Library: org.gvsig.sldtools

/*******************************************************************************

 *

 *   gvSIG. Desktop Geographic Information System.

 *  

 *   Copyright (C) 2007-2013 gvSIG Association.

 *  

 *   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, write to the Free Software

 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 *   MA  02110-1301, USA.

 *  

 *   For any additional information, do not hesitate to contact us

 *   at info AT gvsig.com, or visit our website www.gvsig.com.

 *   

 *******************************************************************************/

package org.gvsig.sldconverter.impl;

import java.util.HashSet;

import java.util.Iterator;

import java.util.Set;

import org.gvsig.fmap.mapcontext.rendering.legend.ILegend;

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

import org.gvsig.sldconverter.SLDConverterManager;

import org.gvsig.sldconverter.exception.UnsupportedLegendException;

import org.gvsig.sldconverter.exception.UnsupportedSymbolException;

import org.gvsig.sldconverter.legend.LegendToSLDConverter;

import org.gvsig.sldconverter.legend.LegendToSLDConverterFactory;

import org.gvsig.sldconverter.legend.SLDToLegendConverter;

import org.gvsig.sldconverter.legend.SLDToLegendConverterFactory;

import org.gvsig.sldconverter.symbol.SLDToSymbolConverter;

import org.gvsig.sldconverter.symbol.SLDToSymbolConverterFactory;

import org.gvsig.sldconverter.symbol.SymbolToSLDConverter;

import org.gvsig.sldconverter.symbol.SymbolToSLDConverterFactory;

import org.gvsig.sldsupport.exception.UnsupportedSLDObjectException;

import org.gvsig.sldsupport.sld.layer.SLDLayer;

import org.gvsig.sldsupport.sld.symbol.SLDSymbol;

public class DefaultSLDConverterManager implements  SLDConverterManager {

        private Set<SLDToLegendConverterFactory> legendFromSLD =

                        new HashSet<SLDToLegendConverterFactory>();

        private Set<LegendToSLDConverterFactory> legendToSLD =

                        new HashSet<LegendToSLDConverterFactory>();

        // =========================================================

        private Set<SLDToSymbolConverterFactory> symbolFromSLD =

                        new HashSet<SLDToSymbolConverterFactory>();

        private Set<SymbolToSLDConverterFactory> symbolToSLD =

                        new HashSet<SymbolToSLDConverterFactory>();

        // =========================================================

        public SLDSymbol toSLDSymbol(ISymbol sym) throws UnsupportedSymbolException {

                if (sym == null) {

                        throw new UnsupportedSymbolException("ISymbol", "Null");

                }

                int max = 0;

                SymbolToSLDConverterFactory factToUse = null;

                Iterator<SymbolToSLDConverterFactory> iter = symbolToSLD.iterator();

                SymbolToSLDConverterFactory fact = null;

                int aux = 0;

                while (iter.hasNext()) {

                        fact = iter.next();

                        aux = fact.canConvert(sym);

                        if (aux > max) {

                                max = aux;

                                factToUse = fact;

                        }

                }

                if (max == 0) {

                        throw new UnsupportedSymbolException(

                                        sym.getClass().getName(), "No converter found.");

                }

                SymbolToSLDConverter conv = factToUse.createSymbolToSLDConverter();

                return conv.convert(sym);

        }

        public ISymbol toSymbol(SLDSymbol sldsym) throws UnsupportedSLDObjectException {

                if (sldsym == null) {

                        throw new UnsupportedSLDObjectException("SLDSymbol", "Null");

                }

                int max = 0;

                SLDToSymbolConverterFactory factToUse = null;

                Iterator<SLDToSymbolConverterFactory> iter = symbolFromSLD.iterator();

                SLDToSymbolConverterFactory fact = null;

                int aux = 0;

                while (iter.hasNext()) {

                        fact = iter.next();

                        aux = fact.canConvert(sldsym);

                        if (aux > max) {

                                max = aux;

                                factToUse = fact;

                        }

                }

                if (max == 0) {

                        throw new UnsupportedSLDObjectException(

                                        sldsym.getClass().getSimpleName(), "No converter found.");

                }

                SLDToSymbolConverter conv = factToUse.createSLDToSymbolConverter();

                return conv.convert(sldsym);                

        }

        public SLDLayer toSLDLayer(ILegend legend)

                        throws UnsupportedLegendException, UnsupportedSymbolException {

                if (legend == null) {

                        throw new UnsupportedLegendException("ILegend", "Null");

                }

                int max = 0;

                LegendToSLDConverterFactory factToUse = null;

                Iterator<LegendToSLDConverterFactory> iter = legendToSLD.iterator();

                LegendToSLDConverterFactory fact = null;

                int aux = 0;

                while (iter.hasNext()) {

                        fact = iter.next();

                        aux = fact.canConvert(legend);

                        if (aux > max) {

                                max = aux;

                                factToUse = fact;

                        }

                }

                if (max == 0) {

                        throw new UnsupportedLegendException(

                                        legend.getClass().getName(), "No converter found.");

                }

                LegendToSLDConverter conv = factToUse.createLegendToSLDConverter();

                return conv.convert(legend);                

        }

        public ILegend toLegend(SLDLayer sldlayer) throws UnsupportedSLDObjectException {

                if (sldlayer == null) {

                        throw new UnsupportedSLDObjectException("SLDLayer", "Null");

                }

                int max = 0;

                SLDToLegendConverterFactory factToUse = null;

                Iterator<SLDToLegendConverterFactory> iter = legendFromSLD.iterator();

                SLDToLegendConverterFactory fact = null;

                int aux = 0;

                while (iter.hasNext()) {

                        fact = iter.next();

                        aux = fact.canConvert(sldlayer);

                        if (aux > max) {

                                max = aux;

                                factToUse = fact;

                        }

                }

                if (max == 0) {

                        throw new UnsupportedSLDObjectException(

                                        sldlayer.getClass().getSimpleName(), "No converter found.");

                }

                SLDToLegendConverter conv = factToUse.createSLDToLegendConverter();

                return conv.convert(sldlayer);                

        }

        // =============================================================

        // =============================================================

        public void registerSLDToSymbolConverter(SLDToSymbolConverterFactory fact) {

                if (fact != null) {

                        this.symbolFromSLD.add(fact);

                }

        }

        public void registerSymbolToSLDConverter(SymbolToSLDConverterFactory fact) {

                if (fact != null) {

                        this.symbolToSLD.add(fact);

                }

        }

        public void registerSLDToLegendConverter(SLDToLegendConverterFactory fact) {

                if (fact != null) {

                        this.legendFromSLD.add(fact);

                }

        }

        public void registerLegendToSLDConverter(LegendToSLDConverterFactory fact) {

                if (fact != null) {

                        this.legendToSLD.add(fact);

                }

        }

}