root / trunk / extensions / extGraph_predes / src / com / iver / cit / gvsig / fmap / core / symbols / SymbolFactory.java @ 8516
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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: SymbolFactory.java 8516 2006-11-06 07:34:21Z jaume $
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* $Log$
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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.symbols; |
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import com.iver.andami.messages.NotificationManager; |
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import com.iver.cit.gvsig.fmap.core.ISymbol; |
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import com.iver.utiles.NotExistInXMLEntity; |
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import com.iver.utiles.XMLEntity; |
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/**
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* Factory for obtaining ISymbols 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>
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* </ol>
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*
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* @author jaume dominguez faus - jaume.dominguez@iver.es
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*/
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public class SymbolFactory { |
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/**
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* Factory that allows to create ISymbol from an ISymbol xml
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* descriptor. A barely specific XMLEntity object
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*/
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public static ISymbol createFromXML(XMLEntity xml) { |
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String className = null; |
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try {
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className = xml.getStringProperty("className");
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} catch (NotExistInXMLEntity e) {
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NotificationManager. |
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addError("Symbol 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 symbol", e);
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} |
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Class clazz = null; |
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ISymbol sym = null;
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try {
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clazz = Class.forName(className);
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sym = (ISymbol) clazz.newInstance(); |
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sym.setXMLEntity(xml); |
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} catch (InstantiationException e) { |
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NotificationManager. |
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addError("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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NotificationManager.addError(null, e);
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} catch (ClassNotFoundException e) { |
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NotificationManager.addError("No class called " + className +
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" was found.\nCheck the following.\n" +
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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" + |
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"\t- The jar file containing your symbol class is in" +
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"the application classpath", e);
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} |
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return sym;
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} |
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} |