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 io.netty.buffer.ByteBuf;
13 import java.util.HashMap;
16 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
17 import org.opendaylight.openflowjava.protocol.api.extensibility.MessageCodeKey;
18 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
19 import org.opendaylight.openflowjava.protocol.impl.util.EncodeConstants;
20 import org.opendaylight.yangtools.yang.binding.DataObject;
23 * @author michal.polkorab
24 * @author timotej.kubas
26 public class DeserializationFactory {
28 private DeserializerRegistry registry;
29 private Map<TypeToClassKey, Class<?>> messageClassMap;
34 public DeserializationFactory() {
35 messageClassMap = new HashMap<>();
36 TypeToClassMapInitializer.initializeTypeToClassMap(messageClassMap);
40 * Transforms ByteBuf into correct POJO message
42 * @param version version decoded from OpenFlow protocol message
43 * @return correct POJO as DataObject
45 public DataObject deserialize(ByteBuf rawMessage, short version) {
46 DataObject dataObject = null;
47 int type = rawMessage.readUnsignedByte();
48 Class<?> clazz = messageClassMap.get(new TypeToClassKey(version, type));
49 rawMessage.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
50 OFDeserializer<DataObject> deserializer = registry.getDeserializer(
51 new MessageCodeKey(version, type, clazz));
52 if (deserializer != null) {
53 dataObject = deserializer.deserialize(rawMessage);
61 public void setRegistry(DeserializerRegistry registry) {
62 this.registry = registry;