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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.io;

import java.awt.geom.AffineTransform;

import java.awt.geom.Point2D;

import java.util.Date;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.cresques.geo.Projected;

import org.cresques.px.Extent;

import org.cresques.px.IObjList;

/**

 * Ancestro de todos los formatos geogr?ficos

 *

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

 */

public abstract class GeoFile implements Projected, Extent.Has {

    IProjection proj = null;

    protected Extent extent = null;

    /**

     * Esto corresponde a la transformaci?n del extent de la imagen. Se calcula a partir del extent

     * guardado en el fichero .rmf asociado a la imagen.  En caso de que no exista este fichero no habr?

     * transformaci?n

     */

    protected AffineTransform        transformNewExtent = null;

    protected AffineTransform        transformOldExtent = null;

    protected Point2D                         extentsRatio = null;

    protected boolean                        rmfExists = false;

    long fileSize = 0;

    protected long bytesReaded = 0;

    protected long lineCnt = 0;

    String name;

    public GeoFile() {

    }

    public GeoFile(IProjection p, String n) {

        proj = p;

        name = n;

        if (name != null) {

            name = DataSource.normalize(name);

        }

        extent = new Extent();

        extentsRatio = new Point2D.Double();

            transformNewExtent = new AffineTransform();

            transformOldExtent = new AffineTransform();

    }

    public String getName() {

        return name;

    }

    public void setName(String n) {

        name = n;

    }

    public long getFileSize() {

        return fileSize;

    }

    public void setFileSize(long sz) {

        fileSize = sz;

    }

    public IProjection getProjection() {

        return proj;

    }

    public void setProjection(IProjection p) {

        proj = p;

    }

    abstract public void reProject(ICoordTrans rp);

    public Extent getExtent() {

        return extent;

    }

    /**

     * Obtiene la relaci?n entre anchos y altos de la georreferenciaci?n de la imagen y la asignada

     * a trav?s del fichero .rmf. Esto se usa para poder realizar transformaciones entre ambos sistemas

     * al asignar una vista.

     * @return

     */

    public Point2D getExtentRatio() {

        return extentsRatio;

    }

    abstract public GeoFile load();

    abstract public void close();

    abstract public IObjList getObjects();

    /**

     * Filtra espacios en blanco. Deja solo uno por

     */

    public static String filterWS(String buf) {

        boolean lastCharWhite = false;

        String str = "";

        buf = buf.trim();

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

            char c = buf.charAt(i);

            if (Character.isWhitespace(c)) {

                if (lastCharWhite) {

                    continue;

                }

                lastCharWhite = true;

                c = ' ';

            } else {

                lastCharWhite = false;

            }

            str += c;

        }

        return str;

    }

    protected long getTime() {

        return (new Date()).getTime();

    }

}