Application: gvSIG desktop

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2015 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.fmap.geom.jts.aggregate;

import java.util.ArrayList;

import java.util.Collections;

import java.util.Iterator;

import java.util.List;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryException;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.aggregate.MultiLine;

import org.gvsig.fmap.geom.aggregate.MultiPoint;

import org.gvsig.fmap.geom.aggregate.MultiPolygon;

import org.gvsig.fmap.geom.aggregate.MultiPrimitive;

import org.gvsig.fmap.geom.aggregate.MultiSurface;

import org.gvsig.fmap.geom.jts.GeometryJTS;

import org.gvsig.fmap.geom.jts.util.JTSUtils;

import org.gvsig.fmap.geom.operation.GeometryOperationException;

import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException;

import org.gvsig.fmap.geom.primitive.Polygon;

import org.gvsig.fmap.geom.primitive.Primitive;

import org.gvsig.fmap.geom.primitive.Surface;

import org.gvsig.fmap.geom.type.GeometryType;

/**

 * @author fdiaz

 *

 */

public class DefaultMultiSurface extends AbstractMultiSurface {

    private static final long serialVersionUID = 9211543270911740110L;

    public DefaultMultiSurface(GeometryType geometryType) {

        super(geometryType.getSubType());

    }

    @Override

    public Geometry cloneGeometry() {

        DefaultMultiSurface clone = new DefaultMultiSurface(getGeometryType());

        for(int i=0; i<primitives.size(); i++){

            clone.addPrimitive((Primitive)primitives.get(i).cloneGeometry());

        }

        return clone;

    }

    @Override

    public Geometry force2D() throws GeometryOperationNotSupportedException, GeometryOperationException {

        DefaultMultiSurface other = new DefaultMultiSurface(getGeometryType());

        other.setProjection(this.getProjection());

        other.ensureCapacity(primitives.size());

        for (Primitive primitive : primitives) {

            other.addPrimitive((Primitive)primitive.force2D());

        }

        return other;

    }

    @Override

    public void addSurface(Surface surface) {

        GeometryType geometryType = surface.getGeometryType();

        if(geometryType.getSubType() == getGeometryType().getSubType()){

            primitives.add(surface);

            return;

        }

        String msg = StringUtils.replaceEach(

            "Only a surface subtype  %(subtypeSurface)s can be added to a MultiSurface subtype %(subtype)s",

            new String[]{"%(subtypeSurface)s","%(subtype)s"},

            new String[]{String.valueOf(geometryType.getSubType()), String.valueOf(getGeometryType().getSubType())}

        );

        logger.warn(msg);

        throw new UnsupportedOperationException(msg);

    }

    @Override

    public int getDimension() {

        switch (getGeometryType().getSubType()) {

        case Geometry.SUBTYPES.GEOM2D:

            return 2;

        case Geometry.SUBTYPES.GEOM2DM:

            return 3;

        case Geometry.SUBTYPES.GEOM3D:

            return 3;

        case Geometry.SUBTYPES.GEOM3DM:

            return 4;

        default:

            return 0;

        }

    }

    @Override

    public MultiPoint toPoints() throws GeometryException {

        MultiPoint multiPoint = GeometryLocator.getGeometryManager().createMultiPoint(getGeometryType().getSubType());

        for (Primitive primitive : primitives) {

            MultiPoint primitivePoints = primitive.toPoints();

            for (int i=0; i<primitivePoints.getPrimitivesNumber(); i++) {

                multiPoint.addPoint(primitivePoints.getPointAt(i));

            }

        }

        return multiPoint;

    }

    @Override

    public MultiLine toLines() throws GeometryException {

        MultiLine multiLine = GeometryLocator.getGeometryManager().createMultiLine(getGeometryType().getSubType());

        for (Primitive primitive : primitives) {

            MultiLine primitiveLines = primitive.toLines();

            for (int i=0; i<primitiveLines.getPrimitivesNumber(); i++) {

                multiLine.addPrimitive((Primitive)primitiveLines.getPrimitiveAt(i).cloneGeometry());

            }

        }

        return multiLine;

    }

    @Override

    public MultiPolygon toPolygons() throws GeometryException {

        MultiPolygon multiPolygon = GeometryLocator.getGeometryManager().createMultiPolygon(getGeometryType().getSubType());

        for (Primitive primitive : primitives) {

            MultiPolygon primitivePolygons = primitive.toPolygons();

            for (int i=0; i<primitivePolygons.getPrimitivesNumber(); i++) {

                multiPolygon.addPrimitive((Primitive)primitivePolygons.getPrimitiveAt(i).cloneGeometry());

            }

        }

        return multiPolygon;

    }

    @Override

    public void flip() throws GeometryOperationNotSupportedException, GeometryOperationException {

        for (Iterator iterator = primitives.iterator(); iterator.hasNext();) {

            GeometryJTS primitive = (GeometryJTS) iterator.next();

            primitive.flip();

        }

        Collections.reverse(primitives);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.jts.aggregate.AbstractMultiPrimitive#fixPrimitive(org.gvsig.fmap.geom.primitive.Primitive)

     */

    @Override

    protected Geometry fixPrimitive(Primitive primitive) {

        int primitiveSubType = primitive.getGeometryType().getSubType();

        int subType = getGeometryType().getSubType();

        if(primitiveSubType == subType){

            return primitive;

        }

        String message = StringUtils.replace("This MultiSurface only accept subtype %(subtype)s primitives", "%(subtype)s", String.valueOf(subType));

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    @Override

    public com.vividsolutions.jts.geom.Geometry getJTS() {

        List<com.vividsolutions.jts.geom.Polygon> polygons =new ArrayList<>(primitives.size());

        com.vividsolutions.jts.geom.Polygon polygon;

        for (Primitive primitive : primitives) {

            if (primitive instanceof Polygon) {

                polygon = (com.vividsolutions.jts.geom.Polygon) ((GeometryJTS) primitive).getJTS();

                polygons.add(polygon);

            } else {

                MultiPolygon multipolygon;

                try {

                    multipolygon = primitive.toPolygons();

                    for (int j = 0; j < multipolygon.getPrimitivesNumber(); j++) {

                        polygon =

                                (com.vividsolutions.jts.geom.Polygon) ((GeometryJTS) multipolygon.getPrimitiveAt(j)).getJTS();

                        polygons.add(polygon);

                    }

                } catch (GeometryException e) {

                    GeometryType geomType = primitive.getGeometryType();

                    logger.warn(StringUtils.replaceEach(

                            "Can't convert primitive type=%(type)s, %(subtype)s to MultiPolygon",

                            new String[] {"%(type)s", "%(subtype)s" },

                            new String[] { String.valueOf(geomType.getType()), String.valueOf(geomType.getSubType()) }));

                }

            }

        }

        return JTSUtils

            .createJTSMultiPolygon(polygons.toArray(new com.vividsolutions.jts.geom.Polygon[polygons.size()]));

    }

    @Override

    public Geometry offset(double distance) throws GeometryOperationNotSupportedException, GeometryOperationException {

        MultiSurface result = new DefaultMultiSurface(getGeometryType());

        for (Primitive primitive : primitives) {

            Geometry offset = primitive.offset(distance);

            if(offset instanceof MultiPrimitive){

                MultiPrimitive multiOffset = (MultiPrimitive)offset;

                for(int i=0; i<multiOffset.getPrimitivesNumber(); i++){

                    result.addPrimitive(multiOffset.getPrimitiveAt(i));

                }

            } else {

                result.addPrimitive((Primitive)primitive.offset(distance));

            }

        }

        return result;

    }

}