/// <exception cref="System.IO.IOException"/>
private static void VerifyTargetFile(FSDirectory fsd, string target, INodesInPath
targetIIP)
{
// check the target
if (fsd.GetEZForPath(targetIIP) != null)
{
throw new HadoopIllegalArgumentException("concat can not be called for files in an encryption zone."
);
}
INodeFile targetINode = INodeFile.ValueOf(targetIIP.GetLastINode(), target);
if (targetINode.IsUnderConstruction())
{
throw new HadoopIllegalArgumentException("concat: target file " + target + " is under construction"
);
}
}