AccessTokenKeeper.java

/*
 * Copyright (C) 2010-2013 The SINA WEIBO Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.partynetwork.iparty.app.common;

import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;

import com.renn.rennsdk.AccessToken;
import com.sina.weibo.sdk.auth.Oauth2AccessToken;
import com.tencent.weibo.sdk.android.component.sso.WeiboToken;

/**
 * 该类定义了微博授权时所需要的参数。
 * 
 * @author SINA
 * @since 2013-10-07
 */
public class AccessTokenKeeper {
	private static final String PREFERENCES_NAME = "com_weibo_sdk_android";

	private static final String SINA_KEY_UID = "sina_uid";
	private static final String SINA_KEY_ACCESS_TOKEN = "sina_access_token";
	private static final String SINA_KEY_EXPIRES_IN = "sina_expires_in";

	private static final String QQ_KEY_UID = "qq_uid";
	private static final String QQ_KEY_ACCESS_TOKEN = "qq_access_token";
	private static final String QQ_KEY_EXPIRES_IN = "qq_expires_in";

	private static final String RENREN_KEY_UID = "renren_uid";
	private static final String RENREN_KEY_ACCESS_TOKEN = "renren_access_token";
	private static final String RENREN_KEY_EXPIRES_IN = "renren_expires_in";

	/**
	 * 保存 sinaToken 对象到 SharedPreferences。
	 * 
	 * @param context
	 *            应用程序上下文环境
	 * @param token
	 *            Token 对象
	 */
	public static void writeSinaAccessToken(Context context,
			Oauth2AccessToken token) {
		if (null == context || null == token) {
			return;
		}

		SharedPreferences pref = context.getSharedPreferences(PREFERENCES_NAME,
				Context.MODE_APPEND);
		Editor editor = pref.edit();
		editor.putString(SINA_KEY_UID, token.getUid());
		editor.putString(SINA_KEY_ACCESS_TOKEN, token.getToken());
		editor.putLong(SINA_KEY_EXPIRES_IN, token.getExpiresTime());
		editor.commit();
	}

	/**
	 * 保存 QQToken 对象到 SharedPreferences。
	 * 
	 * @param context
	 *            应用程序上下文环境
	 * @param token
	 *            Token 对象
	 */
	public static void writeQQAccessToken(Context context, WeiboToken token) {
		if (null == context || null == token) {
			return;
		}

		SharedPreferences pref = context.getSharedPreferences(PREFERENCES_NAME,
				Context.MODE_APPEND);
		Editor editor = pref.edit();
		editor.putString(QQ_KEY_UID, token.openID);
		editor.putString(QQ_KEY_ACCESS_TOKEN, token.accessToken);
		editor.putLong(QQ_KEY_EXPIRES_IN, token.expiresIn);
		editor.commit();
	}

	/**
	 * 保存 QQToken 对象到 SharedPreferences。
	 * 
	 * @param context
	 *            应用程序上下文环境
	 * @param token
	 *            Token 对象
	 */
	public static void writeRenRenAccessToken(Context context, AccessToken token) {
		if (null == context || null == token) {
			return;
		}

		SharedPreferences pref = context.getSharedPreferences(PREFERENCES_NAME,
				Context.MODE_APPEND);
		Editor editor = pref.edit();
		editor.putString(RENREN_KEY_ACCESS_TOKEN, token.accessToken);
		editor.putLong(RENREN_KEY_EXPIRES_IN, token.expiresIn);
		editor.commit();
	}

	/**
	 * 从 SharedPreferences 读取 SinaToken 信息。
	 * 
	 * @param context
	 *            应用程序上下文环境
	 * 
	 * @return 返回 Token 对象
	 */
	public static Oauth2AccessToken readSinaAccessToken(Context context) {
		if (null == context) {
			return null;
		}

		Oauth2AccessToken token = new Oauth2AccessToken();
		SharedPreferences pref = context.getSharedPreferences(PREFERENCES_NAME,
				Context.MODE_APPEND);
		token.setUid(pref.getString(SINA_KEY_UID, ""));
		token.setToken(pref.getString(SINA_KEY_ACCESS_TOKEN, ""));
		token.setExpiresTime(pref.getLong(SINA_KEY_EXPIRES_IN, 0));
		return token;
	}

	/**
	 * 从 SharedPreferences 读取 QQToken 信息。
	 * 
	 * @param context
	 *            应用程序上下文环境
	 * 
	 * @return 返回 Token 对象
	 */
	public static WeiboToken readQQAccessToken(Context context) {
		if (null == context) {
			return null;
		}

		WeiboToken token = new WeiboToken();
		SharedPreferences pref = context.getSharedPreferences(PREFERENCES_NAME,
				Context.MODE_APPEND);
		token.openID = pref.getString(QQ_KEY_UID, "");
		token.accessToken = pref.getString(QQ_KEY_ACCESS_TOKEN, "");
		token.expiresIn = pref.getLong(QQ_KEY_EXPIRES_IN, 0);
		return token;
	}

	/**
	 * 从 SharedPreferences 读取 QQToken 信息。
	 * 
	 * @param context
	 *            应用程序上下文环境
	 * 
	 * @return 返回 Token 对象
	 */
	public static AccessToken readRenRenAccessToken(Context context) {
		if (null == context) {
			return null;
		}
		AccessToken token = new AccessToken();
		SharedPreferences pref = context.getSharedPreferences(PREFERENCES_NAME,
				Context.MODE_APPEND);
		token.accessToken = pref.getString(RENREN_KEY_ACCESS_TOKEN, "");
		token.expiresIn = pref.getLong(RENREN_KEY_EXPIRES_IN, 0);
		return token;
	}

	/**
	 * 清空 SharedPreferences 中 Token信息。
	 * 
	 * @param context
	 *            应用程序上下文环境
	 */
	public static void clear(Context context) {
		if (null == context) {
			return;
		}

		SharedPreferences pref = context.getSharedPreferences(PREFERENCES_NAME,
				Context.MODE_APPEND);
		Editor editor = pref.edit();
		editor.clear();
		editor.commit();
	}
}