Application: gvSIG desktop » gvSIG data provider for DXF

package org.gvsig.fmap.dal.store.dxf;

import java.io.File;

import java.io.IOException;

import org.apache.commons.io.FileUtils;

import org.apache.commons.io.FilenameUtils;

import org.cresques.cts.ICRSFactory;

import org.cresques.cts.IProjection;

import org.gvsig.fmap.crs.CRSFactory;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.DataStoreParameters;

import org.gvsig.fmap.dal.FileHelper;

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

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

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

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

import org.gvsig.fmap.dal.spi.AbstractDataParameters;

import org.gvsig.fmap.dal.spi.DataStoreProviderServices;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.tools.dynobject.DelegatedDynObject;

public class DXFStoreParameters extends AbstractDataParameters implements

                DataStoreParameters, FilesystemStoreParameters,

                NewFeatureStoreParameters {

    public static final String PARAMETERS_DEFINITION_NAME = "DXFStoreParameters";

    private static final String FILE_PARAMTER_NAME = "File";

    private static final String CRS_PARAMTER_NAME = "CRS";

        private DelegatedDynObject parameters;

        public DXFStoreParameters() {

                this(PARAMETERS_DEFINITION_NAME);

        }

        protected DXFStoreParameters(String parametersDefinitionName) {

                this(parametersDefinitionName, DXFStoreProvider.NAME);

        }

        public DXFStoreParameters(String parametersDefinitionName, String name) {

                super();

                this.parameters = (DelegatedDynObject) FileHelper.newParameters(parametersDefinitionName);

                this.setDynValue(DataStoreProviderServices.PROVIDER_PARAMTER_NAME, name);

        }

        public String getDataStoreName() {

                return (String) this.getDynValue(DataStoreProviderServices.PROVIDER_PARAMTER_NAME);

        }

        public String getDescription() {

                return this.getDynClass().getDescription();

        }

        protected DelegatedDynObject getDelegatedDynObject() {

                return parameters;

        }

        public void setCRS(String srs) {

                setDynValue(CRS_PARAMTER_NAME, srs);

        }

        public void setCRS(IProjection srs) {

                setDynValue(CRS_PARAMTER_NAME, srs);

        }

        public IProjection getCRS() {

                return (IProjection) getDynValue(CRS_PARAMTER_NAME);

        }

        public String getFileName() {

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

                        return null;

                }

                return this.getFile().getPath();

        }

        public boolean isValid() {

                if (getCRS() == null ) {

                        return false;

                }

                if (getFileName() == null) {

                        return false;

                }

                return true;

        }

        public File getFile() {

                return (File) this.getDynValue(FILE_PARAMTER_NAME);

        }

        public void setFile(File file) {

                this.setDynValue(FILE_PARAMTER_NAME, file);

        if (getCRS() == null){

            String wktEsri = loadPrj(file);

            if (wktEsri != null) {

                IProjection proj = CRSFactory.getCRSFactory().get(ICRSFactory.FORMAT_WKT_ESRI, wktEsri);

                setCRS(proj);

            }

        }

        }

        public void setFile(String file) {

                this.setDynValue(FILE_PARAMTER_NAME, file);

              File dxfFile = (File) this.getDynValue(FILE_PARAMTER_NAME);

                if (getCRS() == null){

                    String wktEsri = loadPrj(dxfFile);

                    if (wktEsri != null) {

                        IProjection proj = CRSFactory.getCRSFactory().get(ICRSFactory.FORMAT_WKT_ESRI, wktEsri);

                        setCRS(proj);

                    }

                }

        }

        public EditableFeatureType getDefaultFeatureType() {

                // FIXME: Esto no se si funciona.

            DataManager manager = DALLocator.getDataManager();

            EditableFeatureType featureType = manager.createFeatureType();

                DXFStoreProvider.initializeFeatureType(featureType, null, Geometry.SUBTYPES.GEOM3D);

                return featureType;

        }

        public void setDefaultFeatureType(FeatureType defaultFeatureType) {

                throw new UnsupportedOperationException();

        }

    private String loadPrj(File dxfFile){

        File prjFile = new File(FilenameUtils.removeExtension(dxfFile.getAbsolutePath())+".prj");

        if (prjFile.exists()) {

            try {

                return FileUtils.readFileToString(prjFile);

            } catch (IOException e) {

                return null;

            }

        }

        return null;

    }

}