Java tutorial
/** * * twittercli - Command line power tool for Twitter * Copyright (c) 2014, Sandeep Gupta * * http://sangupta.com/projects/twittercli * * 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.sangupta.twittercli.command; import io.airlift.command.Command; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import com.google.gson.FieldNamingPolicy; import com.sangupta.jerry.http.WebInvoker; import com.sangupta.jerry.http.WebRequest; import com.sangupta.jerry.http.WebRequestMethod; import com.sangupta.jerry.http.WebResponse; import com.sangupta.jerry.print.ConsoleTable; import com.sangupta.jerry.print.ConsoleTable.ConsoleTableLayout; import com.sangupta.jerry.util.GsonUtils; import com.sangupta.satya.user.impl.TwitterUserProfile; import com.sangupta.twittercli.TwitterCommand; import com.sangupta.twittercli.domain.TwitterUserList; @Command(name = "following", description = "Show all users the current user is following") public class Following extends TwitterCommand { @Override public void doCommand() { List<TwitterUserProfile> userList = new ArrayList<TwitterUserProfile>(); long cursor = -1; do { WebRequest request = WebInvoker.getWebRequest( "https://api.twitter.com/1.1/friends/list.json?count=200&cursor=" + cursor, WebRequestMethod.GET); user.signRequest(request); WebResponse response = WebInvoker.executeSilently(request); TwitterUserList list = GsonUtils.getGson(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES) .fromJson(response.getContent(), TwitterUserList.class); if (list != null) { userList.addAll(Arrays.asList(list.users)); } if (list.nextCursor == 0) { break; } cursor = list.nextCursor; } while (true); ConsoleTable table = new ConsoleTable(ConsoleTableLayout.MULTI_LINE); table.addHeaderRow("S.No.", "Screen Name", "Full Name", "Bio"); int count = 1; for (TwitterUserProfile profile : userList) { table.addRow(count++, profile.getScreenName(), profile.getName(), profile.getDescription()); } table.setColumnSize(1, 15); table.setColumnSize(2, 25); table.setColumnSize(3, 40); table.write(System.out); } }