Promote MessageRegistry to pcep-api
[bgpcep.git] / pcep / base-parser / src / main / java / org / opendaylight / protocol / pcep / parser / message / PCEPKeepAliveMessageParser.java
1 /*
2  * Copyright (c) 2013 Cisco Systems, Inc. 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 package org.opendaylight.protocol.pcep.parser.message;
9
10 import static com.google.common.base.Preconditions.checkArgument;
11
12 import io.netty.buffer.ByteBuf;
13 import io.netty.buffer.Unpooled;
14 import java.util.List;
15 import java.util.Queue;
16 import org.opendaylight.protocol.pcep.PCEPDeserializerException;
17 import org.opendaylight.protocol.pcep.spi.AbstractMessageParser;
18 import org.opendaylight.protocol.pcep.spi.MessageUtil;
19 import org.opendaylight.protocol.pcep.spi.ObjectRegistry;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.KeepaliveBuilder;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.KeepaliveMessage;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Message;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Object;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.keepalive.message.KeepaliveMessageBuilder;
25
26 /**
27  * Parser for {@link KeepaliveMessage}.
28  */
29 public class PCEPKeepAliveMessageParser extends AbstractMessageParser {
30     private static final KeepaliveMessage MESSAGE = new KeepaliveBuilder()
31             .setKeepaliveMessage(new KeepaliveMessageBuilder().build()).build();
32     public static final int TYPE = 2;
33
34     public PCEPKeepAliveMessageParser(final ObjectRegistry registry) {
35         super(registry);
36     }
37
38     @Override
39     public void serializeMessage(final Message message, final ByteBuf out) {
40         checkArgument(message instanceof KeepaliveMessage,
41                 "Wrong instance of Message. Passed instance of %s. Need KeepaliveMessage.", message.getClass());
42         MessageUtil.formatMessage(TYPE, Unpooled.EMPTY_BUFFER, out);
43     }
44
45     @Override
46     protected KeepaliveMessage validate(final Queue<Object> objects, final List<Message> errors)
47             throws PCEPDeserializerException {
48         if (objects != null && !objects.isEmpty()) {
49             throw new PCEPDeserializerException("Keepalive message should not contain any objects.");
50         }
51         return MESSAGE;
52     }
53 }