From 008492e140ea69c4a3cbdd2b9e9154d81310f6ba Mon Sep 17 00:00:00 2001
From: Samuel Carlsson <samuel.carlsson@gmail.com>
Date: Thu, 25 Jul 2013 21:21:33 +0200
Subject: [PATCH] Refactor: Moving out a method

---
 src/se/vidstige/jadb/JadbConnection.java | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/src/se/vidstige/jadb/JadbConnection.java b/src/se/vidstige/jadb/JadbConnection.java
index 8538daf..0b39b5c 100644
--- a/src/se/vidstige/jadb/JadbConnection.java
+++ b/src/se/vidstige/jadb/JadbConnection.java
@@ -3,13 +3,9 @@ package se.vidstige.jadb;
 import java.io.DataInput;
 import java.io.DataInputStream;
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.net.Socket;
 import java.net.UnknownHostException;
-import java.nio.CharBuffer;
 import java.nio.charset.Charset;
 
 public class JadbConnection {
@@ -20,15 +16,13 @@ public class JadbConnection {
 	public JadbConnection() throws UnknownHostException, IOException
 	{
 		_socket = new Socket("localhost", DEFAULTPORT);
-				
 	}
 
 	public void getHostVersion() throws IOException {
-		OutputStreamWriter writer = new OutputStreamWriter(_socket.getOutputStream());
+		send("host:version");
+		
 		DataInput reader = new DataInputStream(_socket.getInputStream());
-		writer.write("000Chost:version");
-		writer.flush();
-		byte[] response = new byte[4];
+		byte[] response = new byte[4];		
 		reader.readFully(response);
 		System.out.println(new String(response, Charset.forName("utf-8")));		
 	}
@@ -37,4 +31,15 @@ public class JadbConnection {
 	{
 		_socket.close();
 	}
+
+	private String getCommandLength(String command) {
+		return String.format("%04x", Integer.valueOf(command.length()));
+	}
+	
+	private void send(String command) throws IOException {
+		OutputStreamWriter writer = new OutputStreamWriter(_socket.getOutputStream());
+		writer.write(getCommandLength(command));
+		writer.write(command);
+		writer.flush();
+	}
 }