code: public Integer get(String name) throws IOException {
          if (name.equalsIgnoreCase(REQUIRE)) {
              return new Integer(require);
          } else if (name.equalsIgnoreCase(INHIBIT)) {
              return new Integer(inhibit);
          } else {
            throw new IOException("Attribute name not recognized by " +
                                  "CertAttrSet:PolicyConstraints.");
          }
      }
docs: Get the attribute value.