2 * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
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
9 package org.opendaylight.openflowjava.protocol.impl.deserialization;
11 import java.util.HashMap;
14 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
15 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
16 import org.opendaylight.openflowjava.protocol.api.extensibility.MessageCodeKey;
17 import org.opendaylight.openflowjava.protocol.api.extensibility.OFGeneralDeserializer;
18 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
19 import org.opendaylight.openflowjava.protocol.impl.util.MatchDeserializer;
20 import org.opendaylight.openflowjava.protocol.impl.util.OF10MatchDeserializer;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.grouping.Match;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.v10.grouping.MatchV10;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
27 * Stores and registers deserializers
28 * @author michal.polkorab
30 public class DeserializerRegistryImpl implements DeserializerRegistry {
32 private static final Logger LOGGER = LoggerFactory.getLogger(DeserializerRegistryImpl.class);
33 private Map<MessageCodeKey, OFGeneralDeserializer> registry;
36 * Decoder table provisioning
40 registry = new HashMap<>();
41 // register message deserializers
42 MessageDerializerInitializer.registerMessageDeserializers(this);
44 // register common structure deserializers
45 registerDeserializer(new MessageCodeKey(EncodeConstants.OF10_VERSION_ID,
46 EncodeConstants.EMPTY_VALUE, MatchV10.class), new OF10MatchDeserializer());
47 registerDeserializer(new MessageCodeKey(EncodeConstants.OF13_VERSION_ID,
48 EncodeConstants.EMPTY_VALUE, Match.class), new MatchDeserializer());
50 // register match entry deserializers
51 MatchEntryDeserializerInitializer.registerMatchEntryDeserializers(this);
52 // register action deserializers
53 ActionDeserializerInitializer.registerDeserializers(this);
54 // register instruction deserializers
55 InstructionDeserializerInitializer.registerDeserializers(this);
59 @SuppressWarnings("unchecked")
60 public <DESERIALIZER_TYPE extends OFGeneralDeserializer> DESERIALIZER_TYPE getDeserializer(
62 OFGeneralDeserializer deserializer = registry.get(key);
63 if (deserializer == null) {
64 throw new IllegalStateException("Deserializer for key: " + key
65 + " was not found - please verify that all needed deserializers ale loaded correctly");
67 return (DESERIALIZER_TYPE) deserializer;
71 public void registerDeserializer(MessageCodeKey key,
72 OFGeneralDeserializer deserializer) {
73 if ((key == null) || (deserializer == null)) {
74 throw new IllegalArgumentException("MessageCodeKey or Deserializer is null");
76 OFGeneralDeserializer desInRegistry = registry.put(key, deserializer);
77 if (desInRegistry != null) {
78 LOGGER.debug("Deserializer for key " + key + " overwritten. Old deserializer: "
79 + desInRegistry.getClass().getName() + ", new deserializer: "
80 + deserializer.getClass().getName() );
82 if (deserializer instanceof DeserializerRegistryInjector) {
83 ((DeserializerRegistryInjector) deserializer).injectDeserializerRegistry(this);
88 public boolean unregisterDeserializer(MessageCodeKey key) {
90 throw new IllegalArgumentException("MessageCodeKey is null");
92 OFGeneralDeserializer deserializer = registry.remove(key);
93 if (deserializer == null) {