/*
* ItemService.java
*
* Version: $Revision: 3761 $
*
* Date: $Date: 2009-05-07 04:18:02 +0000 (Thu, 07 May 2009) $
*
* Copyright (c) 2002-2009, The DSpace Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the DSpace Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
package org.dspace.content.service;
import org.dspace.content.dao.ItemDAO;
import org.dspace.content.dao.ItemDAOFactory;
import org.dspace.content.Bitstream;
import org.dspace.content.Thumbnail;
import org.dspace.core.Context;
import java.sql.SQLException;
public class ItemService
{
public static Thumbnail getThumbnail(Context context, int itemId, boolean requireOriginal) throws SQLException
{
ItemDAO dao = ItemDAOFactory.getInstance(context);
Bitstream thumbBitstream = null;
Bitstream primaryBitstream = dao.getPrimaryBitstream(itemId, "ORIGINAL");
if (primaryBitstream != null)
{
if (primaryBitstream.getFormat().getMIMEType().equals("text/html"))
return null;
thumbBitstream = dao.getNamedBitstream(itemId, "THUMBNAIL", primaryBitstream.getName() + ".jpg");
}
else
{
if (requireOriginal)
primaryBitstream = dao.getFirstBitstream(itemId, "ORIGINAL");
thumbBitstream = dao.getFirstBitstream(itemId, "THUMBNAIL");
}
if (thumbBitstream != null)
return new Thumbnail(thumbBitstream, primaryBitstream);
return null;
}
}