/*
* METSCrosswalk.java
*
* Version: $Revision: 3705 $
*
* Date: $Date: 2009-04-11 17:02:24 +0000 (Sat, 11 Apr 2009) $
*
* Copyright (c) 2002-2005, Hewlett-Packard Company and Massachusetts
* Institute of Technology. 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 Hewlett-Packard Company nor the name of the
* Massachusetts Institute of Technology nor the names of their
* 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.oai;
import java.io.ByteArrayOutputStream;
import java.util.Properties;
import org.dspace.app.mets.METSExport;
import org.dspace.search.HarvestedItemInfo;
import ORG.oclc.oai.server.crosswalk.Crosswalk;
import ORG.oclc.oai.server.verb.CannotDisseminateFormatException;
/**
* OAICat crosswalk to allow METS to be harvested.
*
* No security or privacy measures in place.
*
* @author Li XiaoYu (Rita)
* @author Robert Tansley
*/
public class METSCrosswalk extends Crosswalk
{
public METSCrosswalk(Properties properties)
{
super(
"http://www.loc.gov/METS/ http://www.loc.gov/standards/mets/mets.xsd");
}
public boolean isAvailableFor(Object nativeItem)
{
// We have METS for everything
return true;
}
public String createMetadata(Object nativeItem)
throws CannotDisseminateFormatException
{
HarvestedItemInfo hii = (HarvestedItemInfo) nativeItem;
try
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
METSExport.writeMETS(hii.context, hii.item, baos, true);
// FIXME: Nasty hack to remove <?xml...?> header that METS toolkit
// puts there. Hopefully the METS toolkit itself can be updated
// to fix this
String fullXML = baos.toString("UTF-8");
String head = "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n";
int pos = fullXML.indexOf(head);
if (pos != -1)
{
fullXML = fullXML.substring(pos + head.length());
}
return fullXML;
}
catch (Exception e)
{
e.printStackTrace();
return null;
}
}
}