From 0a1e364e03f0f88d4c73f9c7100d2d855fd195e9 Mon Sep 17 00:00:00 2001
From: Michael Bayne <mdb@threerings.net>
Date: Wed, 22 Aug 2001 00:08:12 +0000
Subject: [PATCH] Created adapters for the ClientObserver and LocationObserver
 interfaces to make handling just one or two of the callbacks for those
 interfaces simpler.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@305 542714f4-19e9-0310-aa3c-eee0fc999fb1
---
 .../crowd/client/LocationAdapter.java         | 35 ++++++++++++++++
 .../presents/client/ClientAdapter.java        | 42 +++++++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 src/java/com/threerings/crowd/client/LocationAdapter.java
 create mode 100644 src/java/com/threerings/presents/client/ClientAdapter.java

diff --git a/src/java/com/threerings/crowd/client/LocationAdapter.java b/src/java/com/threerings/crowd/client/LocationAdapter.java
new file mode 100644
index 000000000..a03d2d83d
--- /dev/null
+++ b/src/java/com/threerings/crowd/client/LocationAdapter.java
@@ -0,0 +1,35 @@
+//
+// $Id: LocationAdapter.java,v 1.1 2001/08/22 00:08:12 mdb Exp $
+
+package com.threerings.cocktail.party.client;
+
+import com.threerings.cocktail.party.data.PlaceObject;
+
+/**
+ * The location adapter makes life easier for a class that really only
+ * cares about one or two of the location observer callbacks and doesn't
+ * want to provide empty implementations of the others. One can either
+ * extend location adapter, or create an anonymous instance that overrides
+ * the desired callback(s). Note that the location adapter defaults to
+ * ratifying any location change.
+ *
+ * @see LocationObserver
+ */
+public class LocationAdapter implements LocationObserver
+{
+    // documentation inherited
+    public boolean locationMayChange (int placeId)
+    {
+        return true;
+    }
+
+    // documentation inherited
+    public void locationDidChange (PlaceObject place)
+    {
+    }
+
+    // documentation inherited
+    public void locationChangeFailed (int placeId, String reason)
+    {
+    }
+}
diff --git a/src/java/com/threerings/presents/client/ClientAdapter.java b/src/java/com/threerings/presents/client/ClientAdapter.java
new file mode 100644
index 000000000..bb1aeab1f
--- /dev/null
+++ b/src/java/com/threerings/presents/client/ClientAdapter.java
@@ -0,0 +1,42 @@
+//
+// $Id: ClientAdapter.java,v 1.1 2001/08/22 00:08:12 mdb Exp $
+
+package com.threerings.cocktail.cher.client;
+
+/**
+ * The client adapter makes life easier for client observer classes that
+ * only care about one or two of the client observer callbacks. They can
+ * either extend client adapter or create an anonymous class that extends
+ * it and overrides just the callbacks they care about.
+ *
+ * <p> Note that the client adapter defaults to always ratifying a call to
+ * {@link * #clientWillLogoff} by returning true.
+ */
+public class ClientAdapter implements ClientObserver
+{
+    // documentation inherited
+    public void clientDidLogon (Client client)
+    {
+    }
+
+    // documentation inherited
+    public void clientFailedToLogon (Client client, Exception cause)
+    {
+    }
+
+    // documentation inherited
+    public void clientConnectionFailed (Client client, Exception cause)
+    {
+    }
+
+    // documentation inherited
+    public boolean clientWillLogoff (Client client)
+    {
+        return true;
+    }
+
+    // documentation inherited
+    public void clientDidLogoff (Client client)
+    {
+    }
+}