Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / 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; } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. 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; } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- EtwTrace.cs
- DbConnectionClosed.cs
- TranslateTransform.cs
- RijndaelManaged.cs
- DataBindingExpressionBuilder.cs
- SqlDataSourceEnumerator.cs
- entityreference_tresulttype.cs
- Inflater.cs
- ExtentKey.cs
- GridErrorDlg.cs
- UnsafeNativeMethods.cs
- SingleResultAttribute.cs
- SmtpDigestAuthenticationModule.cs
- RelationshipNavigation.cs
- TogglePattern.cs
- ButtonBaseAdapter.cs
- PrtCap_Reader.cs
- AssemblyCollection.cs
- GridProviderWrapper.cs
- MouseButton.cs
- NeutralResourcesLanguageAttribute.cs
- BindingsCollection.cs
- EpmCustomContentSerializer.cs
- XMLUtil.cs
- SoapServerMethod.cs
- _OSSOCK.cs
- XmlEntity.cs
- DispatcherFrame.cs
- TabItem.cs
- XmlIlVisitor.cs
- MatrixTransform.cs
- TemplateControlParser.cs
- XPathDescendantIterator.cs
- AnimationClock.cs
- XmlConverter.cs
- APCustomTypeDescriptor.cs
- TemplateControlCodeDomTreeGenerator.cs
- XmlAttributeHolder.cs
- BinaryObjectReader.cs
- BaseCollection.cs
- ListViewSelectEventArgs.cs
- HttpCacheVaryByContentEncodings.cs
- WsdlBuildProvider.cs
- ComponentConverter.cs
- AttachedPropertyBrowsableForTypeAttribute.cs
- XmlChildEnumerator.cs
- CssTextWriter.cs
- SpoolingTaskBase.cs
- WorkflowApplicationCompletedException.cs
- GeneralTransform.cs
- MemberProjectionIndex.cs
- FormatterServices.cs
- JoinElimination.cs
- SoapIgnoreAttribute.cs
- TransactionalPackage.cs
- WMIInterop.cs
- ExpressionBuilder.cs
- BlurEffect.cs
- xsdvalidator.cs
- TextLineBreak.cs
- ValueQuery.cs
- ItemList.cs
- cookiecollection.cs
- SmtpTransport.cs
- CalendarKeyboardHelper.cs
- FontDialog.cs
- JumpItem.cs
- EdmToObjectNamespaceMap.cs
- OleDbParameterCollection.cs
- TreeSet.cs
- DesignTimeType.cs
- KeyboardNavigation.cs
- CaseInsensitiveComparer.cs
- ScopedKnownTypes.cs
- LinqToSqlWrapper.cs
- CopyNodeSetAction.cs
- QilInvokeEarlyBound.cs
- StateItem.cs
- DesignerDataTable.cs
- RuleSettings.cs
- Ref.cs
- BuildTopDownAttribute.cs
- XmlSchemaSubstitutionGroup.cs
- Int64KeyFrameCollection.cs
- StrongTypingException.cs
- XmlDataSourceDesigner.cs
- CharKeyFrameCollection.cs
- EmbeddedMailObject.cs
- CalendarDay.cs
- PaperSource.cs
- RadialGradientBrush.cs
- ContractMethodParameterInfo.cs
- ReferenceSchema.cs
- ContainerUtilities.cs
- SchemaMerger.cs
- DataGridPageChangedEventArgs.cs
- GrammarBuilderBase.cs
- WebPartZoneCollection.cs
- PositiveTimeSpanValidator.cs
- FixedDSBuilder.cs