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.data.codec.gson;
10 import static com.google.common.base.Preconditions.checkArgument;
11 import static java.util.Objects.requireNonNull;
13 import com.google.gson.stream.JsonWriter;
14 import java.io.IOException;
15 import org.eclipse.jdt.annotation.NonNull;
16 import org.opendaylight.yangtools.yang.common.QName;
17 import org.opendaylight.yangtools.yang.common.QNameModule;
18 import org.opendaylight.yangtools.yang.common.XMLNamespace;
19 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
20 import org.opendaylight.yangtools.yang.data.util.AbstractModuleStringInstanceIdentifierCodec;
21 import org.opendaylight.yangtools.yang.data.util.DataSchemaContextTree;
22 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
23 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
24 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
25 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
26 import org.opendaylight.yangtools.yang.model.api.Module;
27 import org.opendaylight.yangtools.yang.model.util.LeafrefResolver;
29 abstract sealed class JSONInstanceIdentifierCodec extends AbstractModuleStringInstanceIdentifierCodec
30 implements JSONCodec<YangInstanceIdentifier> {
31 static final class Lhotka02 extends JSONInstanceIdentifierCodec {
32 Lhotka02(final EffectiveModelContext context, final JSONCodecFactory jsonCodecFactory) {
33 super(context, jsonCodecFactory);
37 static final class RFC7951 extends JSONInstanceIdentifierCodec {
38 RFC7951(final EffectiveModelContext context, final JSONCodecFactory jsonCodecFactory) {
39 super(context, jsonCodecFactory);
43 protected StringBuilder appendQName(final StringBuilder sb, final QName qname, final QNameModule lastModule) {
44 return qname.getModule().equals(lastModule) ? sb.append(qname.getLocalName())
45 : super.appendQName(sb, qname, lastModule);
49 protected QName createQName(final QNameModule lastModule, final String localName) {
50 checkArgument(lastModule != null, "Unprefixed leading name %s", localName);
51 return QName.create(lastModule, localName);
55 private final @NonNull DataSchemaContextTree dataContextTree;
56 private final JSONCodecFactory codecFactory;
57 private final EffectiveModelContext context;
59 JSONInstanceIdentifierCodec(final EffectiveModelContext context, final JSONCodecFactory jsonCodecFactory) {
60 this.context = requireNonNull(context);
61 dataContextTree = DataSchemaContextTree.from(context);
62 codecFactory = requireNonNull(jsonCodecFactory);
66 protected final Module moduleForPrefix(final String prefix) {
67 final var modules = context.findModules(prefix).iterator();
68 return modules.hasNext() ? modules.next() : null;
72 protected final String prefixForNamespace(final XMLNamespace namespace) {
73 final var modules = context.findModules(namespace).iterator();
74 return modules.hasNext() ? modules.next().getName() : null;
78 protected final DataSchemaContextTree getDataContextTree() {
79 return dataContextTree;
83 protected final Object deserializeKeyValue(final DataSchemaNode schemaNode, final LeafrefResolver resolver,
85 requireNonNull(schemaNode, "schemaNode cannot be null");
86 if (schemaNode instanceof LeafSchemaNode leafSchemaNode) {
87 return codecFactory.codecFor(leafSchemaNode, resolver).parseValue(null, value);
88 } else if (schemaNode instanceof LeafListSchemaNode leafListSchemaNode) {
89 return codecFactory.codecFor(leafListSchemaNode, resolver).parseValue(null, value);
91 throw new IllegalArgumentException("schemaNode " + schemaNode
92 + " must be of type LeafSchemaNode or LeafListSchemaNode");
96 public final Class<YangInstanceIdentifier> getDataType() {
97 return YangInstanceIdentifier.class;
101 public final YangInstanceIdentifier parseValue(final Object ctx, final String str) {
102 return deserialize(str);
106 public final void writeValue(final JsonWriter ctx, final YangInstanceIdentifier value) throws IOException {
107 ctx.value(serialize(value));