--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.net.http/share/classes/jdk/internal/net/http/common/ByteBufferReference.java	Wed Feb 07 21:45:37 2018 +0000
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2015, 2018, 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 jdk.internal.net.http.common;
+
+import java.nio.ByteBuffer;
+import java.util.Objects;
+import java.util.function.Supplier;
+
+public class ByteBufferReference  implements Supplier<ByteBuffer> {
+
+    private ByteBuffer buffer;
+    private final ByteBufferPool pool;
+
+    public static ByteBufferReference of(ByteBuffer buffer) {
+        return of(buffer, null);
+    }
+
+    public static ByteBufferReference of(ByteBuffer buffer, ByteBufferPool pool) {
+        Objects.requireNonNull(buffer);
+        return new ByteBufferReference(buffer, pool);
+    }
+
+    public static ByteBuffer[] toBuffers(ByteBufferReference... refs) {
+        ByteBuffer[] bufs = new ByteBuffer[refs.length];
+        for (int i = 0; i < refs.length; i++) {
+            bufs[i] = refs[i].get();
+        }
+        return bufs;
+    }
+
+    public static ByteBufferReference[] toReferences(ByteBuffer... buffers) {
+        ByteBufferReference[] refs = new ByteBufferReference[buffers.length];
+        for (int i = 0; i < buffers.length; i++) {
+            refs[i] = of(buffers[i]);
+        }
+        return refs;
+    }
+
+
+    public static void clear(ByteBufferReference[] refs) {
+        for(ByteBufferReference ref : refs) {
+            ref.clear();
+        }
+    }
+
+    private ByteBufferReference(ByteBuffer buffer, ByteBufferPool pool) {
+        this.buffer = buffer;
+        this.pool = pool;
+    }
+
+    @Override
+    public ByteBuffer get() {
+        ByteBuffer buf = this.buffer;
+        assert buf!=null : "getting ByteBuffer after clearance";
+        return buf;
+    }
+
+    public void clear() {
+        ByteBuffer buf = this.buffer;
+        assert buf!=null : "double ByteBuffer clearance";
+        this.buffer = null;
+        if (pool != null) {
+            pool.release(buf);
+        }
+    }
+}