Index: lutinutil/src/java/org/codelutin/util/VersionNumber.java
diff -u /dev/null lutinutil/src/java/org/codelutin/util/VersionNumber.java:1.1
--- /dev/null	Thu Jan  3 05:55:36 2008
+++ lutinutil/src/java/org/codelutin/util/VersionNumber.java	Thu Jan  3 05:55:29 2008
@@ -0,0 +1,62 @@
+/* 
+* ##% Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 Code Lutin,
+* Tony Chemit
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License
+* as published by the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+* ##% */
+package org.codelutin.util;
+
+/**
+ * A class to represent an application version
+ *
+ * @author chemit
+ */
+public class VersionNumber implements Comparable<VersionNumber> {
+    protected int[] numbers;
+
+    public VersionNumber() {
+        this.numbers = new int[]{0};
+    }
+
+    public VersionNumber(int[] numbers) {
+        this.numbers = numbers;
+    }
+
+    public int[] getNumbers() {
+        return numbers;
+    }
+
+    public int getNbComponents() {
+        return numbers.length;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        for (int number : numbers) {
+            sb.append('.').append(number);
+        }
+        return sb.toString().substring(1);
+    }
+
+    public int compareTo(VersionNumber o) {
+        String str = toString();
+        String ostr = o.toString();
+        if (str.equals(ostr)) {
+            return 0;
+        }
+        return VersionNumberUtil.greaterThan(str, ostr) ? 1 : -1;
+    }
+}