Application: gvSIG desktop » gvSIG data provider for DGN

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

import java.io.File;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.DataServerExplorer;

import org.gvsig.fmap.dal.DataStoreParameters;

import org.gvsig.fmap.dal.NewDataStoreParameters;

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

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

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

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

import org.gvsig.fmap.dal.resource.spi.ResourceConsumer;

import org.gvsig.fmap.dal.resource.spi.ResourceProvider;

import org.gvsig.fmap.dal.serverexplorer.filesystem.impl.AbstractFilesystemServerExplorerProvider;

import org.gvsig.fmap.dal.serverexplorer.filesystem.spi.FilesystemServerExplorerProvider;

import org.gvsig.fmap.dal.serverexplorer.filesystem.spi.FilesystemServerExplorerProviderServices;

public class DGNFilesystemServerProvider extends AbstractFilesystemServerExplorerProvider 

        implements FilesystemServerExplorerProvider, ResourceConsumer {

//        private FilesystemServerExplorerProviderServices serverExplorer;

        public String getDataStoreProviderName() {

                return DGNStoreProvider.NAME;

        }

        public int getMode() {

                return DataServerExplorer.MODE_FEATURE | DataServerExplorer.MODE_GEOMETRY;

        }

        public boolean accept(File pathname) {

                return (pathname.getName().toLowerCase().endsWith(".dgn"));

        }

        public String getDescription() {

                return DGNStoreProvider.DESCRIPTION;

        }

        public DataStoreParameters getParameters(File file) throws DataException {

                DataManager manager = DALLocator.getDataManager();

                DGNStoreParameters params = (DGNStoreParameters) manager

                                .createStoreParameters(this

                                .getDataStoreProviderName());

                params.setFile(file);

                return params;

        }

        public boolean canCreate() {

                return false;

        }

        public boolean canCreate(NewDataStoreParameters parameters) {

                return this.canCreate();

        }

        public void create(NewDataStoreParameters parameters, boolean overwrite)

                        throws CreateException {

                throw new UnsupportedOperationException();

        }

        public NewDataStoreParameters getCreateParameters() throws DataException {

                return null;

        }

        public void initialize(

                        FilesystemServerExplorerProviderServices serverExplorer) {

//                this.serverExplorer = serverExplorer;

        }

        public void remove(DataStoreParameters parameters) throws RemoveException {

                File file = new File(((DGNStoreParameters) parameters).getFileName());

                if (!file.exists()) {

                        throw new RemoveException(this.getDataStoreProviderName(),

                                        new FileNotFoundException(file));

                }

                if (!file.delete()) {

                        // FIXME throws ???

                }

        }

        public boolean closeResourceRequested(ResourceProvider resource) {

                // while it is using a resource anyone can't close it

                return false;

        }

        /*

         * (non-Javadoc)

         *

         * @see

         * org.gvsig.fmap.dal.resource.spi.ResourceConsumer#resourceChanged(org.

         * gvsig.fmap.dal.resource.spi.ResourceProvider)

         */

        public void resourceChanged(ResourceProvider resource) {

                //Do nothing

        }

}