Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Net / System / Net / Mail / Attachment.cs / 1305376 / Attachment.cs
using System; using System.IO; using System.Net.Mime; using System.Text; using System.Runtime.Versioning; namespace System.Net.Mail { public abstract class AttachmentBase : IDisposable { internal bool disposed = false; MimePart part = new MimePart(); internal AttachmentBase(){ } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] protected AttachmentBase(string fileName) { SetContentFromFile(fileName, String.Empty); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] protected AttachmentBase(string fileName, string mediaType) { SetContentFromFile(fileName, mediaType); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] protected AttachmentBase(string fileName, ContentType contentType) { SetContentFromFile(fileName, contentType); } protected AttachmentBase(Stream contentStream) { part.SetContent(contentStream); } protected AttachmentBase(Stream contentStream, string mediaType) { part.SetContent(contentStream, null, mediaType); } internal AttachmentBase(Stream contentStream, string name, string mediaType) { part.SetContent(contentStream, name, mediaType); } protected AttachmentBase(Stream contentStream, ContentType contentType) { part.SetContent(contentStream, contentType); } public void Dispose() { Dispose(true); } protected virtual void Dispose(bool disposing) { if (disposing && !disposed) { disposed = true; part.Dispose(); } } internal static string ShortNameFromFile(string fileName) { string name; int start = fileName.LastIndexOfAny(new char[] { '\\', ':' }, fileName.Length - 1, fileName.Length); if (start > 0) { name = fileName.Substring(start + 1, fileName.Length - start - 1); } else { name = fileName; } return name; } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] internal void SetContentFromFile(string fileName, ContentType contentType) { if (fileName == null) { throw new ArgumentNullException("fileName"); } if (fileName == String.Empty) { throw new ArgumentException(SR.GetString(SR.net_emptystringcall,"fileName"), "fileName"); } Stream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read); part.SetContent(stream, contentType); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] internal void SetContentFromFile(string fileName, string mediaType) { if (fileName == null) { throw new ArgumentNullException("fileName"); } if (fileName == String.Empty) { throw new ArgumentException(SR.GetString(SR.net_emptystringcall,"fileName"), "fileName"); } Stream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read); part.SetContent(stream,null,mediaType); } internal void SetContentFromString(string contentString, ContentType contentType) { if (contentString == null) { throw new ArgumentNullException("content"); } if (part.Stream != null) { part.Stream.Close(); } Encoding encoding; if (contentType != null && contentType.CharSet != null) { encoding = Text.Encoding.GetEncoding(contentType.CharSet); } else{ if (MimeBasePart.IsAscii(contentString,false)) { encoding = Text.Encoding.ASCII; } else { encoding = Text.Encoding.GetEncoding(MimeBasePart.defaultCharSet); } } byte[] buffer = encoding.GetBytes(contentString); part.SetContent(new MemoryStream(buffer),contentType); if (MimeBasePart.ShouldUseBase64Encoding(encoding)){ part.TransferEncoding = TransferEncoding.Base64; } else{ part.TransferEncoding = TransferEncoding.QuotedPrintable; } } internal void SetContentFromString(string contentString, Encoding encoding, string mediaType) { if (contentString == null) { throw new ArgumentNullException("content"); } if (part.Stream != null) { part.Stream.Close(); } if (mediaType == null || mediaType == string.Empty) { mediaType = MediaTypeNames.Text.Plain; } //validate the mediaType int offset = 0; try{ string value = MailBnfHelper.ReadToken(mediaType, ref offset, null); if (value.Length == 0 || offset >= mediaType.Length || mediaType[offset++] != '/') throw new ArgumentException(SR.GetString(SR.MediaTypeInvalid), "mediaType"); value = MailBnfHelper.ReadToken(mediaType, ref offset, null); if(value.Length == 0 || offset < mediaType.Length){ throw new ArgumentException(SR.GetString(SR.MediaTypeInvalid), "mediaType"); } } catch(FormatException){ throw new ArgumentException(SR.GetString(SR.MediaTypeInvalid), "mediaType"); } ContentType contentType = new ContentType(mediaType); if (encoding == null){ if (MimeBasePart.IsAscii(contentString,false)) { encoding = Text.Encoding.ASCII; } else { encoding = Text.Encoding.GetEncoding(MimeBasePart.defaultCharSet); } } contentType.CharSet = encoding.BodyName; byte[] buffer = encoding.GetBytes(contentString); part.SetContent(new MemoryStream(buffer),contentType); if (MimeBasePart.ShouldUseBase64Encoding(encoding)){ part.TransferEncoding = TransferEncoding.Base64; } else{ part.TransferEncoding = TransferEncoding.QuotedPrintable; } } internal virtual void PrepareForSending(){ part.ResetStream(); } public Stream ContentStream { get { if (disposed) { throw new ObjectDisposedException(this.GetType().FullName); } return part.Stream; } } public string ContentId { get { string cid = part.ContentID; if (string.IsNullOrEmpty(cid)) { cid = Guid.NewGuid().ToString(); ContentId = cid; return cid; } if (cid.Length >= 2 && cid[0] == '<' && cid[cid.Length - 1] == '>') { return cid.Substring(1, cid.Length - 2); } return cid; } set { if (string.IsNullOrEmpty(value)) { part.ContentID = null; } else { if(value.IndexOfAny(new char[] { '<', '>' }) != -1) { throw new ArgumentException(SR.GetString(SR.MailHeaderInvalidCID), "value"); } part.ContentID = "<" + value + ">"; } } } public ContentType ContentType { get { return part.ContentType; } set { part.ContentType = value; } } public TransferEncoding TransferEncoding { get { return part.TransferEncoding; } set { part.TransferEncoding = value; } } internal Uri ContentLocation { get { Uri uri; if (!Uri.TryCreate(part.ContentLocation, UriKind.RelativeOrAbsolute, out uri)) { return null; } return uri; } set { part.ContentLocation = value == null ? null : value.IsAbsoluteUri ? value.AbsoluteUri : value.OriginalString; } } internal MimePart MimePart { get { return part; } } } public class Attachment : AttachmentBase { string name; Encoding nameEncoding; internal Attachment(){ MimePart.ContentDisposition = new ContentDisposition(); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] public Attachment(string fileName) :base(fileName) { Name = ShortNameFromFile(fileName); MimePart.ContentDisposition = new ContentDisposition(); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] public Attachment(string fileName, string mediaType) : base(fileName, mediaType) { Name = ShortNameFromFile(fileName); MimePart.ContentDisposition = new ContentDisposition(); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] public Attachment(string fileName, ContentType contentType) : base(fileName, contentType) { if (contentType.Name == null || contentType.Name == String.Empty) { Name = ShortNameFromFile(fileName); } else{ Name = contentType.Name; } MimePart.ContentDisposition = new ContentDisposition(); } public Attachment(Stream contentStream, string name) : base(contentStream, null, null) { Name = name; MimePart.ContentDisposition = new ContentDisposition(); } public Attachment(Stream contentStream, string name, string mediaType) : base(contentStream, null, mediaType) { Name = name; MimePart.ContentDisposition = new ContentDisposition(); } public Attachment(Stream contentStream, ContentType contentType) : base(contentStream, contentType) { Name = contentType.Name; MimePart.ContentDisposition = new ContentDisposition(); } internal void SetContentTypeName(){ if (name != null && name.Length != 0 && !MimeBasePart.IsAscii(name,false)) { Encoding encoding = NameEncoding; if(encoding == null){ encoding = Encoding.GetEncoding(MimeBasePart.defaultCharSet); } MimePart.ContentType.Name = MimeBasePart.EncodeHeaderValue(name, encoding ,MimeBasePart.ShouldUseBase64Encoding(encoding)); } else{ MimePart.ContentType.Name = name; } } public string Name { get { return name; } set { Encoding nameEncoding = MimeBasePart.DecodeEncoding(value); if(nameEncoding != null){ this.nameEncoding = nameEncoding; this.name = MimeBasePart.DecodeHeaderValue(value); MimePart.ContentType.Name = value; } else{ this.name = value; SetContentTypeName(); } } } public Encoding NameEncoding { get { return nameEncoding; } set { nameEncoding = value; if(name != null && name != String.Empty){ SetContentTypeName(); } } } public ContentDisposition ContentDisposition { get { return MimePart.ContentDisposition; } } internal override void PrepareForSending(){ if(name != null && name != String.Empty){ SetContentTypeName(); } base.PrepareForSending(); } public static Attachment CreateAttachmentFromString(string content, string name){ Attachment a = new Attachment(); a.SetContentFromString(content,null, String.Empty); a.Name = name; return a; } public static Attachment CreateAttachmentFromString(string content, string name, Encoding contentEncoding, string mediaType){ Attachment a = new Attachment(); a.SetContentFromString(content, contentEncoding, mediaType); a.Name = name; return a; } public static Attachment CreateAttachmentFromString(string content, ContentType contentType){ Attachment a = new Attachment(); a.SetContentFromString(content, contentType); a.Name = contentType.Name; return a; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. using System; using System.IO; using System.Net.Mime; using System.Text; using System.Runtime.Versioning; namespace System.Net.Mail { public abstract class AttachmentBase : IDisposable { internal bool disposed = false; MimePart part = new MimePart(); internal AttachmentBase(){ } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] protected AttachmentBase(string fileName) { SetContentFromFile(fileName, String.Empty); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] protected AttachmentBase(string fileName, string mediaType) { SetContentFromFile(fileName, mediaType); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] protected AttachmentBase(string fileName, ContentType contentType) { SetContentFromFile(fileName, contentType); } protected AttachmentBase(Stream contentStream) { part.SetContent(contentStream); } protected AttachmentBase(Stream contentStream, string mediaType) { part.SetContent(contentStream, null, mediaType); } internal AttachmentBase(Stream contentStream, string name, string mediaType) { part.SetContent(contentStream, name, mediaType); } protected AttachmentBase(Stream contentStream, ContentType contentType) { part.SetContent(contentStream, contentType); } public void Dispose() { Dispose(true); } protected virtual void Dispose(bool disposing) { if (disposing && !disposed) { disposed = true; part.Dispose(); } } internal static string ShortNameFromFile(string fileName) { string name; int start = fileName.LastIndexOfAny(new char[] { '\\', ':' }, fileName.Length - 1, fileName.Length); if (start > 0) { name = fileName.Substring(start + 1, fileName.Length - start - 1); } else { name = fileName; } return name; } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] internal void SetContentFromFile(string fileName, ContentType contentType) { if (fileName == null) { throw new ArgumentNullException("fileName"); } if (fileName == String.Empty) { throw new ArgumentException(SR.GetString(SR.net_emptystringcall,"fileName"), "fileName"); } Stream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read); part.SetContent(stream, contentType); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] internal void SetContentFromFile(string fileName, string mediaType) { if (fileName == null) { throw new ArgumentNullException("fileName"); } if (fileName == String.Empty) { throw new ArgumentException(SR.GetString(SR.net_emptystringcall,"fileName"), "fileName"); } Stream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read); part.SetContent(stream,null,mediaType); } internal void SetContentFromString(string contentString, ContentType contentType) { if (contentString == null) { throw new ArgumentNullException("content"); } if (part.Stream != null) { part.Stream.Close(); } Encoding encoding; if (contentType != null && contentType.CharSet != null) { encoding = Text.Encoding.GetEncoding(contentType.CharSet); } else{ if (MimeBasePart.IsAscii(contentString,false)) { encoding = Text.Encoding.ASCII; } else { encoding = Text.Encoding.GetEncoding(MimeBasePart.defaultCharSet); } } byte[] buffer = encoding.GetBytes(contentString); part.SetContent(new MemoryStream(buffer),contentType); if (MimeBasePart.ShouldUseBase64Encoding(encoding)){ part.TransferEncoding = TransferEncoding.Base64; } else{ part.TransferEncoding = TransferEncoding.QuotedPrintable; } } internal void SetContentFromString(string contentString, Encoding encoding, string mediaType) { if (contentString == null) { throw new ArgumentNullException("content"); } if (part.Stream != null) { part.Stream.Close(); } if (mediaType == null || mediaType == string.Empty) { mediaType = MediaTypeNames.Text.Plain; } //validate the mediaType int offset = 0; try{ string value = MailBnfHelper.ReadToken(mediaType, ref offset, null); if (value.Length == 0 || offset >= mediaType.Length || mediaType[offset++] != '/') throw new ArgumentException(SR.GetString(SR.MediaTypeInvalid), "mediaType"); value = MailBnfHelper.ReadToken(mediaType, ref offset, null); if(value.Length == 0 || offset < mediaType.Length){ throw new ArgumentException(SR.GetString(SR.MediaTypeInvalid), "mediaType"); } } catch(FormatException){ throw new ArgumentException(SR.GetString(SR.MediaTypeInvalid), "mediaType"); } ContentType contentType = new ContentType(mediaType); if (encoding == null){ if (MimeBasePart.IsAscii(contentString,false)) { encoding = Text.Encoding.ASCII; } else { encoding = Text.Encoding.GetEncoding(MimeBasePart.defaultCharSet); } } contentType.CharSet = encoding.BodyName; byte[] buffer = encoding.GetBytes(contentString); part.SetContent(new MemoryStream(buffer),contentType); if (MimeBasePart.ShouldUseBase64Encoding(encoding)){ part.TransferEncoding = TransferEncoding.Base64; } else{ part.TransferEncoding = TransferEncoding.QuotedPrintable; } } internal virtual void PrepareForSending(){ part.ResetStream(); } public Stream ContentStream { get { if (disposed) { throw new ObjectDisposedException(this.GetType().FullName); } return part.Stream; } } public string ContentId { get { string cid = part.ContentID; if (string.IsNullOrEmpty(cid)) { cid = Guid.NewGuid().ToString(); ContentId = cid; return cid; } if (cid.Length >= 2 && cid[0] == '<' && cid[cid.Length - 1] == '>') { return cid.Substring(1, cid.Length - 2); } return cid; } set { if (string.IsNullOrEmpty(value)) { part.ContentID = null; } else { if(value.IndexOfAny(new char[] { '<', '>' }) != -1) { throw new ArgumentException(SR.GetString(SR.MailHeaderInvalidCID), "value"); } part.ContentID = "<" + value + ">"; } } } public ContentType ContentType { get { return part.ContentType; } set { part.ContentType = value; } } public TransferEncoding TransferEncoding { get { return part.TransferEncoding; } set { part.TransferEncoding = value; } } internal Uri ContentLocation { get { Uri uri; if (!Uri.TryCreate(part.ContentLocation, UriKind.RelativeOrAbsolute, out uri)) { return null; } return uri; } set { part.ContentLocation = value == null ? null : value.IsAbsoluteUri ? value.AbsoluteUri : value.OriginalString; } } internal MimePart MimePart { get { return part; } } } public class Attachment : AttachmentBase { string name; Encoding nameEncoding; internal Attachment(){ MimePart.ContentDisposition = new ContentDisposition(); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] public Attachment(string fileName) :base(fileName) { Name = ShortNameFromFile(fileName); MimePart.ContentDisposition = new ContentDisposition(); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] public Attachment(string fileName, string mediaType) : base(fileName, mediaType) { Name = ShortNameFromFile(fileName); MimePart.ContentDisposition = new ContentDisposition(); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] public Attachment(string fileName, ContentType contentType) : base(fileName, contentType) { if (contentType.Name == null || contentType.Name == String.Empty) { Name = ShortNameFromFile(fileName); } else{ Name = contentType.Name; } MimePart.ContentDisposition = new ContentDisposition(); } public Attachment(Stream contentStream, string name) : base(contentStream, null, null) { Name = name; MimePart.ContentDisposition = new ContentDisposition(); } public Attachment(Stream contentStream, string name, string mediaType) : base(contentStream, null, mediaType) { Name = name; MimePart.ContentDisposition = new ContentDisposition(); } public Attachment(Stream contentStream, ContentType contentType) : base(contentStream, contentType) { Name = contentType.Name; MimePart.ContentDisposition = new ContentDisposition(); } internal void SetContentTypeName(){ if (name != null && name.Length != 0 && !MimeBasePart.IsAscii(name,false)) { Encoding encoding = NameEncoding; if(encoding == null){ encoding = Encoding.GetEncoding(MimeBasePart.defaultCharSet); } MimePart.ContentType.Name = MimeBasePart.EncodeHeaderValue(name, encoding ,MimeBasePart.ShouldUseBase64Encoding(encoding)); } else{ MimePart.ContentType.Name = name; } } public string Name { get { return name; } set { Encoding nameEncoding = MimeBasePart.DecodeEncoding(value); if(nameEncoding != null){ this.nameEncoding = nameEncoding; this.name = MimeBasePart.DecodeHeaderValue(value); MimePart.ContentType.Name = value; } else{ this.name = value; SetContentTypeName(); } } } public Encoding NameEncoding { get { return nameEncoding; } set { nameEncoding = value; if(name != null && name != String.Empty){ SetContentTypeName(); } } } public ContentDisposition ContentDisposition { get { return MimePart.ContentDisposition; } } internal override void PrepareForSending(){ if(name != null && name != String.Empty){ SetContentTypeName(); } base.PrepareForSending(); } public static Attachment CreateAttachmentFromString(string content, string name){ Attachment a = new Attachment(); a.SetContentFromString(content,null, String.Empty); a.Name = name; return a; } public static Attachment CreateAttachmentFromString(string content, string name, Encoding contentEncoding, string mediaType){ Attachment a = new Attachment(); a.SetContentFromString(content, contentEncoding, mediaType); a.Name = name; return a; } public static Attachment CreateAttachmentFromString(string content, ContentType contentType){ Attachment a = new Attachment(); a.SetContentFromString(content, contentType); a.Name = contentType.Name; return a; } } } // 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
- HandlerWithFactory.cs
- XPathMessageContext.cs
- EventTask.cs
- _NativeSSPI.cs
- DbException.cs
- XmlUtilWriter.cs
- basenumberconverter.cs
- GlobalizationAssembly.cs
- XmlExceptionHelper.cs
- WebServiceHost.cs
- ErrorCodes.cs
- Process.cs
- MachineKeySection.cs
- RegexGroup.cs
- NativeMethods.cs
- ApplicationActivator.cs
- QueryOptionExpression.cs
- AutoResetEvent.cs
- PagesChangedEventArgs.cs
- WebPartTracker.cs
- ExpressionPrefixAttribute.cs
- ToolStripGripRenderEventArgs.cs
- WindowsGraphics2.cs
- DbParameterHelper.cs
- TextFormatterHost.cs
- ObjectAssociationEndMapping.cs
- ApplicationManager.cs
- MatrixTransform3D.cs
- MappingSource.cs
- ServiceOperationUIEditor.cs
- XsdDataContractExporter.cs
- MultiPageTextView.cs
- ListItemDetailViewAttribute.cs
- VideoDrawing.cs
- ThreadExceptionDialog.cs
- EntityContainer.cs
- TemplateControlParser.cs
- GraphicsContainer.cs
- CqlLexerHelpers.cs
- GenericsNotImplementedException.cs
- WebPartCollection.cs
- DBParameter.cs
- BitSet.cs
- ErrorHandler.cs
- ContextMenuService.cs
- RequestBringIntoViewEventArgs.cs
- DataBinder.cs
- DataGridColumnStyleMappingNameEditor.cs
- x509store.cs
- StrongBox.cs
- DataSourceControlBuilder.cs
- MsmqAuthenticationMode.cs
- EventArgs.cs
- SmiContextFactory.cs
- SecurityException.cs
- TrackingProfileManager.cs
- XmlValidatingReaderImpl.cs
- Table.cs
- RuleSetDialog.cs
- LinqDataSourceEditData.cs
- Win32.cs
- InfoCardRSAOAEPKeyExchangeDeformatter.cs
- IncomingWebRequestContext.cs
- XmlCharCheckingReader.cs
- TextElementCollection.cs
- DecodeHelper.cs
- DesignerForm.cs
- Exceptions.cs
- CalculatedColumn.cs
- TextEditor.cs
- MessageRpc.cs
- DynamicDiscoSearcher.cs
- SafeLocalMemHandle.cs
- CodeFieldReferenceExpression.cs
- CompileXomlTask.cs
- SerializableAttribute.cs
- CompareValidator.cs
- TimeSpanParse.cs
- NodeInfo.cs
- StateWorkerRequest.cs
- IteratorDescriptor.cs
- CapabilitiesSection.cs
- PublisherIdentityPermission.cs
- JapaneseCalendar.cs
- ErrorWebPart.cs
- BuildProvider.cs
- DataGridViewButtonColumn.cs
- Pen.cs
- SqlConnectionPoolGroupProviderInfo.cs
- Rule.cs
- ListenerPerfCounters.cs
- Dynamic.cs
- EventLogEntry.cs
- PasswordDeriveBytes.cs
- ColorConvertedBitmapExtension.cs
- WizardForm.cs
- NavigationService.cs
- ComponentFactoryHelpers.cs
- PointAnimation.cs
- Attributes.cs