pcep/impl/src/main/java/org/opendaylight/protocol/pcep/impl/message/PCEPOpenMessageValidator.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 java.util.ArrayList;
  11 import java.util.List;
  12
  13 import org.opendaylight.protocol.pcep.PCEPDeserializerException;
  14 import org.opendaylight.protocol.pcep.PCEPObject;
  15 import org.opendaylight.protocol.pcep.impl.PCEPMessageValidator;
  16 import org.opendaylight.protocol.pcep.message.PCEPOpenMessage;
  17 import org.opendaylight.protocol.pcep.object.PCEPOpenObject;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
  19
  20 /**
  21  * PCEPOpenMessage validator. Validates message integrity.
  22  */
  23 public class PCEPOpenMessageValidator extends PCEPMessageValidator {
  24
  25         @Override
  26         public List<Message> validate(final List<PCEPObject> objects) throws PCEPDeserializerException {
  27                 if (objects == null)
  28                         throw new IllegalArgumentException("Passed list can't be null.");
  29
  30                 if (objects.isEmpty() || !(objects.get(0) instanceof PCEPOpenObject))
  31                         throw new PCEPDeserializerException("Open message doesn't contain OPEN object.");
  32
  33                 final PCEPOpenMessage msg = new PCEPOpenMessage((PCEPOpenObject) objects.get(0));
  34                 objects.remove(0);
  35
  36                 if (!objects.isEmpty())
  37                         throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
  38
  39                 return new ArrayList<Message>() {
  40                         private static final long serialVersionUID = 1L;
  41                         {
  42                                 this.add(msg);
  43                         }
  44                 };
  45         }
  46 }