Move the CRC computation to its own method so that we can use it elsewhere.

git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@1088 c613c5cb-e716-0410-b11b-feb51c14d237

src/main/java/com/threerings/stats/data/Stat.java

@@ -87,9 +87,7 @@ public abstract class Stat
     public static int initType (Type type, Stat prototype)
     {
         // compute a code for this stat using the CRC32 hash of its name
-        _crc.reset();
-        _crc.update(type.name().getBytes());
-        int code = (int)_crc.getValue();
+        int code = crc32(type.name());
 
         // make sure the code does not collide
         if (_codeToType.containsKey(code)) {
@@ -106,6 +104,16 @@ public abstract class Stat
         return code;
     }
 
+    /**
+     * Computes and returns the CRC32 hash of the specified string.
+     */
+    public static int crc32 (String string)
+    {
+        _crc.reset();
+        _crc.update(string.getBytes());
+        return (int)_crc.getValue();
+    }
+
     /**
      * Returns the type of this statistic.
      */