/*
* DeleteBitstreamsAction.java
*
* Version: $Revision: 3984 $
*
* Date: $Date: 2009-06-29 22:33:25 -0400 (Mon, 29 Jun 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.app.itemupdate;
import java.io.File;
import java.io.IOException;
import java.sql.SQLException;
import java.text.ParseException;
import java.util.List;
import org.dspace.authorize.AuthorizeException;
import org.dspace.content.Bitstream;
import org.dspace.content.Bundle;
import org.dspace.content.DCDate;
import org.dspace.content.Item;
import org.dspace.core.Context;
/**
* Action to delete bitstreams
*
* Undo not supported for this UpdateAction
*
* Derivatives of the bitstream to be deleted are not also deleted
*
*/
public class DeleteBitstreamsAction extends UpdateBitstreamsAction
{
/**
* Delete bitstream from item
*
* @param context
* @param ItemArchive
* @param isTest
* @param suppressUndo
* @throws IllegalArgumentException
* @throws ParseException
* @throws IOException
* @throws AuthorizeException
* @throws SQLException
*/
public void execute(Context context, ItemArchive itarch, boolean isTest, boolean suppressUndo)
throws IllegalArgumentException, IOException, SQLException, AuthorizeException, ParseException
{
File f = new File(itarch.getDirectory(), ItemUpdate.DELETE_CONTENTS_FILE);
if (!f.exists())
{
ItemUpdate.pr("Warning: Delete_contents file for item " + itarch.getDirectoryName() + " not found.");
}
else
{
List<Integer> list = MetadataUtilities.readDeleteContentsFile(f);
if (list.isEmpty())
{
ItemUpdate.pr("Warning: empty delete_contents file for item " + itarch.getDirectoryName() );
}
else
{
for (int id : list)
{
try
{
Bitstream bs = Bitstream.find(context, id);
if (bs == null)
{
ItemUpdate.pr("Bitstream not found by id: " + id);
}
else
{
Bundle[] bundles = bs.getBundles();
for (Bundle b : bundles)
{
if (isTest)
{
ItemUpdate.pr("Delete bitstream with id = " + id);
}
else
{
b.removeBitstream(bs);
ItemUpdate.pr("Deleted bitstream with id = " + id);
}
}
if (alterProvenance)
{
DtoMetadata dtom = DtoMetadata.create("dc.description.provenance", "en", "");
String append = "Bitstream " + bs.getName() + " deleted on " + DCDate.getCurrent() + "; ";
Item item = bundles[0].getItems()[0];
ItemUpdate.pr("Append provenance with: " + append);
if (!isTest)
{
MetadataUtilities.appendMetadata(item, dtom, false, append);
}
}
}
}
catch(SQLException e)
{
ItemUpdate.pr("Error finding bitstream from id: " + id + " : " + e.toString());
}
}
}
}
}
}