual object GetArg (int argNum)
{
return _args[argNum];
}
public virtual string GetArgName (int index)
{
return ((IMethodReturnMessage)WrappedMessage).GetArgName(index);
}
public virtual object GetOutArg (int argNum)
{
return _args [_outArgInfo.GetInOutArgIndex (argNum)];
}
public virtual string GetOutArgName (int index)
{
return _outArgInfo.GetInOutArgName(index);
}
class DictionaryWrapper : MethodReturnDictionary
{
IDictionary _wrappedDictionary;
static string[] _keys = new string[] {"__Args", "__Return"};
public DictionaryWrapper(IMethodReturnMessage 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") ((MethodReturnMessageWrapper)_message)._args = (object[])value;
else if (key == "__Return") ((MethodReturnMessageWrapper)_message)._return = value;
else base.SetMethodProperty (key, value);
}
protected override object GetMethodProperty (string key)
{
if (key == "__Args") return ((MethodReturnMessageWrapper)_message)._args;
else if (key == "__Return") return ((MethodReturnMessageWrapper)_message)._return;
else return base.GetMethodProperty (key);
}
}
}
}
|