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
2010-01-04 22:23:56 +00:00
parent fdf51a634a
commit 0a98e25304
1 changed files with 61 additions and 0 deletions
@@ -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;
+    }
+}