/**
* Copyright (c) 2011 Ontology Engineering Group,
* Departamento de Inteligencia Artificial,
* Facultad de Informetica, Universidad
* Politecnica de Madrid, Spain
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package es.upm.fi.dia.oeg.map4rdf.server.command;
import java.util.List;
import org.apache.log4j.Logger;
import net.customware.gwt.dispatch.server.ActionHandler;
import net.customware.gwt.dispatch.server.ExecutionContext;
import net.customware.gwt.dispatch.shared.ActionException;
import com.google.inject.Inject;
import es.upm.fi.dia.oeg.map4rdf.client.action.GetSubjectDescriptions;
import es.upm.fi.dia.oeg.map4rdf.client.action.ListResult;
import es.upm.fi.dia.oeg.map4rdf.server.conf.multiple.MultipleConfigurations;
import es.upm.fi.dia.oeg.map4rdf.server.dao.DaoException;
import es.upm.fi.dia.oeg.map4rdf.share.SubjectDescription;
/**
* @author Filip
*/
public class GetSubjectDescriptionsHandler implements
ActionHandler<GetSubjectDescriptions, ListResult<SubjectDescription>> {
private MultipleConfigurations configurations;
private Logger logger = Logger
.getLogger(GetSubjectDescriptionsHandler.class);
@Override
public Class<GetSubjectDescriptions> getActionType() {
return GetSubjectDescriptions.class;
}
@Inject
public GetSubjectDescriptionsHandler(MultipleConfigurations configurations) {
this.configurations = configurations;
}
@Override
public ListResult<SubjectDescription> execute(
GetSubjectDescriptions action, ExecutionContext context)
throws ActionException {
if (!configurations.existsConfiguration(action.getConfigID())) {
throw new ActionException("Bad Config ID");
}
List<SubjectDescription> descriptions;
try {
descriptions = configurations
.getConfiguration(action.getConfigID()).getMap4rdfDao()
.getSubjectDescription(action.getSubject());
} catch (DaoException e) {
logger.error(e);
return new ListResult<SubjectDescription>();
}
return new ListResult<SubjectDescription>(descriptions);
}
@Override
public void rollback(GetSubjectDescriptions action,
ListResult<SubjectDescription> result, ExecutionContext context)
throws ActionException {
}
}