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/***********************************************************************************************************************
 *
 * Mistral - open source imaging engine
 * Copyright (C) 2003-2011 by Tidalwave s.a.s.
 *
 ***********************************************************************************************************************
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations under the License.
 *
 ***********************************************************************************************************************
 *
 * WWW: http://mistral.tidalwave.it
 * SCM: https://kenai.com/hg/mistral~src
 *
 **********************************************************************************************************************/
package it.tidalwave.image;

import java.io.Serializable;


/*******************************************************************************
 *
 * @author  Fabrizio Giudici
 * @version $Id$
 *
 ******************************************************************************/
public abstract class ImageModelHolder implements Serializable
  {
    private static Class defaultClass = SerializableImageModelHolder.class;

    public abstract void set (ImageModel imageModel);

    public abstract ImageModel get ();

    public static void setDefault (Class defaultClass)
      {
        ImageModelHolder.defaultClass = defaultClass;
      }

    public void setNickName (final String nickName)
      {
        get().setNickName(nickName);
      }
    
    public String getNickName()
      {
        return get().getNickName();
      }
    
    public static ImageModelHolder wrap (ImageModel imageModel)
      {
        try
          {
//            System.err.println("Wrapping ImageModel into a " + defaultClass.getName());
            ImageModelHolder holder = defaultClass.newInstance();
            holder.set(imageModel);

            return holder;
          }
        catch (Exception e)
          {
            throw new RuntimeException(e);
          }
      }
    
    @Override
    public String toString()
      {
        
        final StringBuffer buffer = new StringBuffer(getClass().getName() + "[");
        final ImageModel model = get();
        buffer.append((model != null) ? model.getId() : "null");

        if (model != null) 
          {
            final String nickName = getNickName();

            if (nickName != null)
              {
                buffer.append(", " + nickName);
              }
          }
        
        buffer.append("]");
        
        return buffer.toString();
      }
  }