gvSIG data provider for OpenStreetMap (raster)

/* OSM layers for gvSIG. 

 * Geographic Information System of the Valencian Government

*

* Copyright (C) 2012 Nacho Brodin

* 

* 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.

* 

*/

package org.gvsig.raster.osm.app.osmclient;

import java.io.File;

import java.io.IOException;

import java.sql.ResultSet;

import javax.swing.JOptionPane;

import org.cresques.cts.IProjection;

import org.gvsig.about.AboutManager;

import org.gvsig.about.AboutParticipant;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.ApplicationManager;

import org.gvsig.app.extension.AddLayer;

import org.gvsig.fmap.crs.CRSFactory;

import org.gvsig.i18n.Messages;

import org.gvsig.raster.osm.app.osmclient.layer.FLyrOSM;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * Extension for adding open street map support to gvSIG.

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class OSMClientExtension extends Extension {

        private Logger              log           = LoggerFactory.getLogger(OSMClientExtension.class);

        private String              fileCheck     = System.getProperty("user.home") + File.separator + "gvSIG" + File.separator + "osm_epsg_error";

        private String              epsgCode      = "3857";

        public void initialize() {

                /*

                         #Thu May 23 15:49:23 CEST 2013

                        Map_Quest=Map Quest*http\://oatile1.mqcdn.com/tiles/1.0.0/map*20*png

                        Stamen=Stamen*http\://a.tile.stamen.com/terrain*17*jpg

                        Open_Cycle_Map=Open Cycle Map*http\://tile.opencyclemap.org/cycle/*16*png

                        Stamen_Toner=Stamen Toner*http\://tile.stamen.com/toner*17*jpg

                        Map_Quest_Open_Aerial=Map Quest Open Aerial*http\://otile1.mqcdn.com/tiles/1.0.0/sat*20*jpg

                        Mapnik=Mapnik*http\://tile.openstreetmap.org/*18*png

                        Stamen_Water_Color=Stamen Water Color*http\://tile.stamen.com/watercolor*17*jpg

                 */

                IconThemeHelper.registerIcon(null, "icon-layer-osm", this);

        }

        public void postInitialize() {

                FLyrOSM.registerPersistent();

                addAboutInfo();

                AddLayer.addWizard(AddOSMLayerWizard.class);

                loadEpsgCodeInJCRSUserDatabase();

        }

        private void loadEpsgCodeInJCRSUserDatabase() {

                IProjection proj = null;

                try {

                        proj = CRSFactory.getCRS("EPSG:" + epsgCode);

                } catch(Exception e) {

                }

                if(proj != null)

                        return;

                String wkt = "'PROJCS[\"WGS 84 / Pseudo-Mercator\",GEOGCS[\"Popular Visualisation CRS\",DATUM[\"D_Popular_Visualisation_Datum\",SPHEROID[\"Popular_Visualisation_Sphere\",6378137,0]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.017453292519943295]],PROJECTION[\"Mercator\"],PARAMETER[\"central_meridian\",0],PARAMETER[\"scale_factor\",1],PARAMETER[\"false_easting\",0],PARAMETER[\"false_northing\",0],UNIT[\"Meter\",1]]'";

                try {

                        es.idr.teledeteccion.connection.EpsgConnection conn = new es.idr.teledeteccion.connection.EpsgConnection();

                        conn.setConnectionUsr();

                        String query = "SELECT usr_code FROM USR WHERE usr_code='" + epsgCode + "'";

                        ResultSet result = es.idr.teledeteccion.connection.Query.select(query, conn.getConnection());

                        //Si no existe en c?digo se inserta para que la proyecci?n est? disponible

                        if(result == null || !result.next()) { 

                                String sentence = "INSERT INTO USR VALUES(" + epsgCode + ", " + wkt + ",'WGS 84 / Pseudo-Mercator','Usuario2','Popular_Visualisation_Datum')";

                                conn.update(sentence);

                                conn.shutdown();

                        }

                } catch (Throwable e) {

                        File f = new File(fileCheck);

                        if(!f.exists())

                                messageErrorEpsg("error_loading_epsg", f);

                        log.info("Error accediendo a JCRS", e);

                        return;

                } 

        }

        public void messageErrorEpsg(String msg, File f) {

                String string1 = Messages.getText("dont_remind_me_anymore");

                String string2 = Messages.getText("ok");

                Object[] options = {string1, string2};

                int n = JOptionPane.showOptionDialog(null,

                                        "<html>" + Messages.getText(msg).replaceAll("\n", "<br>") + "</html>",

                                        Messages.getText("confirmacion"),

                                        JOptionPane.YES_NO_OPTION,

                                        JOptionPane.QUESTION_MESSAGE,

                                        null,

                                        options,

                                        string1);

                if (n == 0) {

                        try {

                                f.createNewFile();

                        } catch (IOException e) {

                        }

                }

        }

        public void execute(String actionCommand) {

        }

        public boolean isEnabled() {

                return true;

        }

        public boolean isVisible() {

                return true;

        }

        private void addAboutInfo() {

        ApplicationManager application = ApplicationLocator.getManager();

        AboutManager about = application.getAbout();

        about.addDeveloper("Nacho Brodin", getClass().getClassLoader()

            .getResource("about/osm-about.html"), 2);

        AboutParticipant participant = about.getDeveloper("Nacho Brodin");

        participant.addContribution(

            "OSM",

            "Open Street Map client for gvSIG", 

            2012,1,1, 

            2012,1,15

        );      

    }

}