content: /*
   * Copyright 2002-2013 the original author or authors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.activejpa.examples.petclinic.web;
  
  import java.util.Collection;
  import java.util.Map;
  
  import javax.validation.Valid;
  
  import org.activejpa.examples.petclinic.model.Owner;
  import org.activejpa.examples.petclinic.service.ClinicService;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Controller;
  import org.springframework.ui.Model;
  import org.springframework.validation.BindingResult;
  import org.springframework.web.bind.WebDataBinder;
  import org.springframework.web.bind.annotation.InitBinder;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestMethod;
  import org.springframework.web.bind.annotation.SessionAttributes;
  import org.springframework.web.bind.support.SessionStatus;
  import org.springframework.web.servlet.ModelAndView;
  
  /**
   * @author Juergen Hoeller
   * @author Ken Krebs
   * @author Arjen Poutsma
   * @author Michael Isvy
   */
  @Controller
  @SessionAttributes(types = Owner.class)
  public class OwnerController {
  
      private final ClinicService clinicService;
  
  
      @Autowired
      public OwnerController(ClinicService clinicService) {
          this.clinicService = clinicService;
      }
  
      @InitBinder
      public void setAllowedFields(WebDataBinder dataBinder) {
          dataBinder.setDisallowedFields("id");
      }
  
      @RequestMapping(value = "/owners/new", method = RequestMethod.GET)
      public String initCreationForm(Map<String, Object> model) {
          Owner owner = new Owner();
          model.put("owner", owner);
          return "owners/createOrUpdateOwnerForm";
      }
  
      @RequestMapping(value = "/owners/new", method = RequestMethod.POST)
      public String processCreationForm(@Valid Owner owner, BindingResult result, SessionStatus status) {
          if (result.hasErrors()) {
              return "owners/createOrUpdateOwnerForm";
          } else {
              this.clinicService.saveOwner(owner);
              status.setComplete();
              return "redirect:/owners/" + owner.getId();
          }
      }
  
      @RequestMapping(value = "/owners/find", method = RequestMethod.GET)
      public String initFindForm(Map<String, Object> model) {
          model.put("owner", new Owner());
          return "owners/findOwners";
      }
  
      @RequestMapping(value = "/owners", method = RequestMethod.GET)
      public String processFindForm(Owner owner, BindingResult result, Map<String, Object> model) {
  
          // allow parameterless GET request for /owners to return all records
          if (owner.getLastName() == null) {
              owner.setLastName(""); // empty string signifies broadest possible search
          }
  
          // find owners by last name
          Collection<Owner> results = this.clinicService.findOwnerByLastName(owner.getLastName());
          if (results.size() < 1) {
              // no owners found
              result.rejectValue("lastName", "notFound", "not found");
              return "owners/findOwners";
          }
          if (results.size() > 1) {
              // multiple owners found
              model.put("selections", results);
              return "owners/ownersList";
          } else {
              // 1 owner found
              owner = results.iterator().next();
              return "redirect:/owners/" + owner.getId();
          }
      }
  
      @RequestMapping(value = "/owners/{ownerId}/edit", method = RequestMethod.GET)
      public String initUpdateOwnerForm(@PathVariable("ownerId") int ownerId, Model model) {
          Owner owner = this.clinicService.findOwnerById(ownerId);
          model.addAttribute(owner);
          return "owners/createOrUpdateOwnerForm";
      }
  
      @RequestMapping(value = "/owners/{ownerId}/edit", method = RequestMethod.PUT)
      public String processUpdateOwnerForm(@Valid Owner owner, BindingResult result, SessionStatus status) {
          if (result.hasErrors()) {
              return "owners/createOrUpdateOwnerForm";
          } else {
              this.clinicService.saveOwner(owner);
              status.setComplete();
              return "redirect:/owners/{ownerId}";
          }
      }
  
      /**
       * Custom handler for displaying an owner.
       *
       * @param ownerId the ID of the owner to display
       * @return a ModelMap with the model attributes for the view
       */
      @RequestMapping("/owners/{ownerId}")
      public ModelAndView showOwner(@PathVariable("ownerId") int ownerId) {
          ModelAndView mav = new ModelAndView("owners/ownerDetails");
          mav.addObject(this.clinicService.findOwnerById(ownerId));
          return mav;
      }
  
  }
  