/**
    * This file Copyright (c) 2015 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.jcr.decoration;
  
  import java.util.ArrayList;
  import java.util.Calendar;
  
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  import javax.jcr.version.Version;
  import javax.jcr.version.VersionHistory;
  
  /**
   * Version wrapper that applies wrappers and filtering by delegating to a {@link ContentDecorator}.
   */
  public class ContentDecoratorVersionWrapper extends ContentDecoratorNodeWrapper implements Version {
  
      public ContentDecoratorVersionWrapper(Version version, ContentDecorator contentDecorator) {
          super(version, contentDecorator);
      }
  
      public Version getWrappedVersion() {
          return (Version) this.wrapped;
      }
  
      @Override
      public void setWrappedNode(Node node) {
          this.wrapped = node;
      }
  
      @Override
      public VersionHistory getContainingHistory() throws RepositoryException {
          return getWrappedVersion().getContainingHistory();
      }
  
      @Override
      public Calendar getCreated() throws RepositoryException {
          return getWrappedVersion().getCreated();
      }
  
      @Override
      public Version getLinearSuccessor() throws RepositoryException {
          Version linearSuccessor = getWrappedVersion().getLinearSuccessor();
          return linearSuccessor != null ? wrapVersion(linearSuccessor) : null;
      }
  
      @Override
      public Version[] getSuccessors() throws RepositoryException {
          return wrapVersions(getWrappedVersion().getSuccessors()) ;
      }
  
      @Override
      public Version getLinearPredecessor() throws RepositoryException {
          Version linearPredecessor = getWrappedVersion().getLinearPredecessor();
          return linearPredecessor != null ? wrapVersion(linearPredecessor) : null;
      }
  
      @Override
      public Version[] getPredecessors() throws RepositoryException {
          return wrapVersions(getWrappedVersion().getPredecessors());
      }
  
      @Override
      public Node getFrozenNode() throws RepositoryException {
          return wrapNode(getWrappedVersion().getFrozenNode());
      }
  
      protected Version[] wrapVersions(Version[] versions) throws RepositoryException{
         ArrayList<Version> wrappedVersions = new ArrayList<Version>();
         for (Version version: versions) {
             Version wrappedVersion = wrapVersion(version);
             wrappedVersions.add(wrappedVersion);
         }
         return wrappedVersions.toArray(new Version[wrappedVersions.size()]);
     }
 }