Added an api method to send messages to a custom PubSub channel. This makes the register channel feature a lot more useful.

src/main/java/com/imaginarycode/minecraft/redisbungee/RedisBungee.java

@@ -12,6 +12,7 @@ import com.google.common.io.ByteStreams;
 import com.google.gson.Gson;
 import com.imaginarycode.minecraft.redisbungee.events.PubSubMessageEvent;
 import com.imaginarycode.minecraft.redisbungee.util.UUIDTranslator;
+
 import lombok.Getter;
 import lombok.NonNull;
 import net.md_5.bungee.api.config.ServerInfo;
@@ -309,6 +310,20 @@ public final class RedisBungee extends Plugin {
             pool.returnResource(jedis);
         }
     }
+    
+    final void sendChannelMessage(String channel, String message) {
+        Jedis jedis = pool.getResource();
+        try {
+            jedis.publish(channel, message);
+        } catch (JedisConnectionException e) {
+            // Redis server has disappeared!
+            getLogger().log(Level.SEVERE, "Unable to get connection from pool - did your Redis server go away?", e);
+            pool.returnBrokenResource(jedis);
+            throw new RuntimeException("Unable to publish channel message", e);
+        } finally {
+            pool.returnResource(jedis);
+        }
+    }
 
     @Override
     public void onEnable() {

src/main/java/com/imaginarycode/minecraft/redisbungee/RedisBungeeAPI.java

@@ -157,6 +157,17 @@ public class RedisBungeeAPI {
         plugin.sendProxyCommand(proxyId, command);
     }
 
+    /**
+     * Sends a message to a PubSub channel. The channel has to be subscribed to on this, or another redisbungee instance for {@link com.imaginarycode.minecraft.redisbungee.events.PubSubMessageEvent} to fire.
+     *
+     * @param channel The PubSub channel
+     * @param message the message body to send
+     * @since 0.3.3
+     */
+    public final void sendChannelMessage(@NonNull String channel, @NonNull String message) {
+	plugin.sendChannelMessage(channel, message);
+    }
+    
     /**
      * Get the current BungeeCord server ID for this server.
      *