private static ZipArchive CreateZipArchive(string destFile, bool createNew)
{
AbstractFile zipFile = new DiskFile(destFile);
if (createNew)
{
// In order to create a new zip file, all we have to do is make sure
// that file does not exist before creating our ZipArchive.
if (zipFile.Exists)
{
zipFile.Delete();
}
}
else
{
if (!zipFile.Exists)
{
throw new ArgumentException(destFile + " is not exist!");
}
}
return(CreateZipArchive(zipFile));
}
private static ZipArchive CreateZipArchive(string destFile, bool createNew)
{
AbstractFile zipFile = new DiskFile(destFile);
if (createNew)
{
// In order to create a new zip file, all we have to do is make sure
// that file does not exist before creating our ZipArchive.
if (zipFile.Exists)
{
zipFile.Delete();
}
}
else
{
if (!zipFile.Exists)
{
throw new ArgumentException(destFile + " is not exist!");
}
}
return CreateZipArchive(zipFile);
}