/**
    * This file Copyright (c) 2014-2015 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.dam.api;
  
  import info.magnolia.dam.api.metadata.AssetMetadata;
  import java.io.InputStream;
  import java.util.Calendar;
  
  /**
   * TODO : do we need this ? If so, maybe call it AssetWrapper to be consistent.
   * I suspect it is/was only needed because of StkAssetWrapper, and that specific wrapper might actually be wrapping a Rendition rather than an asset . . .
   */
  public abstract class AssetDecorator implements Asset {
  
      public static Asset unwrap(Asset asset) {
          while (asset instanceof AssetDecorator) {
              asset = ((AssetDecorator) asset).getDecorated();
          }
          return asset;
      }
  
      private final Asset decorated;
  
      protected AssetDecorator(Asset decorated) {
          this.decorated = decorated;
      }
  
      public Asset getDecorated() {
          return decorated;
      }
  
      @Override
      public ItemKey getItemKey() {
          return decorated.getItemKey();
      }
  
      @Override
      public AssetProvider getAssetProvider() {
          return decorated.getAssetProvider();
      }
  
      @Override
      public String getLink() {
          return decorated.getLink();
      }
  
      @Override
      public String getTitle() {
          return decorated.getTitle();
      }
  
      @Override
      public String getSubject() {
          return decorated.getSubject();
      }
  
      @Override
      public String getDescription() {
          return decorated.getDescription();
      }
  
      @Override
      public String getCaption() {
          return decorated.getCaption();
      }
  
      @Override
      public String getLanguage() {
         return decorated.getLanguage();
     }
 
     @Override
     public String getCopyright() {
         return decorated.getCopyright();
     }
 
     @Override
     public String getComment() {
         return decorated.getComment();
     }
 
     @Override
     public Calendar getCreated() {
         return decorated.getCreated();
     }
 
     @Override
     public Calendar getLastModified() {
         return decorated.getLastModified();
     }
 
     @Override
     public <M extends AssetMetadata> M getMetadata(Class<M> metaDataType) {
         return decorated.getMetadata(metaDataType);
     }
 
     @Override
     public String getMimeType() {
         return decorated.getMimeType();
     }
 
     @Override
     public long getFileSize() {
         return decorated.getFileSize();
     }
 
     @Override
     public InputStream getContentStream() {
         return decorated.getContentStream();
     }
 
     @Override
     public String getFileName() {
         return decorated.getFileName();
     }
 
     @Override
     public String getPath() {
         return decorated.getPath();
     }
 
     @Override
     public String getName() {
         return decorated.getName();
     }
 
     @Override
     public Folder getParent() {
         return decorated.getParent();
     }
 
     @Override
     public boolean isFolder() {
         return decorated.isFolder();
     }
 
     @Override
     public boolean isAsset() {
         return decorated.isAsset();
     }
 
     @Override
     public <M extends AssetMetadata> boolean supports(Class<M> metaDataType) {
         return decorated.supports(metaDataType);
     }
 }