Application: gvSIG desktop » gvSIG data provider for GPE

<?xml version="1.0" encoding="ISO-8859-1"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <artifactId>org.gvsig.gpe.exportto</artifactId>

  <packaging>pom</packaging>

  <parent>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.gpe</artifactId>

      <version>2.1.103</version>

  </parent>

  <modules>

    <module>org.gvsig.gpe.exportto.kml</module>  

    <module>org.gvsig.gpe.exportto.generic</module>  

  </modules>

</project>

<?xml version="1.0" encoding="ISO-8859-1"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <artifactId>org.gvsig.gpe.exportto.generic</artifactId>

  <packaging>jar</packaging>

  <name>${project.artifactId}</name>

  <parent>

    <groupId>org.gvsig</groupId>

    <artifactId>org.gvsig.gpe.exportto</artifactId>

    <version>2.1.103</version>

  </parent>

  <dependencies>

    <dependency>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.gpe.lib.api</artifactId>

      <scope>compile</scope>

    </dependency>

    <dependency>

        <groupId>org.gvsig</groupId>

        <artifactId>org.gvsig.tools.lib</artifactId>

        <scope>compile</scope>

    </dependency>

    <dependency>

        <groupId>org.gvsig</groupId>

        <artifactId>org.gvsig.fmap.geometry.api</artifactId>    

        <scope>compile</scope>        

    </dependency>

  </dependencies>

</project>

org.gvsig.gpe.exportto.generic.ExporttoGPEGenericLibrary

package org.gvsig.gpe.exportto.generic.util;

import java.io.IOException;

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

import org.gvsig.gpe.lib.api.parser.ICoordinateIterator;

import org.gvsig.gpe.lib.api.writer.ICoordinateSequence;

public class CoordinatesSequencePoint implements

ICoordinateSequence, ICoordinateIterator {

	double[] points = null;

	int index = 0;

	public CoordinatesSequencePoint(Point point) {

	    if (point.getDimension() == 3) {

            // 2dZ

	        this.points = new double[3];

	        points[0] = point.getX();

	        points[1] = point.getY();

	        points[2] = point.getCoordinateAt(2);

	        index = 3;

	    } else {

	        // 2d

	        this.points = new double[2];

	        points[0] = point.getX();

	        points[1] = point.getY();

	        index = 2;

	    }

	}

	public int getSize() {

		return 1;

	}

	public ICoordinateIterator iterator() {

		return this;

	}

	public int getDimension() {

		return points.length;

	}

	public boolean hasNext() throws IOException {

		return (index > 0);

	}

	public void next(double[] buffer) throws IOException {

		buffer[0] = points[0];

		buffer[1] = points[1];

		if ((buffer.length == 3) && (points.length == 3)){

			buffer[2] = points[2];

		}

		index--;

	}

}

package org.gvsig.gpe.exportto.generic.util;

import java.awt.geom.Rectangle2D;

import java.io.IOException;

import org.gvsig.gpe.lib.api.parser.ICoordinateIterator;

import org.gvsig.gpe.lib.api.writer.ICoordinateSequence;

public class CoordinatesSequenceBbox implements

ICoordinateSequence, ICoordinateIterator {

	Rectangle2D bbox = null;

	int index = 0;

	public CoordinatesSequenceBbox(Rectangle2D bbox){

		this.bbox = bbox;

	}

	public int getSize() {

		return 2;

	}

	public ICoordinateIterator iterator() {

		return this;

	}

	public int getDimension() {

		return 2;

	}

	public boolean hasNext() throws IOException {

		if (index <=1){

			return true;

		}

		return false;

	}

	public void next(double[] buffer) throws IOException {

		if (index == 0){

			buffer[0] = bbox.getMinX();

			buffer[1] = bbox.getMinY();

		}else if (index == 1){

			buffer[0] = bbox.getMaxX();

			buffer[1] = bbox.getMaxY();

		}

		index++;

	}

}

package org.gvsig.gpe.exportto.generic.util;

import java.awt.geom.PathIterator;

import java.io.IOException;

import org.gvsig.gpe.lib.api.parser.ICoordinateIterator;

import org.gvsig.gpe.lib.api.writer.ICoordinateSequence;

public class CoordinatesSequenceGeneralPath implements

ICoordinateSequence, ICoordinateIterator { 

	private PathIterator it = null;

	int size = 0;

	boolean hasMoreGeoemtries = true;

	public CoordinatesSequenceGeneralPath(PathIterator it) {

		super();

		this.it = it;

	}

	public int getSize() {

		return size;

	}

	public void initialize(){

		size = 0;

	}

	public boolean hasMoreGeometries(){

		return hasMoreGeoemtries;

	}

	public ICoordinateIterator iterator() {

		return this;

	}

	public int getDimension() {

		return 2;

	}

	public boolean hasNext() throws IOException {

		if (it.isDone()){

			hasMoreGeoemtries = false;

			return false;

		}

		double[] coords = new double[2];

		int type = it.currentSegment(coords);		

		/*

		if (type == PathIterator.SEG_CLOSE){

			hasMoreGeoemtries = false;

		}

		*/

		return ((type != PathIterator.SEG_MOVETO) || (size == 0));		

	}

	public void next(double[] buffer) throws IOException {

		it.currentSegment(buffer);		

		it.next();	

		size++;

	}

}

package org.gvsig.gpe.exportto.generic.util;

import java.awt.geom.PathIterator;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

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

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

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

import org.gvsig.fmap.geom.exception.CreateGeometryException;

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

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

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

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

import org.gvsig.gpe.lib.api.writer.IGPEWriterHandler;

import org.gvsig.tools.locator.LocatorException;

/**

 * 

 * Utility class to write gvSIG geometries in a GPE writer.

 * 

 * @author jldominguez (I have removed the reprojection methods/fields)

 */

public class GeometryToGPEWriter {

    private static Logger logger = LoggerFactory.getLogger(GeometryToGPEWriter.class);

	private IGPEWriterHandler writer = null;

	//To know if the geometry is multiple

	// private boolean isMultiple = false;

	//To reproject geometries

	/*

	private IProjection projOrig = null;

	private IProjection projDest = null;

	private ICoordTrans coordTrans = null;

	*/

	private String srs = null;

	public GeometryToGPEWriter(IGPEWriterHandler writer) {

		this.writer = writer;

	}

    public String getCrs() {

        return srs;

    }

    public void setCrs(String thesrs) {

        this.srs = thesrs;

    }

    /**

	 * It writes a geometry

	 * @param geom

	 * The geometry to write

	 * @param crs

	 * The coordinates reference system

	 */

	public void writeGeometry(Geometry geom, boolean addLabelPoint) {

	    if (geom == null) {

	        logger.error("GPE Writer cannot write geometry.",

	            new Exception("Geometry is NULL"));

	        return;

	    }

	    // ====================================================

		if (geom instanceof MultiPoint) {

			writeMultiPoint((MultiPoint) geom);

			return;

		}

        if (geom instanceof MultiCurve) {

            writeMultiLine((MultiCurve) geom, addLabelPoint);

            return;

        }

        if (geom instanceof MultiSurface) {

            writeMultiPolygon((MultiSurface) geom, addLabelPoint);

            return;

        }

        // ====================================================

        if (geom instanceof Point) {

            writePoint((Point) geom);

            return;

        }

        if (geom instanceof Curve) {

            writeLine((Curve) geom, addLabelPoint);

            return;

        }

        if (geom instanceof Surface) {

            writePolygon((Surface) geom, addLabelPoint);

            return;

        }

        // ====================================================

        logger.error("GPE Writer cannot write geometry",

            new Exception("Unexpected geometry: " + geom.getClass().getName()));

	}

	/**

	 * Writes a point in 2D

	 * @param point

	 * The point to write

	 * @param crs

	 * The coordinates reference system

	 */

	private void writePoint(Point point) {

		writer.startPoint(null, new CoordinatesSequencePoint(point), srs);

		writer.endPoint();

	}

	/**

	 * Writes a multipoint in 2D

	 * @param point

	 * The point to write

	 * @param crs

	 * The coordinates reference system

	 */

	private void writeMultiPoint(MultiPoint multi){

		writer.startMultiPoint(null, srs);

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

		    Point p = multi.getPointAt(i);

			writePoint(p);

		}

		writer.endMultiPoint();

	}

	/**

	 * Writes a line in 2D

	 * @param line

	 * The line to write

	 * @param crs

	 * The coordinates reference system

	 * @param geometries

	 * The parsed geometries

	 */

	private void writeLine(Curve curve, boolean addLabelPoint) {

		boolean ismulti = isMultiple(curve.getPathIterator(null));

		/*

         * Start ===================================================

         */

        if (addLabelPoint) {

            Point po = null;

            try {

                po = getLabelPoint(curve.getPathIterator(null), curve.getEnvelope());

            } catch (Exception ex) {

                logger.info("While getting label point.", ex);

                return;

            }

            writer.startMultiGeometry(null, srs);

            CoordinatesSequencePoint pseq = new CoordinatesSequencePoint(po);

            writer.startPoint(null, pseq, srs);

            writer.endPoint();

        } else {

            if (ismulti) {

                writer.startMultiLineString(null, srs);

            }

        }		

        /*

         * Body ===================================================

         */

        CoordinatesSequenceGeneralPath sequence =

		    new CoordinatesSequenceGeneralPath(curve.getPathIterator(null));

		writer.startLineString(null, sequence, srs);

		writer.endLineString();

		if (ismulti) {

	        while (sequence.hasMoreGeometries()){

	            sequence.initialize();

	            writer.startLineString(null, sequence, srs);

	            writer.endLineString(); 

	        }

		}

		/*

         * End ===================================================

         */		

		if (addLabelPoint) {

            writer.endMultiGeometry();

        } else {

            if (ismulti) {

                writer.endMultiLineString();

            }

        }		

	}

    private void writeMultiLine(MultiCurve mcurve, boolean addLabelPoint) {

        if (addLabelPoint) {

            Point po = null;

            try {

                po = getLabelPoint(mcurve.getPathIterator(null), mcurve.getEnvelope());

            } catch (Exception exc) {

                logger.info("While getting label point.", exc);

                return;

            }

            writer.startMultiGeometry(null, srs);

            CoordinatesSequencePoint pseq = new CoordinatesSequencePoint(po);

            writer.startPoint(null, pseq, srs);

            writer.endPoint();            

        } else {

            writer.startMultiLineString(null, srs);

        }

        /*

         * Body =======================================

         */

        CoordinatesSequenceGeneralPath sequence =

            new CoordinatesSequenceGeneralPath(mcurve.getPathIterator(null));

        writer.startLineString(null, sequence, srs);

        writer.endLineString(); 

        while (sequence.hasMoreGeometries()){

            sequence.initialize();

            writer.startLineString(null, sequence, srs);

            writer.endLineString(); 

        }

        /*

         * End ======================================

         */

        if (addLabelPoint) {

            writer.endMultiGeometry();

        } else {

            writer.endMultiLineString();

        }

    }

	/**

	 * Writes a polygon in 2D

	 * @param polygon

	 * The polygon to write

	 * @param crs

	 * The coordinates reference system

	 * @param geometries

	 * The parsed geometries

	 */

	private void writePolygon(Surface surface, boolean addLabelPoint) {

	    boolean ismulti = isMultiple(surface.getPathIterator(null));

	    CoordinatesSequenceGeneralPath sequence = null;

	    /*

         * Start ===================================================

         */

	    if (addLabelPoint) {

	        Point po = null;

	        try {

	            po = surface.getInteriorPoint();

	        } catch (Exception ex) {

	            logger.info("While getting label point.", ex);

	            return;

	        }

            writer.startMultiGeometry(null, srs);

	        CoordinatesSequencePoint pseq = new CoordinatesSequencePoint(po);

	        writer.startPoint(null, pseq, srs);

	        writer.endPoint();

	    } else {

	        if (ismulti) {

	            writer.startMultiPolygon(null, srs);

	        }

	    }

		/*

		 * Body ===================================================

		 */

		sequence = new CoordinatesSequenceGeneralPath(surface.getPathIterator(null));

		writer.startPolygon(null, sequence, srs);

		writer.endPolygon();

        if (ismulti) {

            while (sequence.hasMoreGeometries()){

                sequence.initialize();

                writer.startPolygon(null, sequence, srs);

                writer.endPolygon();

            }

        }

        /*

         * End ===================================================

         */

		if (addLabelPoint) {

		    writer.endMultiGeometry();

		} else {

		    if (ismulti) {

		        writer.endMultiPolygon();

		    }

		}

	}

    private Point getLabelPoint(PathIterator pathIterator, Envelope envelope) throws

    Exception {

        if (pathIterator == null || envelope == null) {

            throw new Exception("Null iterator or envelope");

        }

        double bestx = 0;

        double besty = 0;

        double cx = envelope.getCenter(0);

        double cy = envelope.getCenter(1);

        double dist = Double.MAX_VALUE;

        double auxdist = 0;

        double[] coords = new double[6];

        while (!pathIterator.isDone()) {

            pathIterator.currentSegment(coords);

            auxdist = getDist2(cx, cy, coords[0], coords[1]);

            if (auxdist < dist) {

                dist = auxdist;

                bestx = coords[0];

                besty = coords[1];

            }

            pathIterator.next();

        }

        Point resp = GeometryLocator.getGeometryManager().createPoint(

            bestx, besty, Geometry.SUBTYPES.GEOM2D);

        return resp;

    }

    private Point getLabelPoint(MultiSurface msurf) throws Exception {

        if (msurf == null) {

            throw new Exception("Surface is Null");

        }

        int n = msurf.getPrimitivesNumber();

        Surface surf = null;

        Surface bigsurf = null;

        double importance = 0;

        double auximportance = 0;

        Envelope env = null;

        long nverts = 0;

        for (int i=0; i<n; i++) {

            surf = (Surface) msurf.getPrimitiveAt(i);

            nverts = surf.getNumVertices();

            env = surf.getEnvelope();

            auximportance = nverts * env.getLength(0) * env.getLength(1);

            if (auximportance >= importance) {

                importance = auximportance;

                bigsurf = surf;

            }

        }

        if (bigsurf != null) {

            return bigsurf.getInteriorPoint();

        } else {

            return msurf.getInteriorPoint();

        }

    }

    /**

     * Returns (dist ^ 2) between points a and b

     * @param ax

     * @param ay

     * @param bx

     * @param by

     * @return

     */

    private double getDist2(

        double ax, double ay,

        double bx, double by) {

        double dx = bx - ax; 

        double dy = by - ay;

        return (dx * dx) + (dy * dy); 

    }

    private void writeMultiPolygon(MultiSurface msurface, boolean addLabelPoint) {

        if (addLabelPoint) {

            Point po = null;

            try {

                po = getLabelPoint(msurface);

            } catch (Exception ex) {

                logger.info("While getting label point.", ex); 

                return;

            }

            writer.startMultiGeometry(null, srs);

            CoordinatesSequencePoint pseq = new CoordinatesSequencePoint(po);

            writer.startPoint(null, pseq, srs);

            writer.endPoint();     

        } else {

            writer.startMultiPolygon(null, srs);

        }

        /*

         * Body ==============================================

         */

        CoordinatesSequenceGeneralPath sequence =

            new CoordinatesSequenceGeneralPath(msurface.getPathIterator(null));

        writer.startPolygon(null, sequence, srs);

        writer.endPolygon();    

        while (sequence.hasMoreGeometries()){

            sequence.initialize();

            writer.startPolygon(null, sequence, srs);

            writer.endPolygon();

        }

        /*

         * End ==============================================

         */

        if (addLabelPoint) {

            writer.endMultiGeometry();

        } else {

            writer.endMultiPolygon();

        }

    }	

	/**

	 * Return if the geometry is multiple	

	 * @param path

	 * @return

	 */

	public boolean isMultiple(PathIterator path){

		double[] coords = new double[2];

		int type = 0;

		int numGeometries = 0;

		while (!path.isDone()){

			type = path.currentSegment(coords);

			 switch (type) {

			 	case PathIterator.SEG_MOVETO:

			 		numGeometries++;

			 		if (numGeometries == 2){

			 			return true;

			 		}

			 		break;

			 	default:

			 		break;

			 }

			 path.next();

		}

		return false;

	}

}

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 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 3

 * 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.gpe.exportto.generic;

import org.gvsig.gpe.lib.api.GPELibrary;

import org.gvsig.tools.library.AbstractLibrary;

import org.gvsig.tools.library.LibraryException;

/**

 * Library with common things to be used by

 * GPE export libraries

 * 

 * @author gvSIG Team

 * @version $Id$

 */

public class ExporttoGPEGenericLibrary extends AbstractLibrary {

    public void doRegistration() {

        require(GPELibrary.class);

    }

    protected void doInitialize() throws LibraryException {

        // Nothing to do

    }

    protected void doPostInitialize() throws LibraryException {

    }

}

#Sun Apr 19 17:20:08 CEST 2020

buildNumber=2205

<!--

    gvSIG. Desktop Geographic Information System.

    Copyright (C) 2007-2013 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 3

    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.

-->

<assembly>

  <id>gvsig-plugin-package</id>

  <formats>

    <format>zip</format>

  </formats>

  <baseDirectory>${project.artifactId}</baseDirectory>

  <includeBaseDirectory>true</includeBaseDirectory>

  <files>

    <file>

      <source>target/${project.artifactId}-${project.version}.jar</source>

      <outputDirectory>lib</outputDirectory>

    </file>

    <file>

      <source>target/package.info</source>

    </file>

  </files>

  <fileSets>

    <fileSet>

      <directory>src/main/resources-plugin</directory>

      <outputDirectory>.</outputDirectory>

    </fileSet>

  </fileSets>

  <dependencySets>

    <dependencySet>

      <useProjectArtifact>false</useProjectArtifact>

      <useTransitiveDependencies>false</useTransitiveDependencies>

      <outputDirectory>lib</outputDirectory>

      <includes>

        <include>org.gvsig:org.gvsig.gpe.exportto.generic</include>

      </includes>

    </dependencySet>

  </dependencySets>

</assembly>

/*

 * To change this license header, choose License Headers in Project Properties.

 * To change this template file, choose Tools | Templates

 * and open the template in the editor.

 */

package org.gvsig.gpe.exportto.kml.service;

import java.awt.geom.Rectangle2D;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.gvsig.export.ExportException;

import org.gvsig.export.ExportParameters;

import org.gvsig.export.spi.AbstractExportService;

import org.gvsig.export.spi.ExportService;

import org.gvsig.export.spi.ExportServiceFactory;

import org.gvsig.fmap.crs.CRSFactory;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.DataServerExplorer;

import org.gvsig.fmap.dal.NewDataStoreParameters;

import org.gvsig.fmap.dal.OpenDataStoreParameters;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.feature.Feature;

import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor;

import org.gvsig.fmap.dal.feature.FeatureSet;

import org.gvsig.fmap.dal.feature.FeatureType;

import org.gvsig.fmap.dal.feature.NewFeatureStoreParameters;

import org.gvsig.fmap.dal.feature.OpenFeatureStoreParameters;

import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorer;

import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorerParameters;

import org.gvsig.fmap.geom.DataTypes;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.exception.CreateEnvelopeException;

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

import org.gvsig.fmap.mapcontext.MapContextException;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.fmap.mapcontext.rendering.legend.IVectorLegend;

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

import org.gvsig.gpe.exportto.generic.util.CoordinatesSequenceBbox;

import org.gvsig.gpe.exportto.generic.util.GeometryToGPEWriter;

import org.gvsig.gpe.exportto.kml.style.KmlStyle;

import org.gvsig.gpe.exportto.kml.style.StyleUtils;

import org.gvsig.gpe.lib.api.GPELocator;

import org.gvsig.gpe.lib.api.writer.IGPEWriterHandler;

import org.gvsig.gpe.lib.api.writer.IGPEWriterHandlerImplementor;

import org.gvsig.gpe.prov.kml.utils.Kml2_1_Tags;

import org.gvsig.gpe.prov.kml.writer.GPEKmlWriterHandlerImplementor;

import org.gvsig.tools.dispose.DisposableIterator;

import org.gvsig.tools.locator.LocatorException;

import org.gvsig.tools.util.HasAFile;

import org.gvsig.xmlpull.lib.api.stream.IXmlStreamWriter;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 *

 * @author osc

 */

public class ExportKMLService extends AbstractExportService

	implements ExportService {

	private static Logger logger = LoggerFactory.getLogger(ExportKMLService.class);

	ExportKMLService(ExportServiceFactory factory, ExportParameters parameters) {

		super(factory, parameters);

	}

	@Override

	protected DataServerExplorer createServerExplorer() throws ExportException {

		DataManager dataManager = DALLocator.getDataManager();

		FilesystemServerExplorerParameters explorerParams;

		try {

			explorerParams

				= (FilesystemServerExplorerParameters) dataManager

					.createServerExplorerParameters(FilesystemServerExplorer.NAME);

		} catch (Exception e) {

			throw new ExportException(e);

		}

		explorerParams.setRoot(this.getParameters().getFile().getParent());

		FilesystemServerExplorer explorer;

		try {

			explorer = (FilesystemServerExplorer) dataManager.openServerExplorer(

				"FilesystemExplorer", explorerParams

			);

			return explorer;

		} catch (Exception e) {

			throw new ExportException(e);

		}

	}

	@Override

	protected NewDataStoreParameters createTargetNewStoreParameters() throws ExportException {

		try {

			FilesystemServerExplorer explorer = (FilesystemServerExplorer) this.createServerExplorer();

			NewFeatureStoreParameters newStoreParameters = (NewFeatureStoreParameters) explorer.getAddParameters(

				this.getParameters().getFile()

			);

			newStoreParameters.setDynValue("CRS", this.getParameters().getTargetProjection());

			// Usamos el featureType por defecto del KML

			return newStoreParameters;

		} catch (DataException ex) {

			throw new ExportException(ex);

		}

	}

	@Override

	protected OpenDataStoreParameters createTargetOpenStoreParameters() throws ExportException {

		try {

			DataManager dataManager = DALLocator.getDataManager();

			OpenFeatureStoreParameters openStoreParameters = (OpenFeatureStoreParameters) dataManager.createStoreParameters("GPE");

			((HasAFile) openStoreParameters).setFile(getParameters().getFile());

			openStoreParameters.setDynValue("CRS", this.getParameters().getTargetProjection());

			return openStoreParameters;

		} catch (DataException ex) {

			throw new ExportException(ex);

		}

	}

	@Override

	public ExportKMLParameters getParameters() {

		return (ExportKMLParameters) super.getParameters();

	}

	@Override

	public void export(

		FeatureSet featureSet) throws ExportException {

		DataServerExplorer explorer = this.createServerExplorer();

		NewFeatureStoreParameters params = (NewFeatureStoreParameters) this.createTargetNewStoreParameters();

		String providerName = params.getDataStoreName();

		String explorerName = explorer.getProviderName();

		File outFile = this.getParameters().getFile(); //kmlFile;

		FeatureSet featureStore = featureSet;

		FLyrVect vectorLayer = null;

		String mimeType = this.getParameters().getMimeType(); //mtype;

		boolean useLabels = this.getParameters().getUseLabels(); //doLabels;

		boolean attsAsBalloon = this.getParameters().getAttsAsBalloon();

		ArrayList<ICoordTrans> ICoordTrans;

		List<ICoordTrans> transfList = new ArrayList<ICoordTrans>();

		ICoordTrans ct = this.getParameters().getSourceTransformation(); //vlayer.getCoordTrans();

		IProjection targetproj = this.getParameters().getTargetProjection();

//        if (reprojectTo4326) {

//		8

//            targetproj = CRSFactory.getCRS("EPSG:4326");

//            if (ct == null) {

//                transfList.add(this.getParameters().getSourceProjection().getCT(targetproj));

//            } else {

//                transfList.add(ct);

//                transfList.add(ct.getPDest().getCT(targetproj));

//            }

//        } else {

		if (ct == null) {

			if (targetproj == null) {

				targetproj = this.getParameters().getSourceProjection();

			}

			ct = this.getParameters().getSourceProjection().getCT(targetproj);

			transfList.add(ct);

		} else {

			targetproj = ct.getPDest();

			transfList.add(ct);

		}

		IGPEWriterHandler wh = null;

		FileOutputStream fos = null;

		String srs = targetproj.getAbrev();

		String[] fldNames = null;

		Envelope env = null;

		long count = 0;

		FeatureType ftype;

		try {

			count = featureSet.getSize();

			this.getTaskStatus().setRangeOfValues(0, count);

			if (this.getParameters().getExportAttributes().isActive()) {

				ftype = this.getParameters().getExportAttributes().getTargetFeatureType();

			} else {

				ftype = featureStore.getDefaultFeatureType();

			}

			fldNames = getAttributes(ftype);

			env = GeometryLocator.getGeometryManager().createEnvelope(Geometry.SUBTYPES.GEOM2D);

			this.initEnvelope(env, featureSet);

		} catch (DataException | CreateEnvelopeException | LocatorException e) {

			throw new ExportException(e);

		}

		try {

			env = reproject(env, transfList);

		} catch (CreateEnvelopeException ex) {

			throw new ExportException(ex);

		}

		Rectangle2D rect = new Rectangle2D.Double(

			env.getMinimum(0),

			env.getMinimum(1),

			env.getLength(0),

			env.getLength(1));

		File fixedFile = outFile;

		try {

			if (!outFile.getAbsolutePath().toLowerCase().endsWith(

				"." + this.getFileExtension().toLowerCase())) {

				fixedFile = new File(outFile.getAbsolutePath() + "." + getFileExtension());

			}

			wh = GPELocator.getGPEManager().createWriterByMimeType(mimeType);

			fos = new FileOutputStream(fixedFile);

			wh.setOutputStream(fos);

			wh.initialize();

			// ==========================================

			wh.startLayer(null, null, fixedFile.getName(), null, srs);

			// ==============     Styles    =============

			Map<ISymbol, KmlStyle> symsty = null;

			IXmlStreamWriter xmlw = getXmlStreamWriter(wh);

			if (true && xmlw != null && vectorLayer instanceof FLyrVect) {

				symsty = StyleUtils.getSymbolStyles((FLyrVect) vectorLayer,

					featureSet,

					attsAsBalloon,

					fldNames);

				Iterator<KmlStyle> iter = symsty.values().iterator();

				KmlStyle sty = null;

				while (iter.hasNext()) {

					sty = iter.next();

					writeStyle(xmlw, sty);

				}

			}

			// ==========================================

			wh.startBbox(null, new CoordinatesSequenceBbox(rect), srs);

			wh.endBbox();

			// ============= Writing feature ============

			IVectorLegend legend;

			if (vectorLayer instanceof FLyrVect) {

				legend = (IVectorLegend) ((FLyrVect) vectorLayer).getLegend();

			} else {

				legend = null;

			}

			writeFeatures(wh, xmlw, featureSet, fldNames, symsty, legend, transfList);

//            writeFeatures(wh, xmlw, featureSet, fldNames, symsty,

//                    (IVectorLegend) vectorLayer.getLegend());

			// ==========================================

			wh.endLayer();

			// ==========================================

			wh.close();

			fos.close();

		} catch (Exception exc) {

			throw new ExportException(exc);

		}

		this.getTaskStatus().setCurValue(count);

//        this.finishAction(fixedFile, targetproj);

		this.getTaskStatus().terminate();

		this.getTaskStatus().remove();

	}

	private String[] getAttributes(FeatureType ftype) {

		FeatureAttributeDescriptor[] atts = ftype.getAttributeDescriptors();

		FeatureAttributeDescriptor desc = null;

		List<String> list = new ArrayList<String>();

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

			desc = atts[i];

			if (desc.getDataType().getType() != DataTypes.GEOMETRY) {

				list.add(desc.getName());

			}

		}

		return list.toArray(new String[0]);

	}

	private Geometry reproject(Geometry geom, List<ICoordTrans> transfList) {

		int sz = transfList.size();

		if (sz == 0) {

			return geom;

		} else {

			Geometry resp = geom.cloneGeometry();

			for (int i = 0; i < sz; i++) {

				resp.reProject(transfList.get(i));

			}

			return resp;

		}

	}

	public String getFileExtension() {

		return "kml";

	}

//    private void finishAction(File kmlfile, IProjection proj)

//            throws ExportException {

//        

//        this.createTargetOpenStoreParameters()

//

//        if (exporttoServiceFinishAction != null) {

//

//            /*

//             * Export is done. We notify with a SHPStoreParameters,

//             * not with the NewSHPParameters we have used:

//             */

//            DataManagerProviderServices dataman

//                    = (DataManagerProviderServices) DALLocator.getDataManager();

//

//            DataStoreParameters dsp = null;

//            try {

//                dsp = dataman.createStoreParameters("GPE");

//            } catch (Exception e) {

//                throw new ExportException(e); //"Cannot add resulting kml file to view", e);

//            }

//

//            dsp.setDynValue("File", kmlfile);

//            dsp.setDynValue("CRS", proj);

//

//            try {

//                dsp.validate();

//            } catch (ValidateDataParametersException e) {

//                throw new ExportException(e);

//            }

//            exporttoServiceFinishAction.finished(kmlfile.getName(), dsp);

//        }

//    }

	private void writeStyle(IXmlStreamWriter xmlw, KmlStyle sty) throws IOException {

		xmlw.writeStartElement(Kml2_1_Tags.STYLE);

		xmlw.writeStartAttribute(Kml2_1_Tags.ID);

		xmlw.writeValue(sty.getId());

		xmlw.writeEndAttributes();

		sty.writeXml(xmlw);

		xmlw.writeEndElement();

	}

	private IXmlStreamWriter getXmlStreamWriter(IGPEWriterHandler wh) {

		IGPEWriterHandlerImplementor imple = wh.getImplementor();

		if (!(imple instanceof GPEKmlWriterHandlerImplementor)) {

			/*

             * Unexpected class

			 */

			return null;

		}

		GPEKmlWriterHandlerImplementor kmlimple = null;

		kmlimple = (GPEKmlWriterHandlerImplementor) imple;

		IXmlStreamWriter xmlw = kmlimple.getXMLStreamWriter();

		return xmlw;

	}

	private void writeFeatures(

		IGPEWriterHandler gwh,

		IXmlStreamWriter xmlw,

		FeatureSet fset,

		String[] fieldNames,

		Map<ISymbol, KmlStyle> symsty,

		IVectorLegend lege,

		List<ICoordTrans> transfList) throws Exception {

		GeometryToGPEWriter gw = new GeometryToGPEWriter(gwh);

		DisposableIterator diter = fset.fastIterator();

		Feature feat = null;

		long count = 0;

		this.getTaskStatus().setCurValue(count);

		ISymbol sym = null;

		int nullGeometries = 0;

		while (diter.hasNext()) {

			feat = (Feature) diter.next();

			try {

				if (lege instanceof IVectorLegend) {

					sym = lege.getSymbolByFeature(feat);

				}

			} catch (MapContextException mce) {

				logger.info("While getting legend symbol.", mce);

			}

			KmlStyle kmlStyle;

			try {

				kmlStyle = symsty.get(sym);

			} catch (Exception e) {

				kmlStyle = null;

			}

			if (!writeFeature(feat, gwh, xmlw, gw, count, fieldNames, kmlStyle, transfList)) {

				nullGeometries++;

			};

			count++;

			this.getTaskStatus().setCurValue(count);

		}

		if (nullGeometries > 0) {

			logger.warn("Can't export " + nullGeometries + " features because source geometries are null.");

		}

		diter.dispose();

	}

	private boolean writeFeature(

		Feature feat,

		IGPEWriterHandler gwh,

		IXmlStreamWriter xmlw,

		GeometryToGPEWriter gw,

		long index,

		String[] fieldNames,

		KmlStyle ksty,

		List<ICoordTrans> transfList) throws IOException {

		Geometry geom = feat.getDefaultGeometry();

		if (geom == null) {

			return false;

		}

		String strindex = String.valueOf(index);

		if (this.getParameters().getUseLabels()) {

			String lbl = getLabelForFeature(feat);

			gwh.startFeature(strindex, "FEATURE", lbl);

		} else {

			gwh.startFeature(strindex, "FEATURE", "");

		}

		// =========================

		// Style

		if (ksty != null) {

			xmlw.writeStartElement(Kml2_1_Tags.STYLEURL);

			xmlw.writeValue("#" + ksty.getId());

			xmlw.writeEndElement();

		}

		// ===== Balloon ============

		if (this.getParameters().getAttsAsBalloon()) {

			writeBalloon(xmlw, feat, fieldNames);

		}

		// ============= Geometry

		/*

         * This has no effect if reprojection is not necessary

		 */

		geom = reproject(geom, transfList);

		gw.writeGeometry(geom, this.getParameters().getUseLabels());

		// ============= Attributes

		Object val = null;

		String fldname = null;

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

			val = feat.get(fieldNames[i]);

			fldname = fieldNames[i].replace(' ', '_');

			gwh.startElement("", fldname, val == null ? "" : val.toString());

			gwh.endElement();

		}

		// =========================

		gwh.endFeature();

		return true;

	}

	private String getLabelForFeature(Feature feat) {

		return "";

//        if (this.vectorLayer.isLabeled()) {

//

//            String[] flds = vectorLayer.getLabelingStrategy().getUsedFields();

//            int n = Math.min(flds.length, 2);

//            if (n == 0) {

//                return "";

//            } else {

//                String resp = "";

//                Object val = null;

//                if (n == 1) {

//                    val = feat.get(flds[0]);

//                    resp = (val == null) ? "" : val.toString();

//                } else {

//                    // n == 2

//                    val = feat.get(flds[0]);

//                    resp = (val == null) ? "" : val.toString();

//                    val = feat.get(flds[1]);

//                    resp = (val == null) ? resp : resp + ", " + val.toString();

//                }

//                return resp;

//            }

//

//        } else {

//            return "";

//        }

	}

	private void writeBalloon(IXmlStreamWriter xmlw, Feature feat, String[] fieldNames)

		throws IOException {

		xmlw.writeStartElement(Kml2_1_Tags.EXTENDED_DATA);

		String fldrep = null;

		Object val = null;

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

			fldrep = fieldNames[i].replace(' ', '_');

			xmlw.writeStartElement(Kml2_1_Tags.DATA);

			// Att =====================================================

			xmlw.writeStartAttribute(null, "name");

			xmlw.writeValue(fldrep);

			xmlw.writeEndAttributes();

			// Value =====================================================

			xmlw.writeStartElement(Kml2_1_Tags.VALUE);

			val = feat.get(fieldNames[i]);

			xmlw.writeValue(val == null ? "" : val.toString());

			xmlw.writeEndElement();

			// =============================================

			xmlw.writeEndElement();

		}

		xmlw.writeEndElement();

		/*

         *

<ExtendedData>

      <Data name="holeNumber">

        <value>1</value>

      </Data>

      <Data name="holeYardage">

        <value>234</value>

      </Data>

      <Data name="holePar">

        <value>4</value>

      </Data>

    </ExtendedData>

         *

		 */

	}

	private Envelope reproject(Envelope env, List<ICoordTrans> transfList) throws CreateEnvelopeException {

		int sz = transfList.size();

		if (sz == 0) {

			return env;

		} else {

			Envelope resp = env;

			try {

				for (int i = 0; i < sz; i++) {

					resp = resp.convert(transfList.get(i));

				}

			} catch (Exception exc) {

				// If this process fails, we'll use "emergency values":

				GeometryManager gm = GeometryLocator.getGeometryManager();

				double[] min = new double[2];

				double[] max = new double[2];

				IProjection targetproj = this.getParameters().getTargetProjection();

				if (targetproj.isProjected()) {

					min = new double[]{-20000000, -20000000};

					max = new double[]{20000000, 20000000};

				} else {

					min = new double[]{-180, -90};

					max = new double[]{180, 90};

				}

				resp = gm.createEnvelope(

					min[0], min[1],

					max[0], max[1],

					Geometry.SUBTYPES.GEOM2D);

			}

			return resp;

		}

	}

	private void initEnvelope(Envelope env, FeatureSet featureSet) {

		for (Feature feature : featureSet) {

			Geometry geometry = feature.getDefaultGeometry();

			if (geometry != null && geometry.isValid()) {

				env.add(geometry);

			}

		}

	}

}

package org.gvsig.gpe.exportto.kml.service;

//import org.gvsig.export.dbf.service.ExportDBFParameters;

import org.gvsig.export.ExportParametersGeometry;

import org.gvsig.tools.util.HasAFile;

/**

 *

 * @author jjdelcerro

 */

public interface ExportKMLParameters extends ExportParametersGeometry, HasAFile {

        public String getMimeType();

        public void setMimeType(String value);

        public boolean getUseLabels();

        public void setUseLabels(boolean value);

        public boolean getAttsAsBalloon();

        public void setAttsAsBalloon(boolean value);

}

/*

 * To change this license header, choose License Headers in Project Properties.

 * To change this template file, choose Tools | Templates

 * and open the template in the editor.

 */

package org.gvsig.gpe.exportto.kml.service;

import java.io.File;

import org.apache.commons.io.FilenameUtils;

import org.cresques.cts.IProjection;

import org.gvsig.export.spi.AbstractExportParametersGeometry;

import org.gvsig.export.spi.ExportServiceFactory;

import org.gvsig.fmap.crs.CRSFactory;

/**

 *