public void AddNow(string leafName, Base64EncodedByteArrayInstance data)
{
if (data == null)
{
throw new JavaScriptException(this.Engine, "Error", "A Base64EncodedByteArrayInstance must be supplied as the attachment data to add.");
}
m_attachmentCollection.AddNow(leafName, data.Data);
}
public static void AttachFile(this SPListItem item, Stream fileStream, string originalleafName, bool overwrite = false, bool updateRequired = false)
{
SPAttachmentCollection attachments = item.Attachments;
SPList list = item.ParentList;
SPWeb web = list.ParentWeb;
if (!list.EnableAttachments)
{
//throw new SPException(string.Format("The specified file can not be added to the list \"{0}\" with disabled attachments.", list.Title));
return;
}
string leafName = SPHelper.RemoveIllegalUrlCharacters(originalleafName);
if (fileStream == null || fileStream.Length == 0)
{
throw new SPException("The specified file should not be empty.");
}
var maximumFileSize = web.Site.WebApplication.MaximumFileSize * 1024 * 1024;
if (fileStream.Length > maximumFileSize)
{
throw new SPException(string.Format("The specified file is larger than the maximum supported file size: {0}.", SPUtility.FormatSize(maximumFileSize)));
}
if (overwrite)
{
string attachmentUrl = SPUrlUtility.CombineUrl(attachments.UrlPrefix, leafName);
SPFile existingFile = web.GetFile(attachmentUrl);
if (existingFile.Exists)
{
existingFile.SaveBinary(fileStream);
return;
}
}
BinaryReader reader = new BinaryReader(fileStream);
if (updateRequired)
{
attachments.Add(leafName, reader.ReadBytes((int)fileStream.Length));
}
else
{
attachments.AddNow(leafName, reader.ReadBytes((int)fileStream.Length));
}
reader.Close();
}