org.opendaylight.protocol.pcep.impl.tlv.AbstractVendorInformationTlvParser.java Source code

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Here is the source code for org.opendaylight.protocol.pcep.impl.tlv.AbstractVendorInformationTlvParser.java

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/*
 * Copyright (c) 2014 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.pcep.spi.VendorInformationUtil.VENDOR_INFORMATION_TLV_TYPE;
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.EnterpriseSpecificInformationParser;
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.vendor.information.EnterpriseSpecificInformation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.vendor.information.tlvs.VendorInformationTlv;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.vendor.information.tlvs.VendorInformationTlvBuilder;

public abstract class AbstractVendorInformationTlvParser
        implements TlvSerializer, TlvParser, EnterpriseSpecificInformationParser {

    @Override
    public final void serializeTlv(final Tlv tlv, final ByteBuf buffer) {
        Preconditions.checkArgument(tlv instanceof VendorInformationTlv, "Vendor Specific Tlv is mandatory.");
        final VendorInformationTlv viTlv = (VendorInformationTlv) tlv;
        final ByteBuf body = Unpooled.buffer();
        writeUnsignedInt(getEnterpriseNumber().getValue(), body);
        serializeEnterpriseSpecificInformation(viTlv.getEnterpriseSpecificInformation(), body);
        TlvUtil.formatTlv(VENDOR_INFORMATION_TLV_TYPE, body, buffer);
    }

    @Override
    public final VendorInformationTlv parseTlv(final ByteBuf buffer) throws PCEPDeserializerException {
        if (buffer == null) {
            return null;
        }
        final VendorInformationTlvBuilder viTlvBuider = new VendorInformationTlvBuilder();
        viTlvBuider.setEnterpriseNumber(getEnterpriseNumber());
        if (buffer.isReadable()) {
            final EnterpriseSpecificInformation esInformation = parseEnterpriseSpecificInformation(buffer.slice());
            if (esInformation != null) {
                viTlvBuider.setEnterpriseSpecificInformation(esInformation);
            }
        }
        return viTlvBuider.build();
    }
}