2 * Copyright (c) 2014 Cisco Systems, Inc. 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 org.opendaylight.mdsal.binding.dom.codec.impl;
10 import static java.util.Objects.requireNonNull;
12 import java.lang.reflect.Method;
13 import java.util.List;
14 import org.eclipse.jdt.annotation.NonNull;
15 import org.opendaylight.mdsal.binding.runtime.api.ListRuntimeType;
16 import org.opendaylight.yangtools.yang.binding.DataObject;
17 import org.opendaylight.yangtools.yang.binding.NodeStep;
18 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
19 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
20 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
21 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
22 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
24 sealed class ListCodecContext<D extends DataObject> extends DataObjectCodecContext<D, ListRuntimeType>
25 permits MapCodecContext {
26 ListCodecContext(final Class<D> cls, final ListRuntimeType list, final CodecContextFactory factory) {
27 this(new ListCodecPrototype(new NodeStep<>(cls), list, factory));
30 ListCodecContext(final ListCodecPrototype prototype) {
34 ListCodecContext(final ListCodecPrototype prototype, final Method keyMethod) {
35 super(prototype, keyMethod);
39 public D deserialize(final NormalizedNode node) {
40 final var nonnull = requireNonNull(node);
41 if (nonnull instanceof MapEntryNode mapEntry) {
42 return createBindingProxy(mapEntry);
43 } else if (nonnull instanceof UnkeyedListEntryNode unkeyedEntry) {
44 return createBindingProxy(unkeyedEntry);
46 throw new IllegalArgumentException("Expecting either a MapEntryNode or an UnkeyedListEntryNode, not "
47 + node.contract().getSimpleName());
52 protected Object deserializeObject(final NormalizedNode node) {
53 if (node instanceof MapNode map) {
55 } else if (node instanceof MapEntryNode mapEntry) {
56 return createBindingProxy(mapEntry);
57 } else if (node instanceof UnkeyedListNode list) {
58 return fromUnkeyedList(list);
59 } else if (node instanceof UnkeyedListEntryNode listEntry) {
60 return createBindingProxy(listEntry);
62 throw new IllegalStateException("Unsupported data type " + node.contract().getSimpleName());
66 @NonNull Object fromMap(final MapNode map, final int size) {
67 return LazyBindingList.of(this, size, map.body());
70 private Object fromMap(final MapNode map) {
72 // This should never happen, but we do need to ensure users never see an empty Map
73 return (size = map.size()) == 0 ? null : fromMap(map, size);
76 private List<D> fromUnkeyedList(final UnkeyedListNode node) {
78 // This should never happen, but we do need to ensure users never see an empty List
79 return (size = node.size()) == 0 ? null : LazyBindingList.of(this, size, node.body());