2 * Copyright (c) 2013 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.yangtools.yang.data.impl.schema.transform.base.parser;
10 import java.util.Collections;
12 import org.opendaylight.yangtools.yang.common.QName;
13 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
14 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
15 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
16 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeBuilder;
17 import org.opendaylight.yangtools.yang.data.impl.schema.transform.ToNormalizedNodeParser;
18 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
21 * Abstract(base) parser for ListNodes (MapNode, UnkeyedListNode), parses elements of type E.
24 * type of elements to be parsed
26 public abstract class ListNodeBaseParser<E, N extends NormalizedNode<?, ?>, O extends NormalizedNode<YangInstanceIdentifier.NodeIdentifier, ?>, S extends ListSchemaNode>
27 implements ExtensibleParser<YangInstanceIdentifier.NodeIdentifier, E, O, S> {
29 private final BuildingStrategy<YangInstanceIdentifier.NodeIdentifier, O> buildingStrategy;
31 public ListNodeBaseParser() {
32 buildingStrategy = new SimpleListNodeBuildingStrategy<>();
35 public ListNodeBaseParser(final BuildingStrategy<YangInstanceIdentifier.NodeIdentifier, O> buildingStrategy) {
36 this.buildingStrategy = buildingStrategy;
40 public O parse(Iterable<E> childNodes, S schema) {
41 CollectionNodeBuilder<N, O> listBuilder = provideBuilder(schema);
43 buildingStrategy.prepareAttributes(Collections.emptyMap(), listBuilder);
45 for (E childNode : childNodes) {
46 N listChild = getListEntryNodeParser().parse(Collections.singletonList(childNode), schema);
47 if (listChild != null) {
48 listBuilder.withChild(listChild);
52 return buildingStrategy.build(listBuilder);
57 * @return parser for inner ListEntryNodes used to parse every entry of ListNode, might be the same instance in case
60 protected abstract ToNormalizedNodeParser<E, N, S> getListEntryNodeParser();
64 * @param schema schema for list node
65 * @return prepares builder which will contain entries of list according to concrete list type
67 protected abstract CollectionNodeBuilder<N, O> provideBuilder(S schema);
70 public BuildingStrategy<YangInstanceIdentifier.NodeIdentifier, O> getBuildingStrategy() {
71 return buildingStrategy;
74 public static class SimpleListNodeBuildingStrategy<O extends NormalizedNode<YangInstanceIdentifier.NodeIdentifier, ?>> implements BuildingStrategy<YangInstanceIdentifier.NodeIdentifier, O> {
76 public O build(final NormalizedNodeBuilder<YangInstanceIdentifier.NodeIdentifier, ?, O> builder) {
77 return builder.build();
81 public void prepareAttributes(final Map<QName, String> attributes, final NormalizedNodeBuilder<YangInstanceIdentifier.NodeIdentifier, ?, O> containerBuilder) {