EthTypeConvertor.java example

Explorer
openflowplugin-master
/**
 * 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.openflowplugin.extension.vendor.nicira.convertor.match;

import com.google.common.base.Optional;
import org.opendaylight.openflowplugin.extension.api.ConvertorFromOFJava;
import org.opendaylight.openflowplugin.extension.api.ConvertorToOFJava;
import org.opendaylight.openflowplugin.extension.api.ExtensionAugment;
import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
import org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.CodecPreconditionException;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm0Class;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.of.match.eth.type.grouping.EthTypeValuesBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.EthTypeCaseValue;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.EthTypeCaseValueBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.ExtensionKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.general.extension.grouping.Extension;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketIn;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketInBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemoved;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemovedBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifUpdateFlowStats;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifUpdateFlowStatsBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStats;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStatsBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmOfEthTypeGrouping;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmOfEthTypeKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.of.eth.type.grouping.NxmOfEthType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.of.eth.type.grouping.NxmOfEthTypeBuilder;
import org.opendaylight.yangtools.yang.binding.Augmentation;

/**
 * @author msunal
 */
public class EthTypeConvertor implements ConvertorToOFJava<MatchEntry>, ConvertorFromOFJava<MatchEntry, MatchPath> {

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.opendaylight.openflowplugin.extension.api.ConvertorFromOFJava#convert
     * (org.opendaylight.yangtools.yang.binding.DataContainer,
     * org.opendaylight.openflowplugin.extension.api.path.AugmentationPath)
     */
    @Override
    public ExtensionAugment<? extends Augmentation<Extension>> convert(MatchEntry input, MatchPath path) {
        EthTypeCaseValue ethTypeCaseValue = ((EthTypeCaseValue) input.getMatchEntryValue());
        return resolveAugmentation(new NxmOfEthTypeBuilder().setValue(ethTypeCaseValue.getEthTypeValues().getValue()).build(), path,
                NxmOfEthTypeKey.class);
    }

    private static ExtensionAugment<? extends Augmentation<Extension>> resolveAugmentation(NxmOfEthType value,
                                                                                           MatchPath path, Class<? extends ExtensionKey> key) {
        switch (path) {
            case FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_MATCH:
                return new ExtensionAugment<>(NxAugMatchNotifUpdateFlowStats.class,
                        new NxAugMatchNotifUpdateFlowStatsBuilder().setNxmOfEthType(value).build(), key);
            case RPCFLOWSSTATISTICS_FLOWANDSTATISTICSMAPLIST_MATCH:
                return new ExtensionAugment<>(NxAugMatchRpcGetFlowStats.class,
                        new NxAugMatchRpcGetFlowStatsBuilder().setNxmOfEthType(value).build(), key);
            case PACKETRECEIVED_MATCH:
                return new ExtensionAugment<>(NxAugMatchNotifPacketIn.class, new NxAugMatchNotifPacketInBuilder()
                        .setNxmOfEthType(value).build(), key);
            case SWITCHFLOWREMOVED_MATCH:
                return new ExtensionAugment<>(NxAugMatchNotifSwitchFlowRemoved.class,
                        new NxAugMatchNotifSwitchFlowRemovedBuilder().setNxmOfEthType(value).build(), key);
            default:
                throw new CodecPreconditionException(path);
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.opendaylight.openflowplugin.extension.api.ConvertorToOFJava#convert
     * (org
     * .opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general
     * .rev140714.general.extension.grouping.Extension)
     */
    @Override
    public MatchEntry convert(Extension extension) {
        Optional<NxmOfEthTypeGrouping> matchGrouping = MatchUtil.ethTypeResolver.getExtension(extension);
        if (!matchGrouping.isPresent()) {
            throw new CodecPreconditionException(extension);
        }
        Integer value = matchGrouping.get().getNxmOfEthType().getValue();
        EthTypeCaseValueBuilder ethTypeCaseValueBuilder = new EthTypeCaseValueBuilder();
        ethTypeCaseValueBuilder.setEthTypeValues(new EthTypeValuesBuilder()
                .setValue(value).build());
        return MatchUtil.createDefaultMatchEntryBuilder(org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmOfEthType.class,
                Nxm0Class.class,
                ethTypeCaseValueBuilder.build()).build();

    }

}