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

import java.awt.geom.Rectangle2D;

import java.io.File;

import java.io.IOException;

import java.net.URL;

import java.sql.SQLException;

import java.sql.Types;

import java.util.TreeMap;

import org.apache.log4j.Logger;

import org.cresques.cts.IProjection;

import com.hardcode.driverManager.Driver;

import com.hardcode.driverManager.DriverLoadException;

import com.hardcode.driverManager.DriverManager;

import com.hardcode.gdbms.engine.customQuery.QueryManager;

import com.hardcode.gdbms.engine.data.DataSource;

import com.hardcode.gdbms.engine.data.DataSourceFactory;

import com.hardcode.gdbms.engine.data.NoSuchTableException;

import com.hardcode.gdbms.engine.data.edition.DataWare;

import com.hardcode.gdbms.engine.instruction.FieldNotFoundException;

import com.hardcode.gdbms.engine.values.Value;

import com.hardcode.gdbms.engine.values.ValueFactory;

import com.iver.cit.gvsig.fmap.DriverException;

import com.iver.cit.gvsig.fmap.ProgressListener;

import com.iver.cit.gvsig.fmap.ViewPort;

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

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

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

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

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

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

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

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

import com.iver.cit.gvsig.fmap.operations.arcview.ArcJoin;

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

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

/**

 * Crea un adaptador del driver que se le pasa como par?metro en los m?todos

 * createLayer. Si hay memoria suficiente se crea un FLyrMemory que pasa todas

 * las features del driver a memoria

 */

public class LayerFactory {

        private static Logger logger = Logger.getLogger(LayerFactory.class.getName());

        private static String driversPath = "../FMap 03/drivers";

        private static DriverManager driverManager;

        private static DataSourceFactory dataSourceFactory;

        /**

         * Map en el que se guarda para cada fuente de datos a?adida al sistema, el

         * adaptador que la maneja. Ha de ser un TreeMap ya que esta clase define

         * la igualdad entre las claves a traves del m?todo equals de las mismas.

         * Los objetos FileSource, DBSource y WFSSource tienen definido el m?todo

         * equals de forma que devuelven true cuando dos objetos apuntan a la

         * misma fuente de datos

         */

        private static TreeMap sourceAdapter;

        /*

         * Crea un RandomVectorialFile con el driver que se le pasa como par?metro

         * y guard?ndose el nombre del fichero para realizar los accesos, la capa

         * tendr? asociada la proyecci?n que se pasa como parametro tambi?n

         *

         * @param layerName Nombre de la capa.

         * @param driverName Nombre del driver.

         * @param f fichero.

         * @param proj Proyecci?n.

         *

         * @return FLayer.

         * @throws DriverException

         *

         * @throws DriverException

         * @throws DriverIOException

         */

        public static FLayer createLayer(String layerName, String driverName,

                File f, IProjection proj) throws DriverException  {

                //Se obtiene el driver que lee

                DriverManager dm = getDM();

                try {

                        Driver d = dm.getDriver(driverName);

                        if (d instanceof VectorialFileDriver) {

                                return createLayer(layerName, (VectorialFileDriver) d, f, proj);

                        } else if (d instanceof RasterDriver) {

                                return createLayer(layerName, (RasterDriver) d, f, proj);

                        }

                } catch (DriverLoadException e) {

                        throw new DriverException(e);

                }

                return null;

        }

        /**

         * Crea un RandomVectorialFile con el driver que se le pasa como par?metro

         * y guard?ndose el nombre del fichero para realizar los accesos, la capa

         * tendr? asociada la proyecci?n que se pasa como parametro tambi?n

         *

         * @param layerName Nombre del Layer.

         * @param d VectorialAdapter.

         * @param f Fichero.

         * @param proj Proyecci?n.

         *

         * @return FLayer creado.

         *

         * @throws DriverException

         */

        public static FLayer createLayer(String layerName, VectorialFileDriver d,

                File f, IProjection proj) throws DriverException {

                //TODO Comprobar si hay un adaptador ya

                VectorialFileAdapter adapter = new VectorialFileAdapter(f);

                adapter.setDriver((VectorialDriver) d);

                FLyrVect capa = new FLyrVect();

                capa.setName(layerName);

                //TODO Meter esto dentro de la comprobaci?n de si hay memoria

                if (false) {

                } else {

                        capa.setSource(adapter);

                        capa.setProjection(proj);

                }

                try {

                        // Le asignamos tambi?n una legenda por defecto acorde con

                        // el tipo de shape que tenga. Tampoco s? si es aqu? el

                        // sitio adecuado, pero en fin....

                        if (d instanceof WithDefaultLegend) {

                                WithDefaultLegend aux = (WithDefaultLegend) d;

                                adapter.start();

                                capa.setLegend((VectorialLegend) aux.getDefaultLegend());

                                adapter.stop();

                        } else {

                                capa.setLegend(LegendFactory.createSingleSymbolLegend(

                                                capa.getShapeType()));

                        }

                } catch (FieldNotFoundException e) {

                        //Esta no puede saltar

                } catch (DriverIOException e) {

                        throw new DriverException(e);

                }

                return capa;

        }

        /**

         * Crea una capa WMS con el driver que se le pasa como par?metro y

         * guard?ndose el nombre del fichero para realizar los accesos, la capa

         * tendr? asociada la proyecci?n que se pasa como parametro tambi?n

         *

         * @param layerName Nombre de la capa.

         * @param rect extent

         * @param host URL.

         * @param format Formato

         * @param query Consulta.

         * @param infoQuery inforamci?n de la consulta.

         * @param srs SRS.

         *

         * @return Capa creada.

         */

        public static FLayer createLayer(String layerName, Rectangle2D rect,

                URL host, String format, String query, String infoQuery, String srs) {

                FLyrWMS layer = new FLyrWMS();

                layer.setHost(host);

                layer.setFullExtent(rect);

                layer.setFormat(format);

                layer.setLayerQuery(query);

                layer.setInfoLayerQuery(infoQuery);

                layer.setSRS(srs);

                layer.setName(layerName);

                return layer;

        }

        /**

         * Crea una capa Raster a partir del nombre driver, fichero y proyecci?n.

         *

         * @param layerName Nombre de la capa.

         * @param d RasterDriver.

         * @param f Fichero.

         * @param proj Proyecci?n.

         *

         * @return Nueva capa de tipo raster.

         *

         * @throws DriverIOException

         */

        public static FLyrRaster createLayer(String layerName, RasterDriver d,

                File f, IProjection proj) throws DriverException {

                RasterAdapter adapter = new RasterFileAdapter(f);

                adapter.setDriver(d);

                FLyrRaster capa = new FLyrRaster();

                capa.setName(layerName);

                //TODO Meter esto dentro de la comprobaci?n de si hay memoria

                if (false) {

                } else {

                        capa.setSource(adapter);

                        capa.setProjection(proj);

                        try {

                                capa.load();

                        } catch (DriverIOException e) {

                                throw new DriverException(e);

                        }

                }

                return capa;

        }

        /**

         * Crea una capa Raster a partir del nombre driver, fichero y proyecci?n y 

         * coordenadas de georeferenciaci?n. Esta funci?n es para georeferenciar 

         * capas raster. Para imagenes que no tienen georeferenciaci?n hay que asignarle

         * una temporal, normalmente a partir de la vista activa.

         *

         * @param layerName Nombre de la capa.

         * @param d RasterDriver.

         * @param f Fichero.

         * @param proj Proyecci?n.

         * @param extent Extent de la vista activa

         *

         * @return Nueva capa de tipo raster.

         *

         * @throws DriverIOException

         */

        public static FLyrRaster createLayer(String layerName, RasterDriver d,

                File f, IProjection proj, ViewPort vp) throws DriverException {

                RasterAdapter adapter = new RasterFileAdapter(f);

                adapter.setDriver(d);

                FLyrRaster capa = new FLyrRaster();

                capa.setName(layerName);

                //TODO Meter esto dentro de la comprobaci?n de si hay memoria

                if (false) {

                } else {

                        capa.setSource(adapter);

                        capa.setProjection(proj);

                        //capa.setTempExtent(vp);

                        try {

                                capa.load();

                        } catch (DriverIOException e) {

                                throw new DriverException(e);

                        }

                }

                return capa;

        }

        /**

         * Crea un RandomVectorialWFS con el driver que se le pasa como par?metro y

         * guard?ndose la URL del servidor que se pasa como par?metro

         *

         * @param driver Driver WFS.

         * @param host URL.

         * @param proj Proyecci?n.

         *

         * @return Capa creada.

         *

         * @throws UnsupportedOperationException

         */

        public static FLayer createWFSLayer(String layerName,VectorialDriver driver, URL host,

                IProjection proj) {

                //throw new UnsupportedOperationException();

                FLyrVect layer=new FLyrVect();

                //layer.setName(name);

                VectorialAdapter adapter=new WFSAdapter();

                adapter.setDriver(driver);

                //WithDefaultLegend aux=(WithDefaultLegend)driver;

                layer.setName(layerName);

                layer.setSource(adapter);

                layer.setProjection(proj);

                try {

                        layer.setLegend(LegendFactory.createSingleSymbolLegend(

                                        layer.getShapeType()));

                } catch (FieldNotFoundException e) {

                        e.printStackTrace();

                } catch (DriverException e) {

                        e.printStackTrace();

                }

                //layer.setHost(host);

                return layer;

        }

    public static FLayer createArcSDELayer(String layerName,VectorialDatabaseDriver driver, IProjection proj) {

            //throw new UnsupportedOperationException();

            FLyrVect layer=new FLyrVect();

            VectorialAdapter adapter=new VectorialDBAdapter();

            adapter.setDriver(driver);

            layer.setName(layerName);

            layer.setSource(adapter);

            layer.setProjection(proj);

            try {

                if (driver instanceof WithDefaultLegend) {

                    WithDefaultLegend aux = (WithDefaultLegend) driver;

                    adapter.start();

                    layer.setLegend((VectorialLegend) aux.getDefaultLegend());

                    adapter.stop();

                } else { 

                    layer.setLegend(LegendFactory.createSingleSymbolLegend(

                            layer.getShapeType()));

                }

            } catch (FieldNotFoundException e) {

                throw new UnsupportedOperationException(e.getMessage());

            } catch (DriverIOException e) {

                throw new UnsupportedOperationException(e.getMessage());

            } catch (DriverException e) {

                // TODO Auto-generated catch block

                e.printStackTrace();

            }

            try {

                layer.setLegend(LegendFactory.createSingleSymbolLegend(

                        layer.getShapeType()));

            } catch (FieldNotFoundException e) {

                e.printStackTrace();

            } catch (DriverException e) {

                e.printStackTrace();

            }

            return layer;

        }

        /**

         * Crea un RandomVectorialWFS con el driver que se le pasa como par?metro y

         * guard?ndose la URL del servidor que se pasa como par?metro

         *

         * @param driver

         * @param host

         * @param port

         * @param user

         * @param password

         * @param dbName

         * @param tableName

         * @param proj

         *

         * @return Capa creada.

         *

         * @throws UnsupportedOperationException

         */

        public static FLayer createLayer(VectorialDatabaseDriver driver,

                String host, int port, String user, String password, String dbName,

                String tableName, IProjection proj) {

                throw new UnsupportedOperationException();

        }

        public static FLayer createDBLayer(VectorialDatabaseDriver driver,String layerName, IProjection proj)

        {

                FLyrVect capa = new FLyrVect();

                capa.setName(layerName);

                VectorialDBAdapter dbAdapter = new VectorialDBAdapter();

                dbAdapter.setDriver(driver);                        

                capa.setSource(dbAdapter);

                capa.setProjection(proj);

                try {

                        if (driver instanceof WithDefaultLegend) {

                                WithDefaultLegend aux = (WithDefaultLegend) driver;

                                dbAdapter.start();

                    capa.setLegend((VectorialLegend) aux.getDefaultLegend());

                                dbAdapter.stop();

                        } else { 

                                capa.setLegend(LegendFactory.createSingleSymbolLegend(

                                                capa.getShapeType()));

                        }

        } catch (FieldNotFoundException e) {

            throw new UnsupportedOperationException(e.getMessage());

        } catch (DriverException e) {

            throw new UnsupportedOperationException(e.getMessage());

        }

                return capa;

                }

        /**

         * @param driver

         * @param layerName

         * @param object

         * @return

         * @throws SQLException

         * @throws DriverIOException

         * @throws IOException

         * @throws DriverLoadException

         * @throws com.hardcode.gdbms.engine.data.driver.DriverException

         * @throws NoSuchTableException

         * @throws ClassNotFoundException

         * @throws 

         */

        public static FLayer createDisconnectedDBLayer(VectorialJDBCDriver driver, String layerName, IProjection proj, ProgressListener listener) throws SQLException, IOException, DriverIOException, DriverLoadException, NoSuchTableException, com.hardcode.gdbms.engine.data.driver.DriverException, ClassNotFoundException {

            VectorialDisconnectedDBAdapter dbAdapter = new VectorialDisconnectedDBAdapter();

            dbAdapter.setDriver(driver);

            DataSource ds = dbAdapter.getRecordset();

            ds.start();

            String database = dataSourceFactory.getTempFile();

            String[] fieldNames = new String[ds.getFieldCount() + 1];

            System.arraycopy(ds.getFieldNames(), 0, fieldNames, 1, ds.getFieldCount());

            fieldNames[0] = "the_geom";

            int[] types = new int[fieldNames.length];

            types[0] = Types.BINARY;

            for (int i = 1; i < types.length; i++) {

            types[i] = ds.getFieldType(i-1);

        }

            String dsName = dataSourceFactory.createTable(database, ds.getPKNames(), fieldNames, types);

        DBLayerDefinition lyrDef = new DBLayerDefinition();

        lyrDef.setTableName(dsName);

        lyrDef.setLayerName(layerName);

        lyrDef.setFieldNames(ds.getFieldNames());

        lyrDef.setFieldGeometry("the_geom");

        lyrDef.setFieldID(ds.getPKNames()[0]);

        lyrDef.setClassToInstantiate("org.hsqldb.jdbcDriver");

            dataSourceFactory.addDBDataSourceByTable(dsName, null, 0, "sa", "", database, dsName, "GDBMS HSQLDB Transactional driver");

            DataSource local = dataSourceFactory.createRandomDataSource(dsName, DataSourceFactory.MANUAL_OPENING);

            local.start();

            DataWare dw = local.getDataWare(DataSourceFactory.DATA_WARE_COHERENT_ROW_ORDER);

            dw.start();

            long t1 = System.currentTimeMillis();

            dw.beginTrans();

            if (listener == null){

                listener = new ProgressListener() {

                /**

                 * @see com.iver.cit.gvsig.fmap.ProgressListener#progress(int)

                 */

                public void progress(int n) {

                    //do nothing

                }

            };

            }

            for (int i = 0; i < dbAdapter.getShapeCount(); i++) {

                Value[] row = new Value[ds.getFieldCount() + 1];

                byte[] bytes = dbAdapter.getShape(i).toWKB();

                row[0] = ValueFactory.createValue(bytes);

                for (int j = 0; j < ds.getFieldCount(); j++) {

                    row[j+1] = ds.getFieldValue(i, j);                

            }

                dw.insertFilledRow(row);

                listener.progress(100 * i / dbAdapter.getShapeCount());

        }

            long t2 = System.currentTimeMillis();

            dw.commitTrans();

            long t3 = System.currentTimeMillis();

            System.out.println((t2 - t1) + " - " + (t3 - t2));

            dw.stop();

            local.stop();

            ds.stop();

            VectorialJDBCDriver cacheDriver = (VectorialJDBCDriver) LayerFactory.getDM().getDriver("HSQLDB Driver");

        Class.forName("org.hsqldb.jdbcDriver");

            cacheDriver.setData(java.sql.DriverManager.getConnection("jdbc:hsqldb:file:" + database, "sa", ""), lyrDef);

            cacheDriver.setWorkingArea(driver.getWorkingArea());

        return createDBLayer(cacheDriver, layerName, proj);

        }

        /**

         * Obtiene el adaptador de un driver si ya se ha a?adido el origen de datos

         * o null si es un origen de datos nuevo

         *

         * @param source Adaptador.

         */

        private static void getAdapter(Source source) {

        }

        /**

         * Registra la asociaci?n entre la fuente de datos que se pasa como

         * par?metro y el VectorialAdapter que se pasa como par?metro, para

         * satisfacer futuras llamadas a getAdapter

         *

         * @param s Adaptador

         * @param a VectorialAdapter.

         */

        private static void saveSourceAdapter(Source s, VectorialAdapter a) {

        }

        /**

         * Crea una FLyrComplexRaster que ataca al driver que se pasa como

         * par?metro.

         *

         * @param driver

         * @param f

         * @param proj

         *

         * @throws IllegalArgumentException Si se pasa un driver que no implementa

         *                    GeorreferencedRasterDriver o NotGeorreferencedRasterDriver

         */

        public static void createLayer(RasterDriver driver, File f, IProjection proj)

                throws IllegalArgumentException {

        }

        /**

         * Devuelve el DriverManager.

         *

         * @return DriverManager.

         */

        public static DriverManager getDM() {

                initializeDriverManager();

                return driverManager;

        }

        /**

         * Inicializa el DriverManager.

         */

        private static void initializeDriverManager() {

                if (driverManager == null) {

                        driverManager = new DriverManager();

                        driverManager.loadDrivers(new File(LayerFactory.driversPath));

                        Throwable[] failures = driverManager.getLoadFailures();

                        for (int i = 0; i < failures.length; i++) {

                                logger.error("", failures[i]);

                        }

                        getDataSourceFactory().setDriverManager(driverManager);

                        getDataSourceFactory().initialize();

                        QueryManager.registerQuery(new ArcJoin());

                }

        }

        /**

         * sets drivers Directory

         *

         * @param path

         */

        public static void setDriversPath(String path) {

                LayerFactory.driversPath = path;

                initializeDriverManager();

        }

        /**

         * @return Returns the dataSourceFactory.

         */

        public static DataSourceFactory getDataSourceFactory() {

                if (dataSourceFactory == null){

                        dataSourceFactory = new DataSourceFactory();

                }

                return dataSourceFactory;

        }

}