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OAI: add support to extract embargo from bitstreams and expose it in OAI metadata

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This commit is contained in:
Agustina Martinez
2023-06-28 19:10:37 +01:00
parent a533704a27
commit db81d758a9
2 changed files with 37 additions and 0 deletions
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32
dspace-oai/src/main/java/org/dspace/xoai/util/ItemUtils.java
View File

@@ -11,6 +11,8 @@ import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql.SQLException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import com.lyncode.xoai.dataprovider.xml.xoai.Element;
@@ -21,6 +23,9 @@ import org.apache.logging.log4j.Logger;
import org.dspace.app.util.factory.UtilServiceFactory;
import org.dspace.app.util.service.MetadataExposureService;
import org.dspace.authorize.AuthorizeException;
import org.dspace.authorize.ResourcePolicy;
import org.dspace.authorize.factory.AuthorizeServiceFactory;
import org.dspace.authorize.service.AuthorizeService;
import org.dspace.content.Bitstream;
import org.dspace.content.Bundle;
import org.dspace.content.Item;
@@ -34,6 +39,9 @@ import org.dspace.content.service.RelationshipService;
import org.dspace.core.Constants;
import org.dspace.core.Context;
import org.dspace.core.Utils;
import org.dspace.eperson.Group;
import org.dspace.eperson.factory.EPersonServiceFactory;
import org.dspace.eperson.service.GroupService;
import org.dspace.services.ConfigurationService;
import org.dspace.services.factory.DSpaceServicesFactory;
import org.dspace.xoai.data.DSpaceItem;
@@ -57,6 +65,9 @@ public class ItemUtils {
private static final BitstreamService bitstreamService
= ContentServiceFactory.getInstance().getBitstreamService();
private static final AuthorizeService authorizeService =
AuthorizeServiceFactory.getInstance().getAuthorizeService();
private static final ConfigurationService configurationService
= DSpaceServicesFactory.getInstance().getConfigurationService();
/**
@@ -136,6 +147,9 @@ public class ItemUtils {
if (description != null) {
bitstream.getField().add(createValue("description", description));
}
// Add bitstream embargo information (READ policy present, for Anonymous group with a start date)
addEmbargoField(context, bit, bitstream);
bitstream.getField().add(createValue("format", bit.getFormat(context).getMIMEType()));
bitstream.getField().add(createValue("size", "" + bit.getSizeBytes()));
bitstream.getField().add(createValue("url", url));
@@ -148,6 +162,24 @@ public class ItemUtils {
return bundles;
}
private static void addEmbargoField(Context context, Bitstream bit, Element bitstream) throws SQLException {
GroupService groupService = EPersonServiceFactory.getInstance().getGroupService();
Group anonymousGroup = groupService.findByName(context, Group.ANONYMOUS);
List<ResourcePolicy> policies = authorizeService.findPoliciesByDSOAndType(context, bit, ResourcePolicy.TYPE_CUSTOM);
for (ResourcePolicy policy : policies) {
if (policy.getGroup() == anonymousGroup && policy.getAction() == Constants.READ) {
Date startDate = policies.get(0).getStartDate();
if (startDate != null && startDate.after(new Date())) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
bitstream.getField().add(
createValue("embargo", formatter.format(startDate)));
}
}
}
}
private static Element createLicenseElement(Context context, Item item)
throws SQLException, AuthorizeException, IOException {
Element license = create("license");

5
dspace/config/crosswalks/oai/metadataFormats/uketd_dc.xsl
View File

@@ -123,6 +123,11 @@
<xsl:for-each select="doc:element[@name='bitstreams']/doc:element">
<dc:identifier xsi:type="dcterms:URI"><xsl:value-of select="doc:field[@name='url']/text()" /></dc:identifier>
<uketdterms:checksum xsi:type="uketdterms:MD5"><xsl:value-of select="doc:field[@name='checksum']/text()" /></uketdterms:checksum>
<!-- Add embargo information -->
<xsl:if test="ancestor::*/doc:field[@name='name']/text() = 'ORIGINAL'
and doc:field[@name='embargo']/text()">
<uketdterms:embargodate><xsl:value-of select="doc:field[@name='embargo']/text()" /></uketdterms:embargodate>
</xsl:if>
</xsl:for-each>
</xsl:if>