public boolean contains(IgnoreError ignoreError) {
    String code = ignoreError.getCode();

    for (Iterator i = this.ignoreErrors.iterator(); i.hasNext(); ) {
      IgnoreError error = (IgnoreError) i.next();
      if (code.equals(error.getCode())) return true;
    }
    return false;
  }
 public Vector getIgnoreErrorCodes(Project project) {
   if (isReference()) {
     return getRef(project).getIgnoreErrorCodes(project);
   }
   Vector codes = new Vector();
   for (Iterator i = this.ignoreErrors.iterator(); i.hasNext(); ) {
     IgnoreError ignoreError = (IgnoreError) i.next();
     codes.add(ignoreError.getCode());
   }
   return codes;
 }