de.vanita5.twittnuker.util.shortener.TweetShortenerUtils.java Source code

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Here is the source code for de.vanita5.twittnuker.util.shortener.TweetShortenerUtils.java

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/*
 * Twittnuker - Twitter client for Android
 *
 * Copyright (C) 2013-2014 vanita5 <mail@vanita5.de>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package de.vanita5.twittnuker.util.shortener;

import android.app.Activity;
import android.content.Context;
import android.util.Log;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntity;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;

import de.vanita5.twittnuker.model.Account;
import de.vanita5.twittnuker.task.HototinAsyncTask;
import de.vanita5.twittnuker.Constants;
import de.vanita5.twittnuker.util.Utils;

import static de.vanita5.twittnuker.util.Utils.getAccountScreenName;
import static de.vanita5.twittnuker.util.Utils.getAccountProfileImage;

public class TweetShortenerUtils implements Constants {

    private static final String DEFAULT_AVATAR_URL = "https://twimg0-a.akamaihd.net/sticky/default_profile_images/default_profile_3_bigger.png";

    private static final String LOG_TAG = "TweetShortenerUtils.java";

    private static final String HOTOTIN_URL = "http://hotot.in/create.json";
    private static final String HOTOTIN_ENTITY_NAME = "name";
    private static final String HOTOTIN_ENTITY_AVATAR = "avatar";
    private static final String HOTOTIN_ENTITY_TEXT = "text";

    /**
     * Shorten long tweets with hotot.in
     * @param context
     * @param text
     * @param accounts
     * @return shortened tweet
     */
    public static String shortWithHototin(final Context context, final String text, final Account[] accounts) {

        String screen_name = null;
        String avatar_url = null;

        if (accounts != null && accounts.length > 0) {
            screen_name = getAccountScreenName(context, accounts[0].account_id);
            avatar_url = getAccountProfileImage(context, accounts[0].account_id);
            avatar_url = avatar_url != null && !avatar_url.isEmpty() ? avatar_url : DEFAULT_AVATAR_URL;
        }

        try {
            HttpClient httpClient = new DefaultHttpClient();
            HttpPost httpPost = new HttpPost(HOTOTIN_URL);
            MultipartEntity requestEntity = new MultipartEntity(HttpMultipartMode.BROWSER_COMPATIBLE);

            requestEntity.addPart(HOTOTIN_ENTITY_NAME, new StringBody(screen_name));
            requestEntity.addPart(HOTOTIN_ENTITY_AVATAR, new StringBody(avatar_url));
            requestEntity.addPart(HOTOTIN_ENTITY_TEXT, new StringBody(text, Charset.forName("UTF-8")));
            httpPost.setEntity(requestEntity);

            InputStream responseStream;
            BufferedReader br;

            HttpResponse response = httpClient.execute(httpPost);
            HttpEntity responseEntity = response.getEntity();
            responseStream = responseEntity.getContent();
            br = new BufferedReader(new InputStreamReader(responseStream));

            String responseLine = br.readLine();
            String tmpResponse = "";
            while (responseLine != null) {
                tmpResponse += responseLine + System.getProperty("line.separator");
                responseLine = br.readLine();
            }
            br.close();

            JSONObject jsonObject = new JSONObject(tmpResponse);

            String result = jsonObject.getString("text");

            return result;

        } catch (UnsupportedEncodingException e) {
            if (Utils.isDebugBuild())
                Log.e(LOG_TAG, e.getMessage());
            e.printStackTrace();
        } catch (ClientProtocolException e) {
            if (Utils.isDebugBuild())
                Log.e(LOG_TAG, e.getMessage());
            e.printStackTrace();
        } catch (IOException e) {
            if (Utils.isDebugBuild())
                Log.e(LOG_TAG, e.getMessage());
            e.printStackTrace();
        } catch (JSONException e) {
            if (Utils.isDebugBuild())
                Log.e(LOG_TAG, e.getMessage());
            e.printStackTrace();
        }
        return null;
    }

    public static void expandHototin(final Activity activity, final String url) {
        if (activity == null || url == null)
            return;
        new HototinAsyncTask(activity, url);
    }
}