Har, let there be some useful functions for dealing with arrays. Oh

velocity developers, what were ye thinking taking away the wonders of
arrays from us?


git-svn-id: https://samskivert.googlecode.com/svn/trunk@1231 6335cc39-0255-0410-8fd6-9bcaacd3b74c

projects/samskivert/src/java/com/samskivert/velocity/DataTool.java

@@ -0,0 +1,31 @@
+//
+// $Id: DataTool.java,v 1.1 2003/09/25 18:05:50 eric Exp $
+
+package com.samskivert.velocity;
+
+import java.lang.reflect.Array;
+
+/**
+ * Some helpful methods for dealing with data in velocity.
+ */
+public class DataTool
+{
+    /**
+     * Returns the object at location zero in the array, super useful for
+     * those length 1 arrays (like when you are storing primitives in a
+     * hash)
+     */
+    public Object unwrap (Object array)
+    {
+        return get(array, 0);
+    }
+
+    /**
+     * Returns the object in the array at index.  Wrapped as an object if
+     * it is a primitive.
+     */
+    public Object get (Object array, int index)
+    {
+        return Array.get(array, index);
+    }
+}