post方式获取跟发送cookie

post方式获取和发送cookie
post方式登录服务器，里面用的是httpURLConnection。现在有两个问题，
1.怎么获取从服务器传回的cookie？2.获取之后怎么附到post上？
------解决思路----------------------

 /** 

  * 初始化HttpClient对象 

  * @param params 

  * @return 

  */ 

 public static synchronized HttpClient initHttpClient(HttpParams params) { 

     if(client == null){ 

         try { 

             KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType()); 

             trustStore.load(null, null); 

               

             SSLSocketFactory sf = new SSLSocketFactoryImp(trustStore); 

             //允许所有主机的验证 

             sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER); 

               

             HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1); 

             HttpProtocolParams.setContentCharset(params, HTTP.UTF_8); 

             // 设置http和https支持 

             SchemeRegistry registry = new SchemeRegistry(); 

             registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80)); 

             registry.register(new Scheme("https", sf, 443)); 

               

             ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry); 

               

             return new DefaultHttpClient(ccm, params); 

         } catch (Exception e) { 

             e.printStackTrace(); 

             return new DefaultHttpClient(params); 

         } 

     } 

     return client; 

 }