SoapExtensionStream.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Services / Web / System / Web / Services / Protocols / SoapExtensionStream.cs / 1305376 / SoapExtensionStream.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.Services.Protocols { 
 	using System; 
	using System.IO;
	using System.Web.Services; 

    internal class SoapExtensionStream : Stream {
        internal Stream innerStream;
        bool hasWritten = false; 
        bool streamReady;
 
        internal SoapExtensionStream() { 
        }
 
        private bool EnsureStreamReady() {
            if (streamReady) return true;
            throw new InvalidOperationException(Res.GetString(Res.WebBadStreamState));
        } 

        public override bool CanRead { 
            get { 
                EnsureStreamReady();
                return innerStream.CanRead; 
            }
        }

        public override bool CanSeek { 
            get {
                EnsureStreamReady(); 
                return innerStream.CanSeek; 
            }
        } 

        public override bool CanWrite {
            get {
                EnsureStreamReady(); 
                return innerStream.CanWrite;
            } 
        } 

        internal bool HasWritten 
        {
            get { return this.hasWritten; }
        }
 
        public override long Length
        { 
            get { 
                EnsureStreamReady();
                return innerStream.Length; 
            }
        }

        public override long Position { 
            get {
                EnsureStreamReady(); 
                return innerStream.Position; 
            }
            set { 
                EnsureStreamReady();
                this.hasWritten = true;
                innerStream.Position = value;
            } 
        }
 
        protected override void Dispose(bool disposing) { 
            try {
                if (disposing) { 
                    EnsureStreamReady();
                    this.hasWritten = true;
                    innerStream.Close();
                } 
            }
            finally { 
                base.Dispose(disposing); 
            }
        } 

        public override void Flush() {
            EnsureStreamReady();
            this.hasWritten = true; 
            innerStream.Flush();
        } 
 
        public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, Object state) {
            EnsureStreamReady(); 
            return innerStream.BeginRead(buffer, offset, count, callback, state);
        }

        public override int EndRead(IAsyncResult asyncResult) { 
            EnsureStreamReady();
            return innerStream.EndRead(asyncResult); 
        } 

        public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, Object state) { 
            EnsureStreamReady();
            this.hasWritten = true;
            return innerStream.BeginWrite(buffer, offset, count, callback, state);
        } 

        public override void EndWrite(IAsyncResult asyncResult) { 
            EnsureStreamReady(); 
            this.hasWritten = true;
            innerStream.EndWrite(asyncResult); 
        }

        public override long Seek(long offset, SeekOrigin origin) {
            EnsureStreamReady(); 
            return innerStream.Seek(offset, origin);
        } 
 
        public override void SetLength(long value) {
            EnsureStreamReady(); 
            innerStream.SetLength(value);
        }

        public override int Read(byte[] buffer, int offset, int count) { 
            EnsureStreamReady();
            return innerStream.Read(buffer, offset, count); 
        } 

        public override int ReadByte() { 
            EnsureStreamReady();
            return innerStream.ReadByte();
        }
 
        public override void Write(byte[] buffer, int offset, int count) {
            EnsureStreamReady(); 
            this.hasWritten = true; 
            innerStream.Write(buffer, offset, count);
        } 

        public override void WriteByte(byte value) {
            EnsureStreamReady();
            this.hasWritten = true; 
            innerStream.WriteByte(value);
        } 
 
        internal void SetInnerStream(Stream stream) {
            innerStream = stream; 
            this.hasWritten = false;
        }

        internal void SetStreamReady() { 
            streamReady = true;
        } 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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SoapExtensionStream.cs source code in C# .NET

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