--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.httpclient/share/classes/java/net/http/WSUtils.java	Mon May 09 23:33:09 2016 +0100
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2016, 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  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  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  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.net.http;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.Buffer;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+
+final class WSUtils {
+
+    private WSUtils() { }
+
+    static final System.Logger logger = System.getLogger("java.net.http.WebSocket");
+    static final ByteBuffer EMPTY_BYTE_BUFFER = ByteBuffer.allocate(0);
+
+    //
+    // Helps to trim long names (packages, nested/inner types) in logs/toString
+    //
+    static String toStringSimple(Object o) {
+        return o.getClass().getSimpleName() + "@" +
+                Integer.toHexString(System.identityHashCode(o));
+    }
+
+    //
+    // 1. It adds a number of remaining bytes;
+    // 2. Standard Buffer-type toString for CharBuffer (since it adheres to the
+    // contract of java.lang.CharSequence.toString() which is both not too
+    // useful and not too private)
+    //
+    static String toString(Buffer b) {
+        return toStringSimple(b)
+                + "[pos=" + b.position()
+                + " lim=" + b.limit()
+                + " cap=" + b.capacity()
+                + " rem=" + b.remaining() + "]";
+    }
+
+    static String toString(CharSequence s) {
+        return s == null
+                ? "null"
+                : toStringSimple(s) + "[len=" + s.length() + "]";
+    }
+
+    static String dump(Object... objects) {
+        return Arrays.toString(objects);
+    }
+
+    static String webSocketSpecViolation(String section, String detail) {
+        return "RFC 6455 " + section + " " + detail;
+    }
+}