code: public Object get(String name) throws IOException {
          if (name.equalsIgnoreCase(IS_CA)) {
              return (Boolean.valueOf(ca));
          } else if (name.equalsIgnoreCase(PATH_LEN)) {
              return (Integer.valueOf(pathLen));
          } else {
            throw new IOException("Attribute name not recognized by " +
                                  "CertAttrSet:BasicConstraints.");
          }
      }
docs: Get the attribute value.