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svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / operations / strategies / StrategyManager.java @ 3329

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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) 2004 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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package com.iver.cit.gvsig.fmap.operations.strategies;
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import com.iver.cit.gvsig.fmap.drivers.BoundedShapes;
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import com.iver.cit.gvsig.fmap.layers.FLayer;
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import com.iver.cit.gvsig.fmap.layers.VectorialAdapter;
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import com.iver.cit.gvsig.fmap.layers.VectorialDBAdapter;
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import com.iver.cit.gvsig.fmap.layers.WFSAdapter;
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//import com.iver.cit.gvsig.fmap.layers.WFSAdapter;
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import com.iver.cit.gvsig.fmap.layers.layerOperations.SingleLayer;
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/**
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 * Clase con m?todos est?ticos para crear la estategia.
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 *
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 * @author Vicente Caballero Navarro
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 */
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public class StrategyManager {
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        /**
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         * Se encarga de, dada una clase que implementa el interfaz vectorial,
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         * seleccionar la estrategia ?ptima de acceso a las capas, devolviendo el
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         * objeto Strategy con la capa vectorial asociada.
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         *
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         * @param v SingleLayer.
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         *
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         * @return Estrategia.
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         */
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        public static Strategy getStrategy(SingleLayer v) {
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        if (v.getStrategy() != null)
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        {
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            return v.getStrategy();
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        }
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                if (v.getSource().getDriver() instanceof BoundedShapes) {
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                        return new ShpStrategy((FLayer) v);
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                } else {
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                    if (v.getSource() instanceof VectorialDBAdapter)
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                        return new DBStrategy((FLayer) v);
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                    /* else if (v.getSource() instanceof WFSAdapter)
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                        return new WFSStrategy((FLayer) v); */
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                        else  
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                        return new DefaultStrategy((FLayer) v);
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                }
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        }
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        /**
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         * Crea un ShapeInfo en memoria o en disco en funci?n de la memoria
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         * disponible
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         *
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         * @param adapter VectorialAdapter.
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         *
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         * @return ShapeInfo.
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         */
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        public static ShapeInfo createShapeInfo(VectorialAdapter adapter) {
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                //TODO falta que implementar el DiskShapeInfo.
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                return new MemoryShapeInfo();
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        }
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}