Clean up instance checks and casts
[openflowplugin.git] / openflowplugin-impl / src / main / java / org / opendaylight / openflowplugin / impl / protocol / deserialization / match / ArpTargetHardwareAddressEntryDeserializer.java
1 /*
2  * Copyright (c) 2016 Pantheon Technologies s.r.o. and others.  All rights reserved.
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6  * and is available at http://www.eclipse.org/legal/epl-v10.html
7  */
8
9 package org.opendaylight.openflowplugin.impl.protocol.deserialization.match;
10
11 import io.netty.buffer.ByteBuf;
12 import java.util.Objects;
13 import org.opendaylight.openflowjava.protocol.impl.deserialization.match.OxmDeserializerHelper;
14 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.arp.match.fields.ArpTargetHardwareAddressBuilder;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Layer3Match;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.ArpMatch;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.ArpMatchBuilder;
19
20 public class ArpTargetHardwareAddressEntryDeserializer extends AbstractMatchEntryDeserializer {
21
22     @Override
23     public void deserializeEntry(ByteBuf message, MatchBuilder builder) {
24         final boolean hasMask = processHeader(message);
25         final Layer3Match layer3Match = builder.getLayer3Match();
26         final ArpTargetHardwareAddressBuilder arpBuilder = new ArpTargetHardwareAddressBuilder()
27                 .setAddress(OxmDeserializerHelper.convertMacAddress(message));
28
29         if (hasMask) {
30             arpBuilder.setMask(OxmDeserializerHelper.convertMacAddress(message));
31         }
32
33         if (Objects.isNull(layer3Match)) {
34             builder.setLayer3Match(new ArpMatchBuilder()
35                     .setArpTargetHardwareAddress(arpBuilder.build())
36                     .build());
37         } else if (layer3Match instanceof ArpMatch
38             && Objects.isNull(((ArpMatch) layer3Match).getArpTargetHardwareAddress())) {
39             builder.setLayer3Match(new ArpMatchBuilder((ArpMatch) layer3Match)
40                     .setArpTargetHardwareAddress(arpBuilder.build())
41                     .build());
42         } else {
43             throwErrorOnMalformed(builder, "layer3Match", "arpTargetHardwareAddress");
44         }
45     }
46
47 }