| gvSIG desktop 1

package com.iver.cit.gvsig.fmap.layers;

import java.io.File;

import java.io.FileNotFoundException;

import org.cresques.cts.IProjection;

import org.gvsig.tools.file.PathGenerator;

import com.hardcode.driverManager.DriverLoadException;

import com.hardcode.gdbms.driver.exceptions.ReadDriverException;

import com.iver.cit.gvsig.exceptions.layers.DriverLayerException;

import com.iver.cit.gvsig.exceptions.layers.FileLayerException;

import com.iver.cit.gvsig.exceptions.layers.LegendLayerException;

import com.iver.cit.gvsig.exceptions.layers.LoadLayerException;

import com.iver.cit.gvsig.exceptions.layers.NameLayerException;

import com.iver.cit.gvsig.exceptions.layers.ProjectionLayerException;

import com.iver.cit.gvsig.exceptions.layers.XMLLayerException;

import com.iver.cit.gvsig.fmap.crs.CRSFactory;

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

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

import com.iver.cit.gvsig.fmap.rendering.IVectorLegend;

import com.iver.cit.gvsig.fmap.rendering.LegendFactory;

import com.iver.cit.gvsig.fmap.rendering.styling.labeling.AttrInTableLabelingStrategy;

import com.iver.cit.gvsig.fmap.rendering.styling.labeling.ILabelingStrategy;

import com.iver.utiles.XMLEntity;

public class FLayerFileVectorial extends FLyrVect{

        private boolean loaded = false;

        private File dataFile = null;

        private VectorialFileDriver fileDriver = null;

        private static PathGenerator pathGenerator=PathGenerator.getInstance();

        public FLayerFileVectorial() {

                super();

        }

        public FLayerFileVectorial(String name, String fileName,String driverName,String projectionName) throws Exception {

                super();

                this.setName(name);

                this.setFileName(fileName);

                this.setDriverByName(driverName);

                this.setProjectionByName(projectionName);

        }

        /* Esto deberia ir en el FLyrDefault */

        public void setProjectionByName(String projectionName) throws Exception{

                IProjection proj = CRSFactory.getCRS(projectionName);

                if (proj == null) {

                        throw new Exception("No se ha encontrado la proyeccion: "+ projectionName);

                }

                this.setProjection(proj);

        }

        public void setFileName(String filePath) throws FileNotFoundException{

                if (dataFile != null) {

                        //TODO: que excepcion lanzar???

                        return;

                }

                String path=pathGenerator.getPath(filePath);

                File file = new File(path);

                if (!file.exists()) {

                        throw new FileNotFoundException(path);

                }

                this.dataFile = file;

        }

        public void setFile(File file) throws FileNotFoundException {

                String path = pathGenerator.getPath(file.getAbsolutePath());

                if (dataFile != null) {

                        //TODO: que excepcion lanzar???

                        return;

                }

                if (!file.exists()) {

                        throw new FileNotFoundException(path);

                }

                this.dataFile = new File(path);

        }

        public String getFileName() {

                if (this.dataFile == null) {

                        return null;

                }

                return this.dataFile.getAbsolutePath();

        }

        public void setDriver(VectorialFileDriver driver) {

                this.fileDriver = driver;

        }

        public void setDriverByName(String driverName) throws DriverLoadException {

                this.setDriver(

                  (VectorialFileDriver)LayerFactory.getDM().getDriver(driverName)

                );

        }

        public VectorialFileDriver getDriver() {

                return this.fileDriver;

        }

        /* FIXME: esto tendria que tener declarado un throws de algo*/

        public void wakeUp() throws LoadLayerException {

                if (!loaded) {

                        this.load();

                }

        }

        public void load() throws LoadLayerException {

                if (this.dataFile == null) {

                        this.setAvailable(false);

                        throw new FileLayerException(getName(),null);

                }

                if (this.getName() == null || this.getName().length() == 0) {

                        this.setAvailable(false);

                        throw new NameLayerException(getName(),null);

                }

                if (this.fileDriver == null) {

                        this.setAvailable(false);

                        throw new DriverLayerException(getName(),null);

                }

                if (this.getProjection() == null) {

                        this.setAvailable(false);

                        throw new ProjectionLayerException(getName(),null);

                }

                        VectorialFileAdapter adapter = new VectorialFileAdapter(this.dataFile);

                        adapter.setDriver(this.fileDriver);

                        this.setSource(adapter);

                        try {

                                this.putLoadSelection();

                                this.putLoadLegend();

                                this.initializeLegendDefault();

                        } catch (LegendLayerException e) {

                                this.setAvailable(false);

                                throw new LegendLayerException(getName(),e);

                        } catch (XMLException e) {

                                this.setAvailable(false);

                                throw new XMLLayerException(getName(),e);

                        } catch (ReadDriverException e) {

                                this.setAvailable(false);

                                throw new LoadLayerException(getName(),e);

                        }

                this.cleanLoadOptions();

                this.loaded = true;

        }

        /* Esto deberia ir en FLyrVect */

        private void initializeLegendDefault() throws LegendLayerException, ReadDriverException {

                if (this.getLegend() == null) {

            if (this.getRecordset().getDriver() instanceof WithDefaultLegend) {

                WithDefaultLegend aux = (WithDefaultLegend) this.getRecordset().getDriver();

                this.setLegend((IVectorLegend) aux.getDefaultLegend());

                ILabelingStrategy labeler = aux.getDefaultLabelingStrategy();

                if (labeler instanceof AttrInTableLabelingStrategy) {

                        ((AttrInTableLabelingStrategy) labeler).setLayer(this);

                }

                this.setLabelingStrategy(labeler);

            } else {

                this.setLegend(LegendFactory.createSingleSymbolLegend(

                        this.getShapeType()));

            }

                }

        }

        public void setXMLEntity(XMLEntity xml) throws XMLException {

        IProjection proj = null;

        if (xml.contains("proj")) {

            proj = CRSFactory.getCRS(xml.getStringProperty("proj"));

        }

        else

        {

            proj = this.getMapContext().getViewPort().getProjection();

        }

                this.setName(xml.getName());

                this.setProjection(proj);

                try {

                        this.setDriver(

                                (VectorialFileDriver)LayerFactory.getDM().getDriver(

                                        xml.getStringProperty("driverName")

                                )

                        );

                } catch (DriverLoadException e) {

                        throw new XMLException(e);

                } catch (ClassCastException e) {

                        throw new XMLException(e);

                }

                try {

                        this.setFileName(xml.getStringProperty("file"));

                } catch (FileNotFoundException e) {

                        throw new XMLException(e);

                }

                super.setXMLEntityNew(xml);

        }

}