| gvSIG desktop 1

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

 *

 * Copyright (C) 2006 Prodevelop 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

 *

 *   Prodevelop Integraci?n de Tecnolog?as SL

 *   Conde Salvatierra de ?lava , 34-10

 *   46004 Valencia

 *   Spain

 *

 *   +34 963 510 612

 *   +34 963 510 968

 *   gis@prodevelop.es

 *   http://www.prodevelop.es

 */

package com.iver.cit.gvsig.fmap.layers;

import com.hardcode.driverManager.DriverLoadException;

import com.hardcode.gdbms.driver.exceptions.ReadDriverException;

import com.iver.cit.gvsig.exceptions.layers.DriverLayerException;

import com.iver.cit.gvsig.exceptions.layers.LegendLayerException;

import com.iver.cit.gvsig.exceptions.layers.LoadLayerException;

import com.iver.cit.gvsig.exceptions.layers.NameLayerException;

import com.iver.cit.gvsig.exceptions.layers.ProjectionLayerException;

import com.iver.cit.gvsig.exceptions.layers.XMLLayerException;

import com.iver.cit.gvsig.fmap.crs.CRSFactory;

import com.iver.cit.gvsig.fmap.drivers.DefaultJDBCDriver;

import com.iver.cit.gvsig.fmap.drivers.IVectorialDatabaseDriver;

import com.iver.cit.gvsig.fmap.drivers.WithDefaultLegend;

import com.iver.cit.gvsig.fmap.rendering.IVectorialLegend;

import com.iver.cit.gvsig.fmap.rendering.LegendFactory;

import com.iver.cit.gvsig.fmap.rendering.styling.AttrInTableLabeling;

import com.iver.cit.gvsig.fmap.rendering.styling.ILabelingStrategy;

import com.iver.utiles.XMLEntity;

import org.cresques.cts.IProjection;

public class FLayerVectorialDB extends FLyrVect {

    private boolean loaded = false;

    private IVectorialDatabaseDriver dbDriver = null;

    /* Esto deberia ir en el FLyrDefault */

    public void setProjectionByName(String projectionName)

        throws Exception {

        IProjection proj = CRSFactory.getCRS(projectionName);

        if (proj == null) {

            throw new Exception("No se ha encontrado la proyeccion: " +

                projectionName);

        }

        this.setProjection(proj);

    }

    public void setDriver(IVectorialDatabaseDriver driver) {

        this.dbDriver = driver;

    }

    public void setDriverByName(String driverName) throws ReadDriverException {

                try {

                        this.setDriver(

                          (IVectorialDatabaseDriver)LayerFactory.getDM().getDriver(driverName)

                        );

                } catch (DriverLoadException e) {

                        throw new ReadDriverException(getName(),e);

                }

        }

    public IVectorialDatabaseDriver getDriver() {

        return this.dbDriver;

    }

    /* FIXME: esto tendria que tener declarado un throws de algo*/

        public void wakeUp() throws LoadLayerException {

                if (!loaded) {

                        this.load();

                }

        }

    public void load() throws LoadLayerException {

                if (this.getName() == null || this.getName().length() == 0) {

                        this.setAvailable(false);

                        throw new NameLayerException(this.getName(),null);

                }

                if (this.dbDriver == null) {

                        this.setAvailable(false);

                        //TODO: traducir???

                        throw new DriverLayerException(this.getName(),null);

                }

                if (this.getProjection() == null) {

                        this.setAvailable(false);

                        //TODO: traducir???

                        throw new ProjectionLayerException(this.getName(),null);

                }

//                try {

                        try {

                                ((DefaultJDBCDriver)this.dbDriver).load();

                        } catch (ReadDriverException e1) {

                                throw new LoadLayerException(this.getName(),e1);

                        }

//                } catch (Exception e) {

//                        this.setAvailable(false);

//                        throw new DriverIOException(e);

//                }

//                try {

                        VectorialDBAdapter dbAdapter = new VectorialDBAdapter();

                        dbAdapter.setDriver(this.dbDriver);

                        this.setSource(dbAdapter);

//                } catch (Exception e) {

//                        this.setAvailable(false);

//                        throw new DriverIOException(e);

//                }

//                try {

                        try {

                                this.putLoadSelection();

                                this.putLoadLegend();

                                this.initializeLegendDefault();

                        } catch (XMLException e) {

                                this.setAvailable(false);

                                throw new XMLLayerException(this.getName(),e);

                        } catch (LegendLayerException e) {

                                this.setAvailable(false);

                                throw new LegendLayerException(this.getName(),e);

                        } catch (ReadDriverException e) {

                                this.setAvailable(false);

                                throw new LoadLayerException(this.getName(),e);

                        }

//                } catch (Exception e) {

//                        this.setAvailable(false);

//                        //TODO: traducir???

//                        throw new DriverIOException(e);

//                }

                this.cleanLoadOptions();

        }

    /* Esto deberia ir en FLyrVect */

        private void initializeLegendDefault() throws ReadDriverException, LegendLayerException {

                if (this.getLegend() == null) {

            if (this.getRecordset().getDriver() instanceof WithDefaultLegend) {

                WithDefaultLegend aux = (WithDefaultLegend) this.getRecordset().getDriver();

                this.setLegend((IVectorialLegend) aux.getDefaultLegend());

                ILabelingStrategy labeler = aux.getDefaultLabelingStrategy();

                if (labeler instanceof AttrInTableLabeling) {

                        ((AttrInTableLabeling) labeler).setLayer(this);

                }

                this.setLabelingStrategy(labeler);

            } else {

                this.setLegend(LegendFactory.createSingleSymbolLegend(

                        this.getShapeType()));

            }

                }

        }

    public void setXMLEntity(XMLEntity xml) throws XMLException {

        IProjection proj = null;

        if (xml.contains("proj")) {

            proj = CRSFactory.getCRS(xml.getStringProperty("proj"));

        }

        else {

            proj = this.getMapContext().getViewPort().getProjection();

        }

        this.setName(xml.getName());

        this.setProjection(proj);

        String driverName = xml.getStringProperty("db");

        IVectorialDatabaseDriver driver;

        try {

            driver = (IVectorialDatabaseDriver) LayerFactory.getDM()

                                                           .getDriver(driverName);

            //Hay que separar la carga de los datos del XMLEntity del load.

            driver.setXMLEntity(xml.getChild(2));

            this.setDriver(driver);

        }

        catch (Exception e) {

            throw new XMLException(e);

        }

        super.setXMLEntityNew(xml);

    }

}