[OFBiz] SVN: r6847 - trunk/base/src/base/org/ofbiz/base/util

[jonesde@svn.ofbiz.org]

Author: jonesde
Date: 2006-02-26 00:28:44 -0600 (Sun, 26 Feb 2006)
New Revision: 6847

Modified:
   trunk/base/src/base/org/ofbiz/base/util/UtilNumber.java
Log:
Applied patch from Leon Torres with method to convert number to percent string with a given scale and rounding mode, based on BigDecimal; Jira OFBIZ-751

Modified: trunk/base/src/base/org/ofbiz/base/util/UtilNumber.java
===================================================================
--- trunk/base/src/base/org/ofbiz/base/util/UtilNumber.java	2006-02-25 20:54:13 UTC (rev 6846)
+++ trunk/base/src/base/org/ofbiz/base/util/UtilNumber.java	2006-02-26 06:28:44 UTC (rev 6847)
@@ -195,4 +195,27 @@
         }
         return result;
     }
+
+    /**
+     * Method to turn a number such as "0.9853" into a nicely formatted percent, "98.53%".
+     *
+     * @param number    The number object to format
+     * @param scale     How many places after the decimal to include
+     * @param roundingMode  The BigDecimal rounding mode to apply
+     * @return          The formatted string or "" if there were errors.
+     */
+    public static String toPercentString(Number number, int scale, int roundingMode) {
+        // convert to BigDecimal
+        if (!(number instanceof BigDecimal)) {
+            number = new BigDecimal(number.doubleValue());
+        }
+
+        // cast it so we can use BigDecimal methods
+        BigDecimal bd = (BigDecimal) number;
+
+        // multiply by 100 and set the scale
+        bd = bd.multiply(new BigDecimal(100.0)).setScale(scale, roundingMode);
+
+        return (bd.toString() + "%");
+    }
 }