--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/dancres/util/NumUtil.java	Sat Mar 21 11:00:06 2009 +0000
@@ -0,0 +1,57 @@
+package org.dancres.util;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ */
+public class NumUtil {
+    private static final String GB = "g";
+    private static final String MB = "m";
+    private static final String KB = "k";
+
+    public static long convertToBytes(String theDbCacheSizeValue)
+        throws IllegalArgumentException {
+
+        String format = "\\d\\s*[" + GB + MB + KB + "]?";
+
+        // check format
+        //
+        Pattern pattern = Pattern.compile(format, Pattern.CASE_INSENSITIVE);
+        Matcher matcher = pattern.matcher(theDbCacheSizeValue);
+        if (!matcher.find())
+            throw new IllegalArgumentException("Could not parse " +
+                theDbCacheSizeValue +
+                ". Should be of the form '0-9[k|m|g]'");
+
+        // grab the number piece
+        //
+        String splitOnUOM = "[kKmMgG]";
+        String[] splitOnUOMArr = theDbCacheSizeValue.split(splitOnUOM);
+        long size = Long.parseLong(splitOnUOMArr[0].trim());
+
+        // grab the unit of measure piece
+        //
+        String uom = theDbCacheSizeValue.substring(splitOnUOMArr[0].length());
+        if (uom.length() > 0)
+            uom = uom.substring(0, 1);
+
+        // convert the size to bytes
+        //
+        long sizeInBytes = size;
+        if (KB.equalsIgnoreCase(uom))
+            sizeInBytes = size * 1024;
+        else if (MB.equalsIgnoreCase(uom))
+            sizeInBytes = size * 1024 * 1024;
+        else if (GB.equalsIgnoreCase(uom))
+            sizeInBytes = size * 1024 * 1024 * 1024;
+        else
+            sizeInBytes = size;
+
+        return sizeInBytes;
+    }
+
+    public static void main(String anArgs[]) throws Exception {
+        System.out.println(convertToBytes(anArgs[0]));
+    }
+}