/*

  * Copyright 2011 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 1.0 (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/ecl1.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.uif.authorization;

 import java.util.Set;

 import org.kuali.rice.krad.bo.Exporter;

 import org.kuali.rice.krad.datadictionary.DataObjectEntry;

 import org.kuali.rice.krad.service.KRADServiceLocatorWeb;

 import org.kuali.rice.krad.uif.container.InquiryView;

 import org.kuali.rice.krad.util.KRADConstants;

 import org.kuali.rice.krad.web.form.UifFormBase;

 /**

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class InquiryPresentationControllerBase extends PresentationControllerBase {

     /**

      * Prepares a list of action flags applicable for a inquiry

      *

      * @see org.kuali.rice.krad.uif.authorization.PresentationControllerBase#getActionFlags(org.kuali.rice.krad.web.spring.form.UifFormBase)

      */

     @Override

     public Set<String> getActionFlags(UifFormBase model) {

         Set<String> actionFlags = super.getActionFlags(model);

         if (isExportSupported((InquiryView) model.getView())) {

             actionFlags.add(KRADConstants.KUALI_ACTION_CAN_EXPORT);

         }

         return actionFlags;

     }

     /**

      * Examines the dataobjects's data dictionary entry to determine if it supports XML export or not

      *

      * @return boolean true if it supports export, false if not

      */

     protected boolean isExportSupported(InquiryView view) {

         DataObjectEntry dataObjectEntry = KRADServiceLocatorWeb.getDataDictionaryService().getDataDictionary()

                 .getDataObjectEntry(view.getDataObjectClassName().getName());

         Class<? extends Exporter> exporterClass = dataObjectEntry.getExporterClass();

         if (exporterClass != null) {

             try {

                 Exporter exporter = exporterClass.newInstance();

                 if (exporter.getSupportedFormats(dataObjectEntry.getDataObjectClass())

                         .contains(KRADConstants.XML_FORMAT)) {

                     return true;

                 }

             } catch (Exception e) {

                 throw new RuntimeException("Failed to locate or create exporter class: " + exporterClass);

             }

         }

         return false;

     }

 }