java.net.CookieManager#getCookieStore ( )源码实例Demo

public static void main(String[] args) throws IOException, InterruptedException {

        /*
        HttpClient client = HttpClient.newBuilder()
                .cookieHandler(new CookieManager(null, CookiePolicy.ACCEPT_NONE))
                .build();

        System.out.println(client.cookieHandler().orElseThrow());
         */
        
        CookieManager cm = new CookieManager();
        cm.setCookiePolicy(CookiePolicy.ACCEPT_ALL);
        
        HttpClient client = HttpClient.newBuilder()
                .cookieHandler(cm)
                .build();

        HttpRequest request = HttpRequest.newBuilder()
                .header("Authorization", "Bearer Q3ku4mp_hCQGvAFeYKa0ktFCDKS3VpSA1nwf")                
                .uri(URI.create("https://gorest.co.in/public-api/users/1"))
                .build();

        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());

        System.out.println("Status code: " + response.statusCode());
        System.out.println("\n Body: " + response.body());       
        System.out.println("\nset-cookie header: " + response.headers().firstValue("set-cookie"));
        
        CookieStore cookieStore = cm.getCookieStore();
        
        System.out.println("\nCookies: " + cookieStore.getCookies());
    }
 

/**
 * Clears the cookies in the given cookie handler. Cookies can only be cleared if the
 * cookieHandler is a CookieManager with a non-null CookieStore.
 *
 * @param cookieHandler the cookie handler where cookies should be cleared
 * @return true if cookies were cleared; false otherwise
 */
public static boolean clearCookies(CookieHandler cookieHandler) {
  if (cookieHandler instanceof CookieManager) {
    CookieManager cookieManager = (CookieManager) cookieHandler;
    CookieStore cookieStore = cookieManager.getCookieStore();
    if (cookieStore != null) {
      cookieStore.removeAll();
      return true;
    }
  }
  return false;
}
 

@Override public void setUp() throws Exception {
    super.setUp();
    server = new MockWebServer();
    defaultHandler = CookieHandler.getDefault();
    cookieManager = new CookieManager(createCookieStore(), null);
    cookieStore = cookieManager.getCookieStore();
}
 

/**
 * 设置头部参数
 *
 * @throws ProtocolException
 */
public static HttpURLConnection setConnectParam(HttpTaskOption delegate, HttpURLConnection conn) {
  if (delegate.getRequestEnum() == RequestEnum.POST) {
    conn.setDoInput(true);
    conn.setDoOutput(true);
    conn.setUseCaches(false);
  }
  Set<String> keys = null;
  if (delegate.getHeaders() != null && delegate.getHeaders().size() > 0) {
    keys = delegate.getHeaders().keySet();
    for (String key : keys) {
      conn.setRequestProperty(key, delegate.getHeaders().get(key));
    }
  }
  if (conn.getRequestProperty("Accept-Language") == null) {
    conn.setRequestProperty("Accept-Language", "zh-CN,zh;q=0.9,en;q=0.8,ja;q=0.7");
  }
  if (conn.getRequestProperty("Accept-Encoding") == null) {
    conn.setRequestProperty("Accept-Encoding", "identity");
  }
  if (conn.getRequestProperty("Accept-Charset") == null) {
    conn.setRequestProperty("Accept-Charset", "UTF-8");
  }
  if (conn.getRequestProperty("Connection") == null) {
    conn.setRequestProperty("Connection", "Keep-Alive");
  }
  if (conn.getRequestProperty("Charset") == null) {
    conn.setRequestProperty("Charset", "UTF-8");
  }
  if (conn.getRequestProperty("User-Agent") == null) {
    conn.setRequestProperty("User-Agent",
        "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36");
  }
  if (conn.getRequestProperty("Accept") == null) {
    StringBuilder accept = new StringBuilder();
    accept.append("image/gif, ")
        .append("image/jpeg, ")
        .append("image/pjpeg, ")
        .append("image/webp, ")
        .append("image/apng, ")
        .append("application/xml, ")
        .append("application/xaml+xml, ")
        .append("application/xhtml+xml, ")
        .append("application/x-shockwave-flash, ")
        .append("application/x-ms-xbap, ")
        .append("application/x-ms-application, ")
        .append("application/msword, ")
        .append("application/vnd.ms-excel, ")
        .append("application/vnd.ms-xpsdocument, ")
        .append("application/vnd.ms-powerpoint, ")
        .append("application/signed-exchange, ")
        .append("text/plain, ")
        .append("text/html, ")
        .append("*/*");
    conn.setRequestProperty("Accept", accept.toString());
  }
  //302获取重定向地址
  conn.setInstanceFollowRedirects(false);

  CookieManager manager = delegate.getCookieManager();
  if (manager != null) {
    CookieStore store = manager.getCookieStore();
    if (store != null && store.getCookies().size() > 0) {
      conn.setRequestProperty("Cookie",
          TextUtils.join(";", store.getCookies()));
    }
  }

  return conn;
}
 

/**
 * {@link java.net.CookieManager#getCookieStore()}
 * @since 1.6
 */
public void test_GetCookieStore() {
    CookieManager cookieManager = new CookieManager(createCookieStore(), null);
    CookieStore store = cookieManager.getCookieStore();
    assertNotNull(store);
}