添加多语言处理

broker/config/i18n/messages.properties

@@ -0,0 +1,3 @@
+#native2ascii -encoding UTF-8 messages.properties temp_messages.properties
+Above_Greeting_Message=\u4ee5\u4e0a\u662f\u6253\u62db\u547c\u4fe1\u606f
+Friend_Can_Start_Chat=\u4f60\u4eec\u5df2\u7ecf\u6210\u4e3a\u597d\u53cb\u4e86\uff0c\u73b0\u5728\u53ef\u4ee5\u5f00\u59cb\u804a\u5929\u4e86

broker/config/i18n/messages_en_US.properties

@@ -0,0 +1,2 @@
+greeting=This's the greeting
+name=You're already friend, start chat now.

broker/config/i18n/messages_zh_CN.properties

@@ -0,0 +1,2 @@
+Above_Greeting_Message=\u4ee5\u4e0a\u662f\u6253\u62db\u547c\u4fe1\u606f
+Friend_Can_Start_Chat=\u4f60\u4eec\u5df2\u7ecf\u6210\u4e3a\u597d\u53cb\u4e86\uff0c\u73b0\u5728\u53ef\u4ee5\u5f00\u59cb\u804a\u5929\u4e86

broker/src/main/java/io/moquette/imhandler/HandleFriendRequestHandler.java

@@ -14,6 +14,7 @@ import io.moquette.persistence.MemorySessionStore;
 import io.moquette.spi.impl.Qos1PublishHandler;
 import io.netty.buffer.ByteBuf;
 import cn.wildfirechat.common.ErrorCode;
+import win.liyufan.im.I18n;
 import win.liyufan.im.IMTopic;
 import win.liyufan.im.MessageShardingUtil;
 
@@ -35,7 +36,10 @@ public class HandleFriendRequestHandler extends IMHandler<WFCMessage.HandleFrien
                 builder.setServerTimestamp(timestamp);
                 saveAndPublish(request.getTargetUid(), null, builder.build(), false);
 
-                WFCMessage.MessageContent.Builder contentBuilder = WFCMessage.MessageContent.newBuilder().setType(90).setContent("以上是打招呼信息");
+                MemorySessionStore.Session session = m_sessionsStore.getSession(clientID);
+
+                WFCMessage.MessageContent.Builder contentBuilder = WFCMessage.MessageContent.newBuilder().setType(90).setContent(I18n.getString(session.getLanguage(), "Above_Greeting_Message"));
+                
                 builder = WFCMessage.Message.newBuilder();
                 builder.setFromUser(request.getTargetUid());
                 builder.setConversation(WFCMessage.Conversation.newBuilder().setTarget(fromUser).setLine(0).setType(ProtoConstants.ConversationType.ConversationType_Private).build());
@@ -47,12 +51,7 @@ public class HandleFriendRequestHandler extends IMHandler<WFCMessage.HandleFrien
                 builder.setMessageId(messageId);
                 saveAndPublish(request.getTargetUid(), null, builder.build(), false);
 
-                MemorySessionStore.Session session = m_sessionsStore.getSession(clientID);
-                if (session != null && session.getLanguage() != null && session.getLanguage().toLowerCase().contains("en")) {
-                    contentBuilder.setContent("This's the greeting");
-                } else {
-                    contentBuilder.setContent("你们已经成为好友了，现在可以开始聊天了");
-                }
+                contentBuilder.setContent(I18n.getString(session.getLanguage(), "Friend_Can_Start_Chat"));
                 builder.setContent(contentBuilder);
                 messageId = MessageShardingUtil.generateId();
                 builder.setMessageId(messageId);

broker/src/main/java/win/liyufan/im/I18n.java

@@ -0,0 +1,63 @@
+package win.liyufan.im;
+
+import io.netty.util.internal.StringUtil;
+
+import java.io.File;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
+
+public class I18n {
+    private static ClassLoader Loader = null;
+    static {
+        String configPath = System.getProperty("wildfirechat.path", null);
+        String resBundlePaht = "config/i18n";
+
+        File file = new File(configPath, resBundlePaht);
+        URL[] urls = new URL[0];
+        try {
+            urls = new URL[]{file.toURI().toURL()};
+            Loader = new URLClassLoader(urls);
+        } catch (MalformedURLException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private static Map<String, ResourceBundle> bundleMap = new ConcurrentHashMap<>();
+
+    public static String getString(String language, String key) {
+        ResourceBundle bundle = bundleMap.get(language);
+
+        if (StringUtil.isNullOrEmpty(language)) language = "zh_CN";
+
+        if (bundle == null) {
+            bundle = ResourceBundle.getBundle("messages", new Locale(language), Loader);
+            bundleMap.put(language, bundle);
+        }
+
+        return bundle.getString(key);
+    }
+
+    public static void test() throws MalformedURLException {
+
+        // 设置定制的语言国家代码
+        Locale locale1 = new Locale("zh_CN");
+        Locale locale2 = new Locale("en_US");
+        ResourceBundle rb = ResourceBundle.getBundle("messages", locale1, Loader);
+
+
+
+        // 获得相应的key值
+        String greeting = rb.getString("greeting");
+        String userInfo = rb.getString("test");
+
+        System.out.println(greeting);
+        System.out.println(userInfo);
+    }
+
+    public static void main(String[] args) throws Exception {
+        test();
+    }
+}