Java tutorial
/* * Copyright 2014 "" daiv * * 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.daiv.android.twitter.utils.api_helper; import android.util.Log; import com.daiv.android.twitter.APIKeys; import com.daiv.android.twitter.settings.AppSettings; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.methods.HttpPut; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; import org.apache.http.protocol.HTTP; import org.json.JSONArray; import org.json.JSONObject; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; import twitter4j.GeoLocation; import twitter4j.Status; import twitter4j.StatusUpdate; import twitter4j.Twitter; /** * This is just a simple helper class to facilitate things with TwitLonger's 2.0 APIs * It is based off the assertion that you use Twitter4j, but could be easily adapted if you don't * * @author "" daiv (along with help from Twitter4j) */ public class TwitLongerHelper extends APIHelper { public static final String TWITLONGER_API_KEY = ""; public static final String POST_URL = "http://api.twitlonger.com/2/posts"; public static final String PUT_URL = "http://api.twitlonger.com/2/posts/"; // will add the id to the end of this later public String tweetText; public long replyToId; public long replyToStatusId = 0; public String replyToScreenname; public GeoLocation location; public Twitter twitter; /** * Used for a normal tweet, not a reply * @param tweetText the text of the tweet that you want to post */ public TwitLongerHelper(String tweetText, Twitter twitter) { this.tweetText = tweetText; this.replyToId = 0; this.replyToScreenname = null; this.twitter = twitter; } /** * Used when repling to a user and you have their id number * @param tweetText the text of the tweet that you want to post * @param replyToId the id of the user your tweet is replying to */ public TwitLongerHelper(String tweetText, long replyToId, Twitter twitter) { this.tweetText = tweetText; this.replyToId = replyToId; this.replyToScreenname = null; this.twitter = twitter; } /** * Used when repling to a user and you have their id number * @param tweetText the text of the tweet that you want to post * @param replyToScreenname the screenname of the user you are replying to */ public TwitLongerHelper(String tweetText, String replyToScreenname, Twitter twitter) { this.tweetText = tweetText; this.replyToScreenname = replyToScreenname; this.replyToId = 0; this.twitter = twitter; } /** * Sets the tweet id if it is replying to another users tweet * @param replyToStatusId */ public void setInReplyToStatusId(long replyToStatusId) { this.replyToStatusId = replyToStatusId; } public void setLocation(GeoLocation location) { this.location = location; } /** * posts the status onto Twitlonger, it then posts the shortened status (with link) to the user's twitter and updates the status on twitlonger * to include the posted status's id. * * @return id of the status that was posted to twitter */ public long createPost() { TwitLongerStatus status = postToTwitLonger(); long statusId; try { Status postedStatus; StatusUpdate update = new StatusUpdate(status.getText()); if (replyToStatusId != 0) { update.setInReplyToStatusId(replyToStatusId); } if (location != null) { update.setLocation(location); } postedStatus = twitter.updateStatus(update); statusId = postedStatus.getId(); updateTwitlonger(status, statusId); } catch (Exception e) { e.printStackTrace(); statusId = 0; } // if zero, then it failed return statusId; } /** * Posts the status to twitlonger * @return returns an object containing the shortened text and the id for the twitlonger url */ public TwitLongerStatus postToTwitLonger() { try { HttpClient client = new DefaultHttpClient(); HttpPost post = new HttpPost(POST_URL); post.addHeader("X-API-KEY", TWITLONGER_API_KEY); post.addHeader("X-Auth-Service-Provider", SERVICE_PROVIDER); post.addHeader("X-Verify-Credentials-Authorization", getAuthrityHeader(twitter)); List<NameValuePair> nvps = new ArrayList<NameValuePair>(); nvps.add(new BasicNameValuePair("content", tweetText)); if (replyToId != 0) { nvps.add(new BasicNameValuePair("reply_to_id", String.valueOf(replyToId))); } else if (replyToScreenname != null) { nvps.add(new BasicNameValuePair("reply_to_screen_name", replyToScreenname)); } post.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8)); HttpResponse response = client.execute(post); BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent())); String line; String content = ""; String id = ""; StringBuilder builder = new StringBuilder(); while ((line = rd.readLine()) != null) { builder.append(line); } try { // there is only going to be one thing returned ever JSONObject jsonObject = new JSONObject(builder.toString()); content = jsonObject.getString("tweet_content"); id = jsonObject.getString("id"); } catch (Exception e) { e.printStackTrace(); } Log.v("Test_twitlonger", "content: " + content); Log.v("Test_twitlonger", "id: " + id); return new TwitLongerStatus(content, id); } catch (Exception e) { e.printStackTrace(); } return null; } /** * Updates the status on twitlonger to include the tweet id from Twitter. * Helpful for threading. * @param status Object with the shortened text and the id * @param tweetId tweet id of the status posted to twitter * @return true if the update is sucessful */ public boolean updateTwitlonger(TwitLongerStatus status, long tweetId) { try { HttpClient client = new DefaultHttpClient(); HttpPut put = new HttpPut(PUT_URL + status.getId()); put.addHeader("X-API-KEY", TWITLONGER_API_KEY); put.addHeader("X-Auth-Service-Provider", SERVICE_PROVIDER); put.addHeader("X-Verify-Credentials-Authorization", getAuthrityHeader(twitter)); List<NameValuePair> nvps = new ArrayList<NameValuePair>(); nvps.add(new BasicNameValuePair("twitter_status_id", tweetId + "")); put.setEntity(new UrlEncodedFormEntity(nvps)); HttpResponse response = client.execute(put); BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent())); if (rd.readLine() != null) { Log.v("twitlonger", "updated the status successfully"); return true; } } catch (Exception e) { e.printStackTrace(); } return false; } class TwitLongerStatus { private String text; private String id; public TwitLongerStatus(String text, String id) { this.text = text; this.id = id; } public String getId() { return id; } public String getText() { return text; } } }