2 * Copyright © 2016 AT&T 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
8 package io.fd.honeycomb.transportpce.binding.converter;
10 import com.google.common.base.Preconditions;
12 import io.fd.honeycomb.transportpce.binding.converter.api.DataObjectConverter;
15 import java.util.Map.Entry;
16 import java.util.Optional;
17 import javax.annotation.Nonnull;
18 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
19 import org.opendaylight.yangtools.yang.binding.DataContainer;
20 import org.opendaylight.yangtools.yang.binding.DataObject;
21 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
22 import org.opendaylight.yangtools.yang.binding.Notification;
23 import org.opendaylight.yangtools.yang.common.QName;
24 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
25 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
26 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
27 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
28 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
29 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
34 * Converts XML and {@link DataObject} vice versa.
37 public abstract class AbstractDataObjectConverter implements DataObjectConverter {
39 private static final Logger LOG = LoggerFactory.getLogger(AbstractDataObjectConverter.class);
41 private final SchemaContext schemaContext;
42 private final BindingNormalizedNodeSerializer codecRegistry;
45 * This is the default constructor, which should be used.
47 * @param schemaContext schema context for converter
48 * @param codecRegistry codec registry used for converting
51 protected AbstractDataObjectConverter(SchemaContext schemaContext, BindingNormalizedNodeSerializer codecRegistry) {
52 this.schemaContext = schemaContext;
53 this.codecRegistry = codecRegistry;
56 public SchemaContext getSchemaContext() {
60 public BindingNormalizedNodeSerializer getCodecRegistry() {
65 * Transforms the given input {@link NormalizedNode} into the given
68 * @param normalizedNode normalized node you want to convert
69 * @param rootNode {@link QName} of converted normalized node root
72 * The input object should be {@link ContainerNode}
76 @SuppressWarnings("unchecked")
77 public <T extends DataObject> Optional<T> getDataObject(
78 @Nonnull NormalizedNode<?, ?> normalizedNode,
79 @Nonnull QName rootNode) {
80 Preconditions.checkNotNull(normalizedNode);
81 if (normalizedNode instanceof ContainerNode) {
82 YangInstanceIdentifier.PathArgument directChildIdentifier =
83 YangInstanceIdentifier.of(rootNode).getLastPathArgument();
84 Optional<NormalizedNode<?, ?>> directChild =
85 NormalizedNodes.getDirectChild(normalizedNode, directChildIdentifier).toJavaUtil();
86 if (!directChild.isPresent()) {
87 throw new IllegalStateException(String.format("Could not get the direct child of %s", rootNode));
89 normalizedNode = directChild.get();
91 YangInstanceIdentifier rootNodeYangInstanceIdentifier = YangInstanceIdentifier.of(rootNode);
93 Map.Entry<?, ?> bindingNodeEntry =
94 codecRegistry.fromNormalizedNode(rootNodeYangInstanceIdentifier, normalizedNode);
95 if (bindingNodeEntry == null) {
96 return Optional.empty();
98 return Optional.ofNullable((T) bindingNodeEntry.getValue());
102 @SuppressWarnings("unchecked")
103 public <T extends DataObject> Optional<T> getDataObjectFromRpc(
104 @Nonnull NormalizedNode<?, ?> normalizedNode,
105 @Nonnull SchemaPath rpcSchemaPath) {
107 if (! (normalizedNode instanceof ContainerNode)) {
108 LOG.error("converting normalized node is not ContainerNode. It's actual type is {}",
109 normalizedNode.getClass().getSimpleName());
110 return Optional.empty();
112 T rpcDataObject = (T) codecRegistry.fromNormalizedNodeRpcData(rpcSchemaPath, (ContainerNode) normalizedNode);
113 return Optional.ofNullable(rpcDataObject);
117 public <T extends DataObject> Optional<NormalizedNode<?, ?>> toNormalizedNodes(@Nonnull T object,
118 Class<T> dataObjectClass) {
119 Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalizedNode =
120 codecRegistry.toNormalizedNode(InstanceIdentifier.create(dataObjectClass), object);
121 return Optional.ofNullable(normalizedNode.getValue());
125 public <T extends DataObject> ConvertType<T> dataContainer() {
126 return (object, objectClass) -> {
127 NormalizedNode<?, ?> value =
128 getCodecRegistry().toNormalizedNode(InstanceIdentifier.create(objectClass), object).getValue();
129 return Optional.ofNullable(value);
134 public <T extends DataContainer> ConvertType<T> rpcData() {
135 return (object, objectClass) -> {
136 ContainerNode normalizedNodeRpcData = getCodecRegistry().toNormalizedNodeRpcData(object);
137 return Optional.ofNullable(normalizedNodeRpcData);
142 public <T extends Notification> ConvertType<T> notification() {
143 return (object, objectClass) -> {
144 ContainerNode normalizedNodeNotification = getCodecRegistry().toNormalizedNodeNotification(object);
145 return Optional.ofNullable(normalizedNodeNotification);