From 7202cbd84e5461d3dad34971f98bffccc5934897 Mon Sep 17 00:00:00 2001
From: ray <ray@6335cc39-0255-0410-8fd6-9bcaacd3b74c>
Date: Tue, 10 Jun 2008 20:28:57 +0000
Subject: [PATCH] There's an indexOf in ListUtil, but that cannot find a null
 in an array. Here's one suggested by Dave.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@2324 6335cc39-0255-0410-8fd6-9bcaacd3b74c
---
 src/java/com/samskivert/util/ArrayUtil.java | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/java/com/samskivert/util/ArrayUtil.java b/src/java/com/samskivert/util/ArrayUtil.java
index c4da7245..3109cfd1 100644
--- a/src/java/com/samskivert/util/ArrayUtil.java
+++ b/src/java/com/samskivert/util/ArrayUtil.java
@@ -31,6 +31,24 @@ import java.util.Random;
  */
 public class ArrayUtil
 {
+    /**
+     * Looks for an element that tests true for Object equality with the supplied value and
+     * returns its index in the array.
+     *
+     * @return the index of the first matching value if one was found, -1
+     * otherwise.
+     */
+    public static <T extends Object> int indexOf (T[] values, T value)
+    {
+        int count = (values == null) ? 0 : values.length;
+        for (int ii = 0; ii < count; ii++) {
+            if (ObjectUtil.equals(values[ii], value)) {
+                return ii;
+            }
+        }
+        return -1;
+    }
+
     /**
      * Looks for an element that is equal to the supplied value and
      * returns its index in the array.