content: // ===============================================================================
  // Authors: AFRL/RQQD
  // Organization: Air Force Research Laboratory, Aerospace Systems Directorate, Power and Control Division
  // 
  // Copyright (c) 2017 Government of the United State of America, as represented by
  // the Secretary of the Air Force.  No copyright is claimed in the United States under
  // Title 17, U.S. Code.  All Other Rights Reserved.
  // ===============================================================================
  
  /*
   * Copyright (c) 2005 FlexDock Development Team. All rights reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy of
   * this software and associated documentation files (the "Software"), to deal in the
   * Software without restriction, including without limitation the rights to use,
   * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
   * to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
   * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
   * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
   * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
   * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE.
   */
  package org.flexdock.perspective.persist.xml;
  
  import java.util.ArrayList;
  
  import org.flexdock.perspective.Perspective;
  import org.flexdock.perspective.persist.PerspectiveModel;
  import org.w3c.dom.Document;
  import org.w3c.dom.Element;
  import org.w3c.dom.Node;
  import org.w3c.dom.NodeList;
  
  /**
   * Created on 2005-06-03
   *
   * @author <a href="mailto:mati@sz.home.pl">Mateusz Szczap</a>
   * @version $Id: PerspectiveModelSerializer.java,v 1.8 2005-07-06 18:10:48 winnetou25 Exp $
   */
  public class PerspectiveModelSerializer implements ISerializer {
  
      public Element serialize(Document document, Object object) {
          PerspectiveModel perspectiveModel = (PerspectiveModel) object;
  
          Element perspectiveModelElement = document.createElement(PersistenceConstants.PERSPECTIVE_MODEL_ELEMENT_NAME);
  
          perspectiveModelElement.setAttribute(PersistenceConstants.PERSPECTIVE_MODEL_ATTRIBUTE_CURRENT_PERSPECTIVE_ID, perspectiveModel.getCurrentPerspective());
          perspectiveModelElement.setAttribute(PersistenceConstants.PERSPECTIVE_MODEL_ATTRIBUTE_DEFAULT_PERSPECTIVE_ID, perspectiveModel.getDefaultPerspective());
  
          ISerializer perspectiveSerializer = SerializerRegistry.getSerializer(Perspective.class);
  
          Perspective[] perspectives = perspectiveModel.getPerspectives();
          for (int i = 0; i < perspectives.length; i++) {
              Perspective perspective = perspectives[i];
              Element perspectiveElement = perspectiveSerializer.serialize(document, perspective);
              perspectiveModelElement.appendChild(perspectiveElement);
          }
  
          return perspectiveModelElement;
      }
  
      public Object deserialize(Element element) {
          String currentPerspectiveId = element.getAttribute(PersistenceConstants.PERSPECTIVE_MODEL_ATTRIBUTE_CURRENT_PERSPECTIVE_ID);
          String defaultPerspectiveId = element.getAttribute(PersistenceConstants.PERSPECTIVE_MODEL_ATTRIBUTE_DEFAULT_PERSPECTIVE_ID);
  
          NodeList perspectivesList = element.getElementsByTagName(PersistenceConstants.PERSPECTIVE_ELEMENT_NAME);
          ISerializer perspectiveSerializer = SerializerRegistry.getSerializer(Perspective.class);
          ArrayList perspectives = new ArrayList();
          for (int i=0; i<perspectivesList.getLength(); i++) {
              Node node = perspectivesList.item(i);
              if (node instanceof Element) {
                  Element perspectiveElement = (Element) node;
                  Perspective perspective = (Perspective) perspectiveSerializer.deserialize(perspectiveElement);
                  perspectives.add(perspective);
              }
          }
  
          Perspective[] perspectivesArray = (Perspective[]) perspectives.toArray(new Perspective[perspectives.size()]);
          PerspectiveModel perspectiveModel = new PerspectiveModel(defaultPerspectiveId, currentPerspectiveId, perspectivesArray);
  
          return perspectiveModel;
      }
  
  }
  