public MyDocumentWriter(String str){
this.str = str;
fgr = new FileGroupReader(str);
this.llist = new LinkedList<Instance>();
Instance in = null; FeatureGeter fp = null;
ARInstanceGetter arip = null;
while(fgr.hasNext()){
in = fgr.next();
fp = new FeatureGeter(in);
arip = new ARInstanceGetter(fp);
llist.add(arip.getInstance());
}
}