code: @Override
      public boolean isSecure() {
          boolean secure = (null != this.connection.getSSLContext());
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
              Tr.debug(tc, "isSecure: " + secure);
          }
          return secure;
      }
docs: /*
  @see javax.servlet.ServletRequest#isSecure()