/*******************************************************************************
* Copyright 2012 University of Southern California
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This code was developed by the Information Integration Group as part
* of the Karma project at the Information Sciences Institute of the
* University of Southern California. For more information, publications,
* and related projects, please see: http://www.isi.edu/integration
******************************************************************************/
package edu.isi.karma.controller.command.alignment;
import java.util.HashMap;
import java.util.List;
import edu.isi.karma.controller.command.Command;
import edu.isi.karma.controller.command.CommandException;
import edu.isi.karma.controller.command.CommandType;
import edu.isi.karma.controller.update.ErrorUpdate;
import edu.isi.karma.controller.update.FetchR2RMLUpdate;
import edu.isi.karma.controller.update.UpdateContainer;
import edu.isi.karma.er.helper.TripleStoreUtil;
import edu.isi.karma.rep.Workspace;
public class FetchR2RMLModelsCommand extends Command {
private String tripleStoreUrl;
public String getTripleStoreUrl() {
return tripleStoreUrl;
}
public void setTripleStoreUrl(String tripleStoreUrl) {
this.tripleStoreUrl = tripleStoreUrl;
}
protected FetchR2RMLModelsCommand(String id, String url) {
super(id);
if (url == null || url.isEmpty()) {
url = TripleStoreUtil.defaultServerUrl + "/" + TripleStoreUtil.karma_model_repo;
}
this.tripleStoreUrl = url;
}
@Override
public String getCommandName() {
return FetchR2RMLModelsCommand.class.getName();
}
@Override
public String getTitle() {
return "Fetch R2RML from Triple Store";
}
@Override
public String getDescription() {
return null;
}
@Override
public CommandType getCommandType() {
return CommandType.notInHistory;
}
@Override
public UpdateContainer doIt(Workspace workspace) throws CommandException {
TripleStoreUtil utilObj = new TripleStoreUtil();
try
{
HashMap<String, List<String>> list = utilObj.fetchModelNames(this.tripleStoreUrl);
return new UpdateContainer(new FetchR2RMLUpdate(list.get("model_names"), list.get("model_urls")));
}
catch (Exception e)
{
return new UpdateContainer(new ErrorUpdate("Unable to fetch R2RML models: " + e.getMessage()));
}
}
@Override
public UpdateContainer undoIt(Workspace workspace) {
return null;
}
}