com.yattatech.dbtc.activity.async.TwitterAuthAsyncTask.java Source code

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Here is the source code for com.yattatech.dbtc.activity.async.TwitterAuthAsyncTask.java

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/*
 * Copyright (c) 2014, Yatta Tech and/or its affiliates. All rights reserved.
 * YATTATECH PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package com.yattatech.dbtc.activity.async;

import twitter4j.auth.RequestToken;
import android.content.Intent;
import android.os.AsyncTask;
import com.yattatech.dbtc.Constants;
import com.yattatech.dbtc.R;
import com.yattatech.dbtc.activity.GenericFragmentActivity;
import com.yattatech.dbtc.activity.TwitterAuthenticatorScreen;
import com.yattatech.dbtc.activity.TwitterWriteScreen;
import com.yattatech.dbtc.log.Debug;
import com.yattatech.dbtc.util.TwitterUtil;

/**
 * AsyncTask responsible for loging into Twitter
 * 
 * @author Adriano Braga Alencar (adrianobragaalencar@gmail.com)
 *
 */
public final class TwitterAuthAsyncTask extends AsyncTask<Void, Void, Integer> {

    private static final String TAG = "TwitterAuthAsyncTask";
    private static final Integer NO_CONNECTION = Integer.valueOf(0);
    private static final Integer FAILED = Integer.valueOf(1);
    private static final Integer SUCCESS = Integer.valueOf(2);
    private final GenericFragmentActivity mActivity;

    public TwitterAuthAsyncTask(GenericFragmentActivity activity) {
        mActivity = activity;
    }

    /*
     * (non-Javadoc)
     * 
     * @see android.os.AsyncTask#doInBackground(Params[])
     */
    @Override
    protected Integer doInBackground(Void... params) {
        Integer result = SUCCESS;
        try {
            if (!mActivity.isConnected()) {
                result = NO_CONNECTION;
            } else if (GenericFragmentActivity.FACADE.isTwitterLogged()) {
                mActivity.startNewActivity(TwitterWriteScreen.class);
            } else {
                TwitterUtil.invalidRequestToken();
                final RequestToken requestToken = TwitterUtil.getRequestToken();
                final String authUrl = requestToken.getAuthorizationURL();
                final Intent intent = new Intent(mActivity, TwitterAuthenticatorScreen.class);
                intent.putExtra(Constants.TWITTER_URL, authUrl);
                intent.putExtra(Constants.TWITTER_REQUEST_TOKEN, requestToken);
                mActivity.startActivityForResult(intent, Constants.TWITTER_SUCCCESS);
            }
        } catch (Exception e) {
            Debug.e(TAG, "Failed:", e);
            result = FAILED;
        }
        return result;
    }

    /*
     * (non-Javadoc)
     * @see android.os.AsyncTask#onPostExecute(java.lang.Object)
     */
    @Override
    protected void onPostExecute(Integer result) {
        if (result == NO_CONNECTION) {
            mActivity.showMessage(R.string.lab_no_connection);
        } else if (result == FAILED) {
            mActivity.showMessage(R.string.lab_twitter_unknow);
        } else {
            Debug.d(TAG, "TwitterAuthAsyncTask success");
        }
    }
}