From 0a98e2530447286746d63dc2d3a480656cd88b32 Mon Sep 17 00:00:00 2001
From: Nathan Curtis <nathan@threerings.net>
Date: Mon, 4 Jan 2010 22:23:56 +0000
Subject: [PATCH] Add a utility class for creating easy mappings from Charlie. 
 Bumping this up from BiteMe because I'm also bumping BiteMe's Kontagent
 implementation into a more accessible place, and it relies on this class. 
 Also, it can be pretty handy.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@6009 542714f4-19e9-0310-aa3c-eee0fc999fb1
---
 src/java/com/threerings/util/Mapping.java | 61 +++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 src/java/com/threerings/util/Mapping.java

diff --git a/src/java/com/threerings/util/Mapping.java b/src/java/com/threerings/util/Mapping.java
new file mode 100644
index 000000000..cd580743f
--- /dev/null
+++ b/src/java/com/threerings/util/Mapping.java
@@ -0,0 +1,61 @@
+// $Id$
+
+package com.threerings.util;
+
+import java.util.HashMap;
+
+import com.google.common.collect.Maps;
+
+public class Mapping
+{
+    public static <K, V> HashMap<K, V> of (K k1, V val1)
+    {
+        return of(new Object[] { k1, val1 });
+    }
+
+    public static <K, V> HashMap<K, V> of (K k1, V v1, K k2, V v2)
+    {
+        return of(new Object[] { k1, v1, k2, v2 });
+    }
+
+    public static <K, V> HashMap<K, V> of (K k1, V v1, K k2, V v2, K k3, V v3)
+    {
+        return of(new Object[] { k1, v1, k2, v2, k3, v3 });
+    }
+
+    public static <K, V> HashMap<K, V> of (K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4)
+    {
+        return of(new Object[] { k1, v1, k2, v2, k3, v3, k4, v4 });
+    }
+
+    public static <K, V> HashMap<K, V> of (K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4, K k5,
+        V v5)
+    {
+        return of(new Object[] { k1, v1, k2, v2, k3, v3, k4, v4, k5, v5 });
+    }
+
+    public static <K, V> HashMap<K, V> of (K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4, K k5,
+        V v5, K k6, V v6)
+    {
+        return of(new Object[] { k1, v1, k2, v2, k3, v3, k4, v4, k5, v5, k6, v6 });
+    }
+
+    public static <K, V> HashMap<K, V> of (K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4, K k5,
+        V v5, K k6, V v6, K k7, V v7)
+    {
+        return of(new Object[] { k1, v1, k2, v2, k3, v3, k4, v4, k5, v5, k6, v6, k7, v7 });
+    }
+
+    protected static <K, V> HashMap<K, V> of (Object... pairs)
+    {
+        HashMap<K, V> map = Maps.newHashMap();
+        for (int ii = 0; ii < pairs.length; ii += 2) {
+            @SuppressWarnings("unchecked")
+            K k = (K)pairs[ii];
+            @SuppressWarnings("unchecked")
+            V v = (V)pairs[ii + 1];
+            map.put(k, v);
+        }
+        return map;
+    }
+}