/// <summary>
/// Writes to file the content from other file.
/// </summary>
/// <param name="sourceFile">The source file.</param>
/// <param name="targetFile">The target file.</param>
/// <param name="comment">The comment.</param>
public static void WriteToFile(UnifiedFile sourceFile, UnifiedFile targetFile, string comment)
{
using (Stream stream = sourceFile.Open())
{
WriteToFile(stream, targetFile, comment);
}
}
/// <summary>
/// Saves the source stream to a unified file and adds a comment if the file implrments IVersioningFile.
/// </summary>
/// <param name="sourceStream">The source stream.</param>
/// <param name="targetFile">The target file.</param>
/// <param name="comment">A comment to add when checking in a versioning file.</param>
public static void WriteToFile(Stream sourceStream, UnifiedFile targetFile, string comment)
{
// It may be a versioning file
IVersioningFile versioningFile = targetFile as IVersioningFile;
if (versioningFile != null)
{
ThrowIfCheckedOut(versioningFile);
if (!versioningFile.IsCheckedOut)
{
versioningFile.CheckOut();
}
}
// Copy the source stream to the target file stream.
using (Stream writeStream = targetFile.Open(FileMode.Create, FileAccess.Write))
{
StreamConsumer.CopyToEnd(sourceStream, writeStream);
}
// If versioning, then check in with the supplied comment.
if (versioningFile != null)
{
versioningFile.CheckIn(comment ?? String.Empty);
}
}
private void WriteError(string entryId, UnifiedFile file, Error error)
{
using (var fileStream = file.Open(FileMode.Create, FileAccess.Write, FileShare.None))
{
var writer = new XmlTextWriter(fileStream, Encoding.UTF8) { Formatting = Formatting.Indented };
writer.WriteStartElement("error");
writer.WriteAttributeString("errorId", entryId);
ErrorXml.Encode(error, writer);
writer.WriteEndElement();
writer.Flush();
}
}
private ErrorLogEntry ReadError(UnifiedFile file)
{
using (var stream = file.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
var reader = new XmlTextReader(stream);
if (reader.IsStartElement("error") == false)
{
return null;
}
var entryId = reader.GetAttribute("errorId");
var error = ErrorXml.Decode(reader);
return new ErrorLogEntry(this, entryId, error);
}
}
