Replacement code in NodeService

gistfile1.txt

	public String post(Service serviceName,  Map<String, String> params) throws IOException {
		
		StringBuffer sb = new StringBuffer();
		for (String key:params.keySet()) {
			String value = params.get(key);
			sb.append(key+"="+value+"&");
		}
		
		String urlParameters = sb.substring(0,sb.length()-1);
		URL url;

	    HttpURLConnection connection = null;
	    StringBuffer response = new StringBuffer();
	    
		url = new URL(config.getProperty(serviceName.value));
		connection = (HttpURLConnection)url.openConnection();
		connection.setRequestMethod("POST");
		connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
				
		connection.setRequestProperty("Content-Length", "" + Integer.toString(urlParameters.getBytes().length));
		connection.setRequestProperty("Content-Language", "en-US");  
				
		connection.setUseCaches (false);
		connection.setDoInput(true);
		connection.setDoOutput(true);
		
		//Send request
		DataOutputStream wr = new DataOutputStream (connection.getOutputStream());
		wr.writeBytes(urlParameters);
		wr.flush();
		wr.close();
		
		//Get Response	
		InputStream is = connection.getInputStream();
		BufferedReader rd = new BufferedReader(new InputStreamReader(is));
		String line;
		
		while((line = rd.readLine()) != null) {
			response.append(line);
			response.append('\r');
		}
		rd.close();
		if(connection != null) {
			connection.disconnect(); 
		}
		return response.toString();
	}