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;
13 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
14 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
15 import org.opendaylight.openflowjava.protocol.api.extensibility.OFGeneralDeserializer;
16 import org.opendaylight.openflowjava.protocol.api.keys.MessageCodeKey;
17 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
18 import org.opendaylight.openflowjava.protocol.impl.util.MatchDeserializer;
19 import org.opendaylight.openflowjava.protocol.impl.util.OF10MatchDeserializer;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.grouping.Match;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.v10.grouping.MatchV10;
22 import org.slf4j.Logger;
23 import org.slf4j.LoggerFactory;
26 * Stores and registers deserializers
27 * @author michal.polkorab
29 public class DeserializerRegistryImpl implements DeserializerRegistry {
31 private static final Logger LOGGER = LoggerFactory.getLogger(DeserializerRegistryImpl.class);
32 private Map<MessageCodeKey, OFGeneralDeserializer> registry;
35 * Decoder table provisioning
39 registry = new HashMap<>();
40 // register message deserializers
41 MessageDeserializerInitializer.registerMessageDeserializers(this);
43 // register common structure deserializers
44 registerDeserializer(new MessageCodeKey(EncodeConstants.OF10_VERSION_ID,
45 EncodeConstants.EMPTY_VALUE, MatchV10.class), new OF10MatchDeserializer());
46 registerDeserializer(new MessageCodeKey(EncodeConstants.OF13_VERSION_ID,
47 EncodeConstants.EMPTY_VALUE, Match.class), new MatchDeserializer());
49 // register match entry deserializers
50 MatchEntryDeserializerInitializer.registerMatchEntryDeserializers(this);
51 // register action deserializers
52 ActionDeserializerInitializer.registerDeserializers(this);
53 // register instruction deserializers
54 InstructionDeserializerInitializer.registerDeserializers(this);
58 @SuppressWarnings("unchecked")
59 public <T extends OFGeneralDeserializer> T getDeserializer(
61 OFGeneralDeserializer deserializer = registry.get(key);
62 if (deserializer == null) {
63 throw new IllegalStateException("Deserializer for key: " + key
64 + " was not found - please verify that all needed deserializers ale loaded correctly");
66 return (T) deserializer;
70 public void registerDeserializer(MessageCodeKey key,
71 OFGeneralDeserializer deserializer) {
72 if ((key == null) || (deserializer == null)) {
73 throw new IllegalArgumentException("MessageCodeKey or Deserializer is null");
75 OFGeneralDeserializer desInRegistry = registry.put(key, deserializer);
76 if (desInRegistry != null) {
77 LOGGER.debug("Deserializer for key {} overwritten. Old deserializer: {}, new deserializer: {}",
78 key, desInRegistry.getClass().getName(), deserializer.getClass().getName());
80 if (deserializer instanceof DeserializerRegistryInjector) {
81 ((DeserializerRegistryInjector) deserializer).injectDeserializerRegistry(this);
86 public boolean unregisterDeserializer(MessageCodeKey key) {
88 throw new IllegalArgumentException("MessageCodeKey is null");
90 OFGeneralDeserializer deserializer = registry.remove(key);
91 if (deserializer == null) {