[CJ-dev] commonjava-projects/commonjava-util/src/java/org/commonjava/util FileSizeConstants.java,1.1

Update of /cvsroot/commonjava/commonjava-projects/commonjava-util/src/java/org/commonjava/util
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv7824/src/java/org/commonjava/util

Modified Files:
	FileSizeConstants.java 
Log Message:
added formatting methods to FileSizeConstants class.

Index: FileSizeConstants.java
===================================================================
RCS file: /cvsroot/commonjava/commonjava-projects/commonjava-util/src/java/org/commonjava/util/FileSizeConstants.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- FileSizeConstants.java	18 Sep 2003 06:28:59 -0000	1.1
+++ FileSizeConstants.java	10 Mar 2004 21:47:40 -0000	1.2
@@ -21,4 +21,52 @@
   private FileSizeConstants(){
   }
 
+  /** Simply return a double, rounded to the thousandths, for the long value sent in, divided by 
+   * 2^20. This in effect calculates the number of megabytes, to the thousandths, of a memory size.
+   * 
+   * @param memory The number of memory bytes to transform.
+   * @return The amount of memory represented as megabytes rounded to the nearest thousandth.
+   */
+  public static double getMemorySizeInMb(long memory, int decimals){
+    double mb = (double)(memory)/FileSizeConstants.ONE_MEGABYTE;
+    int multiplier = (int)Math.pow(10, decimals);
+    mb = mb * multiplier;
+    mb = Math.round(mb);
+    mb = (double)mb / multiplier;
+    
+    return mb;
+  }
+
+  /** Simply return a double, rounded to the thousandths, for the long value sent in, divided by 
+   * 2^10. This in effect calculates the number of kilobytes, to the thousandths, of a memory size.
+   * 
+   * @param memory The number of memory bytes to transform.
+   * @return The amount of memory represented as gigabytes rounded to the nearest thousandth.
+   */
+  public static double getMemorySizeInKb(long memory, int decimals){
+    double mb = (double)(memory)/FileSizeConstants.ONE_KILOBYTE;
+    int multiplier = (int)Math.pow(10, decimals);
+    mb = mb * multiplier;
+    mb = Math.round(mb);
+    mb = (double)mb / multiplier;
+    
+    return mb;
+  }
+
+  /** Simply return a double, rounded to the thousandths, for the long value sent in, divided by 
+   * 2^30. This in effect calculates the number of gigabytes, to the thousandths, of a memory size.
+   * 
+   * @param memory The number of memory bytes to transform.
+   * @return The amount of memory represented as gigabytes rounded to the nearest thousandth.
+   */
+  public static double getMemorySizeInGb(long memory, int decimals){
+    double mb = (double)(memory)/FileSizeConstants.ONE_GIGABYTE;
+    int multiplier = (int)Math.pow(10, decimals);
+    mb = mb * multiplier;
+    mb = Math.round(mb);
+    mb = (double)mb / multiplier;
+    
+    return mb;
+  }
+
 }