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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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 *
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 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
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 *
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 * For more information, contact:
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 *
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 *  Generalitat Valenciana
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 *   Conselleria d'Infraestructures i Transport
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 *   Av. Blasco Ib??ez, 50
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 *   46010 VALENCIA
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 *   SPAIN
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 *
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 *      +34 963862235
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 *   gvsig@gva.es
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 *      www.gvsig.gva.es
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 *
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 *    or
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 *
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 *   IVER T.I. S.A
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 *   Salamanca 50
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 *   46005 Valencia
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 *   Spain
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 *
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 *   +34 963163400
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 *   dac@iver.es
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 */
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/* CVS MESSAGES:
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*
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* $Id: SymbologyFactory.java 17490 2007-12-14 07:20:13Z jdominguez $
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* $Log$
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* Revision 1.11  2007-09-20 09:33:15  jaume
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* Refactored: fixed name of IPersistAnce to IPersistence
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*
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* Revision 1.10  2007/09/17 14:16:11  jaume
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* multilayer symbols sizing bug fixed
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*
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* Revision 1.9  2007/09/17 09:32:05  jaume
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* view refresh frame rate now configurable
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*
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* Revision 1.8  2007/07/18 06:54:34  jaume
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* continuing with cartographic support
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*
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* Revision 1.7  2007/04/26 11:41:00  jaume
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* attempting to let defining size in world units
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*
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* Revision 1.6  2007/03/27 09:28:40  jaume
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* *** empty log message ***
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*
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* Revision 1.5  2007/03/21 11:02:51  jaume
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* javadoc
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*
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* Revision 1.4  2007/03/20 15:59:03  jaume
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* improved factory toolkit
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*
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* Revision 1.3  2007/03/13 16:58:36  jaume
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* Added QuantityByCategory (Multivariable legend) and some bugfixes in symbols
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*
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* Revision 1.2  2007/03/09 11:20:57  jaume
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* Advanced symbology (start committing)
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*
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* Revision 1.1.2.2  2007/02/15 16:23:44  jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.1  2007/02/12 15:15:20  jaume
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* refactored interval legend and added graduated symbol legend
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*
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* Revision 1.1.2.3  2007/02/09 07:47:05  jaume
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* Isymbol moved
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*
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* Revision 1.1.2.2  2007/02/01 11:42:47  jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.1  2007/01/26 13:48:05  jaume
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* patch for opening old projects
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*
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* Revision 1.1  2007/01/10 16:39:41  jaume
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* ISymbol now belongs to com.iver.cit.gvsig.fmap.core.symbols package
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*
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* Revision 1.3  2006/11/06 16:06:52  jaume
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* *** empty log message ***
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*
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* Revision 1.2  2006/11/06 07:33:54  jaume
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* javadoc, source style
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*
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* Revision 1.1  2006/10/30 19:30:35  jaume
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* *** empty log message ***
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*
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*
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*/
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package com.iver.cit.gvsig.fmap.core;
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import java.awt.Color;
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import java.awt.Font;
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import java.io.File;
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import java.io.IOException;
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import org.apache.log4j.Logger;
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import com.iver.cit.gvsig.fmap.Messages;
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import com.iver.cit.gvsig.fmap.core.styles.IStyle;
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import com.iver.cit.gvsig.fmap.core.styles.SimpleLineStyle;
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import com.iver.cit.gvsig.fmap.core.symbols.AbstractSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.IFillSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.ILineSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.IMarkerSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.IMultiLayerSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.ITextSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.LineFillSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.MultiLayerFillSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.MultiLayerLineSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.MultiLayerMarkerSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.MultiShapeSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.PictureMarkerSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.SimpleFillSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.SimpleLineSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.SimpleMarkerSymbol;
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import com.iver.cit.gvsig.fmap.core.symbols.SimpleTextSymbol;
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import com.iver.cit.gvsig.fmap.core.v02.FConstant;
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import com.iver.cit.gvsig.fmap.core.v02.FSymbol;
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import com.iver.utiles.IPersistence;
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import com.iver.utiles.NotExistInXMLEntity;
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import com.iver.utiles.XMLEntity;
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/**
141
 * Factory for obtaining symbology of any kind from several sources like.
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 * <ol>
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 *         <li>
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 *                 <b>XMLEntity's</b> that, at least, contains a full class name
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 *                         string property that defines which class handles such symbol.
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 *  </li>
147
 * </ol>
148
 *
149
 * @author jaume dominguez faus - jaume.dominguez@iver.es
150
 */
151
public class SymbologyFactory {
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        public static int DefaultSymbolUnit = -1; // pixel
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        public static int DefaultSymbolReferenceSystem = CartographicSupport.WORLD;
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        public static Color DefaultSymbolColor = Color.DARK_GRAY;
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        public static Color DefaultFillSymbolColor = new Color(60, 235, 235);
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        public static Font DefaultTextFont = new Font("SansSerif", Font.PLAIN, 9);
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        private static Logger logger = Logger.getLogger(SymbologyFactory.class.getName());
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//        private static WarningSymbol warningSymbol;
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        /**
161
         * Factory that allows to create <b>ISymbol</b>'s from an ISymbol xml
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         * descriptor. A barely specific XMLEntity object. The string passed in the
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         * second argument is the description text that will be used in case no description
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         * is supplied by the symbol's xml descriptor.
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         *
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         * @param xml, the symbol's xml descriptor
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         * @param defaultDescription, a human readable description string for the symbol.
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         * @return ISymbol
169
         */
170
        public static ISymbol createSymbolFromXML(XMLEntity xml, String defaultDescription) {
171
                if (!xml.contains("desc")) {
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                        if (defaultDescription == null) defaultDescription = "";
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                        xml.putProperty("desc", defaultDescription);
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                }
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                return (ISymbol) createFromXML(xml);
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        }
177

    
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        /**
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         * Factory that allows to create <b>IStyle</b>'s from an <b>IStyle</b> xml descriptor. A barely
180
         * specific <b>XMLEntity</b> object. The string passed in the second argument is the
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         * description text that will be used in case no description is supplied by the
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         * style's xml descriptor.
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         *
184
         * @param xml, the style's xml descriptor
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         * @param defaultDescription, a human readable description string for the style
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         * @return IStyle
187
         */
188
        public static IStyle createStyleFromXML(XMLEntity xml, String defaultDescription) {
189
                if (!xml.contains("desc"))
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                        if (defaultDescription == null) defaultDescription = "";
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                        xml.putProperty("desc", defaultDescription);
192
                return (IStyle) createFromXML(xml);
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        }
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195
        /**
196
         * Creates an <b>Object</b> described by the <b>XMLEntity</b> xml, please reffer to the
197
         * XMLEntity definition contract to know what is the format of the xml argument.
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         * The result of this method is an <b>Object</b> that you can cast to the type you were
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         * looking for by means of the xml entity.
200
         *
201
         * @param xml
202
         * @return Object
203
         */
204
        private static Object createFromXML(XMLEntity xml) {
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                String className = null;
206
                try {
207
                        className = xml.getStringProperty("className");
208
                } catch (NotExistInXMLEntity e) {
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                        logger.error("Class name not set.\n" +
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                                                " Maybe you forgot to add the" +
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                                                " putProperty(\"className\", yourClassName)" +
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                                                " call in the getXMLEntity method of your class", e);
213
                }
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                Class clazz = null;
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                IPersistence obj = null;
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                String s = className;
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220
                try {
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                        clazz = Class.forName(className);
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223
                        if (xml.contains("desc")) {
224
                                s += " \"" + xml.getStringProperty("desc") +"\"";
225
                        }
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                        // TODO remove the patch the day we deprecate FSymbol
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                        // begin patch
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                        if (clazz.equals(FSymbol.class))
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                                obj = FSymbol.createFromXML(xml);
230
                        else {
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                        // end patch
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233

    
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                                obj = (IPersistence) clazz.newInstance();
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                                logger.info(Messages.getString("creating")+"....... "+s);
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                                try {
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                                        obj.setXMLEntity(xml);
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                                } catch (NotExistInXMLEntity neiXML) {
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                                        logger.error(Messages.getString("failed_creating_object")+": "+s);
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                                        throw neiXML;
241
                                }
242

    
243
                        }
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245
                } catch (InstantiationException e) {
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                        logger.error("Trying to instantiate an interface" +
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                                                " or abstract class + "+className, e);
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                } catch (IllegalAccessException e) {
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                        logger.error("IllegalAccessException: does your class have an" +
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                                        " anonymous constructor?", e);
251
                } catch (ClassNotFoundException e) {
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                        logger.error("No class called " + className +
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                                        " was found.\nCheck the following.\n<br>" +
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                                        "\t- The fullname of the class you're looking " +
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                                                "for matches the value in the className " +
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                                                "property of the XMLEntity ("+className+").\n<br>" +
257
                                        "\t- The jar file containing your symbol class is in" +
258
                                                "the application classpath<br>", e);
259
                }
260
                return obj;
261
        }
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263
        /**
264
         * Returns a new empty instance of a <b>IMultiLayer</b> that can be one of:
265
         * <b>MultiLayerMarkerSymbol</b>, <b>MultiLayerLineSymbol</b>, or
266
         * <b>MultiLayerFillSymbol</b> depending on the shape type passed.
267
         *
268
         * @param shapeType, one of FShape.POINT, FShape.LINE, or FShape.POLYGON
269
         * @return IMultiLayerSymbol
270
         */
271
        public static IMultiLayerSymbol createEmptyMultiLayerSymbol(int shapeType) {
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273
                IMultiLayerSymbol sym = null;
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275
                switch (shapeType % FShape.Z) {
276
                case FShape.POINT:
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278
                        sym = new MultiLayerMarkerSymbol();
279
                        break;
280

    
281
                case FShape.LINE:
282

    
283
                        sym = new MultiLayerLineSymbol();
284
                        break;
285

    
286
                case FShape.POLYGON:
287

    
288
                        sym = new MultiLayerFillSymbol();
289
                        break;
290

    
291
                default:
292
                        throw new Error("Shape type not yet supported for multilayer symbols");
293
                }
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295
                
296
                if (sym instanceof CartographicSupport) {
297
                        CartographicSupport csSym = (CartographicSupport) sym;
298
                        csSym.setUnit(DefaultSymbolUnit);
299
                        csSym.setReferenceSystem(DefaultSymbolReferenceSystem);
300
                }
301
                
302
                return sym;
303

    
304
        }
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        /**
307
         * Returns a new instance of an <b>IMarkerSymbol</b>.
308
         * @return IMarkerSymbol, the default symbol for markers
309
         */
310
        public static IMarkerSymbol createDefaultMarkerSymbol() {
311
                SimpleMarkerSymbol sms = new SimpleMarkerSymbol();
312
                sms.setColor(DefaultSymbolColor);
313
                sms.setSize(4);
314
                return sms;
315
        }
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317
        /**
318
         * Returns a new instance of an <b>ILineSymbol</b>.
319
         * @return ILineSymbol, the default symbol for lines.
320
         */
321
        public static ILineSymbol createDefaultLineSymbol() {
322
                SimpleLineSymbol sls = new SimpleLineSymbol();
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                sls.setLineColor(DefaultSymbolColor);
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                sls.setLineWidth(1);
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                return sls;
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        }
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//
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//        private static void toDefaultCartographicProperties(CartographicSupport cs) {
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//                cs.setUnit(CartographicSupportToolkit.DefaultMeasureUnit);
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//                cs.setReferenceSystem(CartographicSupportToolkit.DefaultReferenceSystem);
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//        }
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        /**
334
         * Returns a new instance of an <b>IFillSymbol</b>. Black outline,
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         * and transparent fill.
336
         * @return IFillSymbol, the default symbol for polygons
337
         */
338
        public static IFillSymbol createDefaultFillSymbol() {
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340
                SimpleFillSymbol sfs = new SimpleFillSymbol();
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342
                // Default symbol for polygons
343
                sfs.setOutline(createDefaultLineSymbol());
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                sfs.setFillColor(DefaultFillSymbolColor); // transparent fill
345
//                toDefaultCartographicProperties(sfs);
346
                return sfs;
347
    }
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349
        /**
350
         * Returns a new instance of an <b>ITextSymbol</b>.
351
         * @return ITextSymbol, the default symbol for texts
352
         */
353
        public static ITextSymbol createDefaultTextSymbol() {
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                SimpleTextSymbol sts = new SimpleTextSymbol();
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                sts.setFont(DefaultTextFont);
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                sts.setTextColor(DefaultSymbolColor);
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//                toDefaultCartographicProperties(sts);
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360
                return sts;
361
        }
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363
        /**
364
         * Creates a new instance of the default symbol whose type is defined
365
         * by the parameter <b>shapeType</b>
366
         * @param shapeType, one of FShape.POINT, FShape.LINE, FShape.POLYGON,
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         * FShape.MULTIPOINT, FShape.TEXT, or FShape.MULTI.
368
         * @return ISymbol, the default symbol for the shape type defined by <b>shapeType</b>
369
         */
370
        public static ISymbol createDefaultSymbolByShapeType(int shapeType) {
371
                switch (shapeType % FShape.Z) {
372
                case FShape.POINT:
373
                        return createDefaultMarkerSymbol();
374
                case FShape.LINE:
375
                        return createDefaultLineSymbol();
376
                case FShape.POLYGON:
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                        return createDefaultFillSymbol();
378
                case FShape.MULTIPOINT:
379
                        return createDefaultMarkerSymbol();
380
                case FShape.TEXT:
381
                        return createDefaultTextSymbol();
382
                case FShape.MULTI:
383
                        return new MultiShapeSymbol();
384
                case FShape.NULL:
385
                        return null;
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                default:
387
                        throw new Error("shape type not yet supported");
388
                }
389
        }
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391
        /**
392
         * Creates a new instance of the default symbol whose type is defined
393
         * by the parameter <b>shapeType</b> and uses the color defined by the
394
         * parameter color.
395
         * @param shapeType, one of FShape.POINT, FShape.LINE, FShape.POLYGON,
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         * @param color, the color to be applied to the new ISymbol.
397
         *
398
         * FShape.MULTIPOINT, FShape.TEXT, or FShape.MULTI.
399
         * @return ISymbol, the default symbol for the shape type defined by <b>shapeType</b>
400
         */
401
        public static ISymbol createDefaultSymbolByShapeType(int shapeType, Color color) {
402
                ISymbol sym = createDefaultSymbolByShapeType(shapeType);
403
                if (sym instanceof IMarkerSymbol) {
404
                        ((IMarkerSymbol) sym).setColor(color);
405
                }
406

    
407
                if (sym instanceof ILineSymbol) {
408
                        ((ILineSymbol) sym).setLineColor(color);
409
                }
410

    
411
                if (sym instanceof IFillSymbol) {
412
                        ((IFillSymbol) sym).setFillColor(color);
413
                }
414

    
415
                if (sym instanceof ITextSymbol) {
416
                        ((ITextSymbol) sym).setTextColor(color);
417
                }
418

    
419
                return sym;
420
        }
421

    
422
        public static ISymbol deriveFSymbol(FSymbol fSymbol) {
423
                ISymbol derivedSymbol;
424
                
425
                int symbolType = fSymbol.getSymbolType();
426
                Color color = fSymbol.getColor();
427
                double size = fSymbol.getSize();
428
                int unit = fSymbol.isSizeInPixels() ? -1 : 1; // only meters or pixels
429
                                                                                                                // were supported in
430
                                                                                                                // FSymbol
431
                if (symbolType == FShape.LINE) {
432
                        ILineSymbol line = createDefaultLineSymbol();
433
                        line.setLineColor(color);
434

    
435
                        SimpleLineStyle lineStyle = new SimpleLineStyle();
436
                        lineStyle.setUnit(unit); 
437
                        lineStyle.setStroke(fSymbol.getStroke());
438
                        lineStyle.setOffset(0);
439
                        lineStyle.setReferenceSystem(CartographicSupport.WORLD);
440
                        lineStyle.setLineWidth((float) size);
441
                        line.setLineStyle(lineStyle);
442
                        derivedSymbol = line;
443
                        
444
                } else if (symbolType == FShape.POINT) {
445
                        int style = fSymbol.getStyle();
446
                        IMarkerSymbol marker; 
447
                        if (style == FConstant.SYMBOL_STYLE_MARKER_IMAGEN) {
448
                                marker = new PictureMarkerSymbol();
449
                                PictureMarkerSymbol pic = (PictureMarkerSymbol) marker;
450
                                try {
451
                                        pic.setImage(new File(fSymbol.getIconURI().getPath()));
452
                                } catch (IOException e) {
453
                                        // image could not be restored,
454
                                        // will use a regular point as symbol
455
                                        fSymbol.setStyle(FConstant.SYMBOL_STYLE_MARKER_CIRCLE);
456
                                        return deriveFSymbol(fSymbol);
457
                                }
458
                        } else {
459
                                marker = new SimpleMarkerSymbol();
460
                                SimpleMarkerSymbol sms = (SimpleMarkerSymbol) marker;
461
                                if (style == FConstant.SYMBOL_STYLE_MARKER_CIRCLE) {
462
                                        sms.setStyle(SimpleMarkerSymbol.CIRCLE_STYLE);
463
                                } else if (style == FConstant.SYMBOL_STYLE_MARKER_CROSS) {
464
                                        sms.setStyle(SimpleMarkerSymbol.CROSS_STYLE);
465
                                } else if (style == FConstant.SYMBOL_STYLE_MARKER_SQUARE) {
466
                                        sms.setStyle(SimpleMarkerSymbol.SQUARE_STYLE);
467
                                } else if (style == FConstant.SYMBOL_STYLE_MARKER_TRIANGLE) {
468
                                        sms.setStyle(SimpleMarkerSymbol.TRIANGLE_STYLE);
469
                                }
470
                                Color outlineColor = fSymbol.getOutlineColor();
471
                                if (outlineColor != null) {
472
                                        sms.setOutlined(true);
473
                                        sms.setOutlineColor(outlineColor);
474
                                }
475
                        }
476
                        marker.setColor(color);
477
                        marker.setSize(size);
478
                        marker.setRotation(fSymbol.getRotation());
479
                        derivedSymbol = marker;
480
                        
481
                } else if (symbolType == FShape.POLYGON) {
482
                        IFillSymbol fill;
483
                        int fSymbolStyle = fSymbol.getStyle();
484
                        color = null;
485
                        if (fSymbolStyle == FConstant.SYMBOL_STYLE_FILL_SOLID) {
486
                                fill = createDefaultFillSymbol();
487
                                color = fSymbol.getColor();
488
                        } else if (fSymbolStyle == FConstant.SYMBOL_STYLE_FILL_TRANSPARENT ||
489
                                           fSymbolStyle == FConstant.SYMBOL_STYLE_DGNSPECIAL) {
490
                                fill = createDefaultFillSymbol();
491
                        } else {
492
                                // lets see how to derive FSymbol with fill patterns
493
                                if (fSymbolStyle == FConstant.SYMBOL_STYLE_FILL_CROSS) {
494
                                        // the cross will be substituted by two line fill symbols
495
                                        // with
496
                                        // perpendicular line angles mixed into a multilayer symbol
497
                                        IMultiLayerSymbol mfs = createEmptyMultiLayerSymbol(FShape.POLYGON);
498
                                        fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_VERTICAL);
499
                                        LineFillSymbol firstLayer = (LineFillSymbol) deriveFSymbol(fSymbol);
500
                                        fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_HORIZONTAL);
501
                                        LineFillSymbol secondLayer = (LineFillSymbol) deriveFSymbol(fSymbol);
502
                                        mfs.addLayer(firstLayer);
503
                                        mfs.addLayer(secondLayer);
504
                                        fill = (IFillSymbol) mfs;
505
                                        fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_CROSS); // restore
506
                                                                                                                                                        // old
507
                                                                                                                                                        // style
508
                                                                                                                                                        // (just
509
                                                                                                                                                        // in
510
                                                                                                                                                        // case)
511
                                } else if (fSymbolStyle == FConstant.SYMBOL_STYLE_FILL_CROSS_DIAGONAL ) {
512
                                        // the cross will be substituted by two line fill symbols
513
                                        // with
514
                                        // perpendicular line angles mixed into a multilayer symbol
515
                                        IMultiLayerSymbol mfs = createEmptyMultiLayerSymbol(FShape.POLYGON);
516
                                        fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_UPWARD_DIAGONAL);
517
                                        LineFillSymbol firstLayer = (LineFillSymbol) deriveFSymbol(fSymbol);
518
                                        fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_DOWNWARD_DIAGONAL);
519
                                        LineFillSymbol secondLayer = (LineFillSymbol) deriveFSymbol(fSymbol);
520
                                        mfs.addLayer(firstLayer);
521
                                        mfs.addLayer(secondLayer);
522
                                        fill = (IFillSymbol) mfs;
523
                                        fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_CROSS_DIAGONAL); // restore
524
                                                                                                                                                        // old
525
                                                                                                                                                        // style
526
                                                                                                                                                        // (just
527
                                                                                                                                                        // in
528
                                                                                                                                                        // case)
529
                                } else {
530
                                        LineFillSymbol lfs = new LineFillSymbol();
531
                                        // Let's create the filling line symbol
532
                                        fSymbol.setSymbolType(FShape.LINE);
533
                                        ILineSymbol lineSymbol = (ILineSymbol) deriveFSymbol(fSymbol);
534
                                        SimpleLineStyle lineStyle = new SimpleLineStyle();
535
                                        lineStyle.setLineWidth(1f);
536
                                        lineSymbol.setLineStyle(lineStyle);
537
                                        
538
                                        // restore the old value for symbol type (should be always
539
                                        // FShape.POLYGON)
540
                                        //assert symbolType == FShape.POLYGON;
541
                                        fSymbol.setSymbolType(symbolType);
542
                                        double angle = 0;
543
                                        switch (fSymbolStyle) {
544
                                        case FConstant.SYMBOL_STYLE_FILL_UPWARD_DIAGONAL:
545
                                                angle = 45;
546
                                                break;
547
                                        case FConstant.SYMBOL_STYLE_FILL_VERTICAL:
548
                                                angle = 90;
549
                                                break;
550
                                        case FConstant.SYMBOL_STYLE_FILL_HORIZONTAL:
551
                                                angle = 0;
552
                                                break;
553
                                        case FConstant.SYMBOL_STYLE_FILL_DOWNWARD_DIAGONAL:
554
                                                angle = -45;
555
                                                break;
556
                                        }
557
                                        lfs.setSeparation(10);
558
                                        lfs.setAngle(angle*FConstant.DEGREE_TO_RADIANS);
559
                                        lfs.setLineSymbol(lineSymbol);
560
                                        fill = lfs;
561
                                }
562
                        }
563
                        
564
                        fill.setFillColor(color);
565

    
566
                        if (fSymbol.isOutlined()) {
567
                                // Let's create the outline line symbol
568
                                fSymbol.setSymbolType(FShape.LINE);
569
                                ILineSymbol outline = (ILineSymbol) deriveFSymbol(fSymbol);
570
                                
571
                                // restore the old value for symbol type (should be always
572
                                // FShape.POLYGON)
573
                                //assert symbolType == FShape.POLYGON;
574
                                fSymbol.setSymbolType(symbolType);
575
                                outline.setLineColor(fSymbol.getOutlineColor());
576
                                fill.setOutline(outline);
577
                        }
578
                        derivedSymbol = fill;
579
                } else if (symbolType == FShape.MULTI) {
580
                        fSymbol.setSymbolType(FShape.LINE);
581
                        ILineSymbol line = (ILineSymbol) deriveFSymbol(fSymbol);
582
                        fSymbol.setSymbolType(FShape.POINT);
583
                        IMarkerSymbol marker = (IMarkerSymbol) deriveFSymbol(fSymbol);
584
                        fSymbol.setSymbolType(FShape.POLYGON);
585
                        IFillSymbol fill = (IFillSymbol) deriveFSymbol(fSymbol);
586
                        //assert symbolType == FShape.MULTI;
587
                        fSymbol.setSymbolType(symbolType);
588
                        MultiShapeSymbol multiShapeSymbol = new MultiShapeSymbol();
589
                        multiShapeSymbol.setMarkerSymbol(marker);
590
                        multiShapeSymbol.setLineSymbol(line);
591
                        multiShapeSymbol.setFillSymbol(fill);
592
                        
593
                        derivedSymbol = multiShapeSymbol;
594
                } else if (symbolType == FShape.TEXT) {
595
                        ITextSymbol textSym = createDefaultTextSymbol();
596
                        textSym.setTextColor(color);
597
                        derivedSymbol = textSym;
598
                } else {
599
                        throw new Error("FSymbol of type "+symbolType+" cannot be imported yet!");
600
                }
601
                
602
                // establish the general description;
603
                if (derivedSymbol instanceof AbstractSymbol) {
604
                        AbstractSymbol symbol = (AbstractSymbol) derivedSymbol;
605
                        symbol.setIsShapeVisible(true);
606
                        symbol.setDescription(fSymbol.getDescription());
607
                }
608
                
609
                
610
                
611
                if (derivedSymbol instanceof CartographicSupport) {
612
                        CartographicSupport cs = (CartographicSupport) derivedSymbol;
613
                        // the only options allowed by the old FSymbol class
614
                        cs.setUnit(unit);
615
                        cs.setReferenceSystem(CartographicSupport.WORLD);
616
                }
617
                
618
                return derivedSymbol;
619
        }
620

    
621
/*        public static ISymbol getWarningSymbol(String message, String symbolDesc, int symbolDrawExceptionType) {
622
                if (warningSymbol == null) {
623
                        warningSymbol = new WarningSymbol();
624
                }
625
                warningSymbol.setDescription(symbolDesc);
626
                warningSymbol.setMessage(message);
627
                warningSymbol.setDrawExceptionType(symbolDrawExceptionType);
628
                return warningSymbol;
629
        }
630
        
631
        private static class WarningSymbol implements ISymbol {
632
                private String desc;
633
                private String message;
634
                private int exceptionType;
635
                
636
                public static void main(String[] args) {
637
                        JFrame f = new JFrame();
638
                        final ISymbol warning = SymbologyFactory.getWarningSymbol(SymbolDrawingException.STR_UNSUPPORTED_SET_OF_SETTINGS, "a description", SymbolDrawingException.UNSUPPORTED_SET_OF_SETTINGS);
639
                        JPanel preview = new JPanel() {
640
                                @Override
641
                                protected void paintComponent(Graphics g) {
642
                                        // TODO Auto-generated method stub
643
                                        super.paintComponent(g);
644
                                        Graphics2D g2 = (Graphics2D)g;
645
                                        try {
646
                                                warning.drawInsideRectangle(g2, g2.getTransform(), getBounds());
647
                                        } catch (SymbolDrawingException e) {
648
                                                // TODO Auto-generated catch block
649
                                                e.printStackTrace();
650
                                        }
651
                                }
652
                        };
653
                        f.setContentPane(preview);
654
                        f.pack();
655
                        f.setVisible(true);
656
                }
657

658
                public void draw(Graphics2D g, AffineTransform affineTransform,
659
                                FShape shp, Cancellable cancel) {
660
                try {
661
                        drawInsideRectangle(g, g.getTransform(), shp.getBounds());
662
                } catch (SymbolDrawingException e) {
663
                        // IMPOSSIBLE
664
                }
665
                }
666

667
                public void setDrawExceptionType(int symbolDrawExceptionType) {
668
                        this.exceptionType = symbolDrawExceptionType;
669
                }
670

671
                public void setMessage(String message) {
672
                        this.message = message;
673
                }
674

675
                public void drawInsideRectangle(Graphics2D g,
676
                                AffineTransform scaleInstance, Rectangle r)
677
                                throws SymbolDrawingException {
678
                        if (message == null) {
679
                                message = "Symbol undrawable.\nPlease, check errors.";
680
                        }
681
                        
682
                        String[] messageLines = message.split("\n");
683
                        int strokeWidth = 5;
684
                        g.setColor(Color.red);
685
                        g.setStroke(new BasicStroke(strokeWidth, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND));
686
                        int x = r.x+strokeWidth;
687
                        int y = r.x+strokeWidth;
688
                        int width = r.width-(strokeWidth+strokeWidth);
689
                        int height = r.height-(strokeWidth+strokeWidth);
690
                        
691
//                        g.drawOval(x, y, width, height);
692
//                        g.drawLine(x, y, width, height);
693
                        int fontSize = 20;
694
                        int vAlign = (int) (r.getCenterY() - ((fontSize+2)*messageLines.length/2));  
695
                        g.setFont(new Font("Arial", fontSize, Font.PLAIN));
696
                        g.setColor(Color.black);
697
                        
698
                        for (int i = 0; i < messageLines.length; i++) {
699
                                g.drawString(messageLines[i], 2, -vAlign);
700
                                System.out.println(messageLines[i]);
701
                                vAlign += fontSize + 2;
702
                        }
703
                }
704
                
705
                public XMLEntity getXMLEntity() {
706
                        throw new Error("Found symbology problems, please fix them before saving."); }
707

708
                public String getDescription() { return desc; }
709
                public int getOnePointRgb() { return 0; }
710
                public ISymbol getSymbolForSelection() { return this; }
711
                public void getPixExtentPlus(FShape shp, float[] distances, ViewPort viewPort, int dpi) {}
712
                public int getSymbolType() { return 0; }
713
                public boolean isShapeVisible() { return false; }
714
                public boolean isSuitableFor(IGeometry geom) { return true; }
715
                public void setDescription(String desc) { this.desc = desc; }
716
                public void setXMLEntity(XMLEntity xml) { }
717
                public String getClassName() { return null;        }
718

719
                public void print(Graphics2D g, AffineTransform at,
720
                                FShape shape, PrintRequestAttributeSet properties)
721
                                throws ReadDriverException {
722
                        throw new ReadDriverException("Your symbology contains errors, please check them before printing.", 
723
                                        new SymbolDrawingException(exceptionType));
724
                }
725

726
                
727
        };*/
728
}