///<summary>The entry point for the application.</summary>
///<param name="argv">A list of arguments</param>
public static void Main(string[] argv)
{
Boolean booleanParseCommandLineArguments = false;
string exceptionMessage = null;
UtilityCompressArgument utilityCompressArgument = null;
utilityCompressArgument = new UtilityCompressArgument();
booleanParseCommandLineArguments = UtilityParseCommandLineArgument.ParseCommandLineArguments
(
argv,
utilityCompressArgument
);
if (booleanParseCommandLineArguments == false)
{
// error encountered in arguments. Display usage message
System.Console.Write
(
UtilityParseCommandLineArgument.CommandLineArgumentsUsage(typeof(UtilityCompressArgument))
);
return;
}//if ( booleanParseCommandLineArguments == false )
CompressFile
(
ref utilityCompressArgument,
ref exceptionMessage
);
}
/// <summary>CompressFile</summary>
public static void CompressFile
(
ref UtilityCompressArgument utilityCompressArgument,
ref string exceptionMessage
)
{
// Create the streams and byte arrays needed
byte[] buffer = null;
string directoryName = null;
string fileNamePattern = null;
ArrayList filenames = null;
FileStream sourceStream = null;
FileStream destinationStream = null;
GZipStream compressedStream = null;
try
{
directoryName = Path.GetDirectoryName(utilityCompressArgument.destination);
if (Directory.Exists(directoryName) == false)
{
Directory.CreateDirectory(directoryName);
}
// Open the FileStream to write to
destinationStream = new FileStream(utilityCompressArgument.destination, FileMode.OpenOrCreate, FileAccess.Write);
// Create a compression stream pointing to the destination stream
compressedStream = new GZipStream(destinationStream, CompressionMode.Compress, true);
foreach (string source in utilityCompressArgument.source)
{
if (File.Exists(source))
{
filenames = new ArrayList();
filenames.Add(source);
}
else
{
directoryName = Path.GetDirectoryName(source);
fileNamePattern = Path.GetFileName(source);
if (Directory.Exists(directoryName))
{
UtilityDirectory.Dir
(
directoryName,
fileNamePattern,
ref filenames
);
}
}
foreach (object filenameCurrent in filenames)
{
// Read the bytes from the source file into a byte array
sourceStream = new FileStream(filenameCurrent.ToString(), FileMode.Open, FileAccess.Read, FileShare.Read);
// Read the source stream values into the buffer
buffer = new byte[sourceStream.Length];
sourceStream.Read(buffer, 0, buffer.Length);
System.Console.WriteLine("Filename: {0} | Length: {1}", filenameCurrent, buffer.Length);
// Now write the compressed data to the destination file
compressedStream.Write(buffer, 0, buffer.Length);
if (sourceStream != null)
{
sourceStream.Close();
}
}
}
}
catch (Exception exception) { UtilityException.ExceptionLog(exception, exception.GetType().Name, ref exceptionMessage); }
finally
{
if (compressedStream != null)
{
compressedStream.Close();
}
if (destinationStream != null)
{
destinationStream.Close( );
}
}
}
