Application: gvSIG desktop

/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * 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 2

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib��ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.sldsupport.version.sld1_0_0;

import java.io.IOException;

import org.gvsig.sldsupport.exception.SLDReadException;

import org.gvsig.sldsupport.filterencoding.Filter;

import org.gvsig.sldsupport.filterencoding.FilterTags;

import org.gvsig.sldsupport.filterencoding.FilterUtils;

import org.gvsig.sldsupport.rule.SLDRule;

import org.gvsig.sldsupport.util.SLDTags;

import org.gvsig.sldsupport.version.sld1_0_0.symbolizers.SLDLineSymbolizer1_0_0;

import org.gvsig.sldsupport.version.sld1_0_0.symbolizers.SLDPointSymbolizer1_0_0;

import org.gvsig.sldsupport.version.sld1_0_0.symbolizers.SLDPolygonSymbolizer1_0_0;

import org.xmlpull.v1.XmlPullParser;

import org.xmlpull.v1.XmlPullParserException;

/**

 * Implements the Rule element of an SLD specification.<br>

 * 

 * Rules are used to group rendering instructions by feature-property

 * conditions and map scales.Rule definitions are placed inmediatelly inside

 * of feature-style definitions.

 * 

 * 

 * @see http://portal.opengeospatial.org/files/?artifact_id=1188 

 * @author pepe vidal salvador - jose.vidal.salvador@iver.es

 */

public class SLDRule1_0_0 extends SLDRule {

        public void parse(XmlPullParser parser,int cuTag, String expressionType)throws IOException, XmlPullParserException, SLDReadException  {

                int currentTag;

                boolean end = false;

                parser.require(XmlPullParser.START_TAG, null, SLDTags.RULE);

                currentTag = parser.next();

                while (!end)

                {

                        switch(currentTag)

                        {

                        case XmlPullParser.START_TAG:

                                if (parser.getName().compareTo(SLDTags.NAME)==0) {

                                        setName(parser.nextText());

                                }

                                else if(parser.getName().compareTo(SLDTags.TITLE)==0) {

                                        setTitle(parser.nextText());

                                }

                                else if(parser.getName().compareTo(SLDTags.ABSTRACT)==0) {

                                        setRuleAbstract(parser.nextText());

                                }

                                else if(parser.getName().compareTo(SLDTags.LEGENDGRAPHIC)==0) {

                                        SLDLegendGraphic1_0_0 legend = new SLDLegendGraphic1_0_0();

                                        legend.parse(parser,currentTag,null);

                                        setLegendGraphic(legend);

                                }

                                else if(parser.getName().compareTo(SLDTags.MINSCALEDENOMINATOR)==0) {

                                        setMinScaleDenominator(Double.valueOf(parser.nextText()));

                                }

                                else if(parser.getName().compareTo(SLDTags.MAXSCALEDENOMINATOR)==0) {

                                        setMaxScaleDenominator(Double.valueOf(parser.nextText()));

                                }

                                else if(parser.getName().compareTo(

                                                FilterUtils.remNameSpace(FilterTags.FILTER))==0) {

                                        Filter filter = new Filter();

                                        filter.parse(parser);

                                        setFilter(filter);

                                }

//                                else if(parser.getName().compareTo(SLDTags.ELSEFILTER)==0) {

//                                        this.elseFilter = new Filter();

//                                        elseFilter.parse(parser);

//                                }

//                                else if(parser.getName().compareTo(SLDTags.ELSEFILTER)==0) {

//                                        throw new Error ("ElseFilter not yet implemented->Rule\n");

//                                }

                                else if(parser.getName().compareTo(SLDTags.LINESYMBOLIZER)==0) {

                                        SLDLineSymbolizer1_0_0 sldLine = new SLDLineSymbolizer1_0_0();

                                        sldLine.parse(parser);

                                        addLineSymbolizer(sldLine);

                                }

                                else if(parser.getName().compareTo(SLDTags.POLYGONSYMBOLIZER)==0) {

                                        SLDPolygonSymbolizer1_0_0 sldPolygon = new SLDPolygonSymbolizer1_0_0();

                                        sldPolygon.parse(parser);

                                        addPolygonSymbolizer(sldPolygon);

                                }

                                else if(parser.getName().compareTo(SLDTags.POINTSYMBOLIZER)==0) {

                                        SLDPointSymbolizer1_0_0 sldPoint = new SLDPointSymbolizer1_0_0();

                                        sldPoint.parse(parser);

                                        addPointSymbolizer(sldPoint);

                                }

//                                else if(parser.getName().compareTo(SLDTags.TEXTSYMBOLIZER)==0) {

//                                        throw new Error ("TextSymbolizer not yet implemented->Rule\n");

//                                }

//                                else if(parser.getName().compareTo(SLDTags.RASTERSYMBOLIZER)==0) {

//                                        throw new Error ("RasterSymbolizer not yet implemented->Rule\n");

//                                }

                                break;

                        case XmlPullParser.END_TAG:

                                if (parser.getName().compareTo(SLDTags.RULE) == 0)

                                        end = true;

                                break;

                        case XmlPullParser.TEXT:

                                break;

                        }

                        if (!end)

                                currentTag = parser.next();

                }

                parser.require(XmlPullParser.END_TAG, null, SLDTags.RULE);

        }

        public void applyScale2Symbolizers(double minScaleDenominator,double maxScaleDenominator) {

                for (int i = 0; i < getLineSymbolizers().size(); i++) {

                        getLineSymbolizers().get(i).setMinScaleDenominator(minScaleDenominator);

                        getLineSymbolizers().get(i).setMaxScaleDenominator(maxScaleDenominator);

                }

                for (int i = 0; i < getPolygonSymbolizers().size(); i++) {

                        getPolygonSymbolizers().get(i).setMinScaleDenominator(minScaleDenominator);

                        getPolygonSymbolizers().get(i).setMaxScaleDenominator(maxScaleDenominator);

                }

                for (int i = 0; i < getPointSymbolizers().size(); i++) {

                        getPointSymbolizers().get(i).setMinScaleDenominator(minScaleDenominator);

                        getPointSymbolizers().get(i).setMaxScaleDenominator(maxScaleDenominator);

                }

        }

        public boolean hasFilter() {

                if(this.filter != null) return true;

                else return false;

        }

        public void addSymbolizers2Filter() {

                if(getFilter() != null) {

                        for (int i = 0; i < getLineSymbolizers().size(); i++) {

                                getFilter().addSymbolizer2Filter(getLineSymbolizers().get(i));

                        }

                        for (int i = 0; i < getPolygonSymbolizers().size(); i++) {

                                getFilter().addSymbolizer2Filter(getPolygonSymbolizers().get(i));

                        }

                        for (int i = 0; i < getPointSymbolizers().size(); i++) {

                                getFilter().addSymbolizer2Filter(getPointSymbolizers().get(i));

                        }

                }

        }

        public String toXML() {

                // TODO Auto-generated method stub

                throw new Error ("Not yet implemented");

        }

}