/**
* The contents of this file are subject to the license and copyright
* detailed in the LICENSE and NOTICE files at the root of the source
* tree and available online at
*
* http://www.dspace.org/license/
*/
package org.dspace.sword;
import java.io.FileInputStream;
import org.purl.sword.base.Deposit;
import org.purl.sword.base.SWORDErrorException;
import org.dspace.content.Bitstream;
import org.dspace.content.BitstreamFormat;
import org.dspace.content.Bundle;
import org.dspace.content.DSpaceObject;
import org.dspace.content.Item;
import org.dspace.core.Context;
import org.dspace.authorize.AuthorizeException;
import java.sql.SQLException;
import java.io.IOException;
/**
* @author Richard Jones
*
* An implementation of the SWORDIngester interface for ingesting single
* files into a DSpace Item
*
*/
public class SimpleFileIngester implements SWORDIngester
{
/**
* Perform the ingest using the given deposit object onto the specified
* target DSpace object, using the SWORD service implementation.
*
* @param service
* @param deposit
* @param target
* @throws DSpaceSWORDException
* @throws SWORDErrorException
*/
public DepositResult ingest(SWORDService service, Deposit deposit, DSpaceObject target)
throws DSpaceSWORDException, SWORDErrorException
{
try
{
if (!(target instanceof Item))
{
throw new DSpaceSWORDException("SimpleFileIngester can only be loaded for deposit onto DSpace Items");
}
Item item = (Item) target;
// now set the sword service
SWORDService swordService = service;
// get the things out of the service that we need
Context context = swordService.getContext();
SWORDUrlManager urlManager = swordService.getUrlManager();
Bundle[] bundles = item.getBundles("ORIGINAL");
Bundle original;
if (bundles.length > 0)
{
original = bundles[0];
}
else
{
original = item.createBundle("ORIGINAL");
}
Bitstream bs;
FileInputStream fis = null;
try
{
fis = new FileInputStream(deposit.getFile());
bs = original.createBitstream(fis);
}
finally
{
if (fis != null)
{
fis.close();
}
}
String fn = swordService.getFilename(context, deposit, false);
bs.setName(fn);
swordService.message("File created in item with filename " + fn);
BitstreamFormat bf = BitstreamFormat.findByMIMEType(context, deposit.getContentType());
if (bf != null)
{
bs.setFormat(bf);
}
// to do the updates, we need to ignore authorisation in the context
boolean ignoreAuth = context.ignoreAuthorization();
context.setIgnoreAuthorization(true);
bs.update();
original.update();
item.update();
// reset the ignore authorisation
context.setIgnoreAuthorization(ignoreAuth);
DepositResult result = new DepositResult();
result.setHandle(urlManager.getBitstreamUrl(bs));
result.setTreatment(this.getTreatment());
result.setBitstream(bs);
return result;
}
catch (SQLException e)
{
throw new DSpaceSWORDException(e);
}
catch (AuthorizeException e)
{
throw new DSpaceSWORDException(e);
}
catch (IOException e)
{
throw new DSpaceSWORDException(e);
}
}
/**
* Get the description of the treatment this class provides to the deposit
*
* @return
*/
private String getTreatment()
{
return "The file has been attached to the specified item";
}
}