</example>
  </function>

  <function>
    <description>
      Returns a hidden form for Geo.
    </description>
    <name>geoForm</name>
    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>java.lang.String geoForm()</function-signature>
    <example>
      ${fe:geoForm()}
    </example>
  </function>

  <function>
    <description>

     * Generates hidden HTML form fields for geographic filtering.
     *
     * @return HTML string containing hidden input fields for geographic parameters
     */
    public static String geoForm() {
        return createForm(Constants.GEO_FORM, GEO_PREFIX);
    }

    /**
     * Retrieves the list of facet query view objects for display.
     *
     * @return list of FacetQueryView objects
     */

    /** View parameter for facet form data. */
    public static final String FACET_FORM = "fess.FacetForm";

    /** View parameter for geo form data. */
    public static final String GEO_FORM = "fess.GeoForm";

    /** View parameter for label value mapping. */
    public static final String LABEL_VALUE_MAP = "fess.LabelValueMap";

    /** Query parameter name for main search query. */

 * or search results. This form captures the necessary parameters for document
 * access tracking and error page fallback information.
 *
 */
public class GoForm {

    /**
     * Default constructor for GoForm.
     */
    public GoForm() {
        super();
    }

    /**
     * Document identifier for the target document to redirect to.
     * This is required and limited to 100 characters.
     */

     * @return action response for redirection or content streaming
     * @throws IOException if an I/O error occurs during content retrieval
     */
    @Execute
    public ActionResponse index(final GoForm form) throws IOException {
        validate(form, messages -> {}, () -> asHtml(virtualHost(path_Error_ErrorJsp)));
        if (isLoginRequired()) {
            return redirectToLogin();
        }

    protected void buildInitParams() {
        buildInitParamMap(viewHelper.getInitFacetParamMap(), Constants.FACET_QUERY, Constants.FACET_FORM);
        buildInitParamMap(viewHelper.getInitGeoParamMap(), Constants.GEO_QUERY, Constants.GEO_FORM);
    }

    /**
     * Builds parameter maps for search initialization, creating both query strings
     * and form inputs for the given parameters.
     *
     * @param paramMap the parameter map to process