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/*

 * Cresques Mapping Suite. Graphic Library for constructing mapping applications.

 *

 * Copyright (C) 2004-5.

 *

 * 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:

 *

 * cresques@gmail.com

 */

package org.cresques.cts;

import org.cresques.cts.gt2.CSDatum;

import org.cresques.cts.gt2.CSGaussPt;

import org.cresques.cts.gt2.CSLambertCC;

import org.cresques.cts.gt2.CSUTM;

import org.cresques.cts.gt2.CoordSys;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.Map;

import java.util.TreeMap;

/**

 * Pool de proyeccions (cs+datum) conocidas.

 * @author "Luis W. Sevilla" <sevilla_lui@gva.es>

 */

public class ProjectionPool {

    static TreeMap data = null;

    static {

        CoordSys cs = null;

        data = new TreeMap();

        cs = (new CSUTM(CSDatum.wgs84, 30)).toGeo();

        cs.setAbrev("EPSG:4326"); // WGS84 (World Geodesic Datum)

        data.put(cs.getAbrev(), cs);

        data.put("CRS:84", cs); // CRS:84 = EPSG:4326

        cs = (new CSUTM(CSDatum.ed50, 30)).toGeo();

        cs.setAbrev("EPSG:4230"); // Datum Europeu Internacional ED50

        data.put(cs.getAbrev(), cs);

        cs = (new CSUTM(CSDatum.d73, 30)).toGeo();

        cs.setAbrev("EPSG:4274"); // Datum 73 de Lisboa

        data.put(cs.getAbrev(), cs);

        cs = (new CSUTM(CSDatum.nad27, 30)).toGeo();

        cs.setAbrev("EPSG:4267"); // NAD 27

        data.put(cs.getAbrev(), cs);

        cs = (new CSUTM(CSDatum.nad83, 30)).toGeo();

        cs.setAbrev("EPSG:4269"); // NAD 83

        data.put(cs.getAbrev(), cs);

        cs = (new CSUTM(CSDatum.lomaQuintana, 30)).toGeo();

        cs.setAbrev("EPSG:4288"); // PSAD 56 'Loma Quintana'

        data.put(cs.getAbrev(), cs);

        cs = (new CSUTM(CSDatum.laCanoa, 30)).toGeo();

        cs.setAbrev("EPSG:4247"); // PSAD 56 'Loma Quintana'

        data.put(cs.getAbrev(), cs);

        for (int i = 1; i <= 60; i++) {

            String huso = Integer.toString(i);

            if (i < 10) {

                huso = "0" + huso;

            }

            cs = new CSUTM(CSDatum.wgs84, i);

            cs.setAbrev("EPSG:326" + huso);

            data.put(cs.getAbrev(), cs);

            cs = new CSUTM(CSDatum.ed50, i);

            cs.setAbrev("EPSG:230" + huso);

            data.put(cs.getAbrev(), cs);

        }

        for (int i = 3; i <= 23; i++) {

            String huso = Integer.toString(i);

            if (i < 10) {

                huso = "0" + huso;

            }

            cs = new CSUTM(CSDatum.nad27, i);

            cs.setAbrev("EPSG:267" + huso);

            data.put(cs.getAbrev(), cs);

            cs = new CSUTM(CSDatum.nad83, i);

            cs.setAbrev("EPSG:269" + huso);

            data.put(cs.getAbrev(), cs);

        }

        cs = CSGaussPt.hgd73;

        cs.setAbrev("EPSG:27492"); // Projec??o Gauss do Datum 73 de Lisboa (no EPSG found)

        data.put(cs.getAbrev(), cs);

        cs = new CSUTM(CSDatum.d73, 29);

        cs.setAbrev("EPSG:27429"); // Projec??o Gauss do Datum 73 de Lisboa (no EPSG found)

        data.put(cs.getAbrev(), cs);

        for (int i = 18; i <= 21; i++) {

            String huso = Integer.toString(i);

            if (i < 10) {

                huso = "0" + huso;

            }

            cs = new CSUTM(CSDatum.lomaQuintana, i);

            cs.setAbrev("EPSG:288" + huso);

            data.put(cs.getAbrev(), cs);

            cs = new CSUTM(CSDatum.laCanoa, i);

            cs.setAbrev("EPSG:247" + huso);

            data.put(cs.getAbrev(), cs);

        }

        //                cs = new CSLambertCC(CSDatum.nad27, -105D, 49D, 49D, 77D, 0, 0);

        //                cs.setAbrev("LCCCan");

        //                data.put(cs.getAbrev(), cs);

        /* Para el server WMS de canad?:

         * EPSG:42101

         * EPSG:42304

         * EPSG:4269

         */

        /*

         * 42101,PROJCS["WGS 84 / LCC Canada",

         * GEOGCS["WGS 84",DATUM["WGS_1984",

         * SPHEROID["WGS_1984",6378137,298.257223563]],

         * PRIMEM["Greenwich",0],UNIT["Decimal_Degree",0.0174532925199433]],

         *

         * PROJECTION["Lambert_Conformal_Conic_2SP"],

         * PARAMETER["central_meridian",-95.0],

         * PARAMETER["latitude_of_origin",0],

         * PARAMETER["standard_parallel_1",49.0],

         * PARAMETER["standard_parallel_2",77.0],

         * PARAMETER["false_easting",0.0],

         * PARAMETER["false_northing",-8000000.0],

         * UNIT["Meter",1],AUTHORITY["EPSG","42101"]]

         */

        cs = new CSLambertCC(CSDatum.wgs84, -95, 0, 49, 77, 0, -8000000.0);

        cs.setAbrev("EPSG:42101");

        data.put(cs.getAbrev(), cs);

        /* 42304,PROJCS["NAD83 / NRCan LCC Canada",

         * GEOGCS["NAD83",DATUM["North_American_Datum_1983",

         * SPHEROID["GRS_1980",6378137,298.257222101]],

         * PRIMEM["Greenwich",0],

         * UNIT["Decimal_Degree",0.0174532925199433]],

         *

         * PROJECTION["Lambert_Conformal_Conic_2SP"],

         * PARAMETER["central_meridian",-95.0],

         * PARAMETER["latitude_of_origin",49.0],

         * PARAMETER["standard_parallel_1",49.0],

         * PARAMETER["standard_parallel_2",77.0],

         * PARAMETER["false_easting",0.0],

         * PARAMETER["false_northing",0.0],

         * UNIT["Meter",1],AUTHORITY["EPSG","42304"]]

         */

        cs = new CSLambertCC(CSDatum.nad83, -95, 49, 49, 77, 0, 0);

        cs.setAbrev("EPSG:42304");

        data.put(cs.getAbrev(), cs);

        /*

         * EPSG:26915 - NAD83 / UTM zone 15N

         * EPSG:31466 - Gau?-Kr?ger band 2

         * EPSG:31467 - Gau?-Kr?ger band 3

         * EPSG:4314  - DHDN

         */

    }

    /**

     * Mete una nueva proyeccion en la Pool.

     * @param name abreviatura de la proyecccion (i.e. EPSG:23030)

     * @param proj Proyeccion

     */

    public static void add(String name, IProjection proj) {

        data.put(name, proj);

    }

    /**

     * Devuelve una proyeccion a partir de una cadena.

     * @param name abreviatura de la proyecccion (i.e. EPSG:23030)

     * @return Proyeccion si existe

     */

    public static IProjection get(String name) {

        IProjection proj = null;

        if (ProjectionPool.data.containsKey(name)) {

            proj = (IProjection) ProjectionPool.data.get(name);

        } else {

                // Consultation to remote EPSG database

                // if (right)

                //    buil new IProjection from GML

                // else

            System.err.println("ProjectionPool: Key '" + name + "' not set.");

        }

        return proj;

    }

    public static Iterator iterator() {

        ArrayList projs = new ArrayList();

        Iterator iter = data.entrySet().iterator();

        while (iter.hasNext()) {

            projs.add(((Map.Entry) iter.next()).getValue());

        }

        return projs.iterator();

    }

    /**

     * Devuelve una proyeccion a partir de un codig epsg.

     * @param name codigo de la proyecccion (i.e. 23030)

     * @return Proyeccion si existe

     */

    private static IProjection getByEpsg(String code) {

        IProjection proj = get("EPSG:" + code);

        return proj;

    }

}