Explicit type argument's replaced with <>

Author: kunall17

app/src/main/java/com/zulip/android/ZulipApp.java

@@ -67,13 +67,13 @@ public class ZulipApp extends Application {
      * Mapping of email address to presence information for that user. This is
      * updated every 2 minutes by a background thread (see AsyncStatusUpdate)
      */
-    public final Map<String, Presence> presences = new ConcurrentHashMap<String, Presence>();
+    public final Map<String, Presence> presences = new ConcurrentHashMap<>();
 
     /**
      * Queue of message ids to be marked as read. This queue should be emptied
      * every couple of seconds
      */
-    public final Queue<Integer> unreadMessageQueue = new ConcurrentLinkedQueue<Integer>();
+    public final Queue<Integer> unreadMessageQueue = new ConcurrentLinkedQueue<>();
 
     public static ZulipApp get() {
         return instance;
@@ -104,7 +104,7 @@ public void onCreate() {
             afterLogin();
         }
 
-         mutedTopics = new HashSet<String>(settings.getStringSet(MUTED_TOPIC_KEY, new HashSet<String>()));
+         mutedTopics = new HashSet<>(settings.getStringSet(MUTED_TOPIC_KEY, new HashSet<String>()));
         // create unread message queue
         unreadMessageHandler = new Handler(new Handler.Callback() {
             @Override
@@ -205,7 +205,7 @@ public void addToMutedTopics(JSONArray jsonArray) {
             }
         }
         SharedPreferences.Editor editor = settings.edit();
-        editor.putStringSet(MUTED_TOPIC_KEY, new HashSet<String>(mutedTopics));
+        editor.putStringSet(MUTED_TOPIC_KEY, new HashSet<>(mutedTopics));
         editor.apply();
     }
 
@@ -254,7 +254,7 @@ public DatabaseHelper getDatabaseHelper() {
     @SuppressWarnings("unchecked")
     public <C, T> RuntimeExceptionDao<C, T> getDao(Class<C> cls) {
         try {
-            return new RuntimeExceptionDao<C, T>(
+            return new RuntimeExceptionDao<>(
                     (Dao<C, T>) databaseHelper.getDao(cls));
         } catch (SQLException e) {
             // Well that's sort of awkward.
@@ -338,7 +338,7 @@ public void markMessageAsRead(Message message) {
     public void muteTopic(Message message) {
         mutedTopics.add(message.concatStreamAndTopic());
         SharedPreferences.Editor editor = settings.edit();
-        editor.putStringSet(MUTED_TOPIC_KEY, new HashSet<String>(mutedTopics));
+        editor.putStringSet(MUTED_TOPIC_KEY, new HashSet<>(mutedTopics));
         editor.apply();
     }
 

app/src/main/java/com/zulip/android/activities/MessageListFragment.java

@@ -109,7 +109,7 @@ public void onCreate(Bundle savedInstanceState) {
             filter = getArguments().getParcelable(PARAM_FILTER);
         }
         mutedMessages = new ArrayList<>();
-        messageIndex = new SparseArray<Message>();
+        messageIndex = new SparseArray<>();
         messageList = new ArrayList<>();
     }
 

app/src/main/java/com/zulip/android/filters/NarrowFilterPM.java

@@ -42,7 +42,7 @@ public NarrowFilterPM(List<Person> people) {
 
     private NarrowFilterPM(String recipientString) {
         this.recipientString = recipientString;
-        this.people = new ArrayList<Person>();
+        this.people = new ArrayList<>();
         for (String id : this.recipientString.split(",")) {
             this.people
                     .add(Person.getById(ZulipApp.get(), Integer.valueOf(id)));
@@ -72,7 +72,7 @@ public boolean matches(Message msg) {
 
     @Override
     public String getTitle() {
-        ArrayList<String> names = new ArrayList<String>();
+        ArrayList<String> names = new ArrayList<>();
         for (Person person : people) {
             if (!person.equals(ZulipApp.get().getYou())) {
                 names.add(person.getName());
@@ -98,7 +98,7 @@ public String getComposePMRecipient() {
 
     @Override
     public String getJsonFilter() throws JSONException {
-        ArrayList<String> emails = new ArrayList<String>();
+        ArrayList<String> emails = new ArrayList<>();
         for (Person person : this.people) {
             if (!person.equals(ZulipApp.get().getYou())) {
                 emails.add(person.getEmail());

app/src/main/java/com/zulip/android/models/Message.java

@@ -240,7 +240,7 @@ public String getDisplayRecipient(ZulipApp app) {
             return this.getStream().getName();
         } else {
             Person[] people = this.getRecipients(app);
-            ArrayList<String> names = new ArrayList<String>();
+            ArrayList<String> names = new ArrayList<>();
 
             for (Person person : people) {
                 if (person.id != app.getYou().id) {
@@ -268,7 +268,7 @@ public String getReplyTo(ZulipApp app) {
     }
 
     public static String emailsMinusYou(List<Person> people, Person you) {
-        ArrayList<String> names = new ArrayList<String>();
+        ArrayList<String> names = new ArrayList<>();
 
         for (Person person : people) {
             if (person.id != you.id) {
@@ -286,7 +286,7 @@ public static String emailsMinusYou(List<Person> people, Person you) {
      */
     public Person[] getPersonalReplyTo(ZulipApp app) {
         Person[] people = this.getRecipients(app);
-        ArrayList<Person> names = new ArrayList<Person>();
+        ArrayList<Person> names = new ArrayList<>();
 
         for (Person person : people) {
             if (person.id != app.getYou().id) {

app/src/main/java/com/zulip/android/models/Person.java

@@ -207,7 +207,7 @@ public static Person getById(ZulipApp app, int id) {
     }
 
     public static void sortByPresence(ZulipApp app, List<Person> people) {
-        final Map<String, Presence> presenceCopy = new HashMap<String, Presence>(
+        final Map<String, Presence> presenceCopy = new HashMap<>(
                 app.presences);
 
         Collections.sort(people, new Comparator<Person>() {

app/src/main/java/com/zulip/android/networking/AsyncGetEvents.java

@@ -257,9 +257,9 @@ private void processEvents(JSONArray events) {
             StopWatch watch = new StopWatch();
             watch.start();
 
-            ArrayList<Message> messages = new ArrayList<Message>();
-            HashMap<String, Person> personCache = new HashMap<String, Person>();
-            HashMap<String, Stream> streamCache = new HashMap<String, Stream>();
+            ArrayList<Message> messages = new ArrayList<>();
+            HashMap<String, Person> personCache = new HashMap<>();
+            HashMap<String, Stream> streamCache = new HashMap<>();
 
             for (int i = 0; i < events.length(); i++) {
                 JSONObject event = events.getJSONObject(i);

app/src/main/java/com/zulip/android/networking/AsyncGetOldMessages.java

@@ -64,7 +64,7 @@ public final void execute(int anchor, LoadPosition pos, int before,
         this.after = after;
         this.filter = filter;
         position = pos;
-        this.receivedMessages = new ArrayList<Message>();
+        this.receivedMessages = new ArrayList<>();
         Log.i("AGOM", "executing " + anchor + " " + before + " " + after);
         execute("GET", "v1/messages");
     }
@@ -236,11 +236,11 @@ protected boolean fetchMessages(int anchor, int numBefore, int numAfter,
                 watch.reset();
                 watch.start();
                 JSONArray objects = response.getJSONArray("messages");
-                ArrayList<Message> fetchedMessages = new ArrayList<Message>(
+                ArrayList<Message> fetchedMessages = new ArrayList<>(
                         objects.length());
 
-                HashMap<String, Person> personCache = new HashMap<String, Person>();
-                HashMap<String, Stream> streamCache = new HashMap<String, Stream>();
+                HashMap<String, Person> personCache = new HashMap<>();
+                HashMap<String, Stream> streamCache = new HashMap<>();
 
                 for (int i = 0; i < objects.length(); i++) {
                     Message message = new Message(this.app,

app/src/main/java/com/zulip/android/networking/AsyncUnreadMessagesUpdate.java

@@ -14,7 +14,7 @@ public AsyncUnreadMessagesUpdate(ZulipApp app) {
     }
 
     public final void execute() {
-        ArrayList<Integer> messageIds = new ArrayList<Integer>();
+        ArrayList<Integer> messageIds = new ArrayList<>();
         while (true) {
             Integer item = app.unreadMessageQueue.poll();
             if (item == null) {

app/src/main/java/com/zulip/android/networking/GravatarAsyncFetchTask.java

@@ -36,7 +36,7 @@ public class GravatarAsyncFetchTask extends AsyncTask<URL, Void, Bitmap> {
     private GravatarAsyncFetchTask(ZulipActivity context, ImageView imageView,
                                    Person person) {
         // Use a WeakReference to ensure the ImageView can be garbage collected
-        imageViewReference = new WeakReference<ImageView>(imageView);
+        imageViewReference = new WeakReference<>(imageView);
         this.person = person;
         this.context = context;
     }
@@ -106,7 +106,7 @@ static class AsyncDrawable extends BitmapDrawable {
         public AsyncDrawable(Resources res, Bitmap bitmap,
                              GravatarAsyncFetchTask bitmapWorkerTask) {
             super(res, bitmap);
-            taskReference = new WeakReference<GravatarAsyncFetchTask>(
+            taskReference = new WeakReference<>(
                     bitmapWorkerTask);
         }
 

app/src/main/java/com/zulip/android/util/CustomHtmlToSpannedConverter.java

@@ -602,7 +602,7 @@ public Header(int level) {
     }
 
     private static HashMap<String, Integer> buildColorMap() {
-        HashMap<String, Integer> map = new HashMap<String, Integer>();
+        HashMap<String, Integer> map = new HashMap<>();
         map.put("aqua", 0x00FFFF);
         map.put("black", 0x000000);
         map.put("blue", 0x0000FF);