X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/blobdiff_plain/448124cc7e404b56a6696d55889ffaa170782397..080a8ab7af2bc48e3c5fa1334ae91d21073e26c2:/src/com/owncloud/android/utils/DisplayUtils.java

diff --git a/src/com/owncloud/android/utils/DisplayUtils.java b/src/com/owncloud/android/utils/DisplayUtils.java
index 9fe9b48c..43e5708b 100644
--- a/src/com/owncloud/android/utils/DisplayUtils.java
+++ b/src/com/owncloud/android/utils/DisplayUtils.java
@@ -37,6 +37,7 @@ import com.owncloud.android.MainApp;
 import com.owncloud.android.R;
 import com.owncloud.android.datamodel.OCFile;
 
+import java.math.BigDecimal;
 import java.net.IDN;
 import java.text.DateFormat;
 import java.util.Calendar;
@@ -52,6 +53,7 @@ public class DisplayUtils {
     private static final String OWNCLOUD_APP_NAME = "ownCloud";
     
     private static final String[] sizeSuffixes = { "B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" };
+    private static final int[] sizeScales = { 0, 0, 0, 1, 1, 2, 2, 2, 2 };
 
     private static Map<String, String> mimeType2HumanReadable;
 
@@ -72,19 +74,24 @@ public class DisplayUtils {
 
     /**
      * Converts the file size in bytes to human readable output.
-     * 
+     * <ul>
+     *     <li>appends a size suffix, e.g. B, KB, MB etc.</li>
+     *     <li>rounds the size based on the suffix to 0,1 or 2 decimals</li>
+     * </ul>
+     *
      * @param bytes Input file size
      * @return Like something readable like "12 MB"
      */
     public static String bytesToHumanReadable(long bytes) {
         double result = bytes;
-        int attachedsuff = 0;
-        while (result > 1024 && attachedsuff < sizeSuffixes.length) {
+        int attachedSuff = 0;
+        while (result > 1024 && attachedSuff < sizeSuffixes.length) {
             result /= 1024.;
-            attachedsuff++;
+            attachedSuff++;
         }
-        result = ((int) (result * 100)) / 100.;
-        return result + " " + sizeSuffixes[attachedsuff];
+
+        return new BigDecimal(result).setScale(
+                sizeScales[attachedSuff], BigDecimal.ROUND_HALF_UP) + " " + sizeSuffixes[attachedSuff];
     }
 
     /**
@@ -204,7 +211,7 @@ public class DisplayUtils {
                 return parts[1];
             }
         }
-        //dateString contains unexpected format. use localized, absolute date.
+        //dateString contains unexpected format. fallback: use relative date time string from android api as is.
         return dateString.toString();
     }