// this subtrees will be used as permited and as excluded
GeneralSubtree subtree =
new GeneralSubtree(name_constraints[i]);
GeneralSubtrees subtrees = new GeneralSubtrees();
NameConstraints constraints;
subtrees.addSubtree(subtree);
// start the checking for each alt. name corresponding
// to current name_constraints[i]
boolean check_matching = true;
for (int j=0; j<alternative_names[i].length; j++) {
GeneralNames alt_names_extension = new GeneralNames();