content: /*
   * Copyright (C) 2012-2023 52°North Spatial Information Research GmbH
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 as published
   * by the Free Software Foundation.
   *
   * If the program is linked with libraries which are licensed under one of
   * the following licenses, the combination of the program with the linked
   * library is not considered a "derivative work" of the program:
   *
   *     - Apache License, version 2.0
   *     - Apache Software License, version 1.0
   *     - GNU Lesser General Public License, version 3
   *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
   *     - Common Development and Distribution License (CDDL), version 1.0
   *
   * Therefore the distribution of the program linked with libraries licensed
   * under the aforementioned licenses, is permitted by the copyright holders
   * if the distribution is compliant with both the GNU General Public
   * License version 2 and the aforementioned licenses.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
   * Public License for more details.
   */
  package org.n52.sos.web.admin;
  
  import javax.servlet.UnavailableException;
  
  import org.n52.iceland.exception.JSONException;
  import org.n52.janmayen.Json;
  import org.n52.shetland.ogc.ows.exception.CompositeOwsException;
  import org.n52.shetland.ogc.ows.exception.OwsExceptionReport;
  import org.n52.sos.web.common.ControllerConstants;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.http.HttpStatus;
  import org.springframework.stereotype.Controller;
  import org.springframework.web.bind.annotation.ExceptionHandler;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestMethod;
  import org.springframework.web.bind.annotation.ResponseBody;
  import org.springframework.web.bind.annotation.ResponseStatus;
  
  /**
   * @since 4.0.0
   *
   */
  @Controller
  public class AdminReloadCacheController extends AbstractAdminController {
      private static final Logger LOG = LoggerFactory.getLogger(AdminReloadCacheController.class);
  
      @RequestMapping(value = ControllerConstants.Paths.ADMIN_RELOAD_CAPABILITIES_CACHE, method = RequestMethod.POST)
      @ResponseStatus(HttpStatus.NO_CONTENT)
      public void reload() throws OwsExceptionReport, UnavailableException {
          if (!cacheIsLoading()) {
              LOG.debug("Reloading Capabilitities Cache");
              updateCache();
          }
          // TODO display other message here because the WebUI is displaying
          // information about successful cache update start but nothing is
          // happening
      }
  
      @ResponseBody
      @RequestMapping(value = ControllerConstants.Paths.ADMIN_CACHE_LOADING,
                      method = RequestMethod.GET,
                      produces = "application/json; charset=UTF-8")
      public String getCacheLoadingStatus() throws JSONException, UnavailableException {
          return Json.print(Json.nodeFactory().objectNode().put("loading", cacheIsLoading()));
      }
  
      @ResponseBody
      @ExceptionHandler(CompositeOwsException.class)
      @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
      public String errorWhileRefreshing(CompositeOwsException e) {
          return e.getMessage();
      }
  
      @ResponseBody
      @ExceptionHandler(UnavailableException.class)
      @ResponseStatus(HttpStatus.SERVICE_UNAVAILABLE)
      public String noConfigurator(UnavailableException e) {
          return e.getMessage();
      }
  }
  