Application: gvSIG desktop » gvSIG data providers based on gdal

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2016 gvSIG Association

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.gdal.prov.gml;

import java.io.File;

import java.util.ArrayList;

import java.util.List;

import org.gdal.gdal.gdal;

import org.gdal.ogr.DataSource;

import org.gdal.ogr.Layer;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.NewDataStoreParameters;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.exception.InitializeException;

import org.gvsig.fmap.dal.spi.DataServerExplorerProviderServices;

import org.gvsig.gdal.prov.ogr.OGRDataExplorer;

import org.gvsig.gdal.prov.ogr.OGRDataExplorerParameters;

import org.gvsig.gdal.prov.ogr.OGRDataStoreProvider;

import org.gvsig.gdal.prov.ogr.OGRNewDataStoreParameters;

import org.gvsig.gdal.prov.ogr.OGRUnsupportedFormatException;

/**

 * @author <a href="mailto:lmarques@disid.com">Lluis Marques</a>

 *

 */

public class GMLDataExplorer extends OGRDataExplorer {

    /**

     * 

     */

    public static final String NAME = "GMLDataExplorer";

    /**

     * @param parameters

     *            Parameters to open data explorer.

     * @param providerServices

     *            Available services

     * @throws InitializeException

     *             If there is some error initializating this store provider

     */

    public GMLDataExplorer(OGRDataExplorerParameters parameters,

        DataServerExplorerProviderServices providerServices) throws InitializeException {

        super(parameters, providerServices);

    }

    @Override

    protected synchronized DataSource getDataSource() throws OGRUnsupportedFormatException {

        try {

            if (this.parameters instanceof GMLDataExplorerParameters) {

                GMLDataExplorerParameters gmlDataExplorerParameters =

                    (GMLDataExplorerParameters) this.parameters;

                if (gmlDataExplorerParameters.getGfsSchema() != null) {

                    gdal.SetConfigOption("GML_GFS_TEMPLATE", gmlDataExplorerParameters

                        .getGfsSchema().getAbsolutePath());

                }

                return super.getDataSource();

            } else {

                throw new IllegalStateException(

                    "Parameters of GML Data explorer is not instance of GMLDataExplorerParameters");

            }

        } finally {

            gdal.SetConfigOption("GML_GFS_TEMPLATE", null);

        }

    }

    @Override

    public NewDataStoreParameters getAddParameters(String storeName) throws DataException {

        if (getDataStoreProviderNames().contains(storeName)) {

            NewDataStoreParameters newDataStoreParameters = super.getAddParameters(storeName);

            if (OGRDataStoreProvider.NAME.equals(storeName)) {

                return newDataStoreParameters;

            } else if (GMLDataStoreProvider.NAME.equals(storeName)

                && newDataStoreParameters instanceof OGRNewDataStoreParameters) {

                ((OGRNewDataStoreParameters) newDataStoreParameters).setDriverName("GML");

                return newDataStoreParameters;

            }

        }

        return null;

    }

    @SuppressWarnings("unchecked")

    @Override

    public List getDataStoreProviderNames() {

        List<String> providerNames = super.getDataStoreProviderNames();

        providerNames.add(GMLDataStoreProvider.NAME);

        return providerNames;

    }

    @Override

    public List list(int mode) throws DataException {

        List<Layer> layerList = getLayerList();

        List<GMLDataStoreParameters> parametersList = new ArrayList<GMLDataStoreParameters>();

        DataManager dataManager = DALLocator.getDataManager();

        GMLDataExplorerParameters gmlDataExplorerParameters =

            (GMLDataExplorerParameters) this.parameters;

        for (Layer layer : layerList) {

            GMLDataStoreParameters storeParameters =

                (GMLDataStoreParameters) dataManager

                    .createStoreParameters(GMLDataStoreProvider.NAME);

            String connectionString = gmlDataExplorerParameters.getConnectionString();

            File file = gmlDataExplorerParameters.getFile();

            File gfsSchema = gmlDataExplorerParameters.getGfsSchema();

            storeParameters.setConnectionString(connectionString);

            storeParameters.setFile(file);

            storeParameters.setGfsSchema(gfsSchema);

            storeParameters.setLayerName(layer.GetName());

            parametersList.add(storeParameters);

        }

        return parametersList;

    }

}