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Java > Open Source Codes > org > objectweb > jac > aspects > gui > MatrixUtils


1 /*
2   Copyright (C) 2004 Laurent Martelli <laurent@aopsys.com>
3
4   This program is free software; you can redistribute it and/or modify
5   it under the terms of the GNU Lesser General Public License as
6   published by the Free Software Foundation; either version 2 of the
7   License, or (at your option) any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12   GNU Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with this program; if not, write to the Free Software
16   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
17   USA */
18
19 package org.objectweb.jac.aspects.gui;
20
21 import java.io.IOException JavaDoc;
22 import java.io.Writer JavaDoc;
23 import org.jutils.csv.CSVWriter;
24 import org.objectweb.jac.util.Matrix;
25
26 /**
27  * Gui related matrix utilities.
28  * @see org.objectweb.jac.util.Matrix
29  */
30 public class MatrixUtils {
31     /**
32      * Export a matrix to a CSV (comma separated values) file.
33      * @param matrix the matrix to export
34      * @param writer where to write the CSV data
35      */
36     public static void toCSV(Matrix matrix, Writer JavaDoc writer) throws IOException JavaDoc {
37         CSVWriter out = new CSVWriter(writer);
38         int rowCount = matrix.getRowCount();
39         for (int j=0; j<rowCount; j++) {
40             int colCount = matrix.getColumnCount();
41             for (int i=0; i<colCount; i++) {
42                 out.write(GuiAC.toString(matrix.get(i,j)));
43             }
44             out.writeln();
45         }
46         writer.flush();
47     }
48 }
49
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