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 org.flexdock.perspective.Layout;
  import org.flexdock.perspective.LayoutSequence;
  import org.flexdock.perspective.Perspective;
  import org.w3c.dom.Document;
  import org.w3c.dom.Element;
  import org.w3c.dom.NodeList;
  
  /**
   * Created on 2005-06-03
   *
   * @author <a href="mailto:mati@sz.home.pl">Mateusz Szczap</a>
   * @version $Id: PerspectiveSerializer.java,v 1.9 2006-12-20 20:55:21 kschaefe Exp $
   */
  public class PerspectiveSerializer implements ISerializer {
  
      /**
       * {@inheritDoc}
       */
      public Element serialize(Document document, Object object) {
          Perspective perspective = (Perspective) object;
  
          Element perspectiveElement = document.createElement(PersistenceConstants.PERSPECTIVE_ELEMENT_NAME);
          perspectiveElement.setAttribute(PersistenceConstants.PERSPECTIVE_ATTRIBUTE_ID, perspective.getPersistentId());
          perspectiveElement.setAttribute(PersistenceConstants.PERSPECTIVE_ATTRIBUTE_NAME, perspective.getName());
  
          ISerializer layoutSerializer = SerializerRegistry.getSerializer(Layout.class);
          Element layoutElement = layoutSerializer.serialize(document, perspective.getLayout());
  
          perspectiveElement.appendChild(layoutElement);
  
          ISerializer layoutSequenceSerializer = SerializerRegistry.getSerializer(LayoutSequence.class);
          if (perspective.getInitialSequence() != null) {
              Element layoutSequenceElement = layoutSequenceSerializer.serialize(document, perspective.getInitialSequence());
              perspectiveElement.appendChild(layoutSequenceElement);
          }
  
          return perspectiveElement;
      }
  
      /**
       * {@inheritDoc}
       */
      public Object deserialize(Element element) {
          String perspectiveId = element.getAttribute(PersistenceConstants.PERSPECTIVE_ATTRIBUTE_ID);
          String perspectiveName = element.getAttribute(PersistenceConstants.PERSPECTIVE_ATTRIBUTE_NAME);
  
          Perspective perspective = new Perspective(perspectiveId, perspectiveName);
  
          NodeList layoutNodeList = element.getElementsByTagName(PersistenceConstants.LAYOUT_ELEMENT_NAME);
          ISerializer layoutSerializer = SerializerRegistry.getSerializer(Layout.class);
          if (layoutNodeList.getLength() > 0 && layoutNodeList.item(0) instanceof Element) {
              Element layoutElement = (Element) layoutNodeList.item(0);
              Layout layout = (Layout) layoutSerializer.deserialize(layoutElement);
              perspective.setLayout(layout);
          }
  
          NodeList layoutSequenceNodeList = element.getElementsByTagName(PersistenceConstants.LAYOUT_SEQUENCE_ELEMENT_NAME);
          ISerializer layoutSequenceSerializer = SerializerRegistry.getSerializer(LayoutSequence.class);
          if (layoutSequenceNodeList.getLength() > 0 && layoutSequenceNodeList.item(0) instanceof Element) {
              Element layoutSequenceElement = (Element) layoutSequenceNodeList.item(0);
              LayoutSequence layoutSequence = (LayoutSequence) layoutSequenceSerializer.deserialize(layoutSequenceElement);
              perspective.setInitialSequence(layoutSequence);
          }
  
          return perspective;
      }
  
  }
  