import java.io.File;
String counter = project.getProperty(".unique.counter");
int count;
if (counter == null){
	count = 0;
}else{
	count = Integer.valueOf(counter) + 1;
}
project.setProperty(".unique.counter", ""+count);
targetname = (String.format("%016d",count) + "_"+new File(source).getName());
self.addMappedName(targetname);
