Fix #1145

src/main/java/fr/xephi/authme/service/JoinMessageService.java

@@ -0,0 +1,46 @@
+package fr.xephi.authme.service;
+
+import fr.xephi.authme.util.StringUtils;
+
+import javax.inject.Inject;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * The JoinMessageService class.
+ */
+public class JoinMessageService {
+
+    private BukkitService bukkitService;
+
+    private Map<String, String> joinMessages;
+
+    @Inject
+    JoinMessageService(BukkitService bukkitService) {
+        this.bukkitService = bukkitService;
+        joinMessages = new ConcurrentHashMap<>();
+    }
+
+    /**
+     * Store a join message.
+     *
+     * @param playerName the player name
+     * @param string     the join message
+     */
+    public void putMessage(String playerName, String string) {
+        joinMessages.put(playerName, string);
+    }
+
+    /**
+     * Broadcast the join message of the specified player.
+     *
+     * @param playerName the player name
+     */
+    public void sendMessage(String playerName) {
+        String joinMessage = joinMessages.remove(playerName);
+        if (StringUtils.isEmpty(joinMessage)) {
+            return;
+        }
+        bukkitService.broadcastMessage(joinMessage);
+    }
+}