001    /*
002     * Copyright (C) 2008-2010 by Holger Arndt
003     *
004     * This file is part of the Universal Java Matrix Package (UJMP).
005     * See the NOTICE file distributed with this work for additional
006     * information regarding copyright ownership and licensing.
007     *
008     * UJMP is free software; you can redistribute it and/or modify
009     * it under the terms of the GNU Lesser General Public License as
010     * published by the Free Software Foundation; either version 2
011     * of the License, or (at your option) any later version.
012     *
013     * UJMP is distributed in the hope that it will be useful,
014     * but WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
016     * GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public
019     * License along with UJMP; if not, write to the
020     * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
021     * Boston, MA  02110-1301  USA
022     */
023    
024    package org.ujmp.core.collections;
025    
026    import java.io.File;
027    import java.io.IOException;
028    import java.io.InputStream;
029    import java.io.OutputStream;
030    
031    import org.ujmp.core.util.io.IntelligentFileReader;
032    import org.ujmp.core.util.io.IntelligentFileWriter;
033    
034    public class TextMap extends AbstractDiskMap<String, String> {
035            private static final long serialVersionUID = -7635770465612652548L;
036    
037            public TextMap() throws IOException {
038                    this((File) null, true);
039            }
040    
041            public TextMap(String path) throws IOException {
042                    this(new File(path), true);
043            }
044    
045            public TextMap(boolean useGZip) throws IOException {
046                    this((File) null, useGZip);
047            }
048    
049            public TextMap(String path, boolean useGZip) throws IOException {
050                    this(new File(path), useGZip);
051            }
052    
053            public TextMap(File path) throws IOException {
054                    this(path, true);
055            }
056    
057            public TextMap(File path, boolean useGZip) throws IOException {
058                    super(path, useGZip);
059            }
060    
061            public final void writeValue(OutputStream os, String value) {
062                    IntelligentFileWriter.write(os, value);
063            }
064    
065            public String readValue(InputStream is) {
066                    String s = IntelligentFileReader.load(is);
067                    if (s != null && s.length() > 1) {
068                            s = s.substring(0, s.length() - 1);
069                    }
070                    return s;
071            }
072    
073    }