From 35f9b6cc1dc499109f3aa2a8e1ab749567b2e095 Mon Sep 17 00:00:00 2001
From: mdb <mdb@6335cc39-0255-0410-8fd6-9bcaacd3b74c>
Date: Tue, 21 Sep 2004 02:34:11 +0000
Subject: [PATCH] A no-op ResultListener, useful on certain occasions.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@1504 6335cc39-0255-0410-8fd6-9bcaacd3b74c
---
 .../src/java/com/samskivert/util/ResultListener.java     | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/projects/samskivert/src/java/com/samskivert/util/ResultListener.java b/projects/samskivert/src/java/com/samskivert/util/ResultListener.java
index b93ad587..7baa36cb 100644
--- a/projects/samskivert/src/java/com/samskivert/util/ResultListener.java
+++ b/projects/samskivert/src/java/com/samskivert/util/ResultListener.java
@@ -47,4 +47,13 @@ public interface ResultListener
      * reason for failure.
      */
     public void requestFailed (Exception cause);
+
+    /** Useful when you want to allow optional result listeners but don't
+     * want to have to check before calling. */
+    public static final ResultListener NOOP = new ResultListener() {
+        public void requestCompleted (Object result) {
+        }
+        public void requestFailed (Exception cause) {
+        }
+    };
 }