diff -r 000000000000 -r 5f04bdbc6ee1 ko-archetype/src/main/resources/archetype-resources/src/main/java/TwitterClient.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ko-archetype/src/main/resources/archetype-resources/src/main/java/TwitterClient.java	Mon May 13 14:25:37 2013 +0200
@@ -0,0 +1,177 @@
+package ${package};
+
+import java.util.Arrays;
+import java.util.List;
+import net.java.html.json.ComputedProperty;
+import net.java.html.json.Context;
+import net.java.html.json.Function;
+import net.java.html.json.Model;
+import net.java.html.json.OnPropertyChange;
+import net.java.html.json.OnReceive;
+import net.java.html.json.Property;
+
+@Model(className="TwitterModel", properties={
+    @Property(name="savedLists", type=Tweeters.class, array = true),
+    @Property(name="activeTweetersName", type=String.class),
+    @Property(name="activeTweeters", type=String.class, array = true),
+    @Property(name="userNameToAdd", type=String.class),
+    @Property(name="currentTweets", type=Tweet.class, array = true)
+})
+public class TwitterClient {
+    @Model(className = "Tweeters", properties = {
+        @Property(name="name", type = String.class),
+        @Property(name="userNames", type = String.class, array = true)
+    })
+    static class Twttrs {
+    }
+    @Model(className = "Tweet", properties = {
+        @Property(name = "from_user", type = String.class),
+        @Property(name = "from_user_id", type = int.class),
+        @Property(name = "profile_image_url", type = String.class),
+        @Property(name = "text", type = String.class),
+        @Property(name = "created_at", type = String.class),
+    })
+    static final class Twt {
+        @ComputedProperty static String html(String text) {
+            StringBuilder sb = new StringBuilder(320);
+            for (int pos = 0;;) {
+                int http = text.indexOf("http", pos);
+                if (http == -1) {
+                    sb.append(text.substring(pos));
+                    return sb.toString();
+                }
+                int spc = text.indexOf(' ', http);
+                if (spc == -1) {
+                    spc = text.length();
+                }
+                sb.append(text.substring(pos, http));
+                String url = text.substring(http, spc);
+                sb.append("<a href='").append(url).append("'>").append(url).append("</a>");
+                pos = spc;
+            }
+        }
+        
+        @ComputedProperty static String userUrl(String from_user) {
+            return "http://twitter.com/" + from_user;
+        }
+    }
+    @Model(className = "TwitterQuery", properties = {
+        @Property(array = true, name = "results", type = Twt.class)
+    })
+    public static final class TwttrQr {
+    }
+    
+    @OnReceive(url="{root}/search.json?{query}&callback={me}", jsonp="me")
+    static void queryTweets(TwitterModel page, TwitterQuery q) {
+        page.getCurrentTweets().clear();
+        page.getCurrentTweets().addAll(q.getResults());
+    }
+    
+    @OnPropertyChange("activeTweetersName")
+    static void changeTweetersList(TwitterModel model) {
+        Tweeters people = findByName(model.getSavedLists(), model.getActiveTweetersName());        
+        model.getActiveTweeters().clear();
+        model.getActiveTweeters().addAll(people.getUserNames());
+    }
+    
+    @OnPropertyChange({ "activeTweeters", "activeTweetersCount" })
+    static void refreshTweets(TwitterModel model) {
+        StringBuilder sb = new StringBuilder();
+        sb.append("rpp=25&q=");
+        String sep = "";
+        for (String p : model.getActiveTweeters()) {
+            sb.append(sep);
+            sb.append("from:");
+            sb.append(p);
+            sep = " OR ";
+        }
+        model.queryTweets("http://search.twitter.com", sb.toString());
+    }
+    
+    private static final Context DEFAULT = Context.findDefault(TwitterClient.class);
+    static {
+        final TwitterModel model = new TwitterModel(DEFAULT);
+        final List<Tweeters> svdLst = model.getSavedLists();
+        svdLst.add(newTweeters("API Design", "JaroslavTulach"));
+        svdLst.add(newTweeters("Celebrities", "JohnCleese", "MCHammer", "StephenFry", "algore", "StevenSanderson"));
+        svdLst.add(newTweeters("Microsoft people", "BillGates", "shanselman", "ScottGu"));
+        svdLst.add(newTweeters("NetBeans", "GeertjanW","monacotoni", "NetBeans", "petrjiricka"));
+        svdLst.add(newTweeters("Tech pundits", "Scobleizer", "LeoLaporte", "techcrunch", "BoingBoing", "timoreilly", "codinghorror"));
+
+        model.setActiveTweetersName("NetBeans");
+
+        model.applyBindings();
+    }
+    
+    @ComputedProperty
+    static boolean hasUnsavedChanges(List<String> activeTweeters, List<Tweeters> savedLists, String activeTweetersName) {
+        Tweeters tw = findByName(savedLists, activeTweetersName);
+        if (activeTweeters == null) {
+            return false;
+        }
+        return !tw.getUserNames().equals(activeTweeters);
+    }
+    
+    @ComputedProperty
+    static int activeTweetersCount(List<String> activeTweeters) {
+        return activeTweeters.size();
+    }
+    
+    @ComputedProperty
+    static boolean userNameToAddIsValid(
+        String userNameToAdd, String activeTweetersName, List<Tweeters> savedLists, List<String> activeTweeters
+    ) {
+        return userNameToAdd != null && 
+            userNameToAdd.matches("[a-zA-Z0-9_]{1,15}") &&
+            !activeTweeters.contains(userNameToAdd);
+    }
+    
+    @Function
+    static void deleteList(TwitterModel model) {
+        final List<Tweeters> sl = model.getSavedLists();
+        sl.remove(findByName(sl, model.getActiveTweetersName()));
+        if (sl.isEmpty()) {
+            final Tweeters t = new Tweeters(DEFAULT);
+            t.setName("New");
+            sl.add(t);
+        }
+        model.setActiveTweetersName(sl.get(0).getName());
+    }
+    
+    @Function
+    static void saveChanges(TwitterModel model) {
+        Tweeters t = findByName(model.getSavedLists(), model.getActiveTweetersName());
+        int indx = model.getSavedLists().indexOf(t);
+        if (indx != -1) {
+            t.setName(model.getActiveTweetersName());
+            t.getUserNames().clear();
+            t.getUserNames().addAll(model.getActiveTweeters());
+        }
+    }
+    
+    @Function
+    static void addUser(TwitterModel model) {
+        String n = model.getUserNameToAdd();
+        model.getActiveTweeters().add(n);
+    }
+    @Function
+    static void removeUser(String data, TwitterModel model) {
+        model.getActiveTweeters().remove(data);
+    }
+    
+    private static Tweeters findByName(List<Tweeters> list, String name) {
+        for (Tweeters l : list) {
+            if (l.getName() != null && l.getName().equals(name)) {
+                return l;
+            }
+        }
+        return list.isEmpty() ? new Tweeters(DEFAULT) : list.get(0);
+    }
+    
+    private static Tweeters newTweeters(String listName, String... userNames) {
+        Tweeters t = new Tweeters(DEFAULT);
+        t.setName(listName);
+        t.getUserNames().addAll(Arrays.asList(userNames));
+        return t;
+    }
+}