+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir 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.
+ *
+ * Mir 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 Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with the com.oreilly.servlet library, any library
+ * licensed under the Apache Software License, The Sun (tm) Java Advanced
+ * Imaging library (JAI), The Sun JIMI library (or with modified versions of
+ * the above that use the same license as the above), and distribute linked
+ * combinations including the two. You must obey the GNU General Public
+ * License in all respects for all of the code used other than the above
+ * mentioned libraries. If you modify this file, you may extend this exception
+ * to your version of the file, but you are not obligated to do so. If you do
+ * not wish to do so, delete this exception statement from your version.
+ */
+
+package mir.misc;
+
+import freemarker.template.*;
+
+import java.text.NumberFormat;
+import java.util.List;
+
+/**
+ * Help methods for number handling.
+ *
+ * @version $Id: NumberUtils.java,v 1.1.2.1 2002/11/28 05:54:54 mh Exp $
+ * @author mh, Mir-coders group
+ *
+ */
+
+public final class NumberUtils {
+
+ /*
+ * Uses a suffix indicating multiples of 1024 (K),
+ * 1024*1024 (M), and 1024*1024*1024 (G). For example,
+ * 8500 would be converted to 8.3K, 133456345 to
+ * 127M, 56990456345 to 53G, and so on. Numbers
+ * smaller than 1024 aren't modified.
+ *
+ * @param bytes The number of bytes.
+ * @return A text representation of the number of bytes,
+ * abbreviated for larger quantities.
+ */
+ public static String humanReadableSize(double bytes)
+ {
+ String suffix;
+
+ if( bytes >= 1024 * 1024 * 1024 )
+ {
+ bytes /= (1024 * 1024 * 1024);
+ suffix = "G";
+ }
+ else if( bytes >= 1024 * 1024 )
+ {
+ bytes /= (1024 * 1024);
+ suffix = "M";
+ }
+ else if( bytes >= 1024 )
+ {
+ bytes /= 1024;
+ suffix = "K";
+ }
+ else
+ {
+ suffix = "";
+ }
+ int frac = (bytes >= 10 || bytes == 0) ? 0 : 1;
+ NumberFormat nf = NumberFormat.getInstance();
+ nf.setMinimumFractionDigits(frac);
+ nf.setMaximumFractionDigits(frac);
+ System.out.println(nf.getMinimumIntegerDigits());
+ nf.setGroupingUsed(false);
+ return nf.format(bytes) + suffix;
+ }
+
+}
+