[Java-game-lib-cvs] SF.net SVN: java-game-lib: [3069] trunk/LWJGL/src/java/org/lwjgl/util/ applet/AppletLoader.java

[<ka...@us...>]

Revision: 3069
          http://java-game-lib.svn.sourceforge.net/java-game-lib/?rev=3069&view=rev
Author:   kappa1
Date:     2008-05-21 17:04:11 -0700 (Wed, 21 May 2008)

Log Message:
-----------
added support for displaying the current download speed

Modified Paths:
--------------
    trunk/LWJGL/src/java/org/lwjgl/util/applet/AppletLoader.java

Modified: trunk/LWJGL/src/java/org/lwjgl/util/applet/AppletLoader.java
===================================================================
--- trunk/LWJGL/src/java/org/lwjgl/util/applet/AppletLoader.java	2008-05-11 14:41:46 UTC (rev 3068)
+++ trunk/LWJGL/src/java/org/lwjgl/util/applet/AppletLoader.java	2008-05-22 00:04:11 UTC (rev 3069)
@@ -744,12 +744,34 @@
 			
 
 			int bufferSize;
+			long downloadStartTime = System.currentTimeMillis();
+			int downloadedAmount = 0;
+			String downloadSpeedMessage = "";
+			
 			while ((bufferSize = inputstream.read(buffer, 0, buffer.length)) != -1) {
 				debug_sleep(10);
 				fos.write(buffer, 0, bufferSize);
 				currentSizeDownload += bufferSize;
 				percentage = initialPercentage + ((currentSizeDownload * 45) / totalSizeDownload);
 				subtaskMessage = "Retrieving: " + currentFile + " " + ((currentSizeDownload * 100) / totalSizeDownload) + "%";
+				
+				downloadedAmount += bufferSize;
+				long timeLapse = System.currentTimeMillis() - downloadStartTime;
+				// update only if a second or more has passed
+				if (timeLapse >= 1000) {
+					// get kb/s, nice that bytes/millis is same as kilobytes/seconds
+					float downloadSpeed = (float) bufferSize / timeLapse;
+					// round to two decimal places
+					downloadSpeed = ((int)(downloadSpeed*100))/100f;
+					// set current speed message
+					downloadSpeedMessage = " @ " + downloadSpeed + " KB/sec";
+					// reset downloaded amount
+					downloadedAmount = 0;
+					// reset start time
+					downloadStartTime = System.currentTimeMillis();
+				}
+				
+				subtaskMessage += downloadSpeedMessage;
 			}
 			
 			inputstream.close();


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