Application: gvSIG desktop

/*

 * @(#)DXFDriver    13-dic-2004

 * 

 * @author jmorell (jose.morell@gmail.com)

 */

/* 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.drivers.dxf;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import java.io.File;

import java.io.IOException;

import org.cresques.cts.IProjection;

import org.cresques.cts.ProjectionPool;

import org.cresques.io.DxfFile;

import org.cresques.px.Extent;

import org.cresques.px.IObjList;

import org.cresques.px.dxf.DxfFeatureMaker;

import org.cresques.px.gml.Feature;

import org.cresques.px.gml.Geometry;

import org.cresques.px.gml.InsPoint;

import org.cresques.px.gml.LineString;

import org.cresques.px.gml.Point;

import org.cresques.px.gml.Polygon;

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

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

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

import com.iver.cit.gvsig.fmap.core.FShape;

import com.iver.cit.gvsig.fmap.core.GeneralPathX;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.core.ShapeFactory;

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

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

import com.iver.cit.gvsig.fmap.drivers.shp.SHP;

/**

 * @author jmorell (jose.morell@gmail.com)

 * @version 13-dic-2004

 */

public class DXFDriver implements VectorialFileDriver, BoundedShapes, FileDriver {

        private String path;

        private final int ID_FIELD_ID=0;

        private final int ID_FIELD_ENTITY=1;

        private final int ID_FIELD_LAYER=2;

        private final int ID_FIELD_COLOR=3;

        private final int ID_FIELD_ELEVATION=4;

        private final int ID_FIELD_THICKNESS=5;

        private final int ID_FIELD_TEXT=6;

        private final int ID_FIELD_HEIGHTTEXT=7;

        private final int ID_FIELD_ROTATIONTEXT=8;

        private DxfFile.EntityFactory featureMaker;

        private DxfFile dxfFeatureFile;

        private IObjList.vector features;

        private File dxfFile = null;

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#open(java.io.File)

         */

        public void open(File f) throws IOException {

                dxfFile = f;

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#close()

         */

        public void close() throws IOException {

                // TODO Auto-generated method stub

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getShape(int)

         */

        public IGeometry getShape(int i) throws IOException {

                Feature fea = (Feature)features.get(i);

                if (fea.getGeometry() instanceof Point) {

                        Point point = (Point)fea.getGeometry();

                        Point2D pto = new Point2D.Double();

                        pto = (Point2D.Double)point.get(0);

                //DGNElemMultiPoint psLine = new DGNElemMultiPoint();

                //return ShapeFactory.createPoint3D(psLine.vertices[0].x, psLine.vertices[0].y,psLine.vertices[0].z);

                return ShapeFactory.createPoint3D(pto.getX(),pto.getY(),0);

                } else if (fea.getGeometry() instanceof InsPoint) {

                        InsPoint insPoint = (InsPoint)fea.getGeometry();

                        Point2D pto = new Point2D.Double();

                        pto = (Point2D.Double)insPoint.get(0);

                        //GeneralPathX elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD);

                        //return ShapeFactory.createPolygon2D(elShape);

                        return ShapeFactory.createPoint3D(pto.getX(),pto.getY(),0);

                } else if (fea.getGeometry() instanceof LineString) {

                        GeneralPathX genPathX = new GeneralPathX();

                        Point2D[] pts = new Point2D[fea.getGeometry().pointNr()];

                        for (int j=0; j<fea.getGeometry().pointNr(); j++) {

                                pts[j] = (Point2D)fea.getGeometry().get(j);

                        }

                        genPathX.moveTo(pts[0].getX(), pts[0].getY());

                        for (int j=1; j < pts.length; j++) {

                                genPathX.lineTo(pts[j].getX(), pts[j].getY());

                        }

                        double[] zs = new double[1];

                        zs[0] = 0.0;

                        return ShapeFactory.createPolyline3D(genPathX,zs);

                } else if (fea.getGeometry() instanceof Polygon) {

                        GeneralPathX genPathX = new GeneralPathX();

                        Point2D[] pts = new Point2D[fea.getGeometry().pointNr()];

                        for (int j=0; j<fea.getGeometry().pointNr(); j++) {

                                pts[j] = (Point2D)fea.getGeometry().get(j);

                        }

                        genPathX.moveTo(pts[0].getX(), pts[0].getY());

                        for (int j=1; j < pts.length; j++) {

                                genPathX.lineTo(pts[j].getX(), pts[j].getY());

                        }

                        return ShapeFactory.createPolygon2D(genPathX);

                } else {

                        System.out.println("getShape(): ERROR:Geometr?a desconocida.");

                        return null;

                }

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getShapeCount()

         */

        public int getShapeCount() throws IOException {

                return features.size();

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getFullExtent()

         */

        public Rectangle2D getFullExtent() throws IOException {

                return (Rectangle2D)featureMaker.getExtent().toRectangle2D();

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#initialize()

         */

        public void initialize() throws IOException {

                IProjection proj = ProjectionPool.get("EPSG:23030");

                featureMaker = new DxfFeatureMaker(proj);

                dxfFeatureFile = new DxfFile(proj, dxfFile.getAbsolutePath(), featureMaker);

                dxfFeatureFile.load();

                features = (IObjList.vector)((DxfFeatureMaker)featureMaker).getObjects();

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#accept(java.io.File)

         */

        public boolean accept(File f) {

                return f.getName().toUpperCase().endsWith("DXF");

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getDataDriverName()

         */

        public String getDataDriverName() {

                // TODO Auto-generated method stub

                return null;

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getDataFile(java.io.File)

         */

        public File getDataFile(File f) {

                // TODO Auto-generated method stub

                return null;

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getShapeType()

         */

        public int getShapeType() {

                return 1;

        }

        /* (non-Javadoc)

         * @see com.hardcode.driverManager.Driver#getName()

         */

        public String getName() {

                return "gvSIG DXF Driver";

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.drivers.BoundedShapes#getShapeBounds(int)

         */

        public Rectangle2D getShapeBounds(int index) throws IOException {

                Feature fea = (Feature)features.get(index);

                Geometry geo = (Geometry)fea.getGeometry();

                return ((Extent)(geo.getExtent())).toRectangle2D();

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.drivers.BoundedShapes#getShapeType(int)

         */

        public int getShapeType(int index) {

        int auxType = 0;

        Feature fea = (Feature)features.get(index);

                if (fea.getGeometry() instanceof Point) {

            auxType = auxType | FShape.POINT;

                } else if (fea.getGeometry() instanceof InsPoint) {

            auxType = auxType | FShape.POINT;

                } else if (fea.getGeometry() instanceof LineString) {

            auxType = auxType | FShape.LINE;

                } else if (fea.getGeometry() instanceof Polygon) {

            auxType = auxType | FShape.POLYGON;

                } else {

                        System.out.println("getShape(): ERROR:Geometr?a desconocida.");

                }

        return auxType;

        }

        /* (non-Javadoc)

         * @see com.hardcode.gdbms.engine.data.FileDriver#fileAccepted(java.io.File)

         */

        public boolean fileAccepted(File f) {

                return f.getName().toUpperCase().endsWith("DXF");

        }

        /* (non-Javadoc)

         * @see com.hardcode.gdbms.engine.data.ReadDriver#getFieldValue(long, int)

         */

        public Value getFieldValue(long arg0, int arg1) throws DriverException {

                // TODO Auto-generated method stub

                return null;

        }

        /* (non-Javadoc)

         * @see com.hardcode.gdbms.engine.data.ReadDriver#getFieldCount()

         */

        public int getFieldCount() throws DriverException {

                // TODO Auto-generated method stub

                return 0;

        }

        /* (non-Javadoc)

         * @see com.hardcode.gdbms.engine.data.ReadDriver#getFieldName(int)

         */

        public String getFieldName(int arg0) throws DriverException {

                // TODO Auto-generated method stub

                return null;

        }

        /* (non-Javadoc)

         * @see com.hardcode.gdbms.engine.data.ReadDriver#getRowCount()

         */

        public long getRowCount() throws DriverException {

                try {

                        return getShapeCount();

                } catch (IOException e) {

                        e.printStackTrace();

                }

                return -1;

                //return 0;

        }

}