/*
* 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.checker;
import java.io.IOException;
import java.io.InputStream;
import java.sql.SQLException;
import org.dspace.core.Context;
import org.dspace.storage.bitstore.BitstreamStorageManager;
/**
* <p>
* Data Access Object for Bitstreams.
* </p>
*
* @author Jim Downing
* @author Grace Carpenter
* @author Nathan Sarr
*
*/
public class BitstreamDAO
{
/**
* Default Constructor
*/
public BitstreamDAO()
{
;
}
/**
* Retrieves the bitstream from the bitstore.
*
* @param id
* the bitstream id.
*
* @return Bitstream as an InputStream
*
* @throws IOException
* Rethrown from BitstreamStorageManager
* @throws SQLException
* Rethrown from BitstreamStorageManager
*
* @see org.dspace.storage.bitstore.BitstreamStorageManager#retrieve(Context,
* int)
*/
public InputStream getBitstream(int id) throws IOException, SQLException
{
Context context = null;
InputStream is = null;
try
{
context = new Context();
is = BitstreamStorageManager.retrieve(context, id);
}
finally
{
context.abort();
}
return is;
}
}