org.integratedmodelling.engine.geospace.georss.GeoRSS Maven / Gradle / Ivy
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/*******************************************************************************
* Copyright (C) 2014, 2015:
*
* - Ioannis N. Athanasiadis
* - integratedmodelling.org
* - any other authors listed in @author annotations
*
* All rights reserved. This file is part of the k.LAB software suite,
* meant to enable modular, collaborative, integrated
* development of interoperable data and model components. For
* details, see http://integratedmodelling.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the Affero General Public License
* Version 3 or 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
* Affero General Public License for more details.
*
* You should have received a copy of the Affero General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* The license is also available at: https://www.gnu.org/licenses/agpl.html
*******************************************************************************/
package org.integratedmodelling.engine.geospace.georss;
import java.util.Map;
import org.integratedmodelling.api.knowledge.IConcept;
import org.integratedmodelling.api.knowledge.IExpression;
import org.integratedmodelling.api.monitoring.IMonitor;
import org.integratedmodelling.api.services.annotations.Prototype;
import org.integratedmodelling.common.kim.expr.CodeExpression;
import org.integratedmodelling.common.vocabulary.NS;
import org.integratedmodelling.exceptions.KlabException;
/**
*
* @author Ioannis N. Athanasiadis
* @since 2014
*/
@Prototype(
id = "georss",
args = {
"url",
Prototype.TEXT, // location of the georss
"# node",
Prototype.TEXT, // nodename(s) to parse for value(s) i.e.
// if missing we are checking for presence only
"# default-value",
Prototype.TEXT, // if missing what the default value should be
"# extract",
Prototype.TEXT, // in case we need some RegEx to extract values
"# limit",
Prototype.INT, // Limit of number of entries to read
},
returnTypes = { NS.DATASOURCE, NS.OBJECTSOURCE })
public class GeoRSS extends CodeExpression implements IExpression {
@Override
public Object eval(Map parameters, IMonitor monitor, IConcept... context)
throws KlabException {
String url = parameters.containsKey("url") ? parameters.get("url").toString() : "";
String node = parameters.containsKey("node") ? parameters.get("node").toString() : "";
String defaultvalue = parameters.containsKey("default-value")
? parameters.get("default-value").toString() : "";
String extract = parameters.containsKey("extract") ? parameters.get("extract").toString() : "";
String limit = parameters.containsKey("limit") ? parameters.get("limit").toString() : "";
if (url != "")
return new GeoRSSDataSource(url, node, defaultvalue, extract, limit);
return null;
}
}