From a06c6e26d52b8c0f1f3881d664bd85170959300b Mon Sep 17 00:00:00 2001
From: ray <ray@6335cc39-0255-0410-8fd6-9bcaacd3b74c>
Date: Sat, 14 Aug 2004 03:18:17 +0000
Subject: [PATCH] It's an ObserverList! It's a ResultListener! It multiplexes
 results to many ResultListeners and still has time to keep your code clean!

git-svn-id: https://samskivert.googlecode.com/svn/trunk@1487 6335cc39-0255-0410-8fd6-9bcaacd3b74c
---
 .../samskivert/util/ResultListenerList.java   | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 projects/samskivert/src/java/com/samskivert/util/ResultListenerList.java

diff --git a/projects/samskivert/src/java/com/samskivert/util/ResultListenerList.java b/projects/samskivert/src/java/com/samskivert/util/ResultListenerList.java
new file mode 100644
index 00000000..46741666
--- /dev/null
+++ b/projects/samskivert/src/java/com/samskivert/util/ResultListenerList.java
@@ -0,0 +1,55 @@
+//
+// $Id$
+
+package com.samskivert.util;
+
+/**
+ * Multiplexes ResultListener responses to multiple ResultListeners.
+ */
+public class ResultListenerList extends ObserverList
+    implements ResultListener
+{
+    /**
+     * Create a ResultListenerList with the FAST_UNSAFE_NOTIFY policy.
+     */
+    public ResultListenerList ()
+    {
+        super(FAST_UNSAFE_NOTIFY);
+    }
+
+    /**
+     * Create a ResultListenerList with your own notifyPolicy.
+     */
+    public ResultListenerList (int notifyPolicy)
+    {
+        super(notifyPolicy);
+    }
+
+    /**
+     * Multiplex a requestCompleted response to all the ResultListeners in
+     * this list.
+     */
+    public void requestCompleted (final Object result)
+    {
+        apply(new ObserverOp() {
+            public boolean apply (Object observer) {
+                ((ResultListener) observer).requestCompleted(result);
+                return true;
+            }
+        });
+    }
+
+    /**
+     * Multiplex a requestFailed response to all the ResultListeners in
+     * this list.
+     */
+    public void requestFailed (final Exception cause)
+    {
+        apply(new ObserverOp() {
+            public boolean apply (Object observer) {
+                ((ResultListener) observer).requestFailed(cause);
+                return true;
+            }
+        });
+    }
+}