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 com.google.common.base.Preconditions;
  11
  12 import io.netty.buffer.ByteBuf;
  13 import io.netty.buffer.Unpooled;
  14
  15 import java.util.List;
  16
  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.protocol.pcep.spi.PCEPDeserializerException;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.KeepaliveBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.KeepaliveMessage;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Message;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Object;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.keepalive.message.KeepaliveMessageBuilder;
  26
  27 /**
  28  * Parser for {@link KeepaliveMessage}.
  29  */
  30 public class PCEPKeepAliveMessageParser extends AbstractMessageParser {
  31     private static final KeepaliveMessage MESSAGE = new KeepaliveBuilder()
  32             .setKeepaliveMessage(new KeepaliveMessageBuilder().build()).build();
  33     public static final int TYPE = 2;
  34
  35     public PCEPKeepAliveMessageParser(final ObjectRegistry registry) {
  36         super(registry);
  37     }
  38
  39     @Override
  40     public void serializeMessage(final Message message, final ByteBuf out) {
  41         Preconditions.checkArgument(message instanceof KeepaliveMessage,
  42                 "Wrong instance of Message. Passed instance of %s. Need KeepaliveMessage.", message.getClass());
  43         MessageUtil.formatMessage(TYPE, Unpooled.EMPTY_BUFFER, out);
  44     }
  45
  46     @Override
  47     protected KeepaliveMessage validate(final List<Object> objects, final List<Message> errors)
  48             throws PCEPDeserializerException {
  49         if (objects != null && !objects.isEmpty()) {
  50             throw new PCEPDeserializerException("Keepalive message should not contain any objects.");
  51         }
  52         return MESSAGE;
  53     }
  54 }