/*
    * The Kuali Financial System, a comprehensive financial management system for higher education.
    * 
    * Copyright 2005-2014 The Kuali Foundation
    * 
    * This program is free software: you can redistribute it and/or modify
    * it under the terms of the GNU Affero General Public License as
    * published by the Free Software Foundation, either version 3 of the
    * License, or (at your option) any later version.
   * 
   * 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 Affero General Public License for more details.
   * 
   * You should have received a copy of the GNU Affero General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  package org.kuali.rice.kim.api.jaxb;
  
  import javax.xml.bind.MarshalException;
  import javax.xml.bind.UnmarshalException;
  import javax.xml.bind.annotation.adapters.NormalizedStringAdapter;
  import javax.xml.bind.annotation.adapters.XmlAdapter;
  
  import org.kuali.rice.core.util.jaxb.NameAndNamespacePair;
  import org.kuali.rice.kim.api.common.template.Template;
  import org.kuali.rice.kim.api.services.KimApiServiceLocator;
  
  /**
   * An XML adapter that converts between a NameAndNamespacePair and a permission template ID.
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class NameAndNamespacePairToPermTemplateIdAdapter extends XmlAdapter<NameAndNamespacePair,String> {
  
      /**
       * @see javax.xml.bind.annotation.adapters.XmlAdapter#unmarshal(java.lang.Object)
       */
      @Override
      public String unmarshal(NameAndNamespacePair v) throws Exception {
          if (v != null) {
              Template permissionTemplate = KimApiServiceLocator.getPermissionService().findPermTemplateByNamespaceCodeAndName(
                      v.getNamespaceCode(), new NormalizedStringAdapter().unmarshal(v.getName()));
              if (permissionTemplate == null) {
                  throw new UnmarshalException("Cannot find permission template with namespace \"" + v.getNamespaceCode() + "\" and name \"" + v.getName() + "\"");
              }
              return permissionTemplate.getId();
          }
          return null;
      }
  
      /**
       * @see javax.xml.bind.annotation.adapters.XmlAdapter#marshal(java.lang.Object)
       */
      @Override
      public NameAndNamespacePair marshal(String v) throws Exception {
          if (v != null) {
              Template permissionTemplate = KimApiServiceLocator.getPermissionService().getPermissionTemplate(v);
              if (permissionTemplate == null) {
                  throw new MarshalException("Cannot find permission template with ID \"" + v + "\"");
              }
              return new NameAndNamespacePair(permissionTemplate.getNamespaceCode(), permissionTemplate.getName());
          }
          return null;
      }
  
  }