2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.protocol.rsvp.parser.impl.subobject.xro;
11 import io.netty.buffer.ByteBuf;
13 public final class XROSubobjectUtil {
15 private static final int HEADER_SIZE = 2;
17 private static final int MANDATORY_BIT = 7;
19 private XROSubobjectUtil() {
20 throw new UnsupportedOperationException();
23 public static void formatSubobject(final int type, final Boolean mandatory, final ByteBuf body,
24 final ByteBuf buffer) {
25 if (mandatory == null) {
26 buffer.writeByte(type);
28 buffer.writeByte(type | (mandatory ? 1 << MANDATORY_BIT : 0));
30 buffer.writeByte(body.writerIndex() + HEADER_SIZE);
31 buffer.writeBytes(body);