Add "synchronized" to UploadingImage

Add method to calc the amount of blocks to Util

1 files changed, 15 insertions, 5 deletions

diff --git a/src/main/java/org/openslx/imagemaster/util/Util.java b/src/main/java/org/openslx/imagemaster/util/Util.java
index 9d5c5fb..df7cea4 100644
--- a/src/main/java/org/openslx/imagemaster/util/Util.java
+++ b/src/main/java/org/openslx/imagemaster/util/Util.java
@@ -32,7 +32,7 @@ public class Util
 			System.exit( 2 );
 		}
 	}
-	
+
 	/**
 	 * Check if String is null or empty, abort program if so.
 	 * An optional message to be printed can be passed. A stack trace
@@ -42,7 +42,7 @@ public class Util
 	 * @param something The string you want to check
 	 * @param message The message to be printed if "something" is null or empty
 	 */
-	public static void notNullOrEmptyFatal( String something, String message)
+	public static void notNullOrEmptyFatal( String something, String message )
 	{
 		if ( something == null || something.isEmpty() ) {
 			if ( message != null )
@@ -92,15 +92,25 @@ public class Util
 
 	/**
 	 * Tries to parse an int. Returns 0 on error.
+	 * 
 	 * @param s The strig to parse
 	 * @return The parsed int or 0 on error
 	 */
-	public static int tryToParseInt(String s) {
+	public static int tryToParseInt( String s )
+	{
 		try {
 			return Integer.parseInt( s );
-		} catch (NumberFormatException e) {
+		} catch ( NumberFormatException e ) {
 			return 0;
 		}
 	}
-	
+
+	public static int getNumberOfBlocks( long fileSize, int blockSize )
+	{
+		int blocks = (int) ( fileSize / blockSize );
+		if ( fileSize % blockSize != 0 )
+			blocks++;
+		return blocks;
+	}
+
 }