Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 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 3

 * 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.

 */

/*

 * AUTHORS (In addition to CIT):

 * 2010 {Prodevelop}   {Task}

 */

package org.gvsig.fmap.dal.serverexplorer.filesystem.impl;

import java.io.File;

import org.apache.commons.io.FilenameUtils;

import org.apache.commons.io.IOUtils;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.DataServerExplorer;

import org.gvsig.fmap.dal.DataStore;

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.file.FileResource;

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

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

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

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

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

import org.gvsig.tools.resourcesstorage.ResourcesStorage;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera Llodr&aacute;</a>

 */

public abstract class AbstractFilesystemServerExplorerProvider 

        implements FilesystemServerExplorerProvider 

  {

    protected static final Logger LOGGER = LoggerFactory.getLogger(AbstractFilesystemServerExplorerProvider.class);

    private String name;

    private String description;

    private FilesystemServerExplorerProviderFactory factory;

    protected AbstractFilesystemServerExplorerProvider() {

    }

    protected AbstractFilesystemServerExplorerProvider(FilesystemServerExplorerProviderFactory factory, String name, String description) {

        this.factory = factory;

        this.name = name;

        this.description = description;

    }

    protected AbstractFilesystemServerExplorerProvider(String name, String description) {

      this(null, name, description);

    }

    public FilesystemServerExplorerProviderFactory getFactory() {

      return factory;

    }

    @Override

    public String getDataStoreProviderName() {

        return this.name;

    }

    public String getName() {

        return this.name;

    }

    @Override

    public String getDescription() {

        return this.description;

    }

    @Override

    public String getResourceRootPathName(DataStore dataStore) {

        return this.getResourceRootPathName(dataStore.getParameters());

    }

    @Override

    public String getResourceRootPathName(DataStoreParameters parameters) {

        if( parameters instanceof FilesystemStoreParameters ) {

            File f = ((FilesystemStoreParameters) parameters).getFile();

            if( f != null ) {

                return FilenameUtils.removeExtension(f.getAbsolutePath());

            }

        }

        if( parameters.hasDynValue(FileResource.NAME) ) {

            Object obj = (parameters.getDynValue(FileResource.NAME));

            if( obj != null ) {

                return removeFileExtension(new File(obj.toString()));

            }

        }

        return null;

    }

    protected String removeFileExtension(File file) {

        int whereDot = file.getName().lastIndexOf(".");

        if( (0 < whereDot) && (whereDot <= file.getName().length() - 2) ) {

            whereDot = file.getAbsolutePath().lastIndexOf(".");

            return file.getAbsolutePath().substring(0, whereDot);

        }

        return file.getAbsolutePath();

    }

    @Override

    public int getMode() {

        return DataServerExplorer.MODE_ALL;

    }

    @Override

    public boolean isMode(int mode) {

        if( mode == DataServerExplorer.MODE_ALL ) {

            return true;

        }

        return (this.getMode() & mode) != 0;

    }

    public DataStoreParameters getParameters(File file) throws DataException {

        DataManager manager = DALLocator.getDataManager();

        DataStoreParameters params = manager.createStoreParameters(this.getDataStoreProviderName());

        ((FilesystemStoreParameters) params).setFile(file);

        return params;

    }

    @Override

    public boolean canCreate() {

        return false;

    }

    @Override

    public boolean canCreate(NewDataStoreParameters parameters) {

        throw new UnsupportedOperationException();

    }

    @Override

    public void create(NewDataStoreParameters parameters, boolean overwrite)

        throws CreateException {

        throw new UnsupportedOperationException();

    }

    @Override

    public NewDataStoreParameters getCreateParameters() throws DataException {

        throw new UnsupportedOperationException();

    }

    @Override

    public void remove(DataStoreParameters parameters) throws RemoveException {

        File file = ((FilesystemStoreParameters) parameters).getFile();

        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;

    }

    public void resourceChanged(ResourceProvider resource) {

        //Do nothing

    }

    @Override

    public void initialize(FilesystemServerExplorerProviderServices serverExplorer) {

    }    

}