/**
SpagoBI - The Business Intelligence Free Platform
Copyright (C) 2005-2009 Engineering Ingegneria Informatica S.p.A.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
**/
package it.eng.spagobi.analiticalmodel.execution.service;
import it.eng.spago.error.EMFUserError;
import it.eng.spagobi.analiticalmodel.document.bo.BIObject;
import it.eng.spagobi.analiticalmodel.document.bo.Snapshot;
import it.eng.spagobi.analiticalmodel.document.dao.ISnapshotDAO;
import it.eng.spagobi.analiticalmodel.document.handlers.ExecutionInstance;
import it.eng.spagobi.commons.bo.UserProfile;
import it.eng.spagobi.commons.dao.DAOFactory;
import it.eng.spagobi.commons.services.AbstractSpagoBIAction;
import it.eng.spagobi.utilities.exceptions.SpagoBIServiceException;
import it.eng.spagobi.utilities.service.JSONSuccess;
import java.io.IOException;
import org.apache.log4j.Logger;
import org.json.JSONException;
import org.json.JSONObject;
/**
* @author Zerbetto Davide
*/
public class DeleteSnapshotsAction extends AbstractSpagoBIAction {
public static final String SERVICE_NAME = "DELETE_SNAPSHOTS_ACTION";
public static final String SNAPSHOT_ID = "id";
// logger component
private static Logger logger = Logger.getLogger(DeleteSnapshotsAction.class);
public void doService() {
logger.debug("IN");
try {
// retrieving execution instance from session, no need to check if user is able to execute the current document
ExecutionInstance executionInstance = getContext().getExecutionInstance( ExecutionInstance.class.getName() );
BIObject obj = executionInstance.getBIObject();
UserProfile userProfile = (UserProfile) this.getUserProfile();
ISnapshotDAO dao = null;
try {
dao = DAOFactory.getSnapshotDAO();
} catch (EMFUserError e) {
logger.error("Error while istantiating DAO", e);
throw new SpagoBIServiceException(SERVICE_NAME, "Cannot access database", e);
}
String ids = this.getAttributeAsString(SNAPSHOT_ID);
// ids contains the id of the snapshots to be deleted separated by ,
String[] idArray = ids.split(",");
for (int i = 0; i < idArray.length; i++) {
Integer id = new Integer(idArray[i]);
Snapshot snapshot = null;
try {
snapshot = dao.loadSnapshot(id);
} catch (EMFUserError e) {
logger.error("Snapshot with id = " + id + " not found", e);
throw new SpagoBIServiceException(SERVICE_NAME, "Scheduled execution not found", e);
}
if (snapshot.getBiobjId().equals(obj.getId())) {
logger.info("User [id: " + userProfile.getUserUniqueIdentifier() + ", userId: " + userProfile.getUserId() + ", name: " + userProfile.getUserName() + "] " +
"is deleting scheduled execution [id: " + snapshot.getId() + ", name: " + snapshot.getName() + "] ...");
try {
dao.deleteSnapshot(id);
} catch (EMFUserError e) {
throw new SpagoBIServiceException(SERVICE_NAME, "Error while deleting scheduled execution", e);
}
logger.debug("Scheduled execution [id: " + snapshot.getId() + ", name: " + snapshot.getName() + "] deleted.");
} else {
logger.error("Cannot delete scheduled execution with id = " + snapshot.getBiobjId() + ": " +
"it is not relevant to the current document [id: " + obj.getId() + ", label: " + obj.getLabel() + ", name: " + obj.getName() + "]");
throw new SpagoBIServiceException(SERVICE_NAME, "Cannot delete scheduled execution: it is not relevant to the current document");
}
}
try {
JSONObject results = new JSONObject();
results.put("result", "OK");
writeBackToClient( new JSONSuccess( results ) );
} catch (IOException e) {
throw new SpagoBIServiceException(SERVICE_NAME, "Impossible to write back the responce to the client", e);
} catch (JSONException e) {
throw new SpagoBIServiceException(SERVICE_NAME, "Cannot serialize objects into a JSON object", e);
}
} finally {
logger.debug("OUT");
}
}
}