android sendmassage

public class MessageSender { 
/** 
* Logger for this class 
*/ 
private static final Log logger = LogFactory.getLog(MessageSender.class); 
private HttpClient httpClient; 
private PostMethod postMethod; 
private MessageFactory messageFactory; 
private String url; 
private NameValuePair sessionId; 

public MessageSender(String ip){ 
  this.httpClient = new HttpClient(); 
  try { 
    this.messageFactory = MessageFactory.newInstance(); 
  } catch (SOAPException e) { 
    logger.error(e.getMessage()); 
  } 
  this.url = generateRequestUrl(ip); 
} 

private String generateRequestUrl(String ip) { 
  return "http://" + ip + ":8080/vantage/TR069"; 
} 

public SOAPMessage sendMessage(SOAPMessage input) throws IOException, SOAPException { 
  this.postMethod = new PostMethod(this.url); 
  byte[] dataAsBytes = null; 
  if (input == null) { 
    logger.debug("Send a empty post");