pcep/impl/src/main/java/org/opendaylight/protocol/pcep/impl/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.impl.message;
   9
  10 import io.netty.buffer.ByteBuf;
  11 import io.netty.buffer.Unpooled;
  12
  13 import java.util.List;
  14
  15 import org.opendaylight.protocol.pcep.spi.AbstractMessageParser;
  16 import org.opendaylight.protocol.pcep.spi.MessageUtil;
  17 import org.opendaylight.protocol.pcep.spi.ObjectRegistry;
  18 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.KeepaliveBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.KeepaliveMessage;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.keepalive.message.KeepaliveMessageBuilder;
  24
  25 /**
  26  * Parser for {@link KeepaliveMessage}
  27  */
  28 public class PCEPKeepAliveMessageParser extends AbstractMessageParser {
  29         private static final KeepaliveMessage MESSAGE = new KeepaliveBuilder().setKeepaliveMessage(new KeepaliveMessageBuilder().build()).build();
  30         public static final int TYPE = 2;
  31
  32         public PCEPKeepAliveMessageParser(final ObjectRegistry registry) {
  33                 super(registry);
  34         }
  35
  36         @Override
  37         public void serializeMessage(final Message message, final ByteBuf out) {
  38                 if (!(message instanceof KeepaliveMessage)) {
  39                         throw new IllegalArgumentException("Wrong instance of Message. Passed instance of " + message.getClass()
  40                                         + ". Need KeepaliveMessage.");
  41                 }
  42                 MessageUtil.formatMessage(TYPE, Unpooled.EMPTY_BUFFER, out);
  43         }
  44
  45         @Override
  46         public int getMessageType() {
  47                 return TYPE;
  48         }
  49
  50         @Override
  51         protected KeepaliveMessage validate(final List<Object> objects, final List<Message> errors) throws PCEPDeserializerException {
  52                 if (objects != null && !objects.isEmpty()) {
  53                         throw new PCEPDeserializerException("Keepalive message should not contain any objects.");
  54                 }
  55                 return MESSAGE;
  56         }
  57 }