From b50cc053670a3f053f1c82c1c4ac23de81bedec6 Mon Sep 17 00:00:00 2001
From: Michael Stack <stack@apache.org>
Date: Mon, 27 Jan 2014 16:26:41 +0000
Subject: [PATCH] HBASE-10422 ZeroCopyLiteralByteString.zeroCopyGetBytes has an
 unusable prototype and conflicts with AsyncHBase

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1561725 13f79535-47bb-0310-9956-ffa450edef68
---
 .../com/google/protobuf/ZeroCopyLiteralByteString.java   | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/hbase-protocol/src/main/java/com/google/protobuf/ZeroCopyLiteralByteString.java b/hbase-protocol/src/main/java/com/google/protobuf/ZeroCopyLiteralByteString.java
index c57f1a7b007..8a70c9c0c65 100644
--- a/hbase-protocol/src/main/java/com/google/protobuf/ZeroCopyLiteralByteString.java
+++ b/hbase-protocol/src/main/java/com/google/protobuf/ZeroCopyLiteralByteString.java
@@ -57,7 +57,12 @@ public final class ZeroCopyLiteralByteString extends LiteralByteString {
    * @param buf A buffer from which to extract the array.  This buffer must be
    * actually an instance of a {@code LiteralByteString}.
    */
-  public static byte[] zeroCopyGetBytes(final LiteralByteString buf) {
-    return buf.bytes;
+  public static byte[] zeroCopyGetBytes(final ByteString buf) {
+    if (buf instanceof LiteralByteString) {
+      return ((LiteralByteString) buf).bytes;
+    }
+    throw new UnsupportedOperationException("Need a LiteralByteString, got a "
+                                            + buf.getClass().getName());
   }
+
 }