From ac12981e84bd691e4a5f689d239cf4b935e0f643 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Tue, 17 Jan 2017 16:51:07 +0300
Subject: juick-ws: add protocol listener

---
 .../main/java/com/juick/ws/WebsocketComponent.java | 29 +++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

(limited to 'juick-ws/src/main/java/com/juick/ws')

diff --git a/juick-ws/src/main/java/com/juick/ws/WebsocketComponent.java b/juick-ws/src/main/java/com/juick/ws/WebsocketComponent.java
index 2f998298..909933e4 100644
--- a/juick-ws/src/main/java/com/juick/ws/WebsocketComponent.java
+++ b/juick-ws/src/main/java/com/juick/ws/WebsocketComponent.java
@@ -2,6 +2,7 @@ package com.juick.ws;
 
 import com.juick.User;
 import com.juick.server.protocol.JuickProtocol;
+import com.juick.server.protocol.ProtocolListener;
 import com.juick.service.MessagesService;
 import com.juick.service.UserService;
 import org.apache.commons.lang3.CharEncoding;
@@ -19,6 +20,7 @@ import org.springframework.web.socket.TextMessage;
 import org.springframework.web.socket.WebSocketSession;
 import org.springframework.web.socket.handler.TextWebSocketHandler;
 
+import javax.annotation.PostConstruct;
 import javax.inject.Inject;
 import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
@@ -30,7 +32,7 @@ import java.util.List;
 /**
  * Created by vitalyster on 28.06.2016.
  */
-public class WebsocketComponent extends TextWebSocketHandler {
+public class WebsocketComponent extends TextWebSocketHandler implements ProtocolListener {
     private static final Logger logger = LoggerFactory.getLogger(WebsocketComponent.class);
 
     private final List<SocketSubscribed> clients = Collections.synchronizedList(new ArrayList<SocketSubscribed>());
@@ -42,6 +44,11 @@ public class WebsocketComponent extends TextWebSocketHandler {
     @Inject
     JuickProtocol protocol;
 
+    @PostConstruct
+    public void init() {
+        protocol.setListener(this);
+    }
+
     @Override
     public void afterConnectionEstablished(WebSocketSession session) throws Exception {
         URI hLocation;
@@ -155,6 +162,26 @@ public class WebsocketComponent extends TextWebSocketHandler {
         return clients;
     }
 
+    @Override
+    public void privateMessage(User from, User to, String body) {
+        notifyUser(from, to, "Private message from @" + from.getName() + ":\n" + body);
+    }
+
+    @Override
+    public void userSubscribed(User from, User to) {
+        notifyUser(from, to, String.format("@%s subscribed to your blog", from.getName()));
+    }
+
+    private void notifyUser(User from, User to, String body) {
+        getClients().stream().filter(s -> !s.legacy && s.visitor.equals(to)).forEach(s -> {
+            try {
+                s.session.sendMessage(new TextMessage(body));
+            } catch (IOException e) {
+                logger.error("protocol exception", e);
+            }
+        });
+    }
+
     class SocketSubscribed {
         WebSocketSession session;
         String clientName;
-- 
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