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.yangtools.yang.model.util;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.annotations.Beta;
13 import java.util.ArrayList;
14 import java.util.Collection;
15 import java.util.List;
16 import org.eclipse.jdt.annotation.NonNull;
17 import org.opendaylight.yangtools.yang.model.api.CaseSchemaNode;
18 import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
19 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
20 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
21 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
22 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
23 import org.opendaylight.yangtools.yang.model.api.InputSchemaNode;
24 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
25 import org.opendaylight.yangtools.yang.model.api.Module;
26 import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
27 import org.opendaylight.yangtools.yang.model.api.OutputSchemaNode;
28 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
29 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
32 public final class SchemaNodeUtils {
33 private SchemaNodeUtils() {
38 public static @NonNull Collection<? extends TypeDefinition<?>> getAllTypeDefinitions(
39 final DataNodeContainer parent) {
40 final List<TypeDefinition<?>> typedefs = new ArrayList<>();
41 traverse(new DataNodeAggregator() {
43 protected void addTypedefs(final Collection<? extends TypeDefinition<?>> typeDefs) {
44 typedefs.addAll(typeDefs);
46 }, requireNonNull(parent));
51 public static @NonNull Collection<? extends ContainerSchemaNode> getAllContainers(final DataNodeContainer parent) {
52 final List<ContainerSchemaNode> containers = new ArrayList<>();
53 traverse(new DataNodeAggregator() {
55 protected void addContainer(final ContainerSchemaNode containerNode) {
56 containers.add(containerNode);
58 }, requireNonNull(parent));
63 public static void traverse(final @NonNull DataNodeAggregator aggregator, final DataNodeContainer dataNode) {
64 if (dataNode == null) {
68 for (DataSchemaNode childNode : dataNode.getChildNodes()) {
69 if (childNode.isAugmenting()) {
72 aggregator.addChild(childNode);
73 if (childNode instanceof ContainerSchemaNode) {
74 final ContainerSchemaNode containerNode = (ContainerSchemaNode) childNode;
75 aggregator.addContainer(containerNode);
76 traverse(aggregator, containerNode);
77 } else if (childNode instanceof ListSchemaNode) {
78 final ListSchemaNode list = (ListSchemaNode) childNode;
79 aggregator.addList(list);
80 traverse(aggregator, list);
81 } else if (childNode instanceof ChoiceSchemaNode) {
82 final ChoiceSchemaNode choiceNode = (ChoiceSchemaNode) childNode;
83 aggregator.addChoice(choiceNode);
84 for (final CaseSchemaNode caseNode : choiceNode.getCases()) {
85 traverse(aggregator, caseNode);
90 aggregator.addTypedefs(dataNode.getTypeDefinitions());
92 traverseModule(aggregator, dataNode);
93 traverseGroupings(aggregator, dataNode);
96 private static void traverseModule(final DataNodeAggregator aggregator, final DataNodeContainer dataNode) {
98 if (dataNode instanceof Module) {
99 module = (Module) dataNode;
104 for (NotificationDefinition notificationDefinition : module.getNotifications()) {
105 traverse(aggregator, notificationDefinition);
108 for (RpcDefinition rpcDefinition : module.getRpcs()) {
109 aggregator.addTypedefs(rpcDefinition.getTypeDefinitions());
110 InputSchemaNode input = rpcDefinition.getInput();
112 traverse(aggregator, input);
114 OutputSchemaNode output = rpcDefinition.getOutput();
115 if (output != null) {
116 traverse(aggregator, output);
121 private static void traverseGroupings(final DataNodeAggregator aggregator, final DataNodeContainer dataNode) {
122 for (GroupingDefinition grouping : dataNode.getGroupings()) {
123 aggregator.addGrouping(grouping);
124 traverse(aggregator, grouping);