protected override void DoTaskForFile(string pPath, IVgmtWorkerStruct pGzipExtractorStruct, DoWorkEventArgs e)
{
GzipExtractorStruct gzipExtractorStruct = (GzipExtractorStruct)pGzipExtractorStruct;
this.progressStruct.Clear();
if (gzipExtractorStruct.DoDecompress)
{
progressStruct.GenericMessage = String.Format("Decompressing <{0}>{1}", pPath, Environment.NewLine);
}
else
{
progressStruct.GenericMessage = String.Format("Compressing <{0}>{1}", pPath, Environment.NewLine);
}
ReportProgress(this.Progress, progressStruct);
try
{
string outputFileName;
if (gzipExtractorStruct.DoDecompress)
{
outputFileName = Path.ChangeExtension(pPath, CompressionUtil.GzipDecompressOutputExtension);
}
else
{
outputFileName = Path.ChangeExtension(pPath, CompressionUtil.GzipCompressOutputExtension);
}
using (FileStream fs = File.OpenRead(pPath))
{
if (gzipExtractorStruct.StartingOffset > fs.Length)
{
throw new ArgumentOutOfRangeException("Starting Offset", "Offset cannot be greater than the file size.");
}
if (gzipExtractorStruct.DoDecompress)
{
CompressionUtil.DecompressGzipStreamToFile(fs, outputFileName, gzipExtractorStruct.StartingOffset);
}
else
{
CompressionUtil.CompressStreamToGzipFile(fs, outputFileName, gzipExtractorStruct.StartingOffset);
}
}
this.progressStruct.Clear();
if (gzipExtractorStruct.DoDecompress)
{
progressStruct.GenericMessage = String.Format(" {0} decompressed.{1}", Path.GetFileName(outputFileName), Environment.NewLine);
}
else
{
progressStruct.GenericMessage = String.Format(" {0} compressed.{1}", Path.GetFileName(outputFileName), Environment.NewLine);
}
ReportProgress(this.Progress, progressStruct);
}
catch (Exception ex)
{
throw ex;
}
}