/**
* OrbisGIS is a java GIS application dedicated to research in GIScience.
* OrbisGIS is developed by the GIS group of the DECIDE team of the
* Lab-STICC CNRS laboratory, see <http://www.lab-sticc.fr/>.
*
* The GIS group of the DECIDE team is located at :
*
* Laboratoire Lab-STICC – CNRS UMR 6285
* Equipe DECIDE
* UNIVERSITÉ DE BRETAGNE-SUD
* Institut Universitaire de Technologie de Vannes
* 8, Rue Montaigne - BP 561 56017 Vannes Cedex
*
* OrbisGIS is distributed under GPL 3 license.
*
* Copyright (C) 2007-2014 CNRS (IRSTV FR CNRS 2488)
* Copyright (C) 2015-2017 CNRS (Lab-STICC UMR CNRS 6285)
*
* This file is part of OrbisGIS.
*
* OrbisGIS 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.
*
* OrbisGIS 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
* OrbisGIS. If not, see <http://www.gnu.org/licenses/>.
*
* For more information, please consult: <http://www.orbisgis.org/>
* or contact directly:
* info_at_ orbisgis.org
*/
package org.orbisgis.coremap.renderer.se.visitors;
import java.util.List;
import org.orbisgis.coremap.renderer.se.SymbolizerNode;
import org.orbisgis.coremap.renderer.se.parameter.SeParameter;
import org.orbisgis.coremap.renderer.se.parameter.UsedAnalysis;
/**
* This visitor will search for all the analysis that are made in a tree of
* {@code SymbolizerNode}. It searches recursively for instances of {@code
* SeParamater} that are instances of {@code Recode}, {@code Categorize} or
* {@code Interpolate}.
* @author Alexis Guéganno
*/
public class UsedAnalysisVisitor implements ISymbolizerVisitor {
private UsedAnalysis usedAnalysis;
@Override
public void visitSymbolizerNode(SymbolizerNode sn) {
usedAnalysis = new UsedAnalysis();
visitImpl(sn);
}
/**
* The method that does the work... It is not callable directly by the
* clients, as it does not clean the inner UsedAnalysis. If you want
* to use it directly, inherit this class.
* @param sn
*/
protected final void visitImpl(SymbolizerNode sn) {
if(sn instanceof SeParameter){
usedAnalysis.include((SeParameter) sn);
}
List<SymbolizerNode> lsn = sn.getChildren();
for(SymbolizerNode sym : lsn){
visitImpl(sym);
}
}
/**
* Gets the analysis that have been found in the last visited tree of
* {@code SymbolizerNode}.
* @return
*/
public UsedAnalysis getUsedAnalysis() {
return usedAnalysis;
}
}