Java tutorial
/* * Copyright (c) 2013 Pantheon Technologies s.r.o. 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.openflowjava.protocol.impl.deserialization.match; import java.util.ArrayList; import java.util.List; import io.netty.buffer.ByteBuf; import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer; import org.opendaylight.openflowjava.protocol.impl.util.EncodeConstants; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Address; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6AddressMatchEntry; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6AddressMatchEntryBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntries; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntriesBuilder; import com.google.common.base.Joiner; /** * @author michal.polkorab * */ public abstract class AbstractOxmIpv6AddressDeserializer extends AbstractOxmMatchEntryDeserializer implements OFDeserializer<MatchEntries> { @Override public MatchEntries deserialize(ByteBuf input) { MatchEntriesBuilder builder = processHeader(getOxmClass(), getOxmField(), input); addIpv6AddressAugmentation(builder, input); if (builder.isHasMask()) { OxmMaskDeserializer.addMaskAugmentation(builder, input, EncodeConstants.SIZE_OF_IPV6_ADDRESS_IN_BYTES); } return builder.build(); } private static void addIpv6AddressAugmentation(MatchEntriesBuilder builder, ByteBuf input) { Ipv6AddressMatchEntryBuilder ipv6AddressBuilder = new Ipv6AddressMatchEntryBuilder(); List<String> groups = new ArrayList<>(); for (int i = 0; i < EncodeConstants.GROUPS_IN_IPV6_ADDRESS; i++) { groups.add(String.format("%04X", input.readUnsignedShort())); } Joiner joiner = Joiner.on(":"); ipv6AddressBuilder.setIpv6Address(new Ipv6Address(joiner.join(groups))); builder.addAugmentation(Ipv6AddressMatchEntry.class, ipv6AddressBuilder.build()); } }