com.dahuatech.hutool.http.cookie.GlobalCookieManager Maven / Gradle / Ivy

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Dahua ICC Open API SDK for Java

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package com.dahuatech.hutool.http.cookie;

import com.dahuatech.hutool.core.io.IORuntimeException;
import com.dahuatech.hutool.core.util.URLUtil;
import com.dahuatech.hutool.http.HttpConnection;

import java.io.IOException;
import java.net.CookieManager;
import java.net.CookiePolicy;
import java.net.HttpCookie;
import java.net.URI;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 全局Cookie管理器，只针对Hutool请求有效
 *
 * @author Looly
 * @since 4.5.15
 */
public class GlobalCookieManager {

  /** Cookie管理 */
  private static CookieManager cookieManager;

  static {
    cookieManager = new CookieManager(new ThreadLocalCookieStore(), CookiePolicy.ACCEPT_ALL);
  }

  /**
   * 获取全局{@link CookieManager}
   *
   * @return {@link CookieManager}
   */
  public static CookieManager getCookieManager() {
    return cookieManager;
  }

  /**
   * 自定义{@link CookieManager}
   *
   * @param customCookieManager 自定义的{@link CookieManager}
   */
  public static void setCookieManager(CookieManager customCookieManager) {
    cookieManager = customCookieManager;
  }

  /**
   * 获取指定域名下所有Cookie信息
   *
   * @param conn HTTP连接
   * @return Cookie信息列表
   * @since 4.6.9
   */
  public static List getCookies(HttpConnection conn) {
    return cookieManager.getCookieStore().get(getURI(conn));
  }

  /**
   * 将本地存储的Cookie信息附带到Http请求中，不覆盖用户定义好的Cookie
   *
   * @param conn {@link HttpConnection}
   */
  public static void add(HttpConnection conn) {
    if (null == cookieManager) {
      // 全局Cookie管理器关闭
      return;
    }

    Map> cookieHeader;
    try {
      cookieHeader = cookieManager.get(getURI(conn), new HashMap>(0));
    } catch (IOException e) {
      throw new IORuntimeException(e);
    }

    // 不覆盖模式回填Cookie头，这样用户定义的Cookie将优先
    conn.header(cookieHeader, false);
  }

  /**
   * 存储响应的Cookie信息到本地
   *
   * @param conn {@link HttpConnection}
   */
  public static void store(HttpConnection conn) {
    if (null == cookieManager) {
      // 全局Cookie管理器关闭
      return;
    }

    try {
      cookieManager.put(getURI(conn), conn.headers());
    } catch (IOException e) {
      throw new IORuntimeException(e);
    }
  }

  /**
   * 获取连接的URL中URI信息
   *
   * @param conn HttpConnection
   * @return URI
   */
  private static URI getURI(HttpConnection conn) {
    return URLUtil.toURI(conn.getUrl());
  }
}