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.stringmatrix.impl; 025 026 import java.io.File; 027 import java.util.Arrays; 028 import java.util.Collections; 029 import java.util.List; 030 031 import org.ujmp.core.stringmatrix.stub.AbstractDenseStringMatrix2D; 032 033 public class FileListMatrix extends AbstractDenseStringMatrix2D { 034 private static final long serialVersionUID = -2627484975560893624L; 035 036 private List<File> files = null; 037 038 public FileListMatrix(String path) { 039 this(new File(path)); 040 } 041 042 public FileListMatrix(File path) { 043 this.files = Arrays.asList(path.listFiles()); 044 Collections.sort(files); 045 setMatrixAnnotation(path); 046 } 047 048 public long[] getSize() { 049 return new long[] { files.size(), 2 }; 050 } 051 052 public String getString(long row, long column) { 053 switch ((int) column) { 054 case 0: 055 File f = files.get((int) row); 056 return f.getName(); 057 case 1: 058 return "" + files.get((int) row).length(); 059 } 060 return null; 061 } 062 063 public void setString(String value, long row, long column) { 064 if (column == 0 && row < files.size()) { 065 File source = files.get((int) row); 066 File target = new File(source.getParent() + File.separator + value); 067 source.renameTo(target); 068 files.set((int) row, target); 069 } 070 } 071 072 }