예제 #1
0
        /// <summary>
        /// Sets up this DeflateManagedStream to be used for Deflation/Compression
        /// </summary>
        internal void InitializeDeflater(Stream stream, bool leaveOpen, CompressionLevel compressionLevel)
        {
            Debug.Assert(stream != null);
            if (!stream.CanWrite)
            {
                throw new ArgumentException(SR.NotSupported_UnwritableStream, nameof(stream));
            }

            _deflater = new DeflaterManaged();

            _stream    = stream;
            _mode      = CompressionMode.Compress;
            _leaveOpen = leaveOpen;
            _buffer    = new byte[DefaultBufferSize];
        }
예제 #2
0
        protected override void Dispose(bool disposing)
        {
            try
            {
                PurgeBuffers(disposing);
            }
            finally
            {
                // Close the underlying stream even if PurgeBuffers threw.
                // Stream.Close() may throw here (may or may not be due to the same error).
                // In this case, we still need to clean up internal resources, hence the inner finally blocks.
                try
                {
                    if (disposing && !_leaveOpen && _stream != null)
                    {
                        _stream.Dispose();
                    }
                }
                finally
                {
                    _stream = null;

                    try
                    {
                        if (_deflater != null)
                        {
                            _deflater.Dispose();
                        }
                        if (_inflater != null)
                        {
                            _inflater.Dispose();
                        }
                    }
                    finally
                    {
                        _deflater = null;
                        _inflater = null;
                        base.Dispose(disposing);
                    }
                }
            }
        }
예제 #3
0
        protected override void Dispose(bool disposing)
        {
            try
            {
                PurgeBuffers(disposing);
            }
            finally
            {
                // Close the underlying stream even if PurgeBuffers threw.
                // Stream.Close() may throw here (may or may not be due to the same error).
                // In this case, we still need to clean up internal resources, hence the inner finally blocks.
                try
                {
                    if (disposing && !_leaveOpen && _stream != null)
                        _stream.Dispose();
                }
                finally
                {
                    _stream = null;

                    try
                    {
                        if (_deflater != null)
                            _deflater.Dispose();
                        if (_inflater != null)
                            _inflater.Dispose();
                    }
                    finally
                    {
                        _deflater = null;
                        _inflater = null;
                        base.Dispose(disposing);
                    }
                }
            }
        }
예제 #4
0
        /// <summary>
        /// Sets up this DeflateManagedStream to be used for Deflation/Compression
        /// </summary>
        internal void InitializeDeflater(Stream stream, bool leaveOpen, CompressionLevel compressionLevel)
        {
            Debug.Assert(stream != null);
            if (!stream.CanWrite)
                throw new ArgumentException(SR.NotSupported_UnwritableStream, nameof(stream));

            _deflater = new DeflaterManaged();

            _stream = stream;
            _mode = CompressionMode.Compress;
            _leaveOpen = leaveOpen;
            _buffer = new byte[DefaultBufferSize];
        }