package me.zhyd.oauth.authorization;
import me.zhyd.oauth.exception.AuthException;
import me.zhyd.oauth.model.AuthSource;
import me.zhyd.oauth.request.ResponseStatus;
import java.util.HashMap;
import java.util.Map;
/**
* 授权工厂类,负责创建指定平台的授权类获取授权地址
*
* 使用策略模式 + 工厂模式 避免大量的if else(swatch)操作
*
* @author yadong.zhang (yadong.zhang0415(a)gmail.com)
* @version 1.0
* @since 1.8
*/
public class AuthorizationFactory {
private static Map authorizationMap = new HashMap<>();
private static boolean loader = false;
private AuthorizationFactory() {
}
/**
* 根据第三方平台,获取具体的授权工具
*
* @param source 平台
* @return 具体的Authorization
*/
public static Authorization getAuthorize(AuthSource source) {
if (null == source) {
throw new AuthException(ResponseStatus.NO_AUTH_SOURCE);
}
registerAllAuthorize();
Authorization authorization = authorizationMap.get(source.toString());
if (null == authorization) {
throw new AuthException(ResponseStatus.UNIDENTIFIED_PLATFORM);
}
return authorization;
}
/**
* 将所有Authorize的实现类注册到authorizeMap中,
* 每次增加新的平台都需要在这儿添加注册代码
*/
private static void registerAllAuthorize() {
if (loader) {
return;
}
AuthorizationFactory.register(AuthSource.ALIPAY, new AlipayAuthorization());
AuthorizationFactory.register(AuthSource.BAIDU, new BaiduAuthorization());
AuthorizationFactory.register(AuthSource.CODING, new CodingAuthorization());
AuthorizationFactory.register(AuthSource.CSDN, new CsdnAuthorization());
AuthorizationFactory.register(AuthSource.DINGTALK, new DingTalkAuthorization());
AuthorizationFactory.register(AuthSource.GITEE, new GiteeAuthorization());
AuthorizationFactory.register(AuthSource.GITHUB, new GithubAuthorization());
AuthorizationFactory.register(AuthSource.GOOGLE, new GoogleAuthorization());
AuthorizationFactory.register(AuthSource.OSCHINA, new OschinaAuthorization());
AuthorizationFactory.register(AuthSource.QQ, new QqAuthorization());
AuthorizationFactory.register(AuthSource.TAOBAO, new TaobaoAuthorization());
AuthorizationFactory.register(AuthSource.TENCEN_CLOUD, new TencentCloudAuthorization());
AuthorizationFactory.register(AuthSource.WECHAT, new WeChatAuthorization());
AuthorizationFactory.register(AuthSource.WEIBO, new WeiboAuthorization());
loader = true;
}
private static void register(AuthSource authSource, Authorization authorization) {
authorizationMap.put(authSource.toString(), authorization);
}
}