// robots.txt parser
        final Boolean robotsTxtEnabled = getInitParameter(ROBOTS_TXT_ENABLED_PROPERTY, Boolean.TRUE, Boolean.class);
        if (robotsTxtHelper != null) {
            robotsTxtHelper.setEnabled(robotsTxtEnabled);
        }

        // httpclient
        final org.apache.http.client.config.RequestConfig.Builder requestConfigBuilder = RequestConfig.custom();

    public boolean isEnabled() {
        return (getEnabled() != null) ? Boolean.parseBoolean(getEnabled()) : true;
    }

            ]]>
          </code>
        </codeSegment>
        <codeSegment>
          <version>4.0.0/4.0.99</version>
          <code>
            <![CDATA[
    public void setEnabled(boolean enabled) {
        setEnabled(String.valueOf(enabled));
    }

            ]]>