Application: gvSIG desktop

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2016 gvSIG Association

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.dal.file.png;

import java.io.File;

import java.io.IOException;

import org.apache.commons.io.FilenameUtils;

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;

/**

 * Filesystem Provider for Png.

 * @author fdiaz

 *

 */

public class PngFileSystemServerProvider extends AbstractFilesystemServerExplorerProvider

implements FilesystemServerExplorerProvider, ResourceConsumer{

    protected FilesystemServerExplorerProviderServices serverExplorer;

    @Override

    public int getMode() {

        return DataServerExplorer.MODE_RASTER;

    }

    @Override

    public boolean canCreate() {

        return false;

    }

    @Override

    public boolean canCreate(NewDataStoreParameters arg0) {

        return false;

    }

    @Override

    public void create(NewDataStoreParameters arg0, boolean arg1)

        throws CreateException {

        throw new UnsupportedOperationException();

    }

    @Override

    public NewDataStoreParameters getCreateParameters() throws DataException {

        throw new UnsupportedOperationException();

    }

    @Override

    public void initialize(FilesystemServerExplorerProviderServices serverExplorer) {

        this.serverExplorer = serverExplorer;

    }

    @Override

    public void remove(DataStoreParameters parameters) throws RemoveException {

        PngStoreProviderParameters params = (PngStoreProviderParameters) parameters;

        File file = params.getFile();

        if (!file.exists()) {

            throw new RemoveException(this.getDataStoreProviderName(),

                    new FileNotFoundException(params.getFile()));

        }

        if (!file.delete()) {

            throw new RemoveException(this.getDataStoreProviderName(),

                    new IOException("Error deleting file: "+file.getName()));

        }

    }

    @Override

    public String getDataStoreProviderName() {

        return PngStoreProvider.NAME;

    }

    @Override

    public String getDescription() {

        return PngStoreProvider.DESCRIPTION;

    }

    @Override

    public boolean accept(File pathname) {

        return FilenameUtils.isExtension(pathname.getName().toLowerCase(), "png");

    }

    @Override

    public boolean closeResourceRequested(ResourceProvider resource) {

        return !(this.equals(resource));

    }

    @Override

    public void resourceChanged(ResourceProvider resource) {

        //Do nothing

    }

}