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 java.util.Collections;
  import java.util.List;
  import java.util.Optional;
  
  import javax.inject.Inject;
  
  import org.n52.iceland.exception.ows.concrete.NoImplementationFoundException;
  import org.n52.shetland.ogc.ows.exception.OwsExceptionReport;
  import org.n52.sos.cache.SosContentCache;
  import org.n52.sos.ds.RenameDAO;
  import org.n52.sos.exception.AlreadyUsedIdentifierException;
  import org.n52.sos.exception.NoSuchObservablePropertyException;
  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.RequestParam;
  import org.springframework.web.bind.annotation.ResponseBody;
  import org.springframework.web.bind.annotation.ResponseStatus;
  import org.springframework.web.servlet.ModelAndView;
  
  import com.google.common.collect.Lists;
  
  /**
   * @author <a href="mailto:c.autermann@52north.org">Christian Autermann</a>
   */
  @Controller
  @RequestMapping(ControllerConstants.Paths.ADMIN_RENAME_OBSERVABLE_PROPERTIES)
  public class AdminRenameObservablePropertyController extends AbstractAdminController {
      public static final String OLD_IDENTIFIER_REQUEST_PARAM = "old";
      public static final String NEW_IDENTIFIER_REQUEST_PARAM = "new";
      private static final Logger log = LoggerFactory.getLogger(AdminRenameObservablePropertyController.class);
  
      @Inject
      private Optional<RenameDAO> dao;
  
      @RequestMapping(method = RequestMethod.GET)
      public ModelAndView view() {
          SosContentCache cache = getCache();
          List<String> observableProperties = Lists.newArrayList(cache.getObservableProperties());
          Collections.sort(observableProperties);
          return new ModelAndView(ControllerConstants.Views.ADMIN_RENAME_OBSERVABLE_PROPERTIES,
                                  "observableProperties", observableProperties);
      }
  
  
  
      @ResponseStatus(HttpStatus.NO_CONTENT)
      @RequestMapping(method = RequestMethod.POST)
      public void change(@RequestParam(OLD_IDENTIFIER_REQUEST_PARAM) String oldName,
                         @RequestParam(NEW_IDENTIFIER_REQUEST_PARAM) String newName)
              throws NoSuchObservablePropertyException, NoImplementationFoundException,
                     AlreadyUsedIdentifierException, OwsExceptionReport {
          log.info("Changing observable property: {} -> {}", oldName, newName);
          SosContentCache cache = getCache();
          if (!cache.hasObservableProperty(oldName)) {
              throw new NoSuchObservablePropertyException(oldName);
          }
          if (cache.hasObservableProperty(newName)) {
              throw new AlreadyUsedIdentifierException(newName);
          }
          if (!this.dao.isPresent()) {
              throw new NoImplementationFoundException(RenameDAO.class);
          }
          this.dao.get().renameObservableProperty(oldName, newName);
          updateCache();
      }
  
      @ResponseBody
      @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
      @ExceptionHandler(NoImplementationFoundException.class)
      public String onError(NoImplementationFoundException e) {
          return String.format("No RenameDAO implementation found!");
      }
  
      @ResponseBody
      @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
      @ExceptionHandler(OwsExceptionReport.class)
      public String onError(OwsExceptionReport e) {
          return e.getMessage();
      }
  
      @ResponseBody
      @ResponseStatus(HttpStatus.BAD_REQUEST)
      @ExceptionHandler(AlreadyUsedIdentifierException.class)
      public String onError(AlreadyUsedIdentifierException e) {
          return String.format("The identifier %s is already assigned!", e.getIdentifier());
      }
  
      @ResponseBody
      @ResponseStatus(HttpStatus.BAD_REQUEST)
      @ExceptionHandler(NoSuchObservablePropertyException.class)
      public String onError(NoSuchObservablePropertyException e) {
          return String.format("The identifier %s is not assigned!", e.getIdentifier());
      }
  
  
  }
  