ActionMessageFilter.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Dispatcher / ActionMessageFilter.cs / 1 / ActionMessageFilter.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.Dispatcher
{ 
    using System;
    using System.ServiceModel.Channels; 
    using System.Collections.Generic; 
    using System.Collections.ObjectModel;
    using System.Diagnostics; 
    using System.Runtime.Serialization;

    [DataContract]
    public class ActionMessageFilter : MessageFilter 
    {
        Dictionary actions; 
        ReadOnlyCollection actionSet; 

        [DataMember(IsRequired = true)] 
        internal string[] DCActions
        {
            get
            { 
                string[] act = new string[this.actions.Count];
                actions.Keys.CopyTo(act, 0); 
                return act; 
            }
            set 
            {
                Init(value);
            }
        } 

        public ActionMessageFilter(params string[] actions) 
        { 
            if(actions == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("actions");
            }

            Init(actions); 
        }
 
        void Init(string[] actions) 
        {
            if(actions.Length == 0) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.ActionFilterEmptyList), "actions"));
            }
 
            this.actions = new Dictionary();
            for(int i = 0; i < actions.Length; ++i) 
            { 
                // Duplicates are removed
                if(!this.actions.ContainsKey(actions[i])) 
                {
                    this.actions.Add(actions[i],0);
                }
            } 
        }
 
        public ReadOnlyCollection Actions 
        {
            get 
            {
                if(this.actionSet == null)
                {
                    this.actionSet = new ReadOnlyCollection(new List(this.actions.Keys)); 
                }
                return this.actionSet; 
            } 
        }
 
        protected internal override IMessageFilterTable CreateFilterTable()
        {
            return new ActionMessageFilterTable();
        } 

        bool InnerMatch(Message message) 
        { 
            string act = message.Headers.Action;
            if(act == null) 
            {
                act = string.Empty;
            }
 
            return this.actions.ContainsKey(act);
        } 
 
        public override bool Match(Message message)
        { 
            if(message == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("message");
            } 

            return InnerMatch(message); 
        } 

        public override bool Match(MessageBuffer messageBuffer) 
        {
            if(messageBuffer == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("messageBuffer"); 
            }
 
            Message msg = messageBuffer.CreateMessage(); 
            try
            { 
                return InnerMatch(msg);
            }
            finally
            { 
                msg.Close();
            } 
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK