    001    /*----------------------------------------------------------------------------
    002     This file is part of deegree, http://deegree.org/
    003     Copyright (C) 2001-2009 by:
    004       Department of Geography, University of Bonn
    005     and
    006       lat/lon GmbH
    007
    008     This library is free software; you can redistribute it and/or modify it under
    009     the terms of the GNU Lesser General Public License as published by the Free
    010     Software Foundation; either version 2.1 of the License, or (at your option)
    011     any later version.
    012     This library is distributed in the hope that it will be useful, but WITHOUT
    013     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    014     FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
    015     details.
    016     You should have received a copy of the GNU Lesser General Public License
    017     along with this library; if not, write to the Free Software Foundation, Inc.,
    018     59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
    019
    020     Contact information:
    021
    022     lat/lon GmbH
    023     Aennchenstr. 19, 53177 Bonn
    024     Germany
    025     http://lat-lon.de/
    026
    027     Department of Geography, University of Bonn
    028     Prof. Dr. Klaus Greve
    029     Postfach 1147, 53001 Bonn
    030     Germany
    031     http://www.geographie.uni-bonn.de/deegree/
    032
    033     e-mail: info@deegree.org
    034    ----------------------------------------------------------------------------*/
    035    package org.deegree.tools.importer;
    036
    037    import java.io.BufferedInputStream;
    038    import java.io.File;
    039    import java.io.FileInputStream;
    040    import java.io.FileNotFoundException;
    041    import java.io.IOException;
    042    import java.util.ArrayList;
    043    import java.util.List;
    044
    045    import org.deegree.framework.log.ILogger;
    046    import org.deegree.framework.log.LoggerFactory;
    047
    048    /**
    049     *
    050     * The <code>FileLoader</code> loads a file from given path.
    051     *
    052     * @author <a href="mailto:buesching@lat-lon.de">Lyn Buesching</a>
    053     * @author last edited by: $Author: buesching $
    054     *
    055     * @version $Revision: 1.1 $, $Date: 2007-10-10 14:21:26 $
    056     *
    057     */
    058    public class FileLoader implements Loader {
    059
    060        private static final ILogger LOG = LoggerFactory.getLogger( FileLoader.class );
    061
    062        /**
    063         * @param objectToLoad
    064         *            contains an Array of strings, where the first entry contains the source to load
    065         *            and the second the target to export
    066         * @return an ArrayList of objects, where the first object contains an Array of bytes to export
    067         *         and the second object the information of the target to export
    068         */
    069        public Object loadObject( Object objectToLoad ) {
    070            List<Object> result = new ArrayList<Object>();
    071            String source = ( (String[]) objectToLoad )[0];
    072            LOG.logInfo( Messages.getString( "FileLoader.LOAD", source ) );
    073            File file = new File( source );
    074            int fileLength = (int) file.length();
    075            byte[] byteArray = new byte[fileLength];
    076            try {
    077                FileInputStream fileIS = new FileInputStream( file );
    078                BufferedInputStream bufferedIS = new BufferedInputStream( fileIS );
    079                bufferedIS.read( byteArray, 0, fileLength );
    080                bufferedIS.close();
    081                fileIS.close();
    082                result.add( byteArray );
    083                result.add( ( (String[]) objectToLoad )[1] );
    084                return result;
    085            } catch ( FileNotFoundException e ) {
    086                e.printStackTrace();
    087                return null;
    088            } catch ( IOException e ) {
    089                e.printStackTrace();
    090                return null;
    091            }
    092        }
    093
    094    }