Java tutorial
/* * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.protocol.pcep.spi; import io.netty.buffer.ByteBuf; public final class EROSubobjectUtil { private static final int HEADER_SIZE = 2; private static final int LOOSE_BIT = 7; private EROSubobjectUtil() { throw new UnsupportedOperationException(); } public static void formatSubobject(final int type, final Boolean loose, final ByteBuf body, final ByteBuf buffer) { if (loose == null) { buffer.writeByte(type); } else { buffer.writeByte(type | (loose ? 1 << LOOSE_BIT : 0)); } buffer.writeByte(body.writerIndex() + HEADER_SIZE); buffer.writeBytes(body); } }