new StringUtils: formatNumber

diff --git a/src/be/nikiroo/utils/StringUtils.java b/src/be/nikiroo/utils/StringUtils.java
index ef3d84b921aea488f5ce17e5b8b52334cf24a375..994522970af119ebd8c929e318df3849c452ad67 100644 (file)
--- a/src/be/nikiroo/utils/StringUtils.java
+++ b/src/be/nikiroo/utils/StringUtils.java
@@ -795,6 +795,58 @@ public class StringUtils {
                return new String(unbase64(data, offset, count, zip), "UTF-8");
        }
 
+       /**
+        * Return a display {@link String} for the given value, which can be
+        * suffixed with "k" or "M" depending upon the number, if it is big enough.
+        * <p>
+        * Example:
+        * <ul>
+        * <li><tt>8765</tt> becomes "8k"</li>
+        * <li><tt>998765</tt> becomes "998k"</li>
+        * <li><tt>12987364</tt> becomes "12M"</li>
+        * </ul>
+        * 
+        * @param value
+        *            the value to convert
+        * 
+        * @return the display value
+        */
+       public static String formatNumber(long value) {
+               return formatNumber(value, true);
+       }
+
+       /**
+        * Return a display {@link String} for the given value, which can be
+        * suffixed with "k" or "M" depending upon the number, if it is big enough.
+        * <p>
+        * Example:
+        * <ul>
+        * <li><tt>8765</tt> becomes "8k"</li>
+        * <li><tt>998765</tt> becomes "998k"</li>
+        * <li><tt>12987364</tt> becomes "12M"</li>
+        * </ul>
+        * 
+        * @param value
+        *            the value to convert
+        * @param strict
+        *            TRUE if you want any value equals or greater than 1000 to use
+        *            the "k" suffix; FALSE if you want to go a bit higher and only
+        *            use "k" for values equal or greater than 4000
+        * 
+        * @return the display value
+        */
+       public static String formatNumber(long value, boolean strict) {
+               if (value >= 1000000l) {
+                       return Long.toString(value / 1000000l) + "M";
+               }
+
+               if ((strict && value >= 1000l) || (!strict && value >= 4000l)) {
+                       return Long.toString(value / 1000l) + "k";
+               }
+
+               return Long.toString(value);
+       }
+
        /**
         * The "remove accents" pattern.
         *