pcep/impl/src/main/java/org/opendaylight/protocol/pcep/impl/PCEPMessageFactory.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;
   9
  10 import java.util.ArrayList;
  11 import java.util.List;
  12
  13 import org.opendaylight.protocol.framework.DeserializerException;
  14 import org.opendaylight.protocol.framework.DocumentedException;
  15 import org.opendaylight.protocol.framework.ProtocolMessageFactory;
  16 import org.opendaylight.protocol.pcep.PCEPDeserializerException;
  17 import org.opendaylight.protocol.pcep.spi.RawMessage;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
  19
  20 import com.google.common.base.Preconditions;
  21
  22 /**
  23  * A PCEP message parser which also does validation.
  24  */
  25 public final class PCEPMessageFactory implements ProtocolMessageFactory<Message> {
  26         private static final RawPCEPMessageFactory rawFactory = new RawPCEPMessageFactory();
  27
  28         @Override
  29         public List<Message> parse(final byte[] bytes) throws DeserializerException, DocumentedException {
  30                 final List<Message> parsed = rawFactory.parse(bytes);
  31                 final List<Message> validated = new ArrayList<>(parsed.size());
  32
  33                 for (final Message msg : parsed) {
  34                         Preconditions.checkState(msg instanceof RawMessage);
  35                         final RawMessage raw = (RawMessage) msg;
  36
  37                         try {
  38                                 validated.addAll(PCEPMessageValidator.getValidator(raw.getMsgType()).validate(raw.getAllObjects()));
  39                         } catch (final PCEPDeserializerException e) {
  40                                 // FIXME: at validation time we may want to terminate with:
  41                                 // logger.error("Malformed message, terminating. ", e);
  42                                 // this.terminate(Reason.MALFORMED_MSG);
  43                                 throw e;
  44                         }
  45                 }
  46
  47                 return validated;
  48         }
  49
  50         @Override
  51         public byte[] put(final Message msg) {
  52                 return rawFactory.put(msg);
  53         }
  54 }