Java - Cookies - Login, Get Person, Logout

public static void main(String[] args) throws Exception 
{
	//don't forget to URLEncode your arguments 
    String address = "http://infinite.ikanow.com/api/auth/login/sterling_archer@ikanow.com/WZRHGrsBESr8wYFZ9sx0tPURuZgG2lmzyvWpwXPKz8U%3D";        
    String loginresult = sendRequest(address);
	//Our data objects can be used by importing infinit.e.data_model.jar and gson.jar
    ResponsePojo response = ResponsePojo.fromApi(loginresult, ResponsePojo.class);
    if ( response.getResponse().isSuccess())
    {
        //send next request
        String personAddress = "http://infinite.ikanow.com/api/social/person/get";
        String personresult = sendRequest(personAddress);
        //We need to convert the result object into a response with a person object in it
        response = ResponsePojo.fromApi(personresult, ResponsePojo.class, PersonPojo.class, new PersonPojoApiMap());
        if ( response.getResponse().isSuccess() )
        {                
            PersonPojo personResult = (PersonPojo)response.getData();                            
            System.out.println(personResult.getEmail());
        }
    }
    else
    {
        System.out.println("error logging in: " + response.getResponse().getMessage());
    }    
	//logout when we are done, this will deactivate our cookie
    sendRequest("http://infinite.ikanow.com/api/auth/logout");
}

private static String cookie = null;
public static String sendRequest(String urlAddress ) throws Exception
{
    URL url = new URL(urlAddress);
    URLConnection urlConnection = url.openConnection();
    if ( cookie != null ) //add cookie to request if we have one
        urlConnection.setRequestProperty("Cookie", cookie);
    ((HttpURLConnection)urlConnection).setRequestMethod("GET");
            
    //read back result
    BufferedReader inStream = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
    StringBuilder strBuilder = new StringBuilder();
    String buffer;            
    while ( (buffer = inStream.readLine()) != null )
    {
        strBuilder.append(buffer);
    }        
    inStream.close();
    
    //save cookie if cookie is null
    if ( cookie == null )
    {
        String headername;
        for ( int i = 1; (headername = urlConnection.getHeaderFieldKey(i)) != null; i++ )
        {
            if ( headername.equals("Set-Cookie") )
            {
                cookie = urlConnection.getHeaderField(i);
                break;
            }
        }
    }        
    return strBuilder.toString();
}