2 * Copyright (c) 2013 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
8 package org.opendaylight.protocol.pcep.spi;
10 import io.netty.buffer.ByteBuf;
12 public final class EROSubobjectUtil {
14 private static final int HEADER_SIZE = 2;
16 private static final int LOOSE_BIT = 7;
18 private EROSubobjectUtil() {
19 throw new UnsupportedOperationException();
22 public static void formatSubobject(final int type, final Boolean loose, final ByteBuf body, final ByteBuf buffer) {
24 buffer.writeByte(type);
26 buffer.writeByte(type | (loose ? 1 << LOOSE_BIT : 0));
28 buffer.writeByte(body.writerIndex() + HEADER_SIZE);
29 buffer.writeBytes(body);