/*******************************************************************************
* Copyright (c) 2006-2010 Vienna University of Technology,
* Department of Software Technology and Interactive Systems
*
* All rights reserved. This program and the accompanying
* materials are made available under the terms of the
* Apache License, Version 2.0 which accompanies
* this distribution, and is available at
* http://www.apache.org/licenses/LICENSE-2.0
*******************************************************************************/
package eu.planets_project.pp.plato.services.action.minimee;
import java.net.MalformedURLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.rpc.ServiceException;
import org.apache.commons.logging.Log;
import at.tuwien.minimee.registry.PreservationActionService;
import at.tuwien.minireef.ResultSet;
import eu.planets_project.pp.plato.evaluation.evaluators.MiniREEFResolver;
import eu.planets_project.pp.plato.model.FormatInfo;
import eu.planets_project.pp.plato.model.PreservationActionDefinition;
import eu.planets_project.pp.plato.services.PlatoServiceException;
import eu.planets_project.pp.plato.services.action.IPreservationActionRegistry;
import eu.planets_project.pp.plato.util.PlatoLogger;
/**
* demonstration registry to query miniREEF (using the P2 knowledge base) for available tools
* that have a (currently just any!) link with the input file format
* @author cb
*
*/
public class MiniReefServiceRegistry implements IPreservationActionRegistry {
private static final Log log = PlatoLogger.getLogger(MiniReefServiceRegistry.class);
public void connect(String URL) throws ServiceException,
MalformedURLException {
}
public String getToolIdentifier(String url) {
return "";
}
public String getToolParameters(String url) {
return "";
}
public List<PreservationActionDefinition> getAvailableActions(
FormatInfo sourceFormat) throws PlatoServiceException {
String statement =
"SELECT distinct ?swname ?swversion ?formatname ?formatversion ?released ?vendorname " +
"WHERE { ?sw ?link1 ?format . " +
// " ?link1 rdf:type <http://p2-registry.ecs.soton.ac.uk/pronom/SoftwareLink/Other> . " +
" ?format pronom:FileFormatIdentifier ?ident . " +
" ?ident pronom:Identifier \"$PUID$\" ." +
" ?ident pronom:IdentifierType \"PUID\" ." +
" ?sw ?link2 ?format2 . " +
" ?sw pronom:SoftwareName ?swname . " +
" ?sw pronom:Version ?swversion . " +
" ?format2 pronom:FormatName ?formatname . " +
" ?format2 pronom:FormatVersion ?formatversion . " +
" ?sw pronom:Vendor ?vendor . " +
" ?vendor pronom:VendorName ?vendorname . " +
" ?link2 rdf:type <http://p2-registry.ecs.soton.ac.uk/pronom/SoftwareLink/Save> } ";
String s1 =
"SELECT distinct ?swname " +
"WHERE { ?sw ?link ?format . " +
//" ?link rdf:type <http://p2-registry.ecs.soton.ac.uk/pronom/SoftwareLink/Other> . " +
" ?format pronom:FileFormatIdentifier ?ident . " +
" ?ident pronom:Identifier \"$PUID$\" ." +
" ?ident pronom:IdentifierType \"PUID\" ." +
" ?sw pronom:SoftwareName ?swname } ";
// prepare commonly used parameters
Map<String, String> params = new HashMap<String, String>();
String puid = "Target format PUID undefined for this action";
if (sourceFormat != null && !"".equals(sourceFormat.getPuid())) {
puid = sourceFormat.getPuid();
}
params.put("PUID", puid);
ResultSet resultSet = MiniREEFResolver.getInstance().resolve(statement, params);
ArrayList<PreservationActionDefinition> result = new ArrayList<PreservationActionDefinition>();
if (resultSet == null) {
// this should not happen if MiniREEF is properly configured
log.error("querying miniREEF/P2 knowledge base failed for statement: " + statement);
return result;
}
PreservationActionDefinition def;
for (int i = 0 ; i < resultSet.size(); i++) {
def = new PreservationActionDefinition();
def.setShortname("Convert using " + resultSet.getRow(i).get(0)+" "+resultSet.getRow(i).get(1));
def.setTargetFormat(resultSet.getRow(i).get(2)+" "+resultSet.getRow(i).get(3));
def.setInfo("by "+resultSet.getRow(i).get(4));
def.setActionIdentifier("P2");
def.setExecutable(false);
// if (service.getTargetFormat() != null) {
// def.setTargetFormat(service.getTargetFormat().getDefaultExtension());
// def.setTargetFormatInfo(service.getTargetFormat());
// }
// def.setInfo(service.getDescription());
// def.setUrl(service.getUrl());
// def.setDescriptor(service.getDescriptor());
result.add(def);
}
return result;
}
public String getLastInfo() {
return "";
}
}