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 com.google.common.collect.ImmutableMap;
12 import io.netty.buffer.ByteBuf;
13 import java.util.HashMap;
15 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
16 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
17 import org.opendaylight.openflowjava.protocol.api.keys.MessageCodeKey;
18 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
19 import org.opendaylight.openflowjava.protocol.impl.util.TypeToClassKey;
20 import org.opendaylight.yangtools.yang.binding.DataObject;
23 * @author michal.polkorab
24 * @author timotej.kubas
25 * @author giuseppex.petralia@intel.com
27 public class DeserializationFactory {
29 private final Map<TypeToClassKey, Class<?>> messageClassMap;
30 private DeserializerRegistry registry;
35 public DeserializationFactory() {
36 final Map<TypeToClassKey, Class<?>> temp = new HashMap<>();
37 TypeToClassMapInitializer.initializeTypeToClassMap(temp);
39 // Register type to class map for additional deserializers
40 TypeToClassMapInitializer.initializeAdditionalTypeToClassMap(temp);
42 messageClassMap = ImmutableMap.copyOf(temp);
46 * Transforms ByteBuf into correct POJO message
50 * version decoded from OpenFlow protocol message
51 * @return correct POJO as DataObject
53 public DataObject deserialize(final ByteBuf rawMessage, final short version) {
54 DataObject dataObject = null;
55 int type = rawMessage.readUnsignedByte();
56 Class<?> clazz = messageClassMap.get(new TypeToClassKey(version, type));
57 rawMessage.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
58 OFDeserializer<DataObject> deserializer = registry.getDeserializer(new MessageCodeKey(version, type, clazz));
59 dataObject = deserializer.deserialize(rawMessage);
66 public void setRegistry(final DeserializerRegistry registry) {
67 this.registry = registry;