--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/java/lang/invoke/MethodHandleStatics.java	Wed Mar 23 23:02:31 2011 -0700
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package java.lang.invoke;
+
+/**
+ * This class consists exclusively of static names internal to the
+ * method handle implementation.
+ * Usage:  {@code import static java.lang.invoke.MethodHandleStatics.*}
+ * @author John Rose, JSR 292 EG
+ */
+/*non-public*/ class MethodHandleStatics {
+
+    private MethodHandleStatics() { }  // do not instantiate
+
+    /*non-public*/ static String getNameString(MethodHandle target, MethodType type) {
+        if (type == null)
+            type = target.type();
+        MemberName name = null;
+        if (target != null)
+            name = MethodHandleNatives.getMethodName(target);
+        if (name == null)
+            return "invoke" + type;
+        return name.getName() + type;
+    }
+
+    /*non-public*/ static String getNameString(MethodHandle target, MethodHandle typeHolder) {
+        return getNameString(target, typeHolder == null ? (MethodType) null : typeHolder.type());
+    }
+
+    /*non-public*/ static String getNameString(MethodHandle target) {
+        return getNameString(target, (MethodType) null);
+    }
+
+    /*non-public*/ static String addTypeString(Object obj, MethodHandle target) {
+        String str = String.valueOf(obj);
+        if (target == null)  return str;
+        int paren = str.indexOf('(');
+        if (paren >= 0) str = str.substring(0, paren);
+        return str + target.type();
+    }
+
+    static void checkSpreadArgument(Object av, int n) {
+        if (av == null ? n != 0 : ((Object[])av).length != n)
+            throw newIllegalArgumentException("Array is not of length "+n);
+    }
+
+    // handy shared exception makers (they simplify the common case code)
+    /*non-public*/ static RuntimeException newIllegalStateException(String message) {
+        return new IllegalStateException(message);
+    }
+    /*non-public*/ static RuntimeException newIllegalStateException(String message, Object obj) {
+        return new IllegalStateException(message(message, obj));
+    }
+    /*non-public*/ static RuntimeException newIllegalArgumentException(String message) {
+        return new IllegalArgumentException(message);
+    }
+    /*non-public*/ static RuntimeException newIllegalArgumentException(String message, Object obj) {
+        return new IllegalArgumentException(message(message, obj));
+    }
+    /*non-public*/ static Error uncaughtException(Exception ex) {
+        Error err = new InternalError("uncaught exception");
+        err.initCause(ex);
+        return err;
+    }
+    private static String message(String message, Object obj) {
+        if (obj != null)  message = message + ": " + obj;
+        return message;
+    }
+}