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.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.AbstractDataStoreParameters;

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

import static org.gvsig.fmap.dal.store.dxf.DXFOpenStoreParameters.CRS_PARAMTER_NAME;

import static org.gvsig.fmap.dal.store.dxf.DXFOpenStoreParameters.FILE_PARAMTER_NAME;

import static org.gvsig.fmap.dal.store.dxf.DXFOpenStoreParameters.PARAMETERS_DEFINITION_NAME;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.tools.dynobject.DelegatedDynObject;

public class DXFNewStoreParameters

        extends AbstractDataStoreParameters implements

        FilesystemStoreParameters,

        NewFeatureStoreParameters {

    private DelegatedDynObject parameters;

    public DXFNewStoreParameters() {

        this(PARAMETERS_DEFINITION_NAME);

    }

    protected DXFNewStoreParameters(String parametersDefinitionName) {

        this(parametersDefinitionName, DXFStoreProvider.NAME);

    }

    public DXFNewStoreParameters(String parametersDefinitionName, String name) {

        super();

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

        this.setDynValue(DataStoreProviderServices.PROVIDER_PARAMTER_NAME, name);

    }

    @Override

    public String getDataStoreName() {

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

    }

    @Override

    public String getDescription() {

        return this.getDynClass().getDescription();

    }

    @Override

    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();

    }

    @Override

    public boolean isValid() {

        if (getCRS() == null) {

            return false;

        }

        return getFileName() != null;

    }

    @Override

    public File getFile() {

        return (File) this.getDynValue(FILE_PARAMTER_NAME);

    }

    @Override

    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);

            }

        }

    }

    @Override

    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;

    }

    @Override

    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;

    }

}