001 /* 002 Copyright (C) 2004 Laurent Martelli <laurent@aopsys.com> 003 004 This program is free software; you can redistribute it and/or modify 005 it under the terms of the GNU Lesser General Public License as 006 published by the Free Software Foundation; either version 2 of the 007 License, or (at your option) any later version. 008 009 This program is distributed in the hope that it will be useful, 010 but WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 012 GNU Lesser General Public License for more details. 013 014 You should have received a copy of the GNU Lesser General Public 015 License along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 017 USA */ 018 019 package org.objectweb.jac.aspects.gui; 020 021 import java.io.IOException; 022 import java.io.Writer; 023 import org.jutils.csv.CSVWriter; 024 import org.objectweb.jac.util.Matrix; 025 026 /** 027 * Gui related matrix utilities. 028 * @see org.objectweb.jac.util.Matrix 029 */ 030 public class MatrixUtils { 031 /** 032 * Export a matrix to a CSV (comma separated values) file. 033 * @param matrix the matrix to export 034 * @param writer where to write the CSV data 035 */ 036 public static void toCSV(Matrix matrix, Writer writer) throws IOException { 037 CSVWriter out = new CSVWriter(writer); 038 int rowCount = matrix.getRowCount(); 039 for (int j=0; j<rowCount; j++) { 040 int colCount = matrix.getColumnCount(); 041 for (int i=0; i<colCount; i++) { 042 out.write(GuiAC.toString(matrix.get(i,j))); 043 } 044 out.writeln(); 045 } 046 writer.flush(); 047 } 048 }