001    //$HeadURL$
002    /*----------------    FILE HEADER  ------------------------------------------
003     This file is part of deegree.
004     Copyright (C) 2001-2008 by:
005     Department of Geography, University of Bonn
006     http://www.giub.uni-bonn.de/deegree/
007     lat/lon GmbH
008     http://www.lat-lon.de
009    
010     This library is free software; you can redistribute it and/or
011     modify it under the terms of the GNU Lesser General Public
012     License as published by the Free Software Foundation; either
013     version 2.1 of the License, or (at your option) any later version.
014     This library is distributed in the hope that it will be useful,
015     but WITHOUT ANY WARRANTY; without even the implied warranty of
016     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
017     Lesser General Public License for more details.
018     You should have received a copy of the GNU Lesser General Public
019     License along with this library; if not, write to the Free Software
020     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
021     Contact:
022    
023     Andreas Poth
024     lat/lon GmbH
025     Aennchenstr. 19
026     53177 Bonn
027     Germany
028     E-Mail: poth@lat-lon.de
029    
030     Prof. Dr. Klaus Greve
031     Department of Geography
032     University of Bonn
033     Meckenheimer Allee 166
034     53115 Bonn
035     Germany
036     E-Mail: greve@giub.uni-bonn.de
037     ---------------------------------------------------------------------------*/
038    
039    package org.deegree.framework.file;
040    
041    import java.io.File;
042    import java.io.FileInputStream;
043    import java.io.FileOutputStream;
044    import java.io.IOException;
045    import java.util.Properties;
046    
047    import org.deegree.framework.log.ILogger;
048    import org.deegree.framework.log.LoggerFactory;
049    
050    /**
051     * 
052     * 
053     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
054     * @author last edited by: $Author: poth $
055     * 
056     * @version. $Revision: 6251 $, $Date: 2007-03-19 16:59:28 +0100 (Mo, 19 Mrz 2007) $
057     */
058    public class FileMemory {
059        
060        private static ILogger LOG = LoggerFactory.getLogger( FileMemory.class );
061    
062    
063        /**
064         * 
065         * @param type any string that is valid to be part of a file name
066         * @return last directory
067         */
068        public static File getLastDirectory( String type ) {
069            Properties prop = new Properties();
070            try {
071                File tmpFile = File.createTempFile( "deegree_file_memory", ".txt" );
072                String s = tmpFile.getAbsolutePath();
073                s = s.substring( 0, s.lastIndexOf( File.separator ) + 1 );
074                tmpFile = new File( s + "deegree_file_memory.txt");
075                if ( tmpFile.exists() ) {
076                    FileInputStream fis = new FileInputStream( tmpFile );
077                    prop.load( fis );
078                    fis.close();
079                }
080            } catch ( IOException e ) {
081                LOG.logError( e.getMessage(), e );
082            }
083            String s = prop.getProperty( type );
084            if ( s == null ) {
085                return new File( "." );
086            }
087            return new File( s );
088        }
089    
090        /**
091         * 
092         * @param type any string that is valid to be part of a file name
093         * @param dir
094         */
095        public static void setLastDirectory( String type, File dir ) {
096            Properties prop = new Properties();
097            try {
098                File tmpFile = File.createTempFile( "deegree_file_memory", ".txt" );
099                String s = tmpFile.getAbsolutePath();
100                s = s.substring( 0, s.lastIndexOf( File.separator ) + 1 );
101                tmpFile = new File( s + "deegree_file_memory.txt");
102                if ( tmpFile.exists() ) {
103                    FileInputStream fis = new FileInputStream( tmpFile );
104                    prop.load( fis );
105                    fis.close();
106                }
107            } catch ( IOException e ) {            
108                LOG.logError( e.getMessage(), e );
109            }
110            prop.put( type, dir.getAbsolutePath() );
111            try {
112                File tmpFile = File.createTempFile( "deegree_file_memory", ".txt" );
113                String s = tmpFile.getAbsolutePath();
114                s = s.substring( 0, s.lastIndexOf( File.separator ) + 1 );
115                tmpFile = new File( s + "deegree_file_memory.txt"); 
116                FileOutputStream fos = new FileOutputStream( tmpFile );
117                prop.store( fos, null );
118                fos.close();
119            } catch ( Exception e ) {
120                LOG.logError( e.getMessage(), e );
121            }
122        }
123    
124        /**
125         * 
126         * @param type any string that is valid to be part of a file name
127         * @return last file
128         */
129        public static File getLastFile( String type ) {
130            //TODO
131            return null;
132        }
133    
134        /**
135         * 
136         * @param type any string that is valid to be part of a file name
137         * @param file
138         */
139        public static void setLastFile( String type, File file ) {
140            //TODO
141        }
142    
143    }