--- a/src/main/java/alice/daemon/MulticastConnection.java	Tue Jul 15 06:15:53 2014 +0900
+++ b/src/main/java/alice/daemon/MulticastConnection.java	Tue Jul 15 16:00:22 2014 +0900
@@ -9,45 +9,45 @@
 import alice.datasegment.Command;
 
 public class MulticastConnection extends Connection {
-	private DatagramChannel dc;
-	private SocketAddress sAddr;
+    private DatagramChannel dc;
+    private SocketAddress sAddr;
 
-	public MulticastConnection(DatagramChannel d, SocketAddress s) {
-		dc = d;
-		sAddr = s;
-	}
+    public MulticastConnection(DatagramChannel d, SocketAddress s) {
+        dc = d;
+        sAddr = s;
+    }
 
-	// may need to add infomation who send on ds.
-	@Override
-	public synchronized void write(Command cmd){
-		CommandMessage cmdMsg = cmd.convert();
-		ByteBuffer buffer;
-		try {
-			buffer = ByteBuffer.wrap(SingletonMessage.getInstance().write(cmdMsg));
-			while (buffer.hasRemaining()){
-				dc.send(buffer, sAddr);
-			}
-		} catch (IOException e) {
-			e.printStackTrace();
-		}
+    // may need to add infomation who send on ds.
+    @Override
+    public synchronized void write(Command cmd){
+        CommandMessage cmdMsg = cmd.convert();
+        ByteBuffer buffer;
+        try {
+            buffer = ByteBuffer.wrap(SingletonMessage.getInstance().write(cmdMsg));
+            while (buffer.hasRemaining()){
+                dc.send(buffer, sAddr);
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
 
-	}
+    }
 
-	@Override
-	public void close(){
-		try {
-			dc.close();
-		} catch (IOException e) {
-			e.printStackTrace();
-		}
-	}
-	
-	public void receive(ByteBuffer receiveData){
-		try {
-			dc.receive(receiveData);
-		} catch (IOException e) {
-			e.printStackTrace();
-		}
-	}
+    @Override
+    public void close(){
+        try {
+            dc.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void receive(ByteBuffer receiveData){
+        try {
+            dc.receive(receiveData);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
 
 }