Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
org.dspace.autoversioning.AutoVersioningUtil Maven / Gradle / Ivy
/**
* 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.autoversioning;
import org.apache.log4j.Logger;
import org.dspace.content.Bitstream;
import org.dspace.content.BitstreamFormat;
import org.dspace.content.BitstreamUtil;
import org.dspace.content.OREManifestWriter;
import org.dspace.core.Context;
import org.dspace.storage.rdbms.DatabaseManager;
import org.dspace.storage.rdbms.TableRow;
import org.dspace.utils.DSpace;
import org.dspace.versioning.VersioningService;
import java.sql.SQLException;
/**
* Created by mdiggory on 10/13/14.
*/
public class AutoVersioningUtil {
/** log4j category */
private static Logger log = Logger.getLogger(AutoVersioningUtil.class);
public static String tableName = "versionitem";
public static String mapTableName = "Version2Bitstream";
public static String TYPE_ORE = "ore";
public static String TYPE_AIP = "aip";
public static String TYPE_CON = "content";
public static String getFormat(Bitstream bitstream)
{
BitstreamFormat format = bitstream.getFormat();
String formatId = format.getMIMEType();
if(format.getShortDescription().equals(OREManifestWriter.ORE.NS))
formatId = OREManifestWriter.ORE.NS;
else if(format.getShortDescription().equals("http://www.loc.gov/METS/"))
formatId = "http://www.loc.gov/METS/";
return formatId;
}
public static String getPid(Context context, Bitstream bitstream) throws SQLException {
return "uuid:" + BitstreamUtil.getUuid(context, bitstream);
}
public static Bitstream getObsoletedBy(Context c, Bitstream b) {
AutoVersioningService versioningService = (AutoVersioningService) new DSpace().getSingletonService(VersioningService.class);
if(getBitstreamType(c,b).equals(TYPE_AIP))
{
TableRow row = null;
String query= "select * from "+ tableName+" where bitstream_id = ?";
try{
row = DatabaseManager.querySingleTable(c, tableName, query,b.getID() );
}catch (Exception e)
{
}
if(row!=null)
{
int versionId = row.getIntColumn("versionitem_id");
AutoVersion version = versioningService.getAutoVersion(c, versionId);
int versionHistoryId = row.getIntColumn("versionhistory_id");
AutoVersionHistory vh = retrieveVersionHistory(c, versionHistoryId);
if(vh!=null)
{
if(vh.hasNext(version)){
AutoVersion nextVerison = vh.getNext(version);
return nextVerison.getAIPBitstream();
}
}
}
}
else if(getBitstreamType(c,b).equals(TYPE_ORE))
{
TableRow row = null;
String query= "select * from "+ tableName+" where ore_bitstream_id = ?";
try{
row = DatabaseManager.querySingleTable(c, tableName, query,b.getID() );
}catch (Exception e)
{
}
if(row!=null)
{
int versionId = row.getIntColumn("versionitem_id");
AutoVersion version = versioningService.getAutoVersion(c, versionId);
int versionHistoryId = row.getIntColumn("versionhistory_id");
AutoVersionHistory vh = retrieveVersionHistory(c, versionHistoryId);
if(vh!=null)
{
if(vh.hasNext(version)){
AutoVersion nextVerison = vh.getNext(version);
return nextVerison.getAIPBitstream();
}
}
}
}
else
{
//this is a content bitstream
TableRow row = null;
String query= "select * from "+ mapTableName+" where bitstream_id = ?";
try{
row = DatabaseManager.querySingleTable(c, mapTableName, query,b.getID() );
}catch (Exception e)
{
}
if(row!=null)
{
int versionId = row.getIntColumn("version_id");
AutoVersion version = versioningService.getAutoVersion(c, versionId);
AutoVersionHistory vh = retrieveVersionHistory(c, version.getVersionHistoryID());
if(vh!=null)
{
if(vh.hasNext(version)){
AutoVersion nextVerison = vh.getNext(version);
return nextVerison.getAIPBitstream();
}
}
}
}
return null; //To change body of implemented methods use File | Settings | File Templates.
}
public static Bitstream getObsoletes(Context c, Bitstream b) {
AutoVersioningService versioningService = (AutoVersioningService) new DSpace().getSingletonService(VersioningService.class);
if(getBitstreamType(c,b).equals(TYPE_AIP))
{
TableRow row = null;
String query= "select * from "+ tableName+" where bitstream_id = ?";
try{
row = DatabaseManager.querySingleTable(c, tableName, query,b.getID() );
}catch (Exception e)
{
}
if(row!=null)
{
int versionId = row.getIntColumn("versionitem_id");
AutoVersion version = versioningService.getAutoVersion(c, versionId);
int versionHistoryId = row.getIntColumn("versionhistory_id");
AutoVersionHistory vh = retrieveVersionHistory(c,versionHistoryId);
if(vh!=null)
{
AutoVersion preVersion = vh.getPrevious(version);
if(preVersion!=null)
return preVersion.getAIPBitstream();
}
}
}
else if(getBitstreamType(c,b).equals(TYPE_ORE))
{
TableRow row = null;
String query= "select * from "+ tableName+" where ore_bitstream_id = ?";
try{
row = DatabaseManager.querySingleTable(c, tableName, query,b.getID() );
}catch (Exception e)
{
}
if(row!=null)
{
int versionHistoryId = row.getIntColumn("versionhistory_id");
int versionId = row.getIntColumn("versionitem_id");
AutoVersion version = versioningService.getAutoVersion(c, versionId);
AutoVersionHistory vh = retrieveVersionHistory(c,versionHistoryId);
if(vh!=null)
{
AutoVersion preVersion = vh.getPrevious(version);
if(preVersion!=null)
return preVersion.getOREBitstream();
}
}
}
else
{
//this is a content bitstream
TableRow row = null;
String query= "select * from "+ mapTableName+" where bitstream_id = ?";
try{
row = DatabaseManager.querySingleTable(c, mapTableName, query,b.getID() );
}catch (Exception e)
{
}
if(row!=null)
{
int versionId = row.getIntColumn("version_id");
AutoVersion version = versioningService.getAutoVersion(c, versionId);
AutoVersionHistory vh = retrieveVersionHistory(c, version.getVersionHistoryID());
if(vh!=null)
{
AutoVersion preVersion = vh.getPrevious(version);
if(preVersion!=null)
return preVersion.getOREBitstream();
}
}
}
return null; //To change body of implemented methods use File | Settings | File Templates.
}
private static AutoVersionHistory retrieveVersionHistory(Context c, Integer versionHistoryId)
{
AutoVersioningService versioningService = (AutoVersioningService) new DSpace().getSingletonService(VersioningService.class);
if(versionHistoryId==null)
{
return null;
}
return versioningService.findVersionByHistoryId(c, versionHistoryId);
}
public static AutoVersion getVersion(Context c, Bitstream b) {
TableRow row = null;
AutoVersioningService versioningService = (AutoVersioningService) new DSpace().getSingletonService(VersioningService.class);
if(getBitstreamType(c,b).equals(TYPE_AIP))
{
String query= "select * from "+tableName+" where bitstream_id = ?";
try{
row = DatabaseManager.querySingleTable(c, tableName, query,b.getID() );
}catch (Exception e)
{
log.error(e.getMessage(),e);
}
}
else if(getBitstreamType(c,b).equals(TYPE_ORE))
{
String query= "select * from "+tableName+" where ore_bitstream_id = ?";
try{
row = DatabaseManager.querySingleTable(c, tableName, query,b.getID() );
}catch (Exception e)
{
log.error(e.getMessage(),e);
}
}
else
{
String query= "select versionitem.versionitem_id as versionitem_id from versionitem, Version2Bitstream where versionitem.versionitem_id=Version2Bitstream.version_id and Version2Bitstream.bitstream_id = ? order by versionitem.version_number DESC";
try{
row = DatabaseManager.querySingle(c, query,b.getID() );
}catch (Exception e)
{
log.error(e.getMessage(),e);
}
//this is a content bitstream
/*
try{
DSpaceObject dSpaceObject = b.getParentObject();
Item item = (Item) dSpaceObject;
VersionHistory vh = versioningService.findAutoVersionHistory(c,item.getID());
Version version = vh.getLatestVersion();
return version;
}
catch (Exception e)
{
}
*/
}
if(row!=null)
{
int versionId = row.getIntColumn("versionitem_id");
AutoVersion version = versioningService.getAutoVersion(c, versionId);
return version;
}
return null; //To change body of implemented methods use File | Settings | File Templates.
}
public static String getBitstreamType(Context c, Bitstream b) {
TableRow row = null;
String query= "select * from "+tableName+" where ore_bitstream_id = ?";
try{
row = DatabaseManager.querySingleTable(c, tableName, query,b.getID() );
}catch (Exception e)
{
}
if(row==null)
{
query= "select * from "+tableName+" where bitstream_id = ?";
try{
row = DatabaseManager.querySingleTable(c, tableName, query,b.getID() );
}catch (Exception e)
{
}
if(row==null)
{
return TYPE_CON;
}
else
{
return TYPE_AIP;
}
}
else
{
return TYPE_ORE;
}
}
}
