/**
    * Copyright 2005-2016 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.rice.krad.labs.parameter;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.coreservice.api.CoreServiceApiServiceLocator;
  import org.kuali.rice.coreservice.api.parameter.Parameter;
  import org.kuali.rice.coreservice.api.parameter.ParameterKey;
  import org.kuali.rice.krad.util.KRADConstants;
  import org.kuali.rice.krad.web.controller.UifControllerBase;
  import org.kuali.rice.krad.web.form.UifFormBase;
  import org.springframework.stereotype.Controller;
  import org.springframework.web.bind.annotation.ModelAttribute;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.servlet.ModelAndView;
  
  /**
   * Controller for the Parameter utility.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  @Controller
  @RequestMapping(value = "/parameter")
  public class ParameterController extends UifControllerBase {
  
      @Override
      protected ParameterForm createInitialForm() {
          return new ParameterForm();
      }
  
      @RequestMapping(params = "methodToCall=update")
      public ModelAndView update(@ModelAttribute("KualiForm") UifFormBase form) {
          ParameterForm parameterForm = (ParameterForm) form;
  
          String applicationId = KRADConstants.DEFAULT_PARAMETER_APPLICATION_ID;
          String namespaceCode = parameterForm.getNamespaceCode();
          String componentCode = parameterForm.getComponentCode();
          String parameterName = parameterForm.getParameterName();
  
          Parameter parameter = null;
  
          if (StringUtils.isNotBlank(applicationId) && StringUtils.isNotBlank(namespaceCode)
              && StringUtils.isNotBlank(componentCode) && StringUtils.isNotBlank(parameterName)) {
              ParameterKey key = ParameterKey.create(applicationId, namespaceCode, componentCode, parameterName);
              parameter = CoreServiceApiServiceLocator.getParameterRepositoryService().getParameter(key);
          }
  
          if (parameter != null) {
              Parameter.Builder builder = Parameter.Builder.create(parameter);
              builder.setValue(parameterForm.getParameterValue());
  
              CoreServiceApiServiceLocator.getParameterRepositoryService().updateParameter(builder.build());
          }
  
          return getModelAndView(form);
      }
  }