EpnTapController.java
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/*
* This file is a part of EpnTAPClient.
* This program aims to provide EPN-TAP support for software clients, like CASSIS spectrum analyzer.
* See draft specifications: https://voparis-confluence.obspm.fr/pages/viewpage.action?pageId=559861
* Copyright (C) 2016 Institut de Recherche en Astrophysique et Planétologie.
*
* This program is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License, or (at your option) any later
* version. This program 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 General Public License for more details. You should have received a copy of
* the GNU General Public License along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*/
package eu.omp.irap.vespa.epntapclient.epntap;
import java.util.List;
import java.util.logging.Logger;
import eu.omp.irap.vespa.epntapclient.epntap.request.RequestCtrl;
import eu.omp.irap.vespa.epntapclient.epntap.service.Queries;
import eu.omp.irap.vespa.epntapclient.epntap.service.ServiceCore;
import eu.omp.irap.vespa.epntapclient.epntap.service.ServicesList;
import eu.omp.irap.vespa.votable.Consts;
import eu.omp.irap.vespa.votable.utils.StringJoiner;
import eu.omp.irap.vespa.votable.votable.VOTableCtrl;
import eu.omp.irap.vespa.votable.votable.VOTableException;
/**
* The main controller which manage views and controllers.
*
* @author N. Jourdane
*/
public abstract class EpnTapController {
/** The logger for the class EpnTapController. */
private static final Logger LOGGER = Logger.getLogger(EpnTapController.class.getName());
/** The request controller, to manage requests. */
private RequestCtrl requestCtrl;
/** The controller of the VOTable displaying the result. */
private VOTableCtrl resultsCtrl;
/** The controller of the VOTable displaying the list of services. */
private VOTableCtrl servicesCtrl;
/**
* The path of the VOTable to parse. Will be affected to a temporary folder if not assigned
* through the controller.
*/
private String voTablePath;
/**
* @return The request controller.
*/
public RequestCtrl getRequestCtrl() {
return requestCtrl;
}
/**
* @return The controller of the VOTable which displays the result of the query.
*/
public VOTableCtrl getResultsCtrl() {
return resultsCtrl;
}
/**
* @return The controller of the VOTable which displays the list of services.
*/
public VOTableCtrl getServicesCtrl() {
return servicesCtrl;
}
/**
* @return the path of the XML VOTable file.
*/
public String getVOTablePath() {
return voTablePath;
}
/**
* Get the services from the XML path or the targetURL / query.
*
* @throws VOTableException Can not read the services.
*/
public void readServices() throws VOTableException {
// Here getServicesCtrl() is used instead of class field servicesCtrl to get the
// subclass field, since subclasses overrides getServicesCtrl().
String query = String.format(Queries.SELECT_ALL_TAP_SERVICES_WHERE_CORE,
ServiceCore.EPNCORE);
getServicesCtrl().newVOTable(Consts.DEFAULT_REGISTRY_URL, query);
}
/**
* ...
*
* @param services The services to send the queries.
* @throws VOTableException Can not update the VOTable.
*/
public void sendQueries(ServicesList services) throws VOTableException {
// Here getRequestCtrl() and getResultsCtrl() are used instead of class fields requestCtrl
// and resultCtrl to get the subclass field, since subclasses overrides getRequestCtrl() and
// getResultsCtrl().
List<String> servicesUrls = services.getTargetUrls();
LOGGER.info("Sending query(ies) on " + StringJoiner.join(servicesUrls));
for (int i = 0; i < servicesUrls.size(); i++) {
String query = getRequestCtrl().getQuery(services.getTableNames().get(i));
if (i == 0) {
getResultsCtrl().newVOTable(servicesUrls.get(i), query);
} else {
getResultsCtrl().appendVOTable(servicesUrls.get(i), query);
}
}
}
}