added the classic should NOT be constructed warning

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/io/trunk@140512 13f79535-47bb-0310-9956-ffa450edef68

Author: hen

src/java/org/apache/commons/io/EndianUtils.java

@@ -64,11 +64,16 @@
  * Origin of code: Apache Avalon (Excalibur)
  *
  * @author <a href="mailto:peter@apache.org">Peter Donald</a>
- * @version CVS $Revision: 1.11 $ $Date: 2004/01/02 07:53:46 $
+ * @version CVS $Revision: 1.12 $ $Date: 2004/02/21 02:32:50 $
  */
 public final class EndianUtils
 {
 
+    /**
+     * Instances should NOT be constructed in standard programming.
+     */
+    public EndianUtils() { }
+
     // ========================================== Swapping routines
 
     /**

src/java/org/apache/commons/io/FileUtils.java

@@ -116,10 +116,15 @@
  * @author <a href="mailto:jefft@apache.org">Jeff Turner</a>
  * @author Matthew Hawthorne
  * @author <a href="mailto:jeremias@apache.org">Jeremias Maerki</a>
- * @version $Id: FileUtils.java,v 1.25 2003/12/30 16:27:42 jeremias Exp $
+ * @version $Id: FileUtils.java,v 1.26 2004/02/21 02:32:50 bayard Exp $
  */
 public class FileUtils {
 
+    /**
+     * Instances should NOT be constructed in standard programming.
+     */
+    public FileUtils() { }
+
     /**
      * The number of bytes in a kilobyte.
      */

src/java/org/apache/commons/io/FilenameUtils.java

@@ -76,10 +76,15 @@
  * @author <a href="mailto:jefft@apache.org">Jeff Turner</a>
  * @author Matthew Hawthorne
  * @author <a href="mailto:jeremias@apache.org">Jeremias Maerki</a>
- * @version $Id: FilenameUtils.java,v 1.5 2003/12/30 15:23:23 jeremias Exp $
+ * @version $Id: FilenameUtils.java,v 1.6 2004/02/21 02:32:50 bayard Exp $
  */
 public class FilenameUtils {
 
+    /**
+     * Instances should NOT be constructed in standard programming.
+     */
+    public FilenameUtils() { }
+
     /**
      * Check if a file exits.
      *

src/java/org/apache/commons/io/HexDump.java

@@ -1,7 +1,7 @@
 /*
- * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//io/src/java/org/apache/commons/io/HexDump.java,v 1.5 2003/12/30 06:50:16 bayard Exp $
- * $Revision: 1.5 $
- * $Date: 2003/12/30 06:50:16 $
+ * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//io/src/java/org/apache/commons/io/HexDump.java,v 1.6 2004/02/21 02:32:50 bayard Exp $
+ * $Revision: 1.6 $
+ * $Date: 2004/02/21 02:32:50 $
  *
  * ====================================================================
  *
@@ -70,10 +70,15 @@
  *
  * @author Scott Sanders (sanders at apache dot org)
  * @author Marc Johnson
- * @version $Revision: 1.5 $ $Date: 2003/12/30 06:50:16 $
+ * @version $Revision: 1.6 $ $Date: 2004/02/21 02:32:50 $
  */
 public class HexDump {
 
+    /**
+     * Instances should NOT be constructed in standard programming.
+     */
+    public HexDump() { }
+
     /**
      * dump an array of bytes to an OutputStream
      *