Application: gvSIG desktop

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

import org.cresques.cts.IProjection;

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.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.VectorialDriver;

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.IPersistence;

import com.iver.utiles.XMLEntity;

public class FLayerGenericVectorial extends FLyrVect {

        private boolean loaded = false;

        private VectorialDriver vDriver = null;

        /* 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 setDriver(VectorialDriver vDriver) {

                this.vDriver = vDriver;

        }

        public VectorialDriver getDriver() {

                return this.vDriver ;

        }

        public void setDriverByName(String driverName) throws DriverLoadException {

                this.setDriver(

                  (VectorialDriver)LayerFactory.getDM().getDriver(driverName)

                );

        }

        /* 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()));

            }

                }

        }

        /* 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.getName() == null || this.getName().length() == 0) {

                        this.setAvailable(false);

                        throw new NameLayerException(getName(),null);

                }

                if (this.vDriver == null) {

                        this.setAvailable(false);

                        throw new DriverLayerException(getName(),null);

                }

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

                        this.setAvailable(false);

                        throw new ProjectionLayerException(getName(),null);

                }

                VectorialAdapter adapter = null;

                adapter = new VectorialDefaultAdapter();

                adapter.setDriver(this.vDriver);

                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();

        }

        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);

        String driverName = xml.getStringProperty("other");

        VectorialDriver driver = null;

        try {

            driver = (VectorialDriver) LayerFactory.getDM().getDriver(driverName);

        } catch (DriverLoadException e) {

            // Si no existe ese driver, no pasa nada.

            // Puede que el desarrollador no quiera que

            // aparezca en el cuadro de di?logo y ha metido

            // el jar con sus clases en nuestro directorio lib.

            // Intentamos cargar esa clase "a pelo".

            if (xml.getChild(2).contains("className"))

            {

                String className2 = xml.getChild(2).getStringProperty("className");

                try {

                    driver = (VectorialDriver) Class.forName(className2).newInstance();

                } catch (Exception e1) {

                    throw new XMLException(e1);

                }

            }

        } catch (NullPointerException npe) {

            // Si no existe ese driver, no pasa nada.

            // Puede que el desarrollador no quiera que

            // aparezca en el cuadro de di?logo y ha metido

            // el jar con sus clases en nuestro directorio lib.

            // Intentamos cargar esa clase "a pelo".

            if (xml.getChild(2).contains("className"))

            {

                String className2 = xml.getChild(2).getStringProperty("className");

                try {

                    driver = (VectorialDriver) Class.forName(className2).newInstance();

                } catch (Exception e1) {

                    throw new XMLException(e1);

                }

            }

        }

        if (driver == null) {

                throw new XMLException(new Exception("Error al cargar el driver"));

        }

        if (driver instanceof IPersistence)

        {

                IPersistence persist = (IPersistence) driver;

            persist.setXMLEntity(xml.getChild(2));

        }

        this.setDriver(driver);

        super.setXMLEntityNew(xml);

        }

}