/*
* 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;
}
}