/*
 * Copyright (c) 2016 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.openflowplugin.openflow.md.core.sal.convertor.match.cases;

import java.util.Optional;
import javax.annotation.Nonnull;
import org.opendaylight.openflowplugin.api.OFConstants;
import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.ConvertorCase;
import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.match.data.MatchResponseConvertorData;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.ProtocolMatchFieldsBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.MplsLabelCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.mpls.label._case.MplsLabel;

public class OfToSalMplsLabelCase extends ConvertorCase<MplsLabelCase, MatchBuilder, MatchResponseConvertorData> {
    public OfToSalMplsLabelCase() {
        super(MplsLabelCase.class, true, OFConstants.OFP_VERSION_1_0, OFConstants.OFP_VERSION_1_3);
    }

    @Override
    public Optional<MatchBuilder> process(@Nonnull MplsLabelCase source, MatchResponseConvertorData data, ConvertorExecutor convertorExecutor) {
        final MatchBuilder matchBuilder = data.getMatchBuilder();
        final ProtocolMatchFieldsBuilder protocolMatchFieldsBuilder = data.getProtocolMatchFieldsBuilder();

        MplsLabel mplsLabel = source.getMplsLabel();

        if (mplsLabel != null) {
            protocolMatchFieldsBuilder.setMplsLabel(mplsLabel.getMplsLabel());
            matchBuilder.setProtocolMatchFields(protocolMatchFieldsBuilder.build());
        }

        return Optional.of(matchBuilder);
    }
}