--- a/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncProtocol.java	Sun Jan 18 08:36:06 2015 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncProtocol.java	Mon Jan 19 22:39:02 2015 +0900
@@ -7,72 +7,71 @@
 import com.glavsoft.rfb.protocol.ProtocolContext.TreeCommand;
 
 public class TreeVncProtocol {
-	private BufferedReader is = null;
-	private DataOutputStream os = null;
-	private Socket echoSocket = null;
-	private int rootPort;
-	private String rootAddress;
+    private BufferedReader is = null;
+    private DataOutputStream os = null;
+    private Socket echoSocket = null;
+    private int rootPort;
+    private String rootAddress;
     private int singleWidth;
     private int singleHeight;
-	
-	public TreeVncProtocol(String name, int echoPort) {
-		this.rootPort = echoPort;
-		this.rootAddress = name;
-	}
+
+    public TreeVncProtocol(String name, int echoPort) {
+        this.rootPort = echoPort;
+        this.rootAddress = name;
+    }
 
     public void setSingleSize(int singleWidth, int singleHeight) {
         this.singleWidth = singleWidth;
         this.singleHeight = singleHeight;
     }
 
-	public void openport() throws IOException {
-			echoSocket = new Socket(rootAddress, rootPort);
-			// echoSocket.setReuseAddress(true);
-			os = new DataOutputStream(echoSocket.getOutputStream());
-			is = new BufferedReader(new InputStreamReader(
-					echoSocket.getInputStream()));
-	}
+    public void openport() throws IOException {
+        echoSocket = new Socket(rootAddress, rootPort);
+        // echoSocket.setReuseAddress(true);
+        os = new DataOutputStream(echoSocket.getOutputStream());
+        is = new BufferedReader(new InputStreamReader(
+                echoSocket.getInputStream()));
+    }
 
-	public void findRootReply(int port) throws IOException {
-		sendWithHostAndPort(TreeCommand.FIND_ROOT_REPLY, null, port, (short) 0);
-	}
+    public void findRootReply(int port) throws IOException {
+        sendWithHostAndPort(TreeCommand.FIND_ROOT_REPLY, null, port, (short) 0);
+    }
 
-	public void whereToConnect(String hostname, int port) throws IOException {
+    public void whereToConnect(String hostname, int port) throws IOException {
         sendWithHostAndPort(TreeCommand.WHERE_TO_CONNECT, hostname, port, (short) 0);
-	}
+    }
 
-	public void connectTo(String hostname, int port,int leaderFlag, short yourId) throws IOException{
-	    TreeCommand command = leaderFlag == 1 ? TreeCommand.CONNECT_TO_AS_LEADER : TreeCommand.CONNECT_TO;
+    public void connectTo(String hostname, int port,int leaderFlag, short yourId) throws IOException{
+        TreeCommand command = leaderFlag == 1 ? TreeCommand.CONNECT_TO_AS_LEADER : TreeCommand.CONNECT_TO;
         sendWithHostAndPort(command , hostname, port, yourId);
- 	}
+    }
 
-	public void lostParent(String hostname, int port) throws IOException {
+    public void lostParent(String hostname, int port) throws IOException {
         sendWithHostAndPort(TreeCommand.LOST_PARENT, hostname, port, (short) 0);
-	}
-	
-	public void sendWithHostAndPort(TreeCommand command, String hostname, int port, short value)
-			throws IOException {
-		openport();
-		if (hostname == null) {
-			// in case of root finder, we can't get localaddress from datagram packet.
-			// so use local part of TCP socket.
-			hostname = echoSocket.getLocalAddress().getHostAddress();
-		}
-		int cmdlen = 4+4+4+hostname.length();
-		if (cmdlen < 12) cmdlen=12;
-		ByteBuffer buf = ByteBuffer.allocate(cmdlen);
-		buf.order(ByteOrder.BIG_ENDIAN);
-		buf.put((byte) command.cmd);
-		
-		buf.put((byte) 0);
-		buf.putShort(value);
-		buf.putInt(4+hostname.length()); // length
-		buf.putInt(port);
-		buf.put(hostname.getBytes(), 0, hostname.length());
-		while (buf.hasRemaining() ) buf.put((byte)0) ;
+    }
+
+    public void sendWithHostAndPort(TreeCommand command, String hostname, int port, short value)
+            throws IOException {
+        openport();
+        if (hostname == null) {
+            // in case of root finder, we can't get localaddress from datagram packet.
+            // so use local part of TCP socket.
+            hostname = echoSocket.getLocalAddress().getHostAddress();
+        }
+        int cmdlen = 4+4+4+hostname.length();
+        if (cmdlen < 12) cmdlen=12;
+        ByteBuffer buf = ByteBuffer.allocate(cmdlen);
+        buf.order(ByteOrder.BIG_ENDIAN);
+        buf.put((byte) command.cmd);
+        buf.put((byte) 0);
+        buf.putShort(value);
+        buf.putInt(4+hostname.length()); // length
+        buf.putInt(port);
+        buf.put(hostname.getBytes(), 0, hostname.length());
+        while (buf.hasRemaining() ) buf.put((byte)0) ;
         buf.flip();
-		sendCommandToTheRoot(buf);
-	}
+        sendCommandToTheRoot(buf);
+    }
 
     public void sendCommandToTheRoot(ByteBuffer buf) throws IOException {
         char[] charBuf = new char[12];
@@ -81,10 +80,10 @@
         streamClose();
     }
 
-	void streamClose() throws IOException {
-		os.close();
-		is.close();
-		echoSocket.close();
-	}
+    void streamClose() throws IOException {
+        os.close();
+        is.close();
+        echoSocket.close();
+    }
 
 }
\ No newline at end of file