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.impl.tlv; import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedInt; import com.google.common.base.Preconditions; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException; import org.opendaylight.protocol.pcep.spi.TlvParser; import org.opendaylight.protocol.pcep.spi.TlvSerializer; import org.opendaylight.protocol.pcep.spi.TlvUtil; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Tlv; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.order.tlv.Order; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.order.tlv.OrderBuilder; /** * Parser for {@link Order} */ public class OrderTlvParser implements TlvParser, TlvSerializer { public static final int TYPE = 5; @Override public Order parseTlv(final ByteBuf buffer) throws PCEPDeserializerException { if (buffer == null) { return null; } return new OrderBuilder().setDelete(buffer.readUnsignedInt()).setSetup(buffer.readUnsignedInt()).build(); } @Override public void serializeTlv(final Tlv tlv, final ByteBuf buffer) { Preconditions.checkArgument(tlv instanceof Order, "OrderTlv is mandatory."); final Order otlv = (Order) tlv; final ByteBuf body = Unpooled.buffer(); writeUnsignedInt(otlv.getDelete(), body); writeUnsignedInt(otlv.getSetup(), body); TlvUtil.formatTlv(TYPE, body, buffer); } }