/// <inheritdoc/>
protected override void ExtractArchive()
{
try
{
// Read ZIP file sequentially and reference central directory in parallel
foreach (var centralEntry in _centralDirectory)
{
var localEntry = _zipStream.GetNextEntry();
if (localEntry == null)
{
break;
}
string?relativePath = GetRelativePath(centralEntry.Name);
if (string.IsNullOrEmpty(relativePath))
{
continue;
}
if (centralEntry.IsDirectory)
{
DirectoryBuilder.CreateDirectory(relativePath, localEntry.DateTime);
}
else if (centralEntry.IsFile)
{
if (IsSymlink(centralEntry))
{
DirectoryBuilder.CreateSymlink(relativePath, _zipStream.ReadToString());
}
else
{
WriteFile(relativePath, centralEntry.Size, localEntry.DateTime, _zipStream, IsExecutable(centralEntry));
}
}
UnitsProcessed += centralEntry.CompressedSize;
}
}
#region Error handling
catch (SharpZipBaseException ex)
{
// Wrap exception since only certain exception types are allowed
throw new IOException(Resources.ArchiveInvalid, ex);
}
catch (InvalidDataException ex)
{
// Wrap exception since only certain exception types are allowed
throw new IOException(Resources.ArchiveInvalid, ex);
}
catch (ArgumentOutOfRangeException ex)
{
// Wrap exception since only certain exception types are allowed
throw new IOException(Resources.ArchiveInvalid, ex);
}
#endregion
}
/// <inheritdoc/>
protected override void Execute()
{
State = TaskState.Data;
try
{
if (!Directory.Exists(EffectiveTargetDir))
{
Directory.CreateDirectory(EffectiveTargetDir);
}
// Read ZIP file sequentially and reference central directory in parallel
int i = 0;
ZipEntry localEntry;
while ((localEntry = _zipStream.GetNextEntry()) != null)
{
ZipEntry centralEntry = _centralDirectory[i++];
string relativePath = GetRelativePath(centralEntry.Name);
if (string.IsNullOrEmpty(relativePath))
{
continue;
}
if (centralEntry.IsDirectory)
{
CreateDirectory(relativePath, localEntry.DateTime);
}
else if (centralEntry.IsFile)
{
if (IsSymlink(centralEntry))
{
CreateSymlink(relativePath, _zipStream.ReadToString());
}
else
{
WriteFile(relativePath, centralEntry.Size, localEntry.DateTime, _zipStream, IsExecutable(centralEntry));
}
}
UnitsProcessed += centralEntry.CompressedSize;
}
SetDirectoryWriteTimes();
}
#region Error handling
catch (SharpZipBaseException ex)
{
// Wrap exception since only certain exception types are allowed
throw new IOException(Resources.ArchiveInvalid, ex);
}
catch (InvalidDataException ex)
{
// Wrap exception since only certain exception types are allowed
throw new IOException(Resources.ArchiveInvalid, ex);
}
catch (ArgumentOutOfRangeException ex)
{
// Wrap exception since only certain exception types are allowed
throw new IOException(Resources.ArchiveInvalid, ex);
}
#endregion
State = TaskState.Complete;
}
