public Collection hasRepositoryLocations(Collection repositoryLocationsToCheck) {
   Vector v = new Vector();
   for (Iterator en = repositoryLocationsToCheck.iterator(); en.hasNext(); ) {
     IRepositoryLocation elt = (IRepositoryLocation) en.next();
     v.addElement(new Boolean(hasRepositoryLocation(elt)));
   }
   return v;
 }
 public Collection hasSourceCodeFiles(Collection sourceCodeFilesToCheck) {
   Vector v = new Vector();
   for (Iterator en = sourceCodeFilesToCheck.iterator(); en.hasNext(); ) {
     IJavaSourceFile elt = (IJavaSourceFile) en.next();
     v.addElement(new Boolean(hasSourceCodeFile(elt)));
   }
   return v;
 }