Android Open Source - doubanbook4android Douban

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License

The source code is released under:

Eclipse Public License - v 1.0 THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECI...

Java Source Code

package com.study.doubanbook_for_android.auth;
/*  w w w .  j  a  va2s . c o m*/
import com.study.doubanbook_for_android.utils.UriUtils;

import android.Manifest;
import android.app.AlertDialog.Builder;
import android.content.Context;
import android.content.pm.PackageManager;
import android.util.Log;

/**
 * douban for basic oath
 */
public class Douban {

  private static Douban mDoubanInstance = null;
  public static String URL_OAUTH2_ACCESS_AUTHORIZE = "https://www.douban.com/service/auth2/auth";
  public static String URL_OAUTH2_ACCESS_TOKEN = "https://www.douban.com/service/auth2/token";
  public static String app_key = "09561172f001e8251c023458d005b86f";// ??????appkey
  public static String secret = "f31eaf3a7bf0a4cf";// ??????appkey
  public static String redirecturl = "http://developers.douban.com/";// ??????url
  public static String scope = "book_basic_r,book_basic_w,douban_basic_common";
  public static final String KEY_TOKEN = "access_token";
  public static final String KEY_EXPIRES = "expires_in";
  public static final String KEY_REFRESHTOKEN = "refresh_token";
  public static final String KEY_USERID = "douban_user_id";
  public static final String KEY_GRANT_TYPE = "grant_type";
  public static final String KEY_CLIENT_SECRET = "client_secret";

  public AccessToken accessToken = null;// AccessToken??

  private Douban() {
  }

  /**
   * 
   * @param appKey
   *            ??????appkey
   * @param redirectUrl
   *            ?????????
   * @return Douban???
   */
  public synchronized static Douban getInstance(String appKey,
      String clientSecret, String redirectUrl, String doubanScope) {
    if (mDoubanInstance == null) {
      mDoubanInstance = new Douban();
    }
    app_key = appKey;
    secret = clientSecret;
    redirecturl = redirectUrl;
    scope = doubanScope;
    return mDoubanInstance;
  }

  public synchronized static Douban getInstance() {
    if (mDoubanInstance == null) {
      mDoubanInstance = new Douban();
    }
    return mDoubanInstance;
  }

  /**
   * ?????????appkey???????url
   * 
   * @param appKey
   *            ??????appkey
   * @param redirectUrl
   *            ?????????
   */
  public void setupConsumerConfig(String appKey, String clientSecret,
      String redirectUrl, String doubanScope) {
    app_key = appKey;
    secret = clientSecret;
    redirecturl = redirectUrl;
    scope = doubanScope;
  }

  /**
   * 
   * ??Douban???
   * 
   * @param activity
   *            ????????Context??
   * @param listener
   *            DoubanOAuthListener Douban??????????
   */
  public void authorize(Context context, DoubanOAuthListener listener) {
    startAuthDialog(context, listener);
  }

  public void startAuthDialog(final Context context,
      final DoubanOAuthListener listener) {

    showDialog(context, new DoubanOAuthListener() {
      @Override
      public void onComplete(Token token) {
        // ensure any cookies set by the dialog are saved

        if (null == accessToken) {
          accessToken = new AccessToken();
        }
        accessToken.setToken(token.access_token);
        accessToken.setExpiresIn(String.valueOf(token.expires_in));
        accessToken.setRefreshToken(token.refresh_token);
        accessToken.setDoubanUserId(token.douban_user_id);
        if (accessToken.isSessionValid()) {
          Log.d("Douban-authorize", "Login Success! access_token="
              + accessToken.getToken() + " expires="
              + accessToken.getExpiresTime() + " refresh_token="
              + accessToken.getRefreshToken());
          KeepToken.keepAccessToken(context, accessToken);
          listener.onComplete(token);
        } else {
          Log.d("Douban-authorize", "Failed to receive access token");
          listener.onDoubanException(new DoubanException(
              "Failed to receive access token."));
        }
      }

      @Override
      public void onError(DoubanDialogError error) {
        Log.d("Douban-authorize", "Login failed: " + error);
        listener.onError(error);
      }

      @Override
      public void onDoubanException(DoubanException error) {
        Log.d("Douban-authorize", "Login failed: " + error);
        listener.onDoubanException(error);
      }

      @Override
      public void onCancel() {
        Log.d("Douban-authorize", "Login canceled");
        listener.onCancel();
      }
    });
  }

  public void showDialog(final Context context,
      final DoubanOAuthListener listener) {
    if (context.checkCallingOrSelfPermission(Manifest.permission.INTERNET) != PackageManager.PERMISSION_GRANTED) {
      showAlert(context, "Error",
          "Application requires permission to access the Internet");
      return;
    }
    accessToken = KeepToken.readAccessToken(context);
    DoubanParameters params = new DoubanParameters();
    params.add("client_id", app_key);
    params.add("redirect_uri", redirecturl);

    if (accessToken != null && accessToken.isSessionValid()) {
      params.add(KEY_REFRESHTOKEN, accessToken.getRefreshToken());
      params.add(KEY_GRANT_TYPE, "refresh_token");
      params.add(KEY_CLIENT_SECRET, secret);
      exchangeToken(context, params, listener);
    } else {
      params.add("response_type", "code");
      params.add("scope", scope);
      String authUrl = URL_OAUTH2_ACCESS_AUTHORIZE + "?"
          + UriUtils.encodeUrl(params);
      new DoubanDialog(context, authUrl, listener).show();
    }
  }

  public void exchangeToken(final Context context,
      final DoubanParameters params, final DoubanOAuthListener listener) {
    new Thread() {
      public void run() {
        Token token = DoubanRequest.requestAccessToken(params);
        if (token != null) {
          listener.onComplete(token);
        } else {
          listener.onDoubanException(new DoubanException(
              "request failure !"));
        }
      }
    }.start();
  }

  public void showAlert(Context context, String title, String text) {
    Builder alertBuilder = new Builder(context);
    alertBuilder.setTitle(title);
    alertBuilder.setMessage(text);
    alertBuilder.create().show();
  }

}

Java Source Code List

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