Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Sys / System / IO / compression / GZipStream.cs / 1 / GZipStream.cs
namespace System.IO.Compression { using System.IO; using System.Diagnostics; using System.Security.Permissions; public class GZipStream : Stream { private DeflateStream deflateStream; public GZipStream(Stream stream, CompressionMode mode) : this( stream, mode, false) { } public GZipStream(Stream stream, CompressionMode mode, bool leaveOpen) { deflateStream = new DeflateStream(stream, mode, leaveOpen, true); } public override bool CanRead { get { if( deflateStream == null) { return false; } return deflateStream.CanRead; } } public override bool CanWrite { get { if( deflateStream == null) { return false; } return deflateStream.CanWrite; } } public override bool CanSeek { get { if( deflateStream == null) { return false; } return deflateStream.CanSeek; } } public override long Length { get { throw new NotSupportedException(SR.GetString(SR.NotSupported)); } } public override long Position { get { throw new NotSupportedException(SR.GetString(SR.NotSupported)); } set { throw new NotSupportedException(SR.GetString(SR.NotSupported)); } } public override void Flush() { if( deflateStream == null) { throw new ObjectDisposedException(null, SR.GetString(SR.ObjectDisposed_StreamClosed)); } deflateStream.Flush(); return; } public override long Seek(long offset, SeekOrigin origin) { throw new NotSupportedException(SR.GetString(SR.NotSupported)); } public override void SetLength(long value) { throw new NotSupportedException(SR.GetString(SR.NotSupported)); } [HostProtection(ExternalThreading=true)] public override IAsyncResult BeginRead(byte[] array, int offset, int count, AsyncCallback asyncCallback, object asyncState) { if( deflateStream == null) { throw new InvalidOperationException(SR.GetString(SR.ObjectDisposed_StreamClosed)); } return deflateStream.BeginRead(array, offset, count, asyncCallback, asyncState); } public override int EndRead(IAsyncResult asyncResult) { if( deflateStream == null) { throw new InvalidOperationException(SR.GetString(SR.ObjectDisposed_StreamClosed)); } return deflateStream.EndRead(asyncResult); } [HostProtection(ExternalThreading=true)] public override IAsyncResult BeginWrite(byte[] array, int offset, int count, AsyncCallback asyncCallback, object asyncState) { if( deflateStream == null) { throw new InvalidOperationException(SR.GetString(SR.ObjectDisposed_StreamClosed)); } return deflateStream.BeginWrite(array, offset, count, asyncCallback, asyncState); } public override void EndWrite(IAsyncResult asyncResult) { if( deflateStream == null) { throw new InvalidOperationException(SR.GetString(SR.ObjectDisposed_StreamClosed)); } deflateStream.EndWrite(asyncResult); } public override int Read(byte[] array, int offset, int count) { if( deflateStream == null) { throw new ObjectDisposedException(null, SR.GetString(SR.ObjectDisposed_StreamClosed)); } return deflateStream.Read(array, offset, count); } public override void Write(byte[] array, int offset, int count) { if( deflateStream == null) { throw new ObjectDisposedException(null, SR.GetString(SR.ObjectDisposed_StreamClosed)); } deflateStream.Write(array, offset, count); } protected override void Dispose(bool disposing) { try { if (disposing && deflateStream != null) { deflateStream.Close(); } deflateStream = null; } finally { base.Dispose(disposing); } } public Stream BaseStream { get { if( deflateStream != null) { return deflateStream.BaseStream; } else { return null; } } } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- AtomicFile.cs
- serverconfig.cs
- ProcessInfo.cs
- SymmetricCryptoHandle.cs
- PointKeyFrameCollection.cs
- LabelInfo.cs
- TypeElementCollection.cs
- CriticalHandle.cs
- NativeMethods.cs
- Odbc32.cs
- CheckBoxField.cs
- ImageCodecInfo.cs
- DataGridCaption.cs
- JsonReader.cs
- WindowsListViewSubItem.cs
- ObjectDataSourceMethodEventArgs.cs
- StrongNameHelpers.cs
- SelectionProviderWrapper.cs
- TextRunProperties.cs
- RangeValidator.cs
- FunctionQuery.cs
- DetailsViewActionList.cs
- ContentPlaceHolder.cs
- sqlstateclientmanager.cs
- recordstatescratchpad.cs
- ComPlusInstanceContextInitializer.cs
- RepeaterItem.cs
- NegotiateStream.cs
- ToolboxItemFilterAttribute.cs
- Rijndael.cs
- AddInPipelineAttributes.cs
- BinaryConverter.cs
- FontSizeConverter.cs
- UserPreferenceChangingEventArgs.cs
- OperationPickerDialog.cs
- Faults.cs
- CompilationUtil.cs
- HeaderUtility.cs
- BeginEvent.cs
- RequestCachePolicy.cs
- ToolboxDataAttribute.cs
- DateTimeOffsetAdapter.cs
- TrailingSpaceComparer.cs
- BitmapMetadata.cs
- InfoCardListRequest.cs
- XamlDesignerSerializationManager.cs
- MarshalDirectiveException.cs
- X509CertificateStore.cs
- XmlSerializableWriter.cs
- MatrixValueSerializer.cs
- DBBindings.cs
- DateTimeParse.cs
- BuilderInfo.cs
- AssociationType.cs
- ProofTokenCryptoHandle.cs
- SocketStream.cs
- HostAdapter.cs
- InputLangChangeRequestEvent.cs
- Transform.cs
- loginstatus.cs
- FileSystemInfo.cs
- PropertyValue.cs
- ChildrenQuery.cs
- BitmapEffectDrawingContextWalker.cs
- DropDownList.cs
- SequentialUshortCollection.cs
- CacheEntry.cs
- TextHidden.cs
- PartialArray.cs
- ComponentCommands.cs
- PathSegmentCollection.cs
- DataGridSortCommandEventArgs.cs
- ComponentManagerBroker.cs
- FontDialog.cs
- ACE.cs
- RecordConverter.cs
- CookieParameter.cs
- DuplicateWaitObjectException.cs
- XsltOutput.cs
- CorrelationManager.cs
- UnaryExpression.cs
- AuthenticateEventArgs.cs
- RSAOAEPKeyExchangeFormatter.cs
- TableLayoutPanelBehavior.cs
- ResourceContainer.cs
- EventMappingSettings.cs
- ListBindingHelper.cs
- SiteMapPathDesigner.cs
- WindowsSidIdentity.cs
- OleDbFactory.cs
- FileSystemWatcher.cs
- NetPeerTcpBindingCollectionElement.cs
- ComboBoxDesigner.cs
- Color.cs
- AutoCompleteStringCollection.cs
- Codec.cs
- VisualStyleInformation.cs
- PolygonHotSpot.cs
- CurrentChangingEventManager.cs
- WhiteSpaceTrimStringConverter.cs