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.Arguments; import io.airlift.command.Command; 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.util.AssertUtils; import com.sangupta.jerry.util.GsonUtils; import com.sangupta.satya.user.impl.TwitterUserProfile; import com.sangupta.twittercli.TwitterCommand; @Command(name = "whois", description = "Display given users profile info") public class WhoIs extends TwitterCommand { @Arguments(description = "List of users to fetch profile for") public List<String> users; @Override public void doCommand() { if (AssertUtils.isEmpty(users)) { System.out.println("Atleast one user must be specified... exiting!"); return; } if (users.size() > 1) { System.out.println("Currently only one user is supported"); return; } WebRequest request = WebInvoker.getWebRequest( "https://api.twitter.com/1.1/users/show.json?screen_name=" + users.get(0), WebRequestMethod.GET); user.signRequest(request); WebResponse response = WebInvoker.executeSilently(request); TwitterUserProfile profile = GsonUtils.getGson(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES) .fromJson(response.getContent(), TwitterUserProfile.class); System.out.println("ID: " + profile.getId()); System.out.println("Since: " + profile.getCreatedAt()); System.out.println("Screen Name: " + profile.getScreenName()); System.out.println("Name: " + profile.getName()); System.out.println("Followers: " + profile.getFollowersCount()); System.out.println("Following: " + profile.getFriendsCount()); System.out.println("Listed: " + profile.getListedCount()); System.out.println("Favorites: " + profile.getFavouritesCount()); System.out.println("Tweets: " + profile.getStatusesCount()); System.out.println("Email: " + profile.getEmail()); System.out.println("Bio: " + profile.getDescription()); System.out.println("Location: " + profile.getLocation()); System.out.println("URL: " + profile.getProfileLink()); } }