Remove Objects.{is,non}Null abuse
[openflowplugin.git] / openflowplugin-impl / src / main / java / org / opendaylight / openflowplugin / impl / protocol / deserialization / match / IpProtoEntryDeserializer.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 org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
13 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.IpMatchBuilder;
14
15 public class IpProtoEntryDeserializer extends AbstractMatchEntryDeserializer {
16
17     @Override
18     public void deserializeEntry(ByteBuf message, MatchBuilder builder) {
19         processHeader(message);
20         final short proto = message.readUnsignedByte();
21
22         if (builder.getIpMatch() == null) {
23             builder.setIpMatch(new IpMatchBuilder()
24                     .setIpProtocol(proto)
25                     .build());
26         } else if (builder.getIpMatch().getIpProtocol() == null) {
27             builder.setIpMatch(new IpMatchBuilder(builder.getIpMatch())
28                     .setIpProtocol(proto)
29                     .build());
30         } else {
31             throwErrorOnMalformed(builder, "ipMatch", "ipProtocol");
32         }
33     }
34
35 }