2 * The MIT License (MIT)
4 * Copyright (C) 2013 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 package org.apidesign.html.demo.twitter;
26 import java.util.Arrays;
27 import java.util.List;
28 import net.java.html.json.ComputedProperty;
29 import net.java.html.json.Context;
30 import net.java.html.json.Function;
31 import net.java.html.json.Model;
32 import net.java.html.json.OnPropertyChange;
33 import net.java.html.json.OnReceive;
34 import net.java.html.json.Property;
36 /** Controller class for access to Twitter.
38 * @author Jaroslav Tulach
40 @Model(className="TwitterModel", properties={
41 @Property(name="savedLists", type=Tweeters.class, array = true),
42 @Property(name="activeTweetersName", type=String.class),
43 @Property(name="activeTweeters", type=String.class, array = true),
44 @Property(name="userNameToAdd", type=String.class),
45 @Property(name="currentTweets", type=Tweet.class, array = true),
46 @Property(name="loading", type=boolean.class)
48 public class TwitterClient {
49 @Model(className = "Tweeters", properties = {
50 @Property(name="name", type = String.class),
51 @Property(name="userNames", type = String.class, array = true)
55 @Model(className = "Tweet", properties = {
56 @Property(name = "from_user", type = String.class),
57 @Property(name = "from_user_id", type = int.class),
58 @Property(name = "profile_image_url", type = String.class),
59 @Property(name = "text", type = String.class),
60 @Property(name = "created_at", type = String.class),
62 static final class Twt {
63 @ComputedProperty static String html(String text) {
64 StringBuilder sb = new StringBuilder(320);
66 int http = text.indexOf("http", pos);
68 sb.append(text.substring(pos));
71 int spc = text.indexOf(' ', http);
75 sb.append(text.substring(pos, http));
76 String url = text.substring(http, spc);
77 sb.append("<a href='").append(url).append("'>").append(url).append("</a>");
82 @ComputedProperty static String userUrl(String from_user) {
83 return "http://twitter.com/" + from_user;
86 @Model(className = "TwitterQuery", properties = {
87 @Property(array = true, name = "results", type = Twt.class)
89 public static final class TwttrQr {
92 @OnReceive(url="{root}/search.json?{query}&callback={me}", jsonp="me")
93 static void queryTweets(TwitterModel page, TwitterQuery q) {
94 page.getCurrentTweets().clear();
95 page.getCurrentTweets().addAll(q.getResults());
96 page.setLoading(false);
99 @OnPropertyChange("activeTweetersName")
100 static void changeTweetersList(TwitterModel model) {
101 Tweeters people = findByName(model.getSavedLists(), model.getActiveTweetersName());
102 model.getActiveTweeters().clear();
103 model.getActiveTweeters().addAll(people.getUserNames());
106 @OnPropertyChange({ "activeTweeters", "activeTweetersCount" })
107 static void refreshTweets(TwitterModel model) {
108 StringBuilder sb = new StringBuilder();
109 sb.append("rpp=25&q=");
111 for (String p : model.getActiveTweeters()) {
117 model.setLoading(true);
118 model.queryTweets("http://search.twitter.com", sb.toString());
121 private static final Context DEFAULT = Context.findDefault(TwitterClient.class);
123 final TwitterModel model = new TwitterModel(DEFAULT);
124 final List<Tweeters> svdLst = model.getSavedLists();
125 svdLst.add(newTweeters("API Design", "JaroslavTulach"));
126 svdLst.add(newTweeters("Celebrities", "JohnCleese", "MCHammer", "StephenFry", "algore", "StevenSanderson"));
127 svdLst.add(newTweeters("Microsoft people", "BillGates", "shanselman", "ScottGu"));
128 svdLst.add(newTweeters("NetBeans", "GeertjanW","monacotoni", "NetBeans", "petrjiricka"));
129 svdLst.add(newTweeters("Tech pundits", "Scobleizer", "LeoLaporte", "techcrunch", "BoingBoing", "timoreilly", "codinghorror"));
131 model.setActiveTweetersName("NetBeans");
133 model.applyBindings();
137 static boolean hasUnsavedChanges(List<String> activeTweeters, List<Tweeters> savedLists, String activeTweetersName) {
138 Tweeters tw = findByName(savedLists, activeTweetersName);
139 if (activeTweeters == null) {
142 return !tw.getUserNames().equals(activeTweeters);
146 static int activeTweetersCount(List<String> activeTweeters) {
147 return activeTweeters.size();
151 static boolean userNameToAddIsValid(
152 String userNameToAdd, String activeTweetersName, List<Tweeters> savedLists, List<String> activeTweeters
154 return userNameToAdd != null &&
155 userNameToAdd.matches("[a-zA-Z0-9_]{1,15}") &&
156 !activeTweeters.contains(userNameToAdd);
160 static void deleteList(TwitterModel model) {
161 final List<Tweeters> sl = model.getSavedLists();
162 sl.remove(findByName(sl, model.getActiveTweetersName()));
164 final Tweeters t = new Tweeters(DEFAULT);
168 model.setActiveTweetersName(sl.get(0).getName());
172 static void saveChanges(TwitterModel model) {
173 Tweeters t = findByName(model.getSavedLists(), model.getActiveTweetersName());
174 int indx = model.getSavedLists().indexOf(t);
176 t.setName(model.getActiveTweetersName());
177 t.getUserNames().clear();
178 t.getUserNames().addAll(model.getActiveTweeters());
183 static void addUser(TwitterModel model) {
184 String n = model.getUserNameToAdd();
185 model.getActiveTweeters().add(n);
188 static void removeUser(String data, TwitterModel model) {
189 model.getActiveTweeters().remove(data);
192 private static Tweeters findByName(List<Tweeters> list, String name) {
193 for (Tweeters l : list) {
194 if (l.getName() != null && l.getName().equals(name)) {
198 return list.isEmpty() ? new Tweeters(DEFAULT) : list.get(0);
201 private static Tweeters newTweeters(String listName, String... userNames) {
202 Tweeters t = new Tweeters(DEFAULT);
204 t.getUserNames().addAll(Arrays.asList(userNames));