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DSpace refactored service api
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KevinVdV
@@ -0,0 +1,243 @@
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/**
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* The contents of this file are subject to the license and copyright
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* detailed in the LICENSE and NOTICE files at the root of the source
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* tree and available online at
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*
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* http://www.dspace.org/license/
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*/
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package org.dspace.content;
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import java.io.IOException;
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import java.sql.SQLException;
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import java.util.List;
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import org.dspace.authorize.AuthorizeException;
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import org.dspace.content.factory.ContentServiceFactory;
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import org.dspace.content.service.CollectionService;
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import org.dspace.content.service.InstallItemService;
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import org.dspace.content.service.ItemService;
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import org.dspace.core.Constants;
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import org.dspace.core.Context;
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import org.dspace.embargo.service.EmbargoService;
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import org.dspace.event.Event;
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import org.dspace.identifier.IdentifierException;
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import org.dspace.identifier.service.IdentifierService;
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import org.springframework.beans.factory.annotation.Autowired;
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/**
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* Support to install an Item in the archive.
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*
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* @author dstuve
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* @version $Revision$
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*/
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public class InstallItemServiceImpl implements InstallItemService
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{
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@Autowired(required = true)
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protected ContentServiceFactory contentServiceFactory;
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@Autowired(required = true)
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protected CollectionService collectionService;
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@Autowired(required = true)
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protected EmbargoService embargoService;
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@Autowired(required = true)
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protected IdentifierService identifierService;
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@Autowired(required = true)
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protected ItemService itemService;
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@Override
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public Item installItem(Context c, InProgressSubmission is)
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throws SQLException, AuthorizeException
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{
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return installItem(c, is, null);
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}
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@Override
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public Item installItem(Context c, InProgressSubmission is,
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String suppliedHandle) throws SQLException,
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AuthorizeException
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{
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Item item = is.getItem();
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try {
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if(suppliedHandle == null)
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{
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identifierService.register(c, item);
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}else{
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identifierService.register(c, item, suppliedHandle);
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}
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} catch (IdentifierException e) {
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throw new RuntimeException("Can't create an Identifier!", e);
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}
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populateMetadata(c, item);
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return finishItem(c, item, is);
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}
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@Override
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public Item restoreItem(Context c, InProgressSubmission is,
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String suppliedHandle)
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throws SQLException, IOException, AuthorizeException
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{
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Item item = is.getItem();
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try {
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if(suppliedHandle == null)
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{
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identifierService.register(c, item);
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}else{
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identifierService.register(c, item, suppliedHandle);
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}
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} catch (IdentifierException e) {
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throw new RuntimeException("Can't create an Identifier!");
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}
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// Even though we are restoring an item it may not have the proper dates. So let's
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// double check its associated date(s)
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DCDate now = DCDate.getCurrent();
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// If the item doesn't have a date.accessioned, set it to today
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List<MetadataValue> dateAccessioned = itemService.getMetadata(item, MetadataSchema.DC_SCHEMA, "date", "accessioned", Item.ANY);
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if (dateAccessioned.size() == 0)
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{
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itemService.addMetadata(c, item, MetadataSchema.DC_SCHEMA, "date", "accessioned", null, now.toString());
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}
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// If issue date is set as "today" (literal string), then set it to current date
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// In the below loop, we temporarily clear all issued dates and re-add, one-by-one,
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// replacing "today" with today's date.
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// NOTE: As of DSpace 4.0, DSpace no longer sets an issue date by default
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List<MetadataValue> currentDateIssued = itemService.getMetadata(item, MetadataSchema.DC_SCHEMA, "date", "issued", Item.ANY);
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itemService.clearMetadata(c, item, MetadataSchema.DC_SCHEMA, "date", "issued", Item.ANY);
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for (MetadataValue dcv : currentDateIssued)
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{
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if(dcv.getValue()!=null && dcv.getValue().equalsIgnoreCase("today"))
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{
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DCDate issued = new DCDate(now.getYear(),now.getMonth(),now.getDay(),-1,-1,-1);
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itemService.addMetadata(c, item, dcv.getMetadataField(), dcv.getLanguage(), issued.toString());
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}
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else if(dcv.getValue()!=null)
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{
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itemService.addMetadata(c, item, dcv.getMetadataField(), dcv.getLanguage(), dcv.getValue());
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}
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}
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// Record that the item was restored
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String provDescription = "Restored into DSpace on "+ now + " (GMT).";
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itemService.addMetadata(c, item, MetadataSchema.DC_SCHEMA, "description", "provenance", "en", provDescription);
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return finishItem(c, item, is);
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}
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protected void populateMetadata(Context c, Item item)
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throws SQLException, AuthorizeException
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{
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// create accession date
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DCDate now = DCDate.getCurrent();
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itemService.addMetadata(c, item, MetadataSchema.DC_SCHEMA, "date", "accessioned", null, now.toString());
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// add date available if not under embargo, otherwise it will
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// be set when the embargo is lifted.
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// this will flush out fatal embargo metadata
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// problems before we set inArchive.
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if (embargoService.getEmbargoTermsAsDate(c, item) == null)
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{
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itemService.addMetadata(c, item, MetadataSchema.DC_SCHEMA, "date", "available", null, now.toString());
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}
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// If issue date is set as "today" (literal string), then set it to current date
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// In the below loop, we temporarily clear all issued dates and re-add, one-by-one,
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// replacing "today" with today's date.
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// NOTE: As of DSpace 4.0, DSpace no longer sets an issue date by default
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List<MetadataValue> currentDateIssued = itemService.getMetadata(item, MetadataSchema.DC_SCHEMA, "date", "issued", Item.ANY);
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itemService.clearMetadata(c, item, MetadataSchema.DC_SCHEMA, "date", "issued", Item.ANY);
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for (MetadataValue dcv : currentDateIssued)
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{
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if(dcv.getValue()!=null && dcv.getValue().equalsIgnoreCase("today"))
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{
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DCDate issued = new DCDate(now.getYear(),now.getMonth(),now.getDay(),-1,-1,-1);
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itemService.addMetadata(c, item, dcv.getMetadataField(), dcv.getLanguage(), issued.toString());
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}
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else if(dcv.getValue()!=null)
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{
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itemService.addMetadata(c, item, dcv.getMetadataField(), dcv.getLanguage(), dcv.getValue());
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}
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}
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String provDescription = "Made available in DSpace on " + now
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+ " (GMT). " + getBitstreamProvenanceMessage(c, item);
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// If an issue date was passed in and it wasn't set to "today" (literal string)
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// then note this previous issue date in provenance message
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if (currentDateIssued.size() != 0)
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{
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String previousDateIssued = currentDateIssued.get(0).getValue();
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if(previousDateIssued!=null && !previousDateIssued.equalsIgnoreCase("today"))
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{
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DCDate d = new DCDate(previousDateIssued);
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provDescription = provDescription + " Previous issue date: "
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+ d.toString();
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}
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}
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// Add provenance description
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itemService.addMetadata(c, item, MetadataSchema.DC_SCHEMA, "description", "provenance", "en", provDescription);
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}
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// final housekeeping when adding new Item to archive
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// common between installing and "restoring" items.
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protected Item finishItem(Context c, Item item, InProgressSubmission is)
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throws SQLException, AuthorizeException
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{
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// create collection2item mapping
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collectionService.addItem(c, is.getCollection(), item);
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// set owning collection
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item.setOwningCollection(is.getCollection());
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// set in_archive=true
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item.setArchived(true);
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// save changes ;-)
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itemService.update(c, item);
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// Notify interested parties of newly archived Item
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c.addEvent(new Event(Event.INSTALL, Constants.ITEM, item.getID(),
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item.getHandle(), itemService.getIdentifiers(c, item)));
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// remove in-progress submission
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contentServiceFactory.getInProgressSubmissionService(is).deleteWrapper(c, is);
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// remove the item's policies and replace them with
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// the defaults from the collection
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itemService.inheritCollectionDefaultPolicies(c, item, is.getCollection());
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// set embargo lift date and take away read access if indicated.
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embargoService.setEmbargo(c, item);
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return item;
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}
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@Override
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public String getBitstreamProvenanceMessage(Context context, Item myitem)
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throws SQLException
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{
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// Get non-internal format bitstreams
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List<Bitstream> bitstreams = itemService.getNonInternalBitstreams(context, myitem);
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// Create provenance description
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StringBuilder myMessage = new StringBuilder();
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myMessage.append("No. of bitstreams: ").append(bitstreams.size()).append("\n");
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// Add sizes and checksums of bitstreams
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for (Bitstream bitstream : bitstreams)
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{
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myMessage.append(bitstream.getName()).append(": ")
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.append(bitstream.getSize()).append(" bytes, checksum: ")
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.append(bitstream.getChecksum()).append(" (")
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.append(bitstream.getChecksumAlgorithm()).append(")\n");
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}
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return myMessage.toString();
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}
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}
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