1 files changed, 82 insertions, 0 deletions
diff --git a/EssentialsUpdate/src/f00f/net/irc/martyr/services/AutoResponder.java b/EssentialsUpdate/src/f00f/net/irc/martyr/services/AutoResponder.java
new file mode 100644
index 000000000..08f3a7f29
--- /dev/null
+++ b/EssentialsUpdate/src/f00f/net/irc/martyr/services/AutoResponder.java
@@ -0,0 +1,82 @@
+package f00f.net.irc.martyr.services;
+
+import java.util.Observable;
+import java.util.Observer;
+
+import f00f.net.irc.martyr.IRCConnection;
+import f00f.net.irc.martyr.commands.ChannelModeCommand;
+import f00f.net.irc.martyr.commands.JoinCommand;
+import f00f.net.irc.martyr.commands.PingCommand;
+import f00f.net.irc.martyr.commands.PongCommand;
+
+/**
+ * AutoResponder is where commands that should be auto-responded (such
+ * as PING-PONG) should go.
+ */
+public class AutoResponder implements Observer
+{
+
+    private IRCConnection connection;
+    private boolean enabled = false;
+
+    public AutoResponder( IRCConnection connection )
+    {
+        this.connection = connection;
+        enable();
+    }
+
+    public void enable()
+    {
+        if( enabled )
+            return;
+
+        connection.addCommandObserver( this );
+        enabled = true;
+    }
+
+    public void disable()
+    {
+        if( !enabled )
+            return;
+
+        connection.removeCommandObserver( this );
+        enabled = false;
+    }
+
+    /**
+     * Does the work of figuring out what to respond to.
+     * If a PING is received, send a PONG.  If we JOIN a channel, send a
+     * request for modes.
+     * */
+    public void update( Observable observer, Object updated )
+    {
+
+        if( updated instanceof PingCommand )
+        {
+            // We need to do some pongin'!
+            PingCommand ping = (PingCommand)updated;
+
+            String response = ping.getPingSource();
+
+            connection.sendCommand( new PongCommand( response ) );
+        }
+        else if( updated instanceof JoinCommand )
+        {
+            // Determine if we joined, and if we did, trigger a MODE discovery
+            // request.
+            JoinCommand join = (JoinCommand)updated;
+
+            if( join.weJoined( connection.getClientState() ) )
+            {
+                connection.sendCommand(
+                    new ChannelModeCommand( join.getChannel() ) );
+            }
+        }
+    }
+
+    // END AutoResponder
+}
+ 
+
+
+